diff mbox series

[FFmpeg-devel,4/4] avformat/wavdec: dynamically set max_size by default

Message ID 20240226004525.4321-4-cus@passwd.hu
State Accepted
Commit 3a09c2122d1f77c3e14c43855b21ef1da9f7fa27
Headers show
Series [FFmpeg-devel,1/4] fate: never generate auto-generated references | expand

Checks

Context Check Description
yinshiyou/make_loongarch64 success Make finished
yinshiyou/make_fate_loongarch64 success Make fate finished
andriy/make_x86 success Make finished
andriy/make_fate_x86 success Make fate finished

Commit Message

Marton Balint Feb. 26, 2024, 12:45 a.m. UTC
The wav demuxer by default tried to demux 4096-byte packets which caused
packets with very few number of samples for files with high channel count.
This caused a significant overhead especially since the latest ffmpeg.c
threading changes.

So let's use a similar approach for selecting audio frame size which is already
used in the PCM demuxer, which is to read 25 times per second but at most 1024
samples.

Signed-off-by: Marton Balint <cus@passwd.hu>
---
 doc/demuxers.texi                          |  23 ++
 libavformat/wavdec.c                       |  19 +-
 tests/ref/fate/dcinema-encode              |  40 +--
 tests/ref/fate/filter-amerge               | 387 ++++++++++++++-------
 tests/ref/fate/filter-chorus               |  20 +-
 tests/ref/fate/filter-pan-downmix1         |  40 +--
 tests/ref/fate/filter-pan-downmix2         |  40 +--
 tests/ref/fate/filter-pan-stereo1          |  40 +--
 tests/ref/fate/filter-pan-stereo2          |  40 +--
 tests/ref/fate/filter-pan-upmix2           |  40 +--
 tests/ref/fate/g722-encode                 |  87 ++++-
 tests/ref/fate/g726-encode-2bit            |  41 ++-
 tests/ref/fate/g726-encode-3bit            |  24 +-
 tests/ref/fate/g726-encode-4bit            |  81 ++++-
 tests/ref/fate/g726-encode-5bit            |  27 +-
 tests/ref/fate/matroska-move-cues-to-front | 100 +++---
 tests/ref/fate/mov-channel-description     |   4 +-
 tests/ref/fate/mov-mp4-pcm                 |   4 +-
 tests/ref/fate/mov-mp4-pcm-float           |   2 +-
 tests/ref/seek/acodec-pcm-alaw             |  54 +--
 tests/ref/seek/acodec-pcm-f32le            |  54 +--
 tests/ref/seek/acodec-pcm-f64le            |  54 +--
 tests/ref/seek/acodec-pcm-mulaw            |  54 +--
 tests/ref/seek/acodec-pcm-s24le            |  54 +--
 tests/ref/seek/acodec-pcm-s32le            |  54 +--
 tests/ref/seek/acodec-pcm-u8               |  54 +--
 tests/ref/seek/lavf-wav                    |  30 +-
 27 files changed, 904 insertions(+), 563 deletions(-)

Comments

Andreas Rheinhardt Feb. 28, 2024, 11:12 p.m. UTC | #1
Marton Balint:
> The wav demuxer by default tried to demux 4096-byte packets which caused
> packets with very few number of samples for files with high channel count.
> This caused a significant overhead especially since the latest ffmpeg.c
> threading changes.
> 
> So let's use a similar approach for selecting audio frame size which is already
> used in the PCM demuxer, which is to read 25 times per second but at most 1024
> samples.

1024 samples seems to be quite small, in particular for files with few
channels (like stereo).

- Andreas
Marton Balint Feb. 29, 2024, 12:18 a.m. UTC | #2
On Thu, 29 Feb 2024, Andreas Rheinhardt wrote:

> Marton Balint:
>> The wav demuxer by default tried to demux 4096-byte packets which caused
>> packets with very few number of samples for files with high channel count.
>> This caused a significant overhead especially since the latest ffmpeg.c
>> threading changes.
>>
>> So let's use a similar approach for selecting audio frame size which is already
>> used in the PCM demuxer, which is to read 25 times per second but at most 1024
>> samples.
>
> 1024 samples seems to be quite small, in particular for files with few
> channels (like stereo).

1024 is kind of a historical default. Also having multiples of 1024 is 
beneficial for some codecs which encode this many samples per frame.

In any case, I am not against somewhat increasing this, but it should be 
done for both PCM and WAV, it can be a separate patch and discussion.

Regards,
Marton
Marton Balint March 1, 2024, 10:30 p.m. UTC | #3
On Thu, 29 Feb 2024, Marton Balint wrote:

>
>
> On Thu, 29 Feb 2024, Andreas Rheinhardt wrote:
>
>>  Marton Balint:
>>>  The wav demuxer by default tried to demux 4096-byte packets which caused
>>>  packets with very few number of samples for files with high channel
>>>  count.
>>>  This caused a significant overhead especially since the latest ffmpeg.c
>>>  threading changes.
>>>
>>>  So let's use a similar approach for selecting audio frame size which is
>>>  already
>>>  used in the PCM demuxer, which is to read 25 times per second but at most
>>>  1024
>>>  samples.
>>
>>  1024 samples seems to be quite small, in particular for files with few
>>  channels (like stereo).
>
> 1024 is kind of a historical default. Also having multiples of 1024 is 
> beneficial for some codecs which encode this many samples per frame.
>
> In any case, I am not against somewhat increasing this, but it should be done 
> for both PCM and WAV, it can be a separate patch and discussion.

I will apply this set soon unless there are other comments. Will send a 
patch after that to increase the default sample amount for wav and pcm.

Regards,
Marton
diff mbox series

Patch

diff --git a/doc/demuxers.texi b/doc/demuxers.texi
index e4c5b560a6..d194294829 100644
--- a/doc/demuxers.texi
+++ b/doc/demuxers.texi
@@ -943,4 +943,27 @@  which in turn, acts as a ceiling for the size of scripts that can be read.
 Default is 1 MiB.
 @end table
 
+@section w64
+
+Sony Wave64 Audio demuxer.
+
+This demuxer accepts the following options:
+@table @option
+@item max_size
+See the same option for the @ref{wav} demuxer.
+@end table
+
+@anchor{wav}
+@section wav
+
+RIFF Wave Audio demuxer.
+
+This demuxer accepts the following options:
+@table @option
+@item max_size
+Specify the maximum packet size in bytes for the demuxed packets. By default
+this is set to 0, which means that a sensible value is chosen based on the
+input format.
+@end table
+
 @c man end DEMUXERS
diff --git a/libavformat/wavdec.c b/libavformat/wavdec.c
index 0c6629b157..5ceb8bef23 100644
--- a/libavformat/wavdec.c
+++ b/libavformat/wavdec.c
@@ -73,10 +73,25 @@  static const AVOption demux_options[] = {
 #if CONFIG_WAV_DEMUXER
     { "ignore_length", "Ignore length", OFFSET(ignore_length), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, DEC },
 #endif
-    { "max_size",      "max size of single packet", OFFSET(max_size), AV_OPT_TYPE_INT, { .i64 = 4096 }, 1024, 1 << 22, DEC },
+    { "max_size",      "max size of single packet", OFFSET(max_size), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1 << 22, DEC },
     { NULL },
 };
 
+static void set_max_size(AVStream *st, WAVDemuxContext *wav)
+{
+    if (wav->max_size <= 0) {
+        int64_t nb_samples = av_clip(st->codecpar->sample_rate / 25, 1, 1024);
+        if (st->codecpar->block_align > 0 &&
+            st->codecpar->block_align * nb_samples < INT_MAX &&
+            st->codecpar->ch_layout.nb_channels > 0 &&
+            st->codecpar->block_align <= 8LL * st->codecpar->ch_layout.nb_channels) {
+            wav->max_size = st->codecpar->block_align * nb_samples;
+        } else {
+            wav->max_size = 4096;
+        }
+    }
+}
+
 static void set_spdif(AVFormatContext *s, WAVDemuxContext *wav)
 {
     if (CONFIG_SPDIF_DEMUXER && s->streams[0]->codecpar->codec_tag == 1) {
@@ -669,6 +684,7 @@  break_loop:
     ff_metadata_conv_ctx(s, NULL, ff_riff_info_conv);
 
     set_spdif(s, wav);
+    set_max_size(st, wav);
 
     return 0;
 }
@@ -981,6 +997,7 @@  static int w64_read_header(AVFormatContext *s)
     avio_seek(pb, data_ofs, SEEK_SET);
 
     set_spdif(s, wav);
+    set_max_size(st, wav);
 
     return 0;
 }
diff --git a/tests/ref/fate/dcinema-encode b/tests/ref/fate/dcinema-encode
index fabbc034f0..566d8f5091 100644
--- a/tests/ref/fate/dcinema-encode
+++ b/tests/ref/fate/dcinema-encode
@@ -7,23 +7,23 @@ 
 #sample_rate 0: 96000
 #channel_layout_name 0: 5.1(side)
 #stream#, dts,        pts, duration,     size, hash
-0,          0,          0,      341,     4092, 697cddfcd0e21f24782af0705b7048f3
-0,        341,        341,      341,     4092, a057b18cd493923fed33c18578f61e0b
-0,        682,        682,      341,     4092, f4eacfd888566040067b8e5ce7d276c6
-0,       1023,       1023,      341,     4092, 4de78d332ce2047014880a110c160dc2
-0,       1364,       1364,      341,     4092, 138ee3fc206538feca6de3d6d62d08eb
-0,       1705,       1705,      341,     4092, 187a2f2998aa1c0ba0130c57dd1d6c86
-0,       2046,       2046,      341,     4092, 54e6c3db8a5f8c09b47f025659a36b17
-0,       2387,       2387,      341,     4092, 8abfdf44a24c158429c71e01cee31e20
-0,       2728,       2728,      341,     4092, bd08f5018edc5dc4520739e913ed89a3
-0,       3069,       3069,      341,     4092, 9f60ba4275646344e4a9b3c647efffe9
-0,       3410,       3410,      341,     4092, 00cefc1f27230cdd06ecd43132e16327
-0,       3751,       3751,      341,     4092, d4d13047cd639ed722a4ae1bc1f06991
-0,       4092,       4092,      341,     4092, 16b227e4f968c11cba279506f00d5172
-0,       4433,       4433,      341,     4092, 70f4046f709fdd4d80e2f2ffc862f21a
-0,       4774,       4774,      341,     4092, adbef4b4ef728f0c2a31b4b0baba50a0
-0,       5115,       5115,      341,     4092, fe009b6cc96b9d1098dcc5fba0e6b3fa
-0,       5456,       5456,      341,     4092, 4462b2f1654c9b31fdd7ab04ffb84192
-0,       5797,       5797,      341,     4092, 2e96ba3bd13de03f9cfdc2b8c3ea0620
-0,       6138,       6138,      341,     4092, 395c920f10cce6670029a98095eba027
-0,       6479,       6479,      341,     4092, 28d4c2f6364f31cb61f4aa144badc734
+0,          0,          0,     1024,    12288, 848250bf0a20e324f60151629134ebd5
+0,       1024,       1024,     1024,    12288, cd3c42240d163a7e8835aeda9538f881
+0,       2048,       2048,     1024,    12288, f213a268e7ab62b53a4a4acb9b303dfb
+0,       3072,       3072,     1024,    12288, 14d4f3289b057394abc995bfea58912a
+0,       4096,       4096,     1024,    12288, a69453c3f0c23abfacb49b15aedc432a
+0,       5120,       5120,     1024,    12288, 6578b4a89b1fa4c8897b1376974b685d
+0,       6144,       6144,     1024,    12288, 4893b62addf1bea4c03c173f173aa082
+0,       7168,       7168,     1024,    12288, 992b70ea94c339dfda2d3514ac56c4a9
+0,       8192,       8192,     1024,    12288, 543f85139b77d30f8a46fd22d63e3ec7
+0,       9216,       9216,     1024,    12288, f52f825a2fe71f66786d5cd08487e271
+0,      10240,      10240,     1024,    12288, 50ac352cd73a803f52bfd393e610f83b
+0,      11264,      11264,     1024,    12288, e9475a9a8794b9b0b912b855bc05001f
+0,      12288,      12288,     1024,    12288, bf205474f44a381583b1f077ab8a9d0c
+0,      13312,      13312,     1024,    12288, f5655b1da90d808c7e05b4bda02233ca
+0,      14336,      14336,     1024,    12288, f8493bb74a270b50706cace85549c317
+0,      15360,      15360,     1024,    12288, c299fbbdcae68c97bca63210f6a1f7da
+0,      16384,      16384,     1024,    12288, 2f263932e3d4c419853e3369d70ef8d9
+0,      17408,      17408,     1024,    12288, 09862736b8a1a1ce5c8d23814fb054cd
+0,      18432,      18432,     1024,    12288, a99506638c5a3d84d3fa46ee2ba6c5ad
+0,      19456,      19456,     1024,    12288, ab6f04f68cfbf2c9a89e9641604b3a50
diff --git a/tests/ref/fate/filter-amerge b/tests/ref/fate/filter-amerge
index 89c07029fd..83befc20b6 100644
--- a/tests/ref/fate/filter-amerge
+++ b/tests/ref/fate/filter-amerge
@@ -3,133 +3,262 @@ 
 #codec_id 0: pcm_s16le
 #sample_rate 0: 44100
 #channel_layout_name 0: stereo
-0,          0,          0,     2048,     8192, 0x120efa65
-0,       2048,       2048,     2048,     8192, 0x7b3cebf7
-0,       4096,       4096,     2048,     8192, 0x0fb8ee01
-0,       6144,       6144,     2048,     8192, 0x47a9f271
-0,       8192,       8192,     2048,     8192, 0x47a8ed5b
-0,      10240,      10240,     2048,     8192, 0xdab6f33f
-0,      12288,      12288,     2048,     8192, 0xda4df7eb
-0,      14336,      14336,     2048,     8192, 0xc83ce449
-0,      16384,      16384,     2048,     8192, 0x4954e765
-0,      18432,      18432,     2048,     8192, 0x0214f5d5
-0,      20480,      20480,     2048,     8192, 0x2302f3c9
-0,      22528,      22528,     2048,     8192, 0x2b57ef5b
-0,      24576,      24576,     2048,     8192, 0xad22f075
-0,      26624,      26624,     2048,     8192, 0x9bd5ee8b
-0,      28672,      28672,     2048,     8192, 0x91a4e9e1
-0,      30720,      30720,     2048,     8192, 0x85a9fd7f
-0,      32768,      32768,     2048,     8192, 0x120efa65
-0,      34816,      34816,     2048,     8192, 0x7b3cebf7
-0,      36864,      36864,     2048,     8192, 0x0fb8ee01
-0,      38912,      38912,     2048,     8192, 0x47a9f271
-0,      40960,      40960,     2048,     8192, 0x47a8ed5b
-0,      43008,      43008,     2048,     8192, 0x76f7c64f
-0,      45056,      45056,     2048,     8192, 0xade0f6f5
-0,      47104,      47104,     2048,     8192, 0xcc1ce131
-0,      49152,      49152,     2048,     8192, 0x11aaf88b
-0,      51200,      51200,     2048,     8192, 0xcd50e409
-0,      53248,      53248,     2048,     8192, 0x7f72ee63
-0,      55296,      55296,     2048,     8192, 0xf7b4ff5d
-0,      57344,      57344,     2048,     8192, 0xd8bc4192
-0,      59392,      59392,     2048,     8192, 0xc8fb0418
-0,      61440,      61440,     2048,     8192, 0x0859cac9
-0,      63488,      63488,     2048,     8192, 0x7529f279
-0,      65536,      65536,     2048,     8192, 0x0ee0df7b
-0,      67584,      67584,     2048,     8192, 0x07edef6d
-0,      69632,      69632,     2048,     8192, 0x7d02ea45
-0,      71680,      71680,     2048,     8192, 0x770104a8
-0,      73728,      73728,     2048,     8192, 0x7124f553
-0,      75776,      75776,     2048,     8192, 0x6df6269a
-0,      77824,      77824,     2048,     8192, 0x4218002c
-0,      79872,      79872,     2048,     8192, 0x274fe03d
-0,      81920,      81920,     2048,     8192, 0xd00f5aae
-0,      83968,      83968,     2048,     8192, 0x907dfe51
-0,      86016,      86016,     2048,     8192, 0xc2c10ed2
-0,      88064,      88064,     2048,     8192, 0x293aa355
-0,      90112,      90112,     2048,     8192, 0xb84a591d
-0,      92160,      92160,     2048,     8192, 0x44f64e87
-0,      94208,      94208,     2048,     8192, 0x0f6869bd
-0,      96256,      96256,     2048,     8192, 0xb3dcc44b
-0,      98304,      98304,     2048,     8192, 0x44f85293
-0,     100352,     100352,     2048,     8192, 0x8545ad0f
-0,     102400,     102400,     2048,     8192, 0xdee2a193
-0,     104448,     104448,     2048,     8192, 0x46a96e2d
-0,     106496,     106496,     2048,     8192, 0xcebc56a1
-0,     108544,     108544,     2048,     8192, 0x5353a35b
-0,     110592,     110592,     2048,     8192, 0x74aceb33
-0,     112640,     112640,     2048,     8192, 0x34fa1488
-0,     114688,     114688,     2048,     8192, 0x711ecd6d
-0,     116736,     116736,     2048,     8192, 0x277ac8ab
-0,     118784,     118784,     2048,     8192, 0xb7b91ba8
-0,     120832,     120832,     2048,     8192, 0xcab704de
-0,     122880,     122880,     2048,     8192, 0x695ae413
-0,     124928,     124928,     2048,     8192, 0xee618d29
-0,     126976,     126976,     2048,     8192, 0xe7caf401
-0,     129024,     129024,     2048,     8192, 0xc12c230e
-0,     131072,     131072,     2048,     8192, 0x9124ec71
-0,     133120,     133120,     2048,     8192, 0xd2bad2f7
-0,     135168,     135168,     2048,     8192, 0x2fc6da33
-0,     137216,     137216,     2048,     8192, 0x66d92c28
-0,     139264,     139264,     2048,     8192, 0x3373ddfd
-0,     141312,     141312,     2048,     8192, 0x419ae325
-0,     143360,     143360,     2048,     8192, 0x6b5ad233
-0,     145408,     145408,     2048,     8192, 0xb62f11a0
-0,     147456,     147456,     2048,     8192, 0x7084c5ef
-0,     149504,     149504,     2048,     8192, 0x42c8f8bd
-0,     151552,     151552,     2048,     8192, 0xd0e2d5a3
-0,     153600,     153600,     2048,     8192, 0xcf8f0826
-0,     155648,     155648,     2048,     8192, 0x164cc963
-0,     157696,     157696,     2048,     8192, 0xb14db49f
-0,     159744,     159744,     2048,     8192, 0x0fe50df4
-0,     161792,     161792,     2048,     8192, 0x7669207a
-0,     163840,     163840,     2048,     8192, 0x2a16f23b
-0,     165888,     165888,     2048,     8192, 0xc629f685
-0,     167936,     167936,     2048,     8192, 0x79ee0298
-0,     169984,     169984,     2048,     8192, 0xf9bdf179
-0,     172032,     172032,     2048,     8192, 0x5220d047
-0,     174080,     174080,     2048,     8192, 0x915ae8b7
-0,     176128,     176128,     2048,     8192, 0x8c26e3af
-0,     178176,     178176,     2048,     8192, 0x72e5c661
-0,     180224,     180224,     2048,     8192, 0xfca2d795
-0,     182272,     182272,     2048,     8192, 0x6367f5a9
-0,     184320,     184320,     2048,     8192, 0x32f8d0d1
-0,     186368,     186368,     2048,     8192, 0x7a08c3c7
-0,     188416,     188416,     2048,     8192, 0xe2f0fb55
-0,     190464,     190464,     2048,     8192, 0x3fd706e8
-0,     192512,     192512,     2048,     8192, 0xf5845786
-0,     194560,     194560,     2048,     8192, 0x2a8fdcbd
-0,     196608,     196608,     2048,     8192, 0xa71f03fc
-0,     198656,     198656,     2048,     8192, 0xc1210dce
-0,     200704,     200704,     2048,     8192, 0x0cd21800
-0,     202752,     202752,     2048,     8192, 0x2e8cfb47
-0,     204800,     204800,     2048,     8192, 0x2ab816ec
-0,     206848,     206848,     2048,     8192, 0xc2b40256
-0,     208896,     208896,     2048,     8192, 0xf72d0018
-0,     210944,     210944,     2048,     8192, 0xc7e01b76
-0,     212992,     212992,     2048,     8192, 0xbcf50a48
-0,     215040,     215040,     2048,     8192, 0x1101ec23
-0,     217088,     217088,     2048,     8192, 0x066a1108
-0,     219136,     219136,     2048,     8192, 0xda831e12
-0,     221184,     221184,     2048,     8192, 0x92f9e677
-0,     223232,     223232,     2048,     8192, 0x3439daf3
-0,     225280,     225280,     2048,     8192, 0xf812694a
-0,     227328,     227328,     2048,     8192, 0x3751051e
-0,     229376,     229376,     2048,     8192, 0x9f4cdddd
-0,     231424,     231424,     2048,     8192, 0xae4ad40b
-0,     233472,     233472,     2048,     8192, 0x569ec9db
-0,     235520,     235520,     2048,     8192, 0x2056e683
-0,     237568,     237568,     2048,     8192, 0x84d8caef
-0,     239616,     239616,     2048,     8192, 0x9eefdf83
-0,     241664,     241664,     2048,     8192, 0x4feee1c1
-0,     243712,     243712,     2048,     8192, 0x72e5c661
-0,     245760,     245760,     2048,     8192, 0xfca2d795
-0,     247808,     247808,     2048,     8192, 0x6367f5a9
-0,     249856,     249856,     2048,     8192, 0x32f8d0d1
-0,     251904,     251904,     2048,     8192, 0x7a08c3c7
-0,     253952,     253952,     2048,     8192, 0xe2f0fb55
-0,     256000,     256000,     2048,     8192, 0x3fd706e8
-0,     258048,     258048,     2048,     8192, 0xf5845786
-0,     260096,     260096,     2048,     8192, 0x2a8fdcbd
-0,     262144,     262144,     2048,     8192, 0xa71f03fc
+0,          0,          0,     1024,     4096, 0x29e3eecf
+0,       1024,       1024,     1024,     4096, 0x18390b96
+0,       2048,       2048,     1024,     4096, 0xc477fa99
+0,       3072,       3072,     1024,     4096, 0x3bc0f14f
+0,       4096,       4096,     1024,     4096, 0x2379ed91
+0,       5120,       5120,     1024,     4096, 0xfd6a0070
+0,       6144,       6144,     1024,     4096, 0x0b01f4cf
+0,       7168,       7168,     1024,     4096, 0x6716fd93
+0,       8192,       8192,     1024,     4096, 0x1840f25b
+0,       9216,       9216,     1024,     4096, 0x9c1ffaf1
+0,      10240,      10240,     1024,     4096, 0xcbedefaf
+0,      11264,      11264,     1024,     4096, 0x3e050390
+0,      12288,      12288,     1024,     4096, 0xb30e0090
+0,      13312,      13312,     1024,     4096, 0x26b8f75b
+0,      14336,      14336,     1024,     4096, 0xd706e311
+0,      15360,      15360,     1024,     4096, 0x0c480138
+0,      16384,      16384,     1024,     4096, 0x6c9a0216
+0,      17408,      17408,     1024,     4096, 0x7abce54f
+0,      18432,      18432,     1024,     4096, 0xda45f63f
+0,      19456,      19456,     1024,     4096, 0x50d5ff87
+0,      20480,      20480,     1024,     4096, 0x59be0352
+0,      21504,      21504,     1024,     4096, 0xa61af077
+0,      22528,      22528,     1024,     4096, 0x84c4fc07
+0,      23552,      23552,     1024,     4096, 0x4a35f345
+0,      24576,      24576,     1024,     4096, 0xbb65fa81
+0,      25600,      25600,     1024,     4096, 0xf6c7f5e5
+0,      26624,      26624,     1024,     4096, 0xd3270138
+0,      27648,      27648,     1024,     4096, 0x4782ed53
+0,      28672,      28672,     1024,     4096, 0xe308f055
+0,      29696,      29696,     1024,     4096, 0x7d33f97d
+0,      30720,      30720,     1024,     4096, 0xb8b00dd4
+0,      31744,      31744,     1024,     4096, 0x7ff7efab
+0,      32768,      32768,     1024,     4096, 0x29e3eecf
+0,      33792,      33792,     1024,     4096, 0x18390b96
+0,      34816,      34816,     1024,     4096, 0xc477fa99
+0,      35840,      35840,     1024,     4096, 0x3bc0f14f
+0,      36864,      36864,     1024,     4096, 0x2379ed91
+0,      37888,      37888,     1024,     4096, 0xfd6a0070
+0,      38912,      38912,     1024,     4096, 0x0b01f4cf
+0,      39936,      39936,     1024,     4096, 0x6716fd93
+0,      40960,      40960,     1024,     4096, 0x1840f25b
+0,      41984,      41984,     1024,     4096, 0x9c1ffaf1
+0,      43008,      43008,     1024,     4096, 0xcbedefaf
+0,      44032,      44032,     1024,     4096, 0xda37d691
+0,      45056,      45056,     1024,     4096, 0x7193ecbf
+0,      46080,      46080,     1024,     4096, 0x6e4a0a36
+0,      47104,      47104,     1024,     4096, 0x61cfe70d
+0,      48128,      48128,     1024,     4096, 0xc19ffa15
+0,      49152,      49152,     1024,     4096, 0x7b32fb3d
+0,      50176,      50176,     1024,     4096, 0xdacefd3f
+0,      51200,      51200,     1024,     4096, 0x3964f64d
+0,      52224,      52224,     1024,     4096, 0xdcf2edad
+0,      53248,      53248,     1024,     4096, 0x1367f69b
+0,      54272,      54272,     1024,     4096, 0xd4c6f7b9
+0,      55296,      55296,     1024,     4096, 0x9e041186
+0,      56320,      56320,     1024,     4096, 0xe939edd7
+0,      57344,      57344,     1024,     4096, 0xa932336a
+0,      58368,      58368,     1024,     4096, 0x5f510e28
+0,      59392,      59392,     1024,     4096, 0x4b8501c8
+0,      60416,      60416,     1024,     4096, 0xfbc30250
+0,      61440,      61440,     1024,     4096, 0x5e7fd855
+0,      62464,      62464,     1024,     4096, 0x8ef1f265
+0,      63488,      63488,     1024,     4096, 0x9f7601c2
+0,      64512,      64512,     1024,     4096, 0xb400f0b7
+0,      65536,      65536,     1024,     4096, 0x4c91e10b
+0,      66560,      66560,     1024,     4096, 0x3f41fe61
+0,      67584,      67584,     1024,     4096, 0x74fff9b9
+0,      68608,      68608,     1024,     4096, 0x18bbf5a5
+0,      69632,      69632,     1024,     4096, 0x51a70180
+0,      70656,      70656,     1024,     4096, 0x29f3e8c5
+0,      71680,      71680,     1024,     4096, 0x562efdb9
+0,      72704,      72704,     1024,     4096, 0xa2e006e0
+0,      73728,      73728,     1024,     4096, 0xa1bff541
+0,      74752,      74752,     1024,     4096, 0xd95b0012
+0,      75776,      75776,     1024,     4096, 0xd93e0912
+0,      76800,      76800,     1024,     4096, 0x6c2a1d88
+0,      77824,      77824,     1024,     4096, 0xb4d8fb8b
+0,      78848,      78848,     1024,     4096, 0xf14b0492
+0,      79872,      79872,     1024,     4096, 0x1c7be7b7
+0,      80896,      80896,     1024,     4096, 0xc181f877
+0,      81920,      81920,     1024,     4096, 0xba132d14
+0,      82944,      82944,     1024,     4096, 0xabae2d9a
+0,      83968,      83968,     1024,     4096, 0xb07fff15
+0,      84992,      84992,     1024,     4096, 0xa0c1ff2d
+0,      86016,      86016,     1024,     4096, 0x19f7fd1f
+0,      87040,      87040,     1024,     4096, 0xcb6d11a4
+0,      88064,      88064,     1024,     4096, 0x166ac8b7
+0,      89088,      89088,     1024,     4096, 0xe68dda8f
+0,      90112,      90112,     1024,     4096, 0xe457b505
+0,      91136,      91136,     1024,     4096, 0xda25a409
+0,      92160,      92160,     1024,     4096, 0x5b5d9d3b
+0,      93184,      93184,     1024,     4096, 0xa61eb13d
+0,      94208,      94208,     1024,     4096, 0xac93b66f
+0,      95232,      95232,     1024,     4096, 0xc7aeb33f
+0,      96256,      96256,     1024,     4096, 0x52cccfb5
+0,      97280,      97280,     1024,     4096, 0x4e4cf487
+0,      98304,      98304,     1024,     4096, 0x19c07f35
+0,      99328,      99328,     1024,     4096, 0x63ecd34f
+0,     100352,     100352,     1024,     4096, 0x122aec53
+0,     101376,     101376,     1024,     4096, 0x6581c0ad
+0,     102400,     102400,     1024,     4096, 0x640edb15
+0,     103424,     103424,     1024,     4096, 0x5d66c66f
+0,     104448,     104448,     1024,     4096, 0x069e9d35
+0,     105472,     105472,     1024,     4096, 0x5c9fd0e9
+0,     106496,     106496,     1024,     4096, 0x72468667
+0,     107520,     107520,     1024,     4096, 0x6e6dd02b
+0,     108544,     108544,     1024,     4096, 0x93edce33
+0,     109568,     109568,     1024,     4096, 0xcdfbd519
+0,     110592,     110592,     1024,     4096, 0x8463f2bb
+0,     111616,     111616,     1024,     4096, 0x5ca6f869
+0,     112640,     112640,     1024,     4096, 0x099a0398
+0,     113664,     113664,     1024,     4096, 0xa7fa10f0
+0,     114688,     114688,     1024,     4096, 0x28caddd3
+0,     115712,     115712,     1024,     4096, 0x4852ef8b
+0,     116736,     116736,     1024,     4096, 0x0250ee7b
+0,     117760,     117760,     1024,     4096, 0x9583da21
+0,     118784,     118784,     1024,     4096, 0x7365fb33
+0,     119808,     119808,     1024,     4096, 0x28c82066
+0,     120832,     120832,     1024,     4096, 0x94650be4
+0,     121856,     121856,     1024,     4096, 0xeb21f8eb
+0,     122880,     122880,     1024,     4096, 0xcd88f455
+0,     123904,     123904,     1024,     4096, 0x66a9efaf
+0,     124928,     124928,     1024,     4096, 0x5500c6ed
+0,     125952,     125952,     1024,     4096, 0x0ee0c62d
+0,     126976,     126976,     1024,     4096, 0x34d30762
+0,     128000,     128000,     1024,     4096, 0x8c0dec9f
+0,     129024,     129024,     1024,     4096, 0x790011d8
+0,     130048,     130048,     1024,     4096, 0xb76a1136
+0,     131072,     131072,     1024,     4096, 0x7dddfea7
+0,     132096,     132096,     1024,     4096, 0xb473edbb
+0,     133120,     133120,     1024,     4096, 0x40f6e94d
+0,     134144,     134144,     1024,     4096, 0xe6fae99b
+0,     135168,     135168,     1024,     4096, 0xbf5fe741
+0,     136192,     136192,     1024,     4096, 0x877df2e3
+0,     137216,     137216,     1024,     4096, 0x981d03f8
+0,     138240,     138240,     1024,     4096, 0x4afc2830
+0,     139264,     139264,     1024,     4096, 0x1213ee89
+0,     140288,     140288,     1024,     4096, 0xb1aaef65
+0,     141312,     141312,     1024,     4096, 0x2406ef09
+0,     142336,     142336,     1024,     4096, 0xad66f40d
+0,     143360,     143360,     1024,     4096, 0x7a65d88d
+0,     144384,     144384,     1024,     4096, 0x55dff997
+0,     145408,     145408,     1024,     4096, 0x948b21f4
+0,     146432,     146432,     1024,     4096, 0xc1c4ef9d
+0,     147456,     147456,     1024,     4096, 0x81a6f5f3
+0,     148480,     148480,     1024,     4096, 0xd82fcfed
+0,     149504,     149504,     1024,     4096, 0x4ba50b0c
+0,     150528,     150528,     1024,     4096, 0x2cc4edb1
+0,     151552,     151552,     1024,     4096, 0x5085e701
+0,     152576,     152576,     1024,     4096, 0x97beee93
+0,     153600,     153600,     1024,     4096, 0x3ea10e94
+0,     154624,     154624,     1024,     4096, 0x4347f983
+0,     155648,     155648,     1024,     4096, 0x17f4d38f
+0,     156672,     156672,     1024,     4096, 0x47f2f5c5
+0,     157696,     157696,     1024,     4096, 0x5484db7b
+0,     158720,     158720,     1024,     4096, 0xdef2d915
+0,     159744,     159744,     1024,     4096, 0xccfaf223
+0,     160768,     160768,     1024,     4096, 0x2fcf1bc2
+0,     161792,     161792,     1024,     4096, 0xc2cc10e4
+0,     162816,     162816,     1024,     4096, 0x63bc0f96
+0,     163840,     163840,     1024,     4096, 0x23d6eb63
+0,     164864,     164864,     1024,     4096, 0xf97806d8
+0,     165888,     165888,     1024,     4096, 0xe9ec0836
+0,     166912,     166912,     1024,     4096, 0x7481ee4f
+0,     167936,     167936,     1024,     4096, 0x3aae0f32
+0,     168960,     168960,     1024,     4096, 0x1103f357
+0,     169984,     169984,     1024,     4096, 0x1bbf02c6
+0,     171008,     171008,     1024,     4096, 0x7b6aeeb3
+0,     172032,     172032,     1024,     4096, 0x377eeec9
+0,     173056,     173056,     1024,     4096, 0xaab0e16f
+0,     174080,     174080,     1024,     4096, 0x2ffff0a3
+0,     175104,     175104,     1024,     4096, 0x4fb6f805
+0,     176128,     176128,     1024,     4096, 0xf5c8fdf3
+0,     177152,     177152,     1024,     4096, 0x782fe5ad
+0,     178176,     178176,     1024,     4096, 0xce0f0d0a
+0,     179200,     179200,     1024,     4096, 0xf888b957
+0,     180224,     180224,     1024,     4096, 0x075ced7f
+0,     181248,     181248,     1024,     4096, 0x269eea07
+0,     182272,     182272,     1024,     4096, 0x838ded59
+0,     183296,     183296,     1024,     4096, 0x71410850
+0,     184320,     184320,     1024,     4096, 0xb6a0d1d5
+0,     185344,     185344,     1024,     4096, 0x6787feed
+0,     186368,     186368,     1024,     4096, 0xbdcefa91
+0,     187392,     187392,     1024,     4096, 0xc135c927
+0,     188416,     188416,     1024,     4096, 0xe7cd11d6
+0,     189440,     189440,     1024,     4096, 0x8a61e97f
+0,     190464,     190464,     1024,     4096, 0x86adf3e3
+0,     191488,     191488,     1024,     4096, 0xa46a12f6
+0,     192512,     192512,     1024,     4096, 0x1c8f2c18
+0,     193536,     193536,     1024,     4096, 0x2fa62b6e
+0,     194560,     194560,     1024,     4096, 0xb644e65d
+0,     195584,     195584,     1024,     4096, 0xcc33f651
+0,     196608,     196608,     1024,     4096, 0x6de62030
+0,     197632,     197632,     1024,     4096, 0x1b0ce3bd
+0,     198656,     198656,     1024,     4096, 0x92d80e40
+0,     199680,     199680,     1024,     4096, 0x20edff7f
+0,     200704,     200704,     1024,     4096, 0xeeddf9eb
+0,     201728,     201728,     1024,     4096, 0x83861e06
+0,     202752,     202752,     1024,     4096, 0x9d90e441
+0,     203776,     203776,     1024,     4096, 0xaae21706
+0,     204800,     204800,     1024,     4096, 0x3da411d0
+0,     205824,     205824,     1024,     4096, 0xdc52051c
+0,     206848,     206848,     1024,     4096, 0x17e7233a
+0,     207872,     207872,     1024,     4096, 0xe9c1df0d
+0,     208896,     208896,     1024,     4096, 0xf725f4d1
+0,     209920,     209920,     1024,     4096, 0x0a760b38
+0,     210944,     210944,     1024,     4096, 0xbd67e3db
+0,     211968,     211968,     1024,     4096, 0x84c8378c
+0,     212992,     212992,     1024,     4096, 0xb045036a
+0,     214016,     214016,     1024,     4096, 0x697706de
+0,     215040,     215040,     1024,     4096, 0x15e6038e
+0,     216064,     216064,     1024,     4096, 0x17c4e895
+0,     217088,     217088,     1024,     4096, 0xd1d81f0e
+0,     218112,     218112,     1024,     4096, 0x3764f1eb
+0,     219136,     219136,     1024,     4096, 0xce58f645
+0,     220160,     220160,     1024,     4096, 0xd53127be
+0,     221184,     221184,     1024,     4096, 0xacc7df11
+0,     222208,     222208,     1024,     4096, 0x05040766
+0,     223232,     223232,     1024,     4096, 0x131efcf5
+0,     224256,     224256,     1024,     4096, 0xe3dcddef
+0,     225280,     225280,     1024,     4096, 0xd042a3c2
+0,     226304,     226304,     1024,     4096, 0x6e3dc579
+0,     227328,     227328,     1024,     4096, 0xd6920a88
+0,     228352,     228352,     1024,     4096, 0xd6c9fa87
+0,     229376,     229376,     1024,     4096, 0x17efd0b5
+0,     230400,     230400,     1024,     4096, 0x73a90d28
+0,     231424,     231424,     1024,     4096, 0x077de2a5
+0,     232448,     232448,     1024,     4096, 0x8248f157
+0,     233472,     233472,     1024,     4096, 0xa459f6eb
+0,     234496,     234496,     1024,     4096, 0x1ab5d2e1
+0,     235520,     235520,     1024,     4096, 0xee960ca4
+0,     236544,     236544,     1024,     4096, 0xe5ccd9df
+0,     237568,     237568,     1024,     4096, 0x85cddf19
+0,     238592,     238592,     1024,     4096, 0x9dceebc7
+0,     239616,     239616,     1024,     4096, 0x81becdab
+0,     240640,     240640,     1024,     4096, 0xac4d11d8
+0,     241664,     241664,     1024,     4096, 0x9b61fc05
+0,     242688,     242688,     1024,     4096, 0x782fe5ad
+0,     243712,     243712,     1024,     4096, 0xce0f0d0a
+0,     244736,     244736,     1024,     4096, 0xf888b957
+0,     245760,     245760,     1024,     4096, 0x075ced7f
+0,     246784,     246784,     1024,     4096, 0x269eea07
+0,     247808,     247808,     1024,     4096, 0x838ded59
+0,     248832,     248832,     1024,     4096, 0x71410850
+0,     249856,     249856,     1024,     4096, 0xb6a0d1d5
+0,     250880,     250880,     1024,     4096, 0x6787feed
+0,     251904,     251904,     1024,     4096, 0xbdcefa91
+0,     252928,     252928,     1024,     4096, 0xc135c927
+0,     253952,     253952,     1024,     4096, 0xe7cd11d6
+0,     254976,     254976,     1024,     4096, 0x8a61e97f
+0,     256000,     256000,     1024,     4096, 0x86adf3e3
+0,     257024,     257024,     1024,     4096, 0xa46a12f6
+0,     258048,     258048,     1024,     4096, 0x1c8f2c18
+0,     259072,     259072,     1024,     4096, 0x2fa62b6e
+0,     260096,     260096,     1024,     4096, 0xb644e65d
+0,     261120,     261120,     1024,     4096, 0xcc33f651
+0,     262144,     262144,     1024,     4096, 0x6de62030
+0,     263168,     263168,     1024,     4096, 0x1b0ce3bd
 0,     264192,     264192,      408,     1632, 0x53c44589
diff --git a/tests/ref/fate/filter-chorus b/tests/ref/fate/filter-chorus
index 97c7919655..219567d0e8 100644
--- a/tests/ref/fate/filter-chorus
+++ b/tests/ref/fate/filter-chorus
@@ -3,13 +3,13 @@ 
 #codec_id 0: pcm_s16le
 #sample_rate 0: 22050
 #channel_layout_name 0: mono
-0,          0,          0,     2048,     4096, 0x1fc6f1f1
-0,       2048,       2048,     2048,     4096, 0xe5f7f442
-0,       4096,       4096,     2048,     4096, 0x4f14ecb9
-0,       6144,       6144,     2048,     4096, 0xd431eeee
-0,       8192,       8192,     2048,     4096, 0x4c38ead6
-0,      10240,      10240,     2048,     4096, 0x786cf071
-0,      12288,      12288,     2048,     4096, 0xe291f200
-0,      14336,      14336,     2048,     4096, 0x47d2f1dd
-0,      16384,      16384,     2048,     4096, 0xd6a1f028
-0,      18432,      18432,     2048,     4096, 0x2bf4ec79
+0,          0,          0,      882,     1764, 0xce976a71
+0,        882,        882,      882,     1764, 0xe7b76c72
+0,       1764,       1764,      882,     1764, 0x2b0b6c6f
+0,       2646,       2646,      882,     1764, 0xa65d6c4e
+0,       3528,       3528,      882,     1764, 0x9ebc6c6f
+0,       4410,       4410,      882,     1764, 0x902b6a72
+0,       5292,       5292,      882,     1764, 0x90d46a73
+0,       6174,       6174,      882,     1764, 0x92176a6f
+0,       7056,       7056,      882,     1764, 0xaaae6a74
+0,       7938,       7938,      882,     1764, 0x81da6c71
diff --git a/tests/ref/fate/filter-pan-downmix1 b/tests/ref/fate/filter-pan-downmix1
index 85630ab179..54a4189618 100644
--- a/tests/ref/fate/filter-pan-downmix1
+++ b/tests/ref/fate/filter-pan-downmix1
@@ -3,23 +3,23 @@ 
 #codec_id 0: pcm_s16le
 #sample_rate 0: 44100
 #channel_layout_name 0: stereo
-0,          0,          0,      512,     2048, 0xccb10170
-0,        512,        512,      512,     2048, 0xc51cf8e7
-0,       1024,       1024,      512,     2048, 0x959eef2d
-0,       1536,       1536,      512,     2048, 0x559f0751
-0,       2048,       2048,      512,     2048, 0x4c4c08e1
-0,       2560,       2560,      512,     2048, 0x41c3fd6f
-0,       3072,       3072,      512,     2048, 0x4c92f8d2
-0,       3584,       3584,      512,     2048, 0x9defee05
-0,       4096,       4096,      512,     2048, 0x2d33f4dc
-0,       4608,       4608,      512,     2048, 0xd854eeca
-0,       5120,       5120,      512,     2048, 0xdb55eaf7
-0,       5632,       5632,      512,     2048, 0x2bac060d
-0,       6144,       6144,      512,     2048, 0x91beec0f
-0,       6656,       6656,      512,     2048, 0x3262f0da
-0,       7168,       7168,      512,     2048, 0xf00708a6
-0,       7680,       7680,      512,     2048, 0xc90cfa02
-0,       8192,       8192,      512,     2048, 0x09e9f413
-0,       8704,       8704,      512,     2048, 0xcd0d0c36
-0,       9216,       9216,      512,     2048, 0x6f6bff82
-0,       9728,       9728,      512,     2048, 0x18a40912
+0,          0,          0,     1024,     4096, 0x1290fa57
+0,       1024,       1024,     1024,     4096, 0xc363f67e
+0,       2048,       2048,     1024,     4096, 0x9a38065f
+0,       3072,       3072,     1024,     4096, 0xef2ae6e6
+0,       4096,       4096,     1024,     4096, 0x585fe3b5
+0,       5120,       5120,     1024,     4096, 0x2d38f104
+0,       6144,       6144,     1024,     4096, 0xaacfdcf8
+0,       7168,       7168,     1024,     4096, 0xed2d02b7
+0,       8192,       8192,     1024,     4096, 0xe1650058
+0,       9216,       9216,     1024,     4096, 0x0fe208a3
+0,      10240,      10240,     1024,     4096, 0xf1ece81f
+0,      11264,      11264,     1024,     4096, 0x836ef60b
+0,      12288,      12288,     1024,     4096, 0x6683e4cd
+0,      13312,      13312,     1024,     4096, 0x0b42025c
+0,      14336,      14336,     1024,     4096, 0x07fbda9c
+0,      15360,      15360,     1024,     4096, 0x8f3f07c0
+0,      16384,      16384,     1024,     4096, 0x145dfc54
+0,      17408,      17408,     1024,     4096, 0x4f74eeba
+0,      18432,      18432,     1024,     4096, 0xc75eea1e
+0,      19456,      19456,     1024,     4096, 0x08c7ed8e
diff --git a/tests/ref/fate/filter-pan-downmix2 b/tests/ref/fate/filter-pan-downmix2
index 4ec18fc7dd..b8cf98054c 100644
--- a/tests/ref/fate/filter-pan-downmix2
+++ b/tests/ref/fate/filter-pan-downmix2
@@ -3,23 +3,23 @@ 
 #codec_id 0: pcm_s16le
 #sample_rate 0: 44100
 #channel_layout_name 0: 5 channels
-0,          0,          0,      186,     1860, 0x2480a20e
-0,        186,        186,      186,     1860, 0xde9e9c40
-0,        372,        372,      186,     1860, 0xc497b2a0
-0,        558,        558,      186,     1860, 0xe5a8a2d7
-0,        744,        744,      186,     1860, 0x01c09b6a
-0,        930,        930,      186,     1860, 0xb26fae2f
-0,       1116,       1116,      186,     1860, 0x1292a9ab
-0,       1302,       1302,      186,     1860, 0xe7a79136
-0,       1488,       1488,      186,     1860, 0x57dc81a3
-0,       1674,       1674,      186,     1860, 0xc13b9a1b
-0,       1860,       1860,      186,     1860, 0xdf7c9fd6
-0,       2046,       2046,      186,     1860, 0x4d769cff
-0,       2232,       2232,      186,     1860, 0xb8b79977
-0,       2418,       2418,      186,     1860, 0xd287989f
-0,       2604,       2604,      186,     1860, 0xc2a38f03
-0,       2790,       2790,      186,     1860, 0xd7149438
-0,       2976,       2976,      186,     1860, 0xc3719081
-0,       3162,       3162,      186,     1860, 0xb9fba1a3
-0,       3348,       3348,      186,     1860, 0xe92cb2de
-0,       3534,       3534,      186,     1860, 0x9dd9b272
+0,          0,          0,     1024,    10240, 0xfc3c0f05
+0,       1024,       1024,     1024,    10240, 0xc6c9d04b
+0,       2048,       2048,     1024,    10240, 0x1628c409
+0,       3072,       3072,     1024,    10240, 0x5ef50e5b
+0,       4096,       4096,     1024,    10240, 0xc4a0ff1a
+0,       5120,       5120,     1024,    10240, 0xb116da08
+0,       6144,       6144,     1024,    10240, 0x9b2cdf3d
+0,       7168,       7168,     1024,    10240, 0xf3cfe299
+0,       8192,       8192,     1024,    10240, 0x85dcbfc2
+0,       9216,       9216,     1024,    10240, 0xc748f5cf
+0,      10240,      10240,     1024,    10240, 0x7063ef46
+0,      11264,      11264,     1024,    10240, 0xa219da16
+0,      12288,      12288,     1024,    10240, 0xbf77e2ae
+0,      13312,      13312,     1024,    10240, 0xa71bd705
+0,      14336,      14336,     1024,    10240, 0x6878e3d6
+0,      15360,      15360,     1024,    10240, 0xb8f419a3
+0,      16384,      16384,     1024,    10240, 0xd7ccd236
+0,      17408,      17408,     1024,    10240, 0x48ee24ec
+0,      18432,      18432,     1024,    10240, 0xe9e8e37e
+0,      19456,      19456,     1024,    10240, 0x949f00ae
diff --git a/tests/ref/fate/filter-pan-stereo1 b/tests/ref/fate/filter-pan-stereo1
index b4270bb113..d1cfddb720 100644
--- a/tests/ref/fate/filter-pan-stereo1
+++ b/tests/ref/fate/filter-pan-stereo1
@@ -3,23 +3,23 @@ 
 #codec_id 0: pcm_s16le
 #sample_rate 0: 44100
 #channel_layout_name 0: stereo
-0,          0,          0,      682,     2728, 0xaf365458
-0,        682,        682,      682,     2728, 0xcd684898
-0,       1364,       1364,      682,     2728, 0x5d514ae5
-0,       2046,       2046,      682,     2728, 0x48cb4605
-0,       2728,       2728,      682,     2728, 0x76ac43ee
-0,       3410,       3410,      682,     2728, 0x088355fa
-0,       4092,       4092,      682,     2728, 0xf66f4efa
-0,       4774,       4774,      682,     2728, 0x7efc3b1a
-0,       5456,       5456,      682,     2728, 0x1c1745f3
-0,       6138,       6138,      682,     2728, 0x824d50fe
-0,       6820,       6820,      682,     2728, 0xb26c5b94
-0,       7502,       7502,      682,     2728, 0x02d5636d
-0,       8184,       8184,      682,     2728, 0x65e647de
-0,       8866,       8866,      682,     2728, 0x93374812
-0,       9548,       9548,      682,     2728, 0xa0d55153
-0,      10230,      10230,      682,     2728, 0x56cf392c
-0,      10912,      10912,      682,     2728, 0x554051c3
-0,      11594,      11594,      682,     2728, 0xbc3655ce
-0,      12276,      12276,      682,     2728, 0xb432529f
-0,      12958,      12958,      682,     2728, 0x64df52a7
+0,          0,          0,     1024,     4096, 0x337efeb6
+0,       1024,       1024,     1024,     4096, 0x5c4aea76
+0,       2048,       2048,     1024,     4096, 0xec82ee33
+0,       3072,       3072,     1024,     4096, 0xfe66f9df
+0,       4096,       4096,     1024,     4096, 0x7291e981
+0,       5120,       5120,     1024,     4096, 0x390be918
+0,       6144,       6144,     1024,     4096, 0x3c6fff4f
+0,       7168,       7168,     1024,     4096, 0xa46b12b7
+0,       8192,       8192,     1024,     4096, 0xcbb4e329
+0,       9216,       9216,     1024,     4096, 0xe66f0265
+0,      10240,      10240,     1024,     4096, 0x1cffe900
+0,      11264,      11264,     1024,     4096, 0xd86efd12
+0,      12288,      12288,     1024,     4096, 0xa122f221
+0,      13312,      13312,     1024,     4096, 0x13500181
+0,      14336,      14336,     1024,     4096, 0x4d9a0bd7
+0,      15360,      15360,     1024,     4096, 0xa3620ba4
+0,      16384,      16384,     1024,     4096, 0x60e8e816
+0,      17408,      17408,     1024,     4096, 0xea75e8a5
+0,      18432,      18432,     1024,     4096, 0xc6c2f1a5
+0,      19456,      19456,     1024,     4096, 0xa83aebaa
diff --git a/tests/ref/fate/filter-pan-stereo2 b/tests/ref/fate/filter-pan-stereo2
index dcd429a0ce..c206058bbd 100644
--- a/tests/ref/fate/filter-pan-stereo2
+++ b/tests/ref/fate/filter-pan-stereo2
@@ -3,23 +3,23 @@ 
 #codec_id 0: pcm_s16le
 #sample_rate 0: 44100
 #channel_layout_name 0: stereo
-0,          0,          0,      682,     2728, 0x35c15e81
-0,        682,        682,      682,     2728, 0x770f2e2d
-0,       1364,       1364,      682,     2728, 0x6f8d6d9f
-0,       2046,       2046,      682,     2728, 0x5b9e46f3
-0,       2728,       2728,      682,     2728, 0xda7e5fdc
-0,       3410,       3410,      682,     2728, 0x55e446f8
-0,       4092,       4092,      682,     2728, 0x4fcf4f8e
-0,       4774,       4774,      682,     2728, 0x86e757b2
-0,       5456,       5456,      682,     2728, 0x8d4256e9
-0,       6138,       6138,      682,     2728, 0xa28d4e58
-0,       6820,       6820,      682,     2728, 0xacaa5738
-0,       7502,       7502,      682,     2728, 0xd1fe580f
-0,       8184,       8184,      682,     2728, 0x09a05c0a
-0,       8866,       8866,      682,     2728, 0xcaf2555d
-0,       9548,       9548,      682,     2728, 0xcee159fc
-0,      10230,      10230,      682,     2728, 0xaa3444a5
-0,      10912,      10912,      682,     2728, 0x23b76512
-0,      11594,      11594,      682,     2728, 0xef2243dd
-0,      12276,      12276,      682,     2728, 0x36486118
-0,      12958,      12958,      682,     2728, 0xfd59626c
+0,          0,          0,     1024,     4096, 0x8801f679
+0,       1024,       1024,     1024,     4096, 0xbf6906ca
+0,       2048,       2048,     1024,     4096, 0xec8eeac9
+0,       3072,       3072,     1024,     4096, 0x938d0541
+0,       4096,       4096,     1024,     4096, 0xf0820121
+0,       5120,       5120,     1024,     4096, 0xd1da0083
+0,       6144,       6144,     1024,     4096, 0x13e502bf
+0,       7168,       7168,     1024,     4096, 0xcc68046f
+0,       8192,       8192,     1024,     4096, 0xb3e704db
+0,       9216,       9216,     1024,     4096, 0x8a9f07c0
+0,      10240,      10240,     1024,     4096, 0x50e0f62f
+0,      11264,      11264,     1024,     4096, 0xea48f6b6
+0,      12288,      12288,     1024,     4096, 0x76c31e7c
+0,      13312,      13312,     1024,     4096, 0x3629effc
+0,      14336,      14336,     1024,     4096, 0x3c450759
+0,      15360,      15360,     1024,     4096, 0x9569f61c
+0,      16384,      16384,     1024,     4096, 0x0685f076
+0,      17408,      17408,     1024,     4096, 0x3fc3fb15
+0,      18432,      18432,     1024,     4096, 0x7dc5fb44
+0,      19456,      19456,     1024,     4096, 0xcc3e03ab
diff --git a/tests/ref/fate/filter-pan-upmix2 b/tests/ref/fate/filter-pan-upmix2
index 1084a8f68c..dca5cee168 100644
--- a/tests/ref/fate/filter-pan-upmix2
+++ b/tests/ref/fate/filter-pan-upmix2
@@ -3,23 +3,23 @@ 
 #codec_id 0: pcm_s16le
 #sample_rate 0: 44100
 #channel_layout_name 0: 9 channels
-0,          0,          0,      512,     9216, 0xd561bb2b
-0,        512,        512,      512,     9216, 0x591805f9
-0,       1024,       1024,      512,     9216, 0xd46fecd6
-0,       1536,       1536,      512,     9216, 0x1e1f176b
-0,       2048,       2048,      512,     9216, 0xe383f1a6
-0,       2560,       2560,      512,     9216, 0xc628c661
-0,       3072,       3072,      512,     9216, 0x1ad09914
-0,       3584,       3584,      512,     9216, 0x798533cc
-0,       4096,       4096,      512,     9216, 0x4913d581
-0,       4608,       4608,      512,     9216, 0x59f506b3
-0,       5120,       5120,      512,     9216, 0x8885fa28
-0,       5632,       5632,      512,     9216, 0x769ffa95
-0,       6144,       6144,      512,     9216, 0xc636cc46
-0,       6656,       6656,      512,     9216, 0x4740f34b
-0,       7168,       7168,      512,     9216, 0x00d2de28
-0,       7680,       7680,      512,     9216, 0x704a07fc
-0,       8192,       8192,      512,     9216, 0x54a4f682
-0,       8704,       8704,      512,     9216, 0xd6dac181
-0,       9216,       9216,      512,     9216, 0xfcd6fe28
-0,       9728,       9728,      512,     9216, 0x5c41cbdc
+0,          0,          0,     1024,    18432, 0xc565c124
+0,       1024,       1024,     1024,    18432, 0xfe3e0450
+0,       2048,       2048,     1024,    18432, 0xff8db816
+0,       3072,       3072,     1024,    18432, 0xa74dcce0
+0,       4096,       4096,     1024,    18432, 0x8980dc34
+0,       5120,       5120,     1024,    18432, 0xaef4f4cc
+0,       6144,       6144,     1024,    18432, 0x947abfa0
+0,       7168,       7168,     1024,    18432, 0xe5cde624
+0,       8192,       8192,     1024,    18432, 0x7ba1b812
+0,       9216,       9216,     1024,    18432, 0x1166ca13
+0,      10240,      10240,     1024,    18432, 0x0fd40143
+0,      11264,      11264,     1024,    18432, 0x8aecc408
+0,      12288,      12288,     1024,    18432, 0x3da6de0b
+0,      13312,      13312,     1024,    18432, 0x95bd097d
+0,      14336,      14336,     1024,    18432, 0x8eacb965
+0,      15360,      15360,     1024,    18432, 0x3daf2b0a
+0,      16384,      16384,     1024,    18432, 0xe69218d2
+0,      17408,      17408,     1024,    18432, 0x0b14c778
+0,      18432,      18432,     1024,    18432, 0xa28cba24
+0,      19456,      19456,     1024,    18432, 0x77edf299
diff --git a/tests/ref/fate/g722-encode b/tests/ref/fate/g722-encode
index f178c8ca35..125c8321ba 100644
--- a/tests/ref/fate/g722-encode
+++ b/tests/ref/fate/g722-encode
@@ -7,15 +7,78 @@ 
 #sample_rate 0: 16000
 #channel_layout_name 0: mono
 #stream#, dts,        pts, duration,     size, hash
-0,          0,          0,     8192,    16384, 1dd9c285eb608038f3257d1a8e02eb75
-0,       8192,       8192,     8192,    16384, f7459334cbe70c06bc0897edfe64e840
-0,      16384,      16384,     8192,    16384, 486e7d07c8879ccd304689ad61911e5d
-0,      24576,      24576,     8192,    16384, 5178262fdeff11dc025c72a2678e420d
-0,      32768,      32768,     8192,    16384, 913f8208615dcd643edafda7db1eb943
-0,      40960,      40960,     8192,    16384, 0b8dc719670feac586db87bf3a92cc2a
-0,      49152,      49152,     8192,    16384, 075dc5022f5e9f1cb2fcd066e590fed1
-0,      57344,      57344,     8192,    16384, a6494307ecb1359ff42d6e05cf40ca4c
-0,      65536,      65536,     8192,    16384, 5b28d3b0d6d2bfe7100daeefcb3010ec
-0,      73728,      73728,     8192,    16384, b3cf1952b8a0d2e6a2741867e9fa8e24
-0,      81920,      81920,     8192,    16384, f0981f8fa28bbc0ba6a527b041468951
-0,      90112,      90112,     5888,    11776, 1e3d1b3d0da71aa2cdc00175cc47433a
+0,          0,          0,     1280,     2560, cd96995ecfa0edf214c1d6c7c6b37351
+0,       1280,       1280,     1280,     2560, d72d481d9c467656f8d36a94286e1a5b
+0,       2560,       2560,     1280,     2560, a09f0e46f2bc73d2454796bbfa1a59c8
+0,       3840,       3840,     1280,     2560, cfa9af21beab5786eb4ebaebf9e403c1
+0,       5120,       5120,     1280,     2560, 8649aecff1d284f20bbeed35c9b9a1e7
+0,       6400,       6400,     1280,     2560, 9faf9dc9c79df571fb08a2cb8d57f654
+0,       7680,       7680,     1280,     2560, d3ee9e40f674bee75647a115aefc9721
+0,       8960,       8960,     1280,     2560, d22fc90675529c56b0b9813213b59fd1
+0,      10240,      10240,     1280,     2560, 80a8385087ef739ffadc9d4314344ce2
+0,      11520,      11520,     1280,     2560, 251efeb72b7316a1c47c67d16584b62c
+0,      12800,      12800,     1280,     2560, d0e2936ff72e2f46c861f68ad8870aa9
+0,      14080,      14080,     1280,     2560, b47cd1cfffd504713de55ffc623319d3
+0,      15360,      15360,     1280,     2560, 8b1ead46d90c13c49de3bb2f3a8d05d0
+0,      16640,      16640,     1280,     2560, f8ae7db652a69bed10625f8c7a6a1eb0
+0,      17920,      17920,     1280,     2560, aeeb3df73249e3bb61aa2e4cd69c0f8f
+0,      19200,      19200,     1280,     2560, 10906b462f27de28080f0e85fbe0c6ab
+0,      20480,      20480,     1280,     2560, c99d1e7f33f6fee6803f9b5a9ade7903
+0,      21760,      21760,     1280,     2560, b28a0cb4037b3814bcf775c3f53011ac
+0,      23040,      23040,     1280,     2560, 3fecdb666569cb42119b1bb38460cccc
+0,      24320,      24320,     1280,     2560, f05d544ba2757313a53170c83a8355ef
+0,      25600,      25600,     1280,     2560, 93385f9efc40d8a05d36b65da388a72c
+0,      26880,      26880,     1280,     2560, d172f7595490cb7338c214a5730a5ea7
+0,      28160,      28160,     1280,     2560, 450d4d25e023546ba5bc93bca1dbfda0
+0,      29440,      29440,     1280,     2560, 4dc63487a12cd92b42b0b4b4342ba6ea
+0,      30720,      30720,     1280,     2560, c4829ec882be961e3eb503adb942e88e
+0,      32000,      32000,     1280,     2560, 093eb5b1eff2e3c6ecc1cd7cfb31190a
+0,      33280,      33280,     1280,     2560, 9a89ecb75fe2e5acd2a719479a7f618e
+0,      34560,      34560,     1280,     2560, bc13180d784163d1057227c514d6d5f7
+0,      35840,      35840,     1280,     2560, 3c6d0c72a466179ddfc477882e71423c
+0,      37120,      37120,     1280,     2560, 109743e2650f7978d931b998a5f07438
+0,      38400,      38400,     1280,     2560, ede31dd228b764406d13861b09b2b360
+0,      39680,      39680,     1280,     2560, 81bc38ca1068813a5953e649561a63ac
+0,      40960,      40960,     1280,     2560, 4bc7b871f8aa02533a1815f3c8e942a5
+0,      42240,      42240,     1280,     2560, a269372e59eede6ecd2a44500a92630b
+0,      43520,      43520,     1280,     2560, d6f06276f8e8a354ff75fd9593b09ef9
+0,      44800,      44800,     1280,     2560, 12c582c0d28d9373d77bb2dd50c8c052
+0,      46080,      46080,     1280,     2560, 2a4447ea1d7ad2b5e8b4fe19a2597f4e
+0,      47360,      47360,     1280,     2560, 722962cf9fe0a4327dbcf626b935f660
+0,      48640,      48640,     1280,     2560, e62a4c482bf6fa3fae9e0c9dbeb5e51f
+0,      49920,      49920,     1280,     2560, 000b14ecb533c0c24658cbe7734d3648
+0,      51200,      51200,     1280,     2560, a4dcc948c2aadc33c81a5bc5591ffb2d
+0,      52480,      52480,     1280,     2560, 94e75f66af8e31335c090042a1f63fc5
+0,      53760,      53760,     1280,     2560, cf4e38b36769a3fbcf7467c746ac2a1b
+0,      55040,      55040,     1280,     2560, f568270d6ff1f7bde6206360d9077f84
+0,      56320,      56320,     1280,     2560, ce63ca6e30c7af75b5188aad659d431e
+0,      57600,      57600,     1280,     2560, acd8534f856203f787ec8043aaf55185
+0,      58880,      58880,     1280,     2560, 50626cabcd732e4d071d4b73ae0e7e04
+0,      60160,      60160,     1280,     2560, 038990cbffc52a40552c6b027379b15c
+0,      61440,      61440,     1280,     2560, 6bdc159fc76b22500bd035edb7c2e1a3
+0,      62720,      62720,     1280,     2560, ee7ac329fe2fcf9e18afeea2fcfe6768
+0,      64000,      64000,     1280,     2560, b1abe3bcc36878412facb83270e6629d
+0,      65280,      65280,     1280,     2560, 326a9e4613119dc12e0a97e107e90442
+0,      66560,      66560,     1280,     2560, 569675a451b3b1b6e32fed683e0e4940
+0,      67840,      67840,     1280,     2560, 1e2db0be1805d797d0ec0fc928346d9e
+0,      69120,      69120,     1280,     2560, 3351ffe2a83a03b08331e819a1d0b7b9
+0,      70400,      70400,     1280,     2560, dce4210d528f17f28c397bb007f5b018
+0,      71680,      71680,     1280,     2560, e088d9c359d91e3a68d7f0889f84d14d
+0,      72960,      72960,     1280,     2560, c3f8a868eeda69e7d388f0f428de651b
+0,      74240,      74240,     1280,     2560, 17be00694027ccb870bada1f96bd6fcf
+0,      75520,      75520,     1280,     2560, b474e37998364312f0d86843a43dabb2
+0,      76800,      76800,     1280,     2560, 971255aafe9a4d96d44479e3df609aa7
+0,      78080,      78080,     1280,     2560, 1c912d86beab34eb2c6307a5e3699064
+0,      79360,      79360,     1280,     2560, 7addab61237812433409e5cf8eed2617
+0,      80640,      80640,     1280,     2560, e3b2838ff170a328d24f9bc2f1457fad
+0,      81920,      81920,     1280,     2560, 95a3ce68908eb179d1bb60a96ef21a26
+0,      83200,      83200,     1280,     2560, fc0bd36ad4cd4349ebf7c07c5fcda555
+0,      84480,      84480,     1280,     2560, 7a12e0d59365f42e78079093effea86c
+0,      85760,      85760,     1280,     2560, cb59a714ef2717932c89d5dd725084d8
+0,      87040,      87040,     1280,     2560, aaeb92b680b9a22fab9c3c305220821b
+0,      88320,      88320,     1280,     2560, e1f05444007910da6f212d751325f766
+0,      89600,      89600,     1280,     2560, fbeea303f52f37547dfceca570983895
+0,      90880,      90880,     1280,     2560, 53fbda08a3c3fb2d61ab124395092376
+0,      92160,      92160,     1280,     2560, 6cfd234af2e8855ddc4496e2868f5cd0
+0,      93440,      93440,     1280,     2560, 3959ebc0d5737a08784e3d129a0bcc5a
+0,      94720,      94720,     1280,     2560, 89ced69e400daf80524a5c53bcf28f6a
diff --git a/tests/ref/fate/g726-encode-2bit b/tests/ref/fate/g726-encode-2bit
index 2aafcc8bf2..e7ed4c8413 100644
--- a/tests/ref/fate/g726-encode-2bit
+++ b/tests/ref/fate/g726-encode-2bit
@@ -7,6 +7,41 @@ 
 #sample_rate 0: 8000
 #channel_layout_name 0: mono
 #stream#, dts,        pts, duration,     size, hash
-0,          0,          0,    16384,    32768, b28b116d2315323aeba6b66b58b7f4ed
-0,      16384,      16384,    16384,    32768, e9cfbebe99490bd4987341ee748291c4
-0,      32768,      32768,    15232,    30464, f890e7f29bc76ca6c214fac0cedd7a49
+0,          0,          0,     1280,     2560, f3ab112b1b0e900f2b936da73e14a125
+0,       1280,       1280,     1280,     2560, 22f2d94221d6f6ff85d50b287c0d13e9
+0,       2560,       2560,     1280,     2560, 01fb01c560b59ba5921c1e839e32fa8c
+0,       3840,       3840,     1280,     2560, 0385b5b73919c7184bcda319faefddde
+0,       5120,       5120,     1280,     2560, 8cd9ef1018b5169619b4baf1f99ea049
+0,       6400,       6400,     1280,     2560, 06a1a3e0582d03a2f32eb149855f0dd3
+0,       7680,       7680,     1280,     2560, c97f0f367b7a42aa1a8b396a835d0d64
+0,       8960,       8960,     1280,     2560, c02abe424728f38a4e6fe3cc42069831
+0,      10240,      10240,     1280,     2560, 6fe3da1d9299b9b5395afeef048b3cbc
+0,      11520,      11520,     1280,     2560, ac0971acae9ec3910c2cf39f62491466
+0,      12800,      12800,     1280,     2560, 715a285c131c2252bf286d5a11af1de2
+0,      14080,      14080,     1280,     2560, 3d90a8331fa11d2154195642311688ab
+0,      15360,      15360,     1280,     2560, ef621ba890460fb8e526d56cfc541be5
+0,      16640,      16640,     1280,     2560, 89be141dd2225e7045bc6650cbb9597e
+0,      17920,      17920,     1280,     2560, c1ccfa84e1e02903c835271a58d22113
+0,      19200,      19200,     1280,     2560, a47866a32feb4b6c5e372f4d0daec09a
+0,      20480,      20480,     1280,     2560, eb497427f47b81f61dd1c9c0e5974bbe
+0,      21760,      21760,     1280,     2560, 0c9bcf02f7519ec649216d5f2b0b5261
+0,      23040,      23040,     1280,     2560, 8abbd54d9ccca6a04b68177457adc7d7
+0,      24320,      24320,     1280,     2560, c5057c0d53da8623dfd0615a94dab1cf
+0,      25600,      25600,     1280,     2560, d34772bf2f19f44b7ea27bab285e7f41
+0,      26880,      26880,     1280,     2560, b3df3707bc95ce2f6420bcbf7603c33e
+0,      28160,      28160,     1280,     2560, 797dd52a17ad5cfdc7bd098c7101f7c2
+0,      29440,      29440,     1280,     2560, 86dda35ff2d5d8b8825747ac71ac1d0d
+0,      30720,      30720,     1280,     2560, 1028b04c740becf23cf58114198945bf
+0,      32000,      32000,     1280,     2560, bb3eb59d5af1db519b7f7fc2fc3e3b97
+0,      33280,      33280,     1280,     2560, f3e8a76ba0494edad76c49239c6d79d5
+0,      34560,      34560,     1280,     2560, eaf7c7daf474addfafe5ac947c729a85
+0,      35840,      35840,     1280,     2560, c4020767dcd200c8d39cdee32cc15563
+0,      37120,      37120,     1280,     2560, c3d5d41ae4ac67ef5d40e7c46fa980ed
+0,      38400,      38400,     1280,     2560, cbd3e3f07c2a321fcdea77eb3a61c1c7
+0,      39680,      39680,     1280,     2560, f7bd15761a8d1b7a045f5ffb015a5126
+0,      40960,      40960,     1280,     2560, 1352b4120a5cff7daab40c850a3ad4dd
+0,      42240,      42240,     1280,     2560, 1bf16db460df57dcc2a294864a8faad9
+0,      43520,      43520,     1280,     2560, a5091960966a453288c01959b9ecbd00
+0,      44800,      44800,     1280,     2560, 802cf1b2fd8fb9ae63edc0dbca9a72db
+0,      46080,      46080,     1280,     2560, dcf838cc0400996b3cabb46dd1d78091
+0,      47360,      47360,      640,     1280, 0825a77ec4cf6a812e394ddbe0cfdd00
diff --git a/tests/ref/fate/g726-encode-3bit b/tests/ref/fate/g726-encode-3bit
index 96c6b9447b..2b714763b5 100644
--- a/tests/ref/fate/g726-encode-3bit
+++ b/tests/ref/fate/g726-encode-3bit
@@ -7,8 +7,22 @@ 
 #sample_rate 0: 8000
 #channel_layout_name 0: mono
 #stream#, dts,        pts, duration,     size, hash
-0,          0,          0,    10920,    21840, 517dd6d1ce566b998251f0d215fa69c0
-0,      10920,      10920,    10920,    21840, b0268e2bcc67acb524753790123c65fd
-0,      21840,      21840,    10920,    21840, a072a222a4910642f12e127b95a4d640
-0,      32760,      32760,    10920,    21840, 83bcd3c91cc3b57afdab0cb79a83d7b7
-0,      43680,      43680,     4320,     8640, 0125e504113997ac7bcc027616edad55
+0,          0,          0,     2560,     5120, 541f86e88472104206b1fb48f337ff0a
+0,       2560,       2560,     2560,     5120, 5303a5e8e41a62a3193993cecd018875
+0,       5120,       5120,     2560,     5120, aa67abf20d31b1725a42c0fc646ed227
+0,       7680,       7680,     2560,     5120, 01c71275d7ad24250b4800709a6a9783
+0,      10240,      10240,     2560,     5120, c60745f2287bacb562c6ce7e92cc7498
+0,      12800,      12800,     2560,     5120, 5242ce9464420f0c7ce9ab8c7e63bdc8
+0,      15360,      15360,     2560,     5120, 8f8c9b0e06ed45f6f08b11e3f70a34ad
+0,      17920,      17920,     2560,     5120, 37fe7307137fcf760752d5fd65a446a0
+0,      20480,      20480,     2560,     5120, a2683017632e2fd5efb64cb3d2da3884
+0,      23040,      23040,     2560,     5120, 512b3e9a543b2d9002386187050c7f7e
+0,      25600,      25600,     2560,     5120, c630e8df0e006390a22cc3593d7c7c37
+0,      28160,      28160,     2560,     5120, e08e2ebdfe6f1a581b77247e76035117
+0,      30720,      30720,     2560,     5120, 1a25f9d9eeac8243b14410b7eaedd47b
+0,      33280,      33280,     2560,     5120, c3f8b4075f9b85df505e1ce7afaa34c0
+0,      35840,      35840,     2560,     5120, 93af21d167e70b2d8a218db530572439
+0,      38400,      38400,     2560,     5120, 7cc3c8338cafbbe2941f330dfda46d73
+0,      40960,      40960,     2560,     5120, 36015b4be5eaaf57f27d0258b43b0156
+0,      43520,      43520,     2560,     5120, 0b46668539b430dbf1f185e2bba5fc99
+0,      46080,      46080,     1920,     3840, 239f80bfdafac8eccdcfc378b65379f5
diff --git a/tests/ref/fate/g726-encode-4bit b/tests/ref/fate/g726-encode-4bit
index 28e9ee0284..49f10adbae 100644
--- a/tests/ref/fate/g726-encode-4bit
+++ b/tests/ref/fate/g726-encode-4bit
@@ -7,9 +7,78 @@ 
 #sample_rate 0: 8000
 #channel_layout_name 0: mono
 #stream#, dts,        pts, duration,     size, hash
-0,          0,          0,     8192,    16384, a0cf3a0953adce1a1032a4fd2da00a52
-0,       8192,       8192,     8192,    16384, c750c1b76a203556dd60d73d261529e9
-0,      16384,      16384,     8192,    16384, 4c116836487c05f259168f63883d6496
-0,      24576,      24576,     8192,    16384, 3e4f96c06d4c33c97829f962a5b4b443
-0,      32768,      32768,     8192,    16384, 55d73226120bcd01e4c0ea22a360e2ef
-0,      40960,      40960,     7040,    14080, de8f12a49e673ce923c2512b36e0ce8f
+0,          0,          0,      640,     1280, 80f3a3b7c1a85914f6ca5cdb308cb0fd
+0,        640,        640,      640,     1280, c26971cc7e416d33e9ff20556912213b
+0,       1280,       1280,      640,     1280, 786e4e6ac64aac8b3a65e6bd224e8173
+0,       1920,       1920,      640,     1280, 47aac472631837335e24fa68c5965f11
+0,       2560,       2560,      640,     1280, 65c40426d04a19244294be5d64abaeda
+0,       3200,       3200,      640,     1280, 67b4f4a00b00a0be9e2da4250bc67880
+0,       3840,       3840,      640,     1280, 511d3e61cb1dc29e67cec72f2f814d01
+0,       4480,       4480,      640,     1280, 49cbbcc20e1b50575e419c7b970f34e8
+0,       5120,       5120,      640,     1280, 48f867700f6f8d5f4b05ca746d5cf2f3
+0,       5760,       5760,      640,     1280, 1b8f7f925a49b57949a212e1e83c41ff
+0,       6400,       6400,      640,     1280, 5e64ef1c54f1ede5f12d3d685a9482f5
+0,       7040,       7040,      640,     1280, ec9c5d43bbe03d7fa6288c59afcdb272
+0,       7680,       7680,      640,     1280, 27ff9ebc31d0398cded602c77ce0913e
+0,       8320,       8320,      640,     1280, 603b757cfd5c5ed46f9792a548e451d5
+0,       8960,       8960,      640,     1280, 78017062224d22f94aee954d890f63a9
+0,       9600,       9600,      640,     1280, 7eb92b65d7b6a0a24ccfbfadf727a40c
+0,      10240,      10240,      640,     1280, 030c034e519e9c087633bc026c97c94e
+0,      10880,      10880,      640,     1280, 7faf7a1968bcd3eb0a1396f0ee0ea65d
+0,      11520,      11520,      640,     1280, 045367e6485bc0dd469e7527331331d2
+0,      12160,      12160,      640,     1280, ecd404e7f8c59b4e96f250b5dc19338e
+0,      12800,      12800,      640,     1280, a1c813c6168bf6459511f8987b834dd3
+0,      13440,      13440,      640,     1280, e43f4dfa59b35f702899d26765a15a5b
+0,      14080,      14080,      640,     1280, 9c18838023c3b827e483dfe942a1008a
+0,      14720,      14720,      640,     1280, be139ae159ee6b761d218074d9890fb4
+0,      15360,      15360,      640,     1280, e8b1ad160f9cdba6586f4d8113d94a5c
+0,      16000,      16000,      640,     1280, f3317df77243b721586cb4b621e74e0e
+0,      16640,      16640,      640,     1280, d050113c65cefcb188e63ea7b98c1de6
+0,      17280,      17280,      640,     1280, f1c73e8b20b253785eddf40e29597803
+0,      17920,      17920,      640,     1280, 15f7e6d5a9dc449b0f201f4eb2f015e1
+0,      18560,      18560,      640,     1280, 2e7cd361b9f5514950020fa9b7fe0f89
+0,      19200,      19200,      640,     1280, a2b6753d2dab353931373df09d6dcb9f
+0,      19840,      19840,      640,     1280, 566b1b88df80217253f746d66b6edf15
+0,      20480,      20480,      640,     1280, 0930f17f7f9dbf22bf7996e971f92989
+0,      21120,      21120,      640,     1280, caecb9a421b624b9bde4d1a9391b1b7c
+0,      21760,      21760,      640,     1280, 4ae25bf74ad074c691da38a0b23df23e
+0,      22400,      22400,      640,     1280, 94625b39581eb4c734cf06895f1d27b9
+0,      23040,      23040,      640,     1280, 4bd49aa3b136246bc9acf3da1df3e258
+0,      23680,      23680,      640,     1280, 13e7ab6cc2e3603923dbf3d95810cfa1
+0,      24320,      24320,      640,     1280, bc083289c9f0e230064f7a9606b5ae61
+0,      24960,      24960,      640,     1280, a6420a56c064963c228fbb022262a9e8
+0,      25600,      25600,      640,     1280, 4ad4b04a7c728cf1e4f79bf2e98b5f01
+0,      26240,      26240,      640,     1280, 1152f12b1e1b170d740c29e8ec04be9b
+0,      26880,      26880,      640,     1280, f7343ebbee059ef2caef1ca54b262cc0
+0,      27520,      27520,      640,     1280, ef942ec802bbdc4bd1bb0ee6dd5a226d
+0,      28160,      28160,      640,     1280, 770abaea85aa3fc1d35f80c773bd5223
+0,      28800,      28800,      640,     1280, f704771c09dff105ac45a95ff4d2a6fc
+0,      29440,      29440,      640,     1280, 5591bfff3909d5eab958ffed1d8aa67c
+0,      30080,      30080,      640,     1280, 6f945af66f686049bbcfc1d63fa65f2f
+0,      30720,      30720,      640,     1280, 7a3d0ca75900f9f60dcf0d39a0231a1f
+0,      31360,      31360,      640,     1280, a4f43e17a7b6591ec436e960c9a8c51d
+0,      32000,      32000,      640,     1280, fe1750270c9a83a0fd2549e34d2931ef
+0,      32640,      32640,      640,     1280, b45cdbddb99fca73108f3b88ba47520d
+0,      33280,      33280,      640,     1280, 5f7d71a3dce9a9b585eed44545461232
+0,      33920,      33920,      640,     1280, a2d02629176000eac033d577a9dd8a3f
+0,      34560,      34560,      640,     1280, b360ac6d1be896bf7b06a00bad87fffc
+0,      35200,      35200,      640,     1280, 0ccfca9e249fa3cd5e84f11bfbb36d31
+0,      35840,      35840,      640,     1280, dadb9af58c7bf36d11141529c5cf47b7
+0,      36480,      36480,      640,     1280, bb93fb805676bad3db700c6ffb158ea4
+0,      37120,      37120,      640,     1280, d1644e28880fa9a72769581bd17a7107
+0,      37760,      37760,      640,     1280, 99ff80b2cea2a66b222a4958b55dbced
+0,      38400,      38400,      640,     1280, 28f3faa3601bb0f86963667054e18369
+0,      39040,      39040,      640,     1280, 4890d2572cf175e621df7ff1a8d8e773
+0,      39680,      39680,      640,     1280, f0ca68514e51098395c39522c497e0c5
+0,      40320,      40320,      640,     1280, c9dfff14163fb732de9bd19b113b89d9
+0,      40960,      40960,      640,     1280, aebfbd84e404f70d2840538c8960a083
+0,      41600,      41600,      640,     1280, 9bd717cb234015d2824ccb342074f97b
+0,      42240,      42240,      640,     1280, 6b437b90005a0bf82920f7aec8831492
+0,      42880,      42880,      640,     1280, 28aaad0bdf4c4abec77237925f159d0a
+0,      43520,      43520,      640,     1280, 021a0b8cd57ea41f0e5bc69b57c8d415
+0,      44160,      44160,      640,     1280, 95bad96686e9ca62b23305f2025db81c
+0,      44800,      44800,      640,     1280, fc4dd31e04f22f046a60cba44d3eeceb
+0,      45440,      45440,      640,     1280, abab1efdf2c6d97ae74e484c8b1414af
+0,      46080,      46080,      640,     1280, 0f5f2d1ea4af8df15110714da8b8e8c1
+0,      46720,      46720,      640,     1280, 5317f8e7153487130e3becfe0e340062
+0,      47360,      47360,      640,     1280, 3429ef08e003a2abc7e312ada94dca04
diff --git a/tests/ref/fate/g726-encode-5bit b/tests/ref/fate/g726-encode-5bit
index c7cd7dd1d9..df302c59b8 100644
--- a/tests/ref/fate/g726-encode-5bit
+++ b/tests/ref/fate/g726-encode-5bit
@@ -7,11 +7,22 @@ 
 #sample_rate 0: 8000
 #channel_layout_name 0: mono
 #stream#, dts,        pts, duration,     size, hash
-0,          0,          0,     6552,    13104, 6fe3f75df1262c5f956887de9c32df40
-0,       6552,       6552,     6552,    13104, f955518de6f61f94253280d11d64d68b
-0,      13104,      13104,     6552,    13104, a3f2db5d35e0d923787b71aa352466de
-0,      19656,      19656,     6552,    13104, 90c41dc1338579e2e19edb811f8d58a9
-0,      26208,      26208,     6552,    13104, 4fbcd13f77e8cc0e61a7c9010e42adf1
-0,      32760,      32760,     6552,    13104, 82ef661e2afc2a1d6996005f17c1618c
-0,      39312,      39312,     6552,    13104, 1f5e9875ddcf88063e4adf910a8f0fa6
-0,      45864,      45864,     2136,     4272, 9a1cdf7ec6b06762047cdb1320d9d32e
+0,          0,          0,     2560,     5120, 06170a9254934525a324074924349d3a
+0,       2560,       2560,     2560,     5120, 339c0468c8e0a0d3d079608830b3b23b
+0,       5120,       5120,     2560,     5120, 94b2ccc80f2039aff2fd1804c5e7d996
+0,       7680,       7680,     2560,     5120, e3e89e128c140745a2f5ed6ec69ad37e
+0,      10240,      10240,     2560,     5120, d8af69a973c181e6f7062b61afd5a985
+0,      12800,      12800,     2560,     5120, cee2dcba6bd8353529b4796906ec2e5c
+0,      15360,      15360,     2560,     5120, 02e92b0f3344f7315016d55b36cf266c
+0,      17920,      17920,     2560,     5120, 8066f26d873a430ec65db62825f4018c
+0,      20480,      20480,     2560,     5120, dbe8b0d94fdb09863ff3a87bba31d0af
+0,      23040,      23040,     2560,     5120, 98322fa4637040c9245e1efe99c61ee6
+0,      25600,      25600,     2560,     5120, a20e98da03e04fb3f3336a1a1a9a3418
+0,      28160,      28160,     2560,     5120, 20fc201028fc27c858a3a2acb92d56f2
+0,      30720,      30720,     2560,     5120, 7ba1a3f12de057cb76576786c833788c
+0,      33280,      33280,     2560,     5120, 3317a89c362622d5aa3c67e0ddb42af4
+0,      35840,      35840,     2560,     5120, f8f858ef398e866b2a3b2f3de76b7122
+0,      38400,      38400,     2560,     5120, a600439cafbdb78f64b447b54fce6cad
+0,      40960,      40960,     2560,     5120, d78f318a6d9c070ee999f7e3f6854c21
+0,      43520,      43520,     2560,     5120, bf241d6d92f0899903922a37a2646fa4
+0,      46080,      46080,     1920,     3840, c97e94c2ff8358c12803eb1a004ed633
diff --git a/tests/ref/fate/matroska-move-cues-to-front b/tests/ref/fate/matroska-move-cues-to-front
index 1deacaa370..aef36c423b 100644
--- a/tests/ref/fate/matroska-move-cues-to-front
+++ b/tests/ref/fate/matroska-move-cues-to-front
@@ -1,5 +1,5 @@ 
-4ca0bdb5636523c3e43b9dbf692ae21c *tests/data/fate/matroska-move-cues-to-front.matroska
-23210293 tests/data/fate/matroska-move-cues-to-front.matroska
+96e544691ecaeb5c49fcbd9351e47af8 *tests/data/fate/matroska-move-cues-to-front.matroska
+23147910 tests/data/fate/matroska-move-cues-to-front.matroska
 #tb 0: 1/1000
 #media_type 0: audio
 #codec_id 0: pcm_s24be
@@ -10,61 +10,41 @@ 
 #codec_id 1: pcm_s24le
 #sample_rate 1: 192000
 #channel_layout_name 1: stereo
-0,          0,          0,        3,     4092, 0x71f10ea0
-1,          0,          0,        3,     4092, 0xa6320ea0
-0,          4,          4,        3,     4092, 0x51852317
-1,          4,          4,        3,     4092, 0x27732317
-0,          7,          7,        3,     4092, 0xc8e2693d
-1,          7,          7,        3,     4092, 0x5899693d
-0,         11,         11,        3,     4092, 0x8df13008
-1,         11,         11,        3,     4092, 0x6fa63008
-0,         14,         14,        3,     4092, 0xc56bdf7f
-1,         14,         14,        3,     4092, 0x22b0df7f
-0,         18,         18,        3,     4092, 0x4ac2c0f9
-1,         18,         18,        3,     4092, 0x5512c0f9
-0,         21,         21,        3,     4092, 0x11a50650
-1,         21,         21,        3,     4092, 0x11b90650
-0,         25,         25,        3,     4092, 0x0a3837f4
-1,         25,         25,        3,     4092, 0x9cb537f4
-0,         28,         28,        3,     4092, 0xff0a3ce7
-1,         28,         28,        3,     4092, 0x7d1a3ce7
-0,         32,         32,        3,     4092, 0x42d2c983
-1,         32,         32,        3,     4092, 0x0f56c983
-0,         36,         36,        3,     4092, 0x2adbf4ea
-1,         36,         36,        3,     4092, 0x386bf4ea
-0,         39,         39,        3,     4092, 0x86d4f0a5
-1,         39,         39,        3,     4092, 0x5924f0a5
-0,         43,         43,        3,     4092, 0x5f35d5f7
-1,         43,         43,        3,     4092, 0x565fd5f7
-0,         46,         46,        3,     4092, 0xd3f27234
-1,         46,         46,        3,     4092, 0x4d197234
-0,         50,         50,        3,     4092, 0xb3a97ff5
-1,         50,         50,        3,     4092, 0x61e67ff5
-0,         53,         53,        3,     4092, 0xce30e2ba
-1,         53,         53,        3,     4092, 0xe65de2ba
-0,         57,         57,        3,     4092, 0x3d482d44
-1,         57,         57,        3,     4092, 0xf85b2d44
-0,         60,         60,        3,     4092, 0x691d161c
-1,         60,         60,        3,     4092, 0x3b01161c
-0,         64,         64,        3,     4092, 0xe6b93525
-1,         64,         64,        3,     4092, 0xdd4e3525
-0,         67,         67,        3,     4092, 0x9ce3f785
-1,         67,         67,        3,     4092, 0x8a28f785
-0,         71,         71,        3,     4092, 0x688fc452
-1,         71,         71,        3,     4092, 0x8c5ec452
-0,         75,         75,        3,     4092, 0x400cf87e
-1,         75,         75,        3,     4092, 0x1e64f87e
-0,         78,         78,        3,     4092, 0x49baa923
-1,         78,         78,        3,     4092, 0x68d9a923
-0,         82,         82,        3,     4092, 0x4df27658
-1,         82,         82,        3,     4092, 0x38d77658
-0,         85,         85,        3,     4092, 0xdfebf0e7
-1,         85,         85,        3,     4092, 0xab2cf0e7
-0,         89,         89,        3,     4092, 0x69d2f76c
-1,         89,         89,        3,     4092, 0x35b9f76c
-0,         92,         92,        3,     4092, 0x877b89d3
-1,         92,         92,        3,     4092, 0xcc4889d3
-0,         96,         96,        3,     4092, 0x70035443
-1,         96,         96,        3,     4092, 0x04825443
-0,         99,         99,        3,     4092, 0x30135036
-1,         99,         99,        3,     4092, 0x4fba5036
+0,          0,          0,        5,     6144, 0x0afd2eda
+1,          0,          0,        5,     6144, 0x1f592eda
+0,          5,          5,        5,     6144, 0xd5e16fb3
+1,          5,          5,        5,     6144, 0x5c796fb3
+0,         11,         11,        5,     6144, 0xf0341c51
+1,         11,         11,        5,     6144, 0x22fc1c51
+0,         16,         16,        5,     6144, 0x444ebbe2
+1,         16,         16,        5,     6144, 0x5856bbe2
+0,         21,         21,        5,     6144, 0x03f10fa9
+1,         21,         21,        5,     6144, 0x022d0fa9
+0,         27,         27,        5,     6144, 0x153c7242
+1,         27,         27,        5,     6144, 0x2a1d7242
+0,         32,         32,        5,     6144, 0x23c5c2ce
+1,         32,         32,        5,     6144, 0xf37ec2ce
+0,         37,         37,        5,     6144, 0xea76f227
+1,         37,         37,        5,     6144, 0xc5f6f227
+0,         43,         43,        5,     6144, 0x1bf8d257
+1,         43,         43,        5,     6144, 0x1a84d257
+0,         48,         48,        5,     6144, 0xbf3bf14c
+1,         48,         48,        5,     6144, 0xe788f14c
+0,         53,         53,        5,     6144, 0x1d32dad7
+1,         53,         53,        5,     6144, 0x0d65dad7
+0,         59,         59,        5,     6144, 0x2e4963b5
+1,         59,         59,        5,     6144, 0xd92c63b5
+0,         64,         64,        5,     6144, 0x9e011e0d
+1,         64,         64,        5,     6144, 0xa8121e0d
+0,         69,         69,        5,     6144, 0x2177e43b
+1,         69,         69,        5,     6144, 0x0703e43b
+0,         75,         75,        5,     6144, 0xafc63815
+1,         75,         75,        5,     6144, 0x3c0c3815
+0,         80,         80,        5,     6144, 0xab1af266
+1,         80,         80,        5,     6144, 0x063ff266
+0,         85,         85,        5,     6144, 0xf4c77215
+1,         85,         85,        5,     6144, 0x284e7215
+0,         91,         91,        5,     6144, 0x584cf52e
+1,         91,         91,        5,     6144, 0x0b11f52e
+0,         96,         96,        5,     6144, 0x9f7e22b5
+1,         96,         96,        5,     6144, 0x35c622b5
diff --git a/tests/ref/fate/mov-channel-description b/tests/ref/fate/mov-channel-description
index 21b2e11406..fc1c1509ea 100644
--- a/tests/ref/fate/mov-channel-description
+++ b/tests/ref/fate/mov-channel-description
@@ -1,5 +1,5 @@ 
-497848e1bc5c9dcd416124b6f739d733 *tests/data/fate/mov-channel-description.mov
-4242044 tests/data/fate/mov-channel-description.mov
+cef306a5fa3bf45bcf174558d8ee6669 *tests/data/fate/mov-channel-description.mov
+4246172 tests/data/fate/mov-channel-description.mov
 #tb 0: 1/44100
 #media_type 0: audio
 #codec_id 0: pcm_s16le
diff --git a/tests/ref/fate/mov-mp4-pcm b/tests/ref/fate/mov-mp4-pcm
index b34f5e59e1..a40d16d3ac 100644
--- a/tests/ref/fate/mov-mp4-pcm
+++ b/tests/ref/fate/mov-mp4-pcm
@@ -1,5 +1,5 @@ 
-1573ecbd24a65a6ec23ef08a861614b3 *tests/data/fate/mov-mp4-pcm.mp4
-10589277 tests/data/fate/mov-mp4-pcm.mp4
+46624ccfca227727705222687cd90000 *tests/data/fate/mov-mp4-pcm.mp4
+10591857 tests/data/fate/mov-mp4-pcm.mp4
 #tb 0: 1/44100
 #media_type 0: audio
 #codec_id 0: pcm_s16le
diff --git a/tests/ref/fate/mov-mp4-pcm-float b/tests/ref/fate/mov-mp4-pcm-float
index 7da8fd2aba..16c51e4324 100644
--- a/tests/ref/fate/mov-mp4-pcm-float
+++ b/tests/ref/fate/mov-mp4-pcm-float
@@ -1,4 +1,4 @@ 
-7b998e652d5b7154e646a98bd2bf28a1 *tests/data/fate/mov-mp4-pcm-float.mp4
+d9e7439757350ddb75d309918caf2de5 *tests/data/fate/mov-mp4-pcm-float.mp4
 3175929 tests/data/fate/mov-mp4-pcm-float.mp4
 #tb 0: 1/44100
 #media_type 0: audio
diff --git a/tests/ref/seek/acodec-pcm-alaw b/tests/ref/seek/acodec-pcm-alaw
index e5466bd2d3..3f9e91de1e 100644
--- a/tests/ref/seek/acodec-pcm-alaw
+++ b/tests/ref/seek/acodec-pcm-alaw
@@ -1,53 +1,53 @@ 
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  2048
 ret: 0         st:-1 flags:0  ts:-1.000000
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  2048
 ret: 0         st:-1 flags:1  ts: 1.894167
-ret: 0         st: 0 flags:1 dts: 1.894172 pts: 1.894172 pos: 167124 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.894172 pts: 1.894172 pos: 167124 size:  2048
 ret: 0         st: 0 flags:0  ts: 0.788345
-ret: 0         st: 0 flags:1 dts: 0.788345 pts: 0.788345 pos:  69590 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.788345 pts: 0.788345 pos:  69590 size:  2048
 ret: 0         st: 0 flags:1  ts:-0.317506
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  2048
 ret: 0         st:-1 flags:0  ts: 2.576668
-ret: 0         st: 0 flags:1 dts: 2.576667 pts: 2.576667 pos: 227320 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.576667 pts: 2.576667 pos: 227320 size:  2048
 ret: 0         st:-1 flags:1  ts: 1.470835
-ret: 0         st: 0 flags:1 dts: 1.470839 pts: 1.470839 pos: 129786 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.470839 pts: 1.470839 pos: 129786 size:  2048
 ret: 0         st: 0 flags:0  ts: 0.365011
-ret: 0         st: 0 flags:1 dts: 0.365011 pts: 0.365011 pos:  32252 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.365011 pts: 0.365011 pos:  32252 size:  2048
 ret: 0         st: 0 flags:1  ts:-0.740839
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  2048
 ret: 0         st:-1 flags:0  ts: 2.153336
-ret: 0         st: 0 flags:1 dts: 2.153333 pts: 2.153333 pos: 189982 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.153333 pts: 2.153333 pos: 189982 size:  2048
 ret: 0         st:-1 flags:1  ts: 1.047503
-ret: 0         st: 0 flags:1 dts: 1.047506 pts: 1.047506 pos:  92448 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.047506 pts: 1.047506 pos:  92448 size:  2048
 ret: 0         st: 0 flags:0  ts:-0.058322
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  2048
 ret: 0         st: 0 flags:1  ts: 2.835828
-ret: 0         st: 0 flags:1 dts: 2.835828 pts: 2.835828 pos: 250178 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.835828 pts: 2.835828 pos: 250178 size:  2048
 ret: 0         st:-1 flags:0  ts: 1.730004
-ret: 0         st: 0 flags:1 dts: 1.730000 pts: 1.730000 pos: 152644 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.730000 pts: 1.730000 pos: 152644 size:  2048
 ret: 0         st:-1 flags:1  ts: 0.624171
-ret: 0         st: 0 flags:1 dts: 0.624172 pts: 0.624172 pos:  55110 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.624172 pts: 0.624172 pos:  55110 size:  2048
 ret: 0         st: 0 flags:0  ts:-0.481655
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  2048
 ret: 0         st: 0 flags:1  ts: 2.412494
-ret: 0         st: 0 flags:1 dts: 2.412494 pts: 2.412494 pos: 212840 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.412494 pts: 2.412494 pos: 212840 size:  2048
 ret: 0         st:-1 flags:0  ts: 1.306672
-ret: 0         st: 0 flags:1 dts: 1.306667 pts: 1.306667 pos: 115306 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.306667 pts: 1.306667 pos: 115306 size:  2048
 ret: 0         st:-1 flags:1  ts: 0.200839
-ret: 0         st: 0 flags:1 dts: 0.200839 pts: 0.200839 pos:  17772 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.200839 pts: 0.200839 pos:  17772 size:  2048
 ret: 0         st: 0 flags:0  ts:-0.904989
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  2048
 ret: 0         st: 0 flags:1  ts: 1.989184
-ret: 0         st: 0 flags:1 dts: 1.989184 pts: 1.989184 pos: 175504 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.989184 pts: 1.989184 pos: 175504 size:  2048
 ret: 0         st:-1 flags:0  ts: 0.883340
-ret: 0         st: 0 flags:1 dts: 0.883333 pts: 0.883333 pos:  77968 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.883333 pts: 0.883333 pos:  77968 size:  2048
 ret: 0         st:-1 flags:1  ts:-0.222493
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  2048
 ret: 0         st: 0 flags:0  ts: 2.671678
-ret: 0         st: 0 flags:1 dts: 2.671678 pts: 2.671678 pos: 235700 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.671678 pts: 2.671678 pos: 235700 size:  2048
 ret: 0         st: 0 flags:1  ts: 1.565850
-ret: 0         st: 0 flags:1 dts: 1.565850 pts: 1.565850 pos: 138166 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.565850 pts: 1.565850 pos: 138166 size:  2048
 ret: 0         st:-1 flags:0  ts: 0.460008
-ret: 0         st: 0 flags:1 dts: 0.460000 pts: 0.460000 pos:  40630 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.460000 pts: 0.460000 pos:  40630 size:  2048
 ret: 0         st:-1 flags:1  ts:-0.645825
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  2048
diff --git a/tests/ref/seek/acodec-pcm-f32le b/tests/ref/seek/acodec-pcm-f32le
index 0b6bb33bcb..0a16dd2fa8 100644
--- a/tests/ref/seek/acodec-pcm-f32le
+++ b/tests/ref/seek/acodec-pcm-f32le
@@ -1,53 +1,53 @@ 
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  8192
 ret: 0         st:-1 flags:0  ts:-1.000000
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  8192
 ret: 0         st:-1 flags:1  ts: 1.894167
-ret: 0         st: 0 flags:1 dts: 1.894172 pts: 1.894172 pos: 668322 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.894172 pts: 1.894172 pos: 668322 size:  8192
 ret: 0         st: 0 flags:0  ts: 0.788345
-ret: 0         st: 0 flags:1 dts: 0.788345 pts: 0.788345 pos: 278186 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.788345 pts: 0.788345 pos: 278186 size:  8192
 ret: 0         st: 0 flags:1  ts:-0.317506
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  8192
 ret: 0         st:-1 flags:0  ts: 2.576668
-ret: 0         st: 0 flags:1 dts: 2.576667 pts: 2.576667 pos: 909106 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.576667 pts: 2.576667 pos: 909106 size:  8192
 ret: 0         st:-1 flags:1  ts: 1.470835
-ret: 0         st: 0 flags:1 dts: 1.470839 pts: 1.470839 pos: 518970 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.470839 pts: 1.470839 pos: 518970 size:  8192
 ret: 0         st: 0 flags:0  ts: 0.365011
-ret: 0         st: 0 flags:1 dts: 0.365011 pts: 0.365011 pos: 128834 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.365011 pts: 0.365011 pos: 128834 size:  8192
 ret: 0         st: 0 flags:1  ts:-0.740839
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  8192
 ret: 0         st:-1 flags:0  ts: 2.153336
-ret: 0         st: 0 flags:1 dts: 2.153333 pts: 2.153333 pos: 759754 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.153333 pts: 2.153333 pos: 759754 size:  8192
 ret: 0         st:-1 flags:1  ts: 1.047503
-ret: 0         st: 0 flags:1 dts: 1.047506 pts: 1.047506 pos: 369618 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.047506 pts: 1.047506 pos: 369618 size:  8192
 ret: 0         st: 0 flags:0  ts:-0.058322
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  8192
 ret: 0         st: 0 flags:1  ts: 2.835828
-ret: 0         st: 0 flags:1 dts: 2.835828 pts: 2.835828 pos:1000538 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.835828 pts: 2.835828 pos:1000538 size:  8192
 ret: 0         st:-1 flags:0  ts: 1.730004
-ret: 0         st: 0 flags:1 dts: 1.730000 pts: 1.730000 pos: 610402 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.730000 pts: 1.730000 pos: 610402 size:  8192
 ret: 0         st:-1 flags:1  ts: 0.624171
-ret: 0         st: 0 flags:1 dts: 0.624172 pts: 0.624172 pos: 220266 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.624172 pts: 0.624172 pos: 220266 size:  8192
 ret: 0         st: 0 flags:0  ts:-0.481655
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  8192
 ret: 0         st: 0 flags:1  ts: 2.412494
-ret: 0         st: 0 flags:1 dts: 2.412494 pts: 2.412494 pos: 851186 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.412494 pts: 2.412494 pos: 851186 size:  8192
 ret: 0         st:-1 flags:0  ts: 1.306672
-ret: 0         st: 0 flags:1 dts: 1.306667 pts: 1.306667 pos: 461050 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.306667 pts: 1.306667 pos: 461050 size:  8192
 ret: 0         st:-1 flags:1  ts: 0.200839
-ret: 0         st: 0 flags:1 dts: 0.200839 pts: 0.200839 pos:  70914 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.200839 pts: 0.200839 pos:  70914 size:  8192
 ret: 0         st: 0 flags:0  ts:-0.904989
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  8192
 ret: 0         st: 0 flags:1  ts: 1.989184
-ret: 0         st: 0 flags:1 dts: 1.989184 pts: 1.989184 pos: 701842 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.989184 pts: 1.989184 pos: 701842 size:  8192
 ret: 0         st:-1 flags:0  ts: 0.883340
-ret: 0         st: 0 flags:1 dts: 0.883333 pts: 0.883333 pos: 311698 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.883333 pts: 0.883333 pos: 311698 size:  8192
 ret: 0         st:-1 flags:1  ts:-0.222493
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  8192
 ret: 0         st: 0 flags:0  ts: 2.671678
-ret: 0         st: 0 flags:1 dts: 2.671678 pts: 2.671678 pos: 942626 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.671678 pts: 2.671678 pos: 942626 size:  8192
 ret: 0         st: 0 flags:1  ts: 1.565850
-ret: 0         st: 0 flags:1 dts: 1.565850 pts: 1.565850 pos: 552490 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.565850 pts: 1.565850 pos: 552490 size:  8192
 ret: 0         st:-1 flags:0  ts: 0.460008
-ret: 0         st: 0 flags:1 dts: 0.460000 pts: 0.460000 pos: 162346 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.460000 pts: 0.460000 pos: 162346 size:  8192
 ret: 0         st:-1 flags:1  ts:-0.645825
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  8192
diff --git a/tests/ref/seek/acodec-pcm-f64le b/tests/ref/seek/acodec-pcm-f64le
index 1366de3f65..8ec1a71c08 100644
--- a/tests/ref/seek/acodec-pcm-f64le
+++ b/tests/ref/seek/acodec-pcm-f64le
@@ -1,53 +1,53 @@ 
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size: 16384
 ret: 0         st:-1 flags:0  ts:-1.000000
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size: 16384
 ret: 0         st:-1 flags:1  ts: 1.894167
-ret: 0         st: 0 flags:1 dts: 1.894172 pts: 1.894172 pos:1336586 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.894172 pts: 1.894172 pos:1336586 size: 16384
 ret: 0         st: 0 flags:0  ts: 0.788345
-ret: 0         st: 0 flags:1 dts: 0.788345 pts: 0.788345 pos: 556314 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.788345 pts: 0.788345 pos: 556314 size: 16384
 ret: 0         st: 0 flags:1  ts:-0.317506
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size: 16384
 ret: 0         st:-1 flags:0  ts: 2.576668
-ret: 0         st: 0 flags:1 dts: 2.576667 pts: 2.576667 pos:1818154 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.576667 pts: 2.576667 pos:1818154 size: 16384
 ret: 0         st:-1 flags:1  ts: 1.470835
-ret: 0         st: 0 flags:1 dts: 1.470839 pts: 1.470839 pos:1037882 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.470839 pts: 1.470839 pos:1037882 size: 16384
 ret: 0         st: 0 flags:0  ts: 0.365011
-ret: 0         st: 0 flags:1 dts: 0.365011 pts: 0.365011 pos: 257610 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.365011 pts: 0.365011 pos: 257610 size: 16384
 ret: 0         st: 0 flags:1  ts:-0.740839
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size: 16384
 ret: 0         st:-1 flags:0  ts: 2.153336
-ret: 0         st: 0 flags:1 dts: 2.153333 pts: 2.153333 pos:1519450 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.153333 pts: 2.153333 pos:1519450 size: 16384
 ret: 0         st:-1 flags:1  ts: 1.047503
-ret: 0         st: 0 flags:1 dts: 1.047506 pts: 1.047506 pos: 739178 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.047506 pts: 1.047506 pos: 739178 size: 16384
 ret: 0         st: 0 flags:0  ts:-0.058322
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size: 16384
 ret: 0         st: 0 flags:1  ts: 2.835828
-ret: 0         st: 0 flags:1 dts: 2.835828 pts: 2.835828 pos:2001018 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.835828 pts: 2.835828 pos:2001018 size: 16384
 ret: 0         st:-1 flags:0  ts: 1.730004
-ret: 0         st: 0 flags:1 dts: 1.730000 pts: 1.730000 pos:1220746 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.730000 pts: 1.730000 pos:1220746 size: 16384
 ret: 0         st:-1 flags:1  ts: 0.624171
-ret: 0         st: 0 flags:1 dts: 0.624172 pts: 0.624172 pos: 440474 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.624172 pts: 0.624172 pos: 440474 size: 16384
 ret: 0         st: 0 flags:0  ts:-0.481655
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size: 16384
 ret: 0         st: 0 flags:1  ts: 2.412494
-ret: 0         st: 0 flags:1 dts: 2.412494 pts: 2.412494 pos:1702314 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.412494 pts: 2.412494 pos:1702314 size: 16384
 ret: 0         st:-1 flags:0  ts: 1.306672
-ret: 0         st: 0 flags:1 dts: 1.306667 pts: 1.306667 pos: 922042 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.306667 pts: 1.306667 pos: 922042 size: 16384
 ret: 0         st:-1 flags:1  ts: 0.200839
-ret: 0         st: 0 flags:1 dts: 0.200839 pts: 0.200839 pos: 141770 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.200839 pts: 0.200839 pos: 141770 size: 16384
 ret: 0         st: 0 flags:0  ts:-0.904989
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size: 16384
 ret: 0         st: 0 flags:1  ts: 1.989184
-ret: 0         st: 0 flags:1 dts: 1.989184 pts: 1.989184 pos:1403626 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.989184 pts: 1.989184 pos:1403626 size: 16384
 ret: 0         st:-1 flags:0  ts: 0.883340
-ret: 0         st: 0 flags:1 dts: 0.883333 pts: 0.883333 pos: 623338 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.883333 pts: 0.883333 pos: 623338 size: 16384
 ret: 0         st:-1 flags:1  ts:-0.222493
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size: 16384
 ret: 0         st: 0 flags:0  ts: 2.671678
-ret: 0         st: 0 flags:1 dts: 2.671678 pts: 2.671678 pos:1885194 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.671678 pts: 2.671678 pos:1885194 size: 16384
 ret: 0         st: 0 flags:1  ts: 1.565850
-ret: 0         st: 0 flags:1 dts: 1.565850 pts: 1.565850 pos:1104922 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.565850 pts: 1.565850 pos:1104922 size: 16384
 ret: 0         st:-1 flags:0  ts: 0.460008
-ret: 0         st: 0 flags:1 dts: 0.460000 pts: 0.460000 pos: 324634 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.460000 pts: 0.460000 pos: 324634 size: 16384
 ret: 0         st:-1 flags:1  ts:-0.645825
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size: 16384
diff --git a/tests/ref/seek/acodec-pcm-mulaw b/tests/ref/seek/acodec-pcm-mulaw
index e5466bd2d3..3f9e91de1e 100644
--- a/tests/ref/seek/acodec-pcm-mulaw
+++ b/tests/ref/seek/acodec-pcm-mulaw
@@ -1,53 +1,53 @@ 
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  2048
 ret: 0         st:-1 flags:0  ts:-1.000000
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  2048
 ret: 0         st:-1 flags:1  ts: 1.894167
-ret: 0         st: 0 flags:1 dts: 1.894172 pts: 1.894172 pos: 167124 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.894172 pts: 1.894172 pos: 167124 size:  2048
 ret: 0         st: 0 flags:0  ts: 0.788345
-ret: 0         st: 0 flags:1 dts: 0.788345 pts: 0.788345 pos:  69590 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.788345 pts: 0.788345 pos:  69590 size:  2048
 ret: 0         st: 0 flags:1  ts:-0.317506
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  2048
 ret: 0         st:-1 flags:0  ts: 2.576668
-ret: 0         st: 0 flags:1 dts: 2.576667 pts: 2.576667 pos: 227320 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.576667 pts: 2.576667 pos: 227320 size:  2048
 ret: 0         st:-1 flags:1  ts: 1.470835
-ret: 0         st: 0 flags:1 dts: 1.470839 pts: 1.470839 pos: 129786 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.470839 pts: 1.470839 pos: 129786 size:  2048
 ret: 0         st: 0 flags:0  ts: 0.365011
-ret: 0         st: 0 flags:1 dts: 0.365011 pts: 0.365011 pos:  32252 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.365011 pts: 0.365011 pos:  32252 size:  2048
 ret: 0         st: 0 flags:1  ts:-0.740839
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  2048
 ret: 0         st:-1 flags:0  ts: 2.153336
-ret: 0         st: 0 flags:1 dts: 2.153333 pts: 2.153333 pos: 189982 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.153333 pts: 2.153333 pos: 189982 size:  2048
 ret: 0         st:-1 flags:1  ts: 1.047503
-ret: 0         st: 0 flags:1 dts: 1.047506 pts: 1.047506 pos:  92448 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.047506 pts: 1.047506 pos:  92448 size:  2048
 ret: 0         st: 0 flags:0  ts:-0.058322
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  2048
 ret: 0         st: 0 flags:1  ts: 2.835828
-ret: 0         st: 0 flags:1 dts: 2.835828 pts: 2.835828 pos: 250178 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.835828 pts: 2.835828 pos: 250178 size:  2048
 ret: 0         st:-1 flags:0  ts: 1.730004
-ret: 0         st: 0 flags:1 dts: 1.730000 pts: 1.730000 pos: 152644 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.730000 pts: 1.730000 pos: 152644 size:  2048
 ret: 0         st:-1 flags:1  ts: 0.624171
-ret: 0         st: 0 flags:1 dts: 0.624172 pts: 0.624172 pos:  55110 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.624172 pts: 0.624172 pos:  55110 size:  2048
 ret: 0         st: 0 flags:0  ts:-0.481655
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  2048
 ret: 0         st: 0 flags:1  ts: 2.412494
-ret: 0         st: 0 flags:1 dts: 2.412494 pts: 2.412494 pos: 212840 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.412494 pts: 2.412494 pos: 212840 size:  2048
 ret: 0         st:-1 flags:0  ts: 1.306672
-ret: 0         st: 0 flags:1 dts: 1.306667 pts: 1.306667 pos: 115306 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.306667 pts: 1.306667 pos: 115306 size:  2048
 ret: 0         st:-1 flags:1  ts: 0.200839
-ret: 0         st: 0 flags:1 dts: 0.200839 pts: 0.200839 pos:  17772 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.200839 pts: 0.200839 pos:  17772 size:  2048
 ret: 0         st: 0 flags:0  ts:-0.904989
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  2048
 ret: 0         st: 0 flags:1  ts: 1.989184
-ret: 0         st: 0 flags:1 dts: 1.989184 pts: 1.989184 pos: 175504 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.989184 pts: 1.989184 pos: 175504 size:  2048
 ret: 0         st:-1 flags:0  ts: 0.883340
-ret: 0         st: 0 flags:1 dts: 0.883333 pts: 0.883333 pos:  77968 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.883333 pts: 0.883333 pos:  77968 size:  2048
 ret: 0         st:-1 flags:1  ts:-0.222493
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  2048
 ret: 0         st: 0 flags:0  ts: 2.671678
-ret: 0         st: 0 flags:1 dts: 2.671678 pts: 2.671678 pos: 235700 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.671678 pts: 2.671678 pos: 235700 size:  2048
 ret: 0         st: 0 flags:1  ts: 1.565850
-ret: 0         st: 0 flags:1 dts: 1.565850 pts: 1.565850 pos: 138166 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.565850 pts: 1.565850 pos: 138166 size:  2048
 ret: 0         st:-1 flags:0  ts: 0.460008
-ret: 0         st: 0 flags:1 dts: 0.460000 pts: 0.460000 pos:  40630 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.460000 pts: 0.460000 pos:  40630 size:  2048
 ret: 0         st:-1 flags:1  ts:-0.645825
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  2048
diff --git a/tests/ref/seek/acodec-pcm-s24le b/tests/ref/seek/acodec-pcm-s24le
index c6a37f8323..ab57765a69 100644
--- a/tests/ref/seek/acodec-pcm-s24le
+++ b/tests/ref/seek/acodec-pcm-s24le
@@ -1,53 +1,53 @@ 
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  4092
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  6144
 ret: 0         st:-1 flags:0  ts:-1.000000
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  4092
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  6144
 ret: 0         st:-1 flags:1  ts: 1.894167
-ret: 0         st: 0 flags:1 dts: 1.894172 pts: 1.894172 pos: 501266 size:  4092
+ret: 0         st: 0 flags:1 dts: 1.894172 pts: 1.894172 pos: 501266 size:  6144
 ret: 0         st: 0 flags:0  ts: 0.788345
-ret: 0         st: 0 flags:1 dts: 0.788345 pts: 0.788345 pos: 208664 size:  4092
+ret: 0         st: 0 flags:1 dts: 0.788345 pts: 0.788345 pos: 208664 size:  6144
 ret: 0         st: 0 flags:1  ts:-0.317506
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  4092
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  6144
 ret: 0         st:-1 flags:0  ts: 2.576668
-ret: 0         st: 0 flags:1 dts: 2.576667 pts: 2.576667 pos: 681854 size:  4092
+ret: 0         st: 0 flags:1 dts: 2.576667 pts: 2.576667 pos: 681854 size:  6144
 ret: 0         st:-1 flags:1  ts: 1.470835
-ret: 0         st: 0 flags:1 dts: 1.470839 pts: 1.470839 pos: 389252 size:  4092
+ret: 0         st: 0 flags:1 dts: 1.470839 pts: 1.470839 pos: 389252 size:  6144
 ret: 0         st: 0 flags:0  ts: 0.365011
-ret: 0         st: 0 flags:1 dts: 0.365011 pts: 0.365011 pos:  96650 size:  4092
+ret: 0         st: 0 flags:1 dts: 0.365011 pts: 0.365011 pos:  96650 size:  6144
 ret: 0         st: 0 flags:1  ts:-0.740839
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  4092
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  6144
 ret: 0         st:-1 flags:0  ts: 2.153336
-ret: 0         st: 0 flags:1 dts: 2.153333 pts: 2.153333 pos: 569840 size:  4092
+ret: 0         st: 0 flags:1 dts: 2.153333 pts: 2.153333 pos: 569840 size:  6144
 ret: 0         st:-1 flags:1  ts: 1.047503
-ret: 0         st: 0 flags:1 dts: 1.047506 pts: 1.047506 pos: 277238 size:  4092
+ret: 0         st: 0 flags:1 dts: 1.047506 pts: 1.047506 pos: 277238 size:  6144
 ret: 0         st: 0 flags:0  ts:-0.058322
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  4092
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  6144
 ret: 0         st: 0 flags:1  ts: 2.835828
-ret: 0         st: 0 flags:1 dts: 2.835828 pts: 2.835828 pos: 750428 size:  4092
+ret: 0         st: 0 flags:1 dts: 2.835828 pts: 2.835828 pos: 750428 size:  6144
 ret: 0         st:-1 flags:0  ts: 1.730004
-ret: 0         st: 0 flags:1 dts: 1.730000 pts: 1.730000 pos: 457826 size:  4092
+ret: 0         st: 0 flags:1 dts: 1.730000 pts: 1.730000 pos: 457826 size:  6144
 ret: 0         st:-1 flags:1  ts: 0.624171
-ret: 0         st: 0 flags:1 dts: 0.624172 pts: 0.624172 pos: 165224 size:  4092
+ret: 0         st: 0 flags:1 dts: 0.624172 pts: 0.624172 pos: 165224 size:  6144
 ret: 0         st: 0 flags:0  ts:-0.481655
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  4092
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  6144
 ret: 0         st: 0 flags:1  ts: 2.412494
-ret: 0         st: 0 flags:1 dts: 2.412494 pts: 2.412494 pos: 638414 size:  4092
+ret: 0         st: 0 flags:1 dts: 2.412494 pts: 2.412494 pos: 638414 size:  6144
 ret: 0         st:-1 flags:0  ts: 1.306672
-ret: 0         st: 0 flags:1 dts: 1.306667 pts: 1.306667 pos: 345812 size:  4092
+ret: 0         st: 0 flags:1 dts: 1.306667 pts: 1.306667 pos: 345812 size:  6144
 ret: 0         st:-1 flags:1  ts: 0.200839
-ret: 0         st: 0 flags:1 dts: 0.200839 pts: 0.200839 pos:  53210 size:  4092
+ret: 0         st: 0 flags:1 dts: 0.200839 pts: 0.200839 pos:  53210 size:  6144
 ret: 0         st: 0 flags:0  ts:-0.904989
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  4092
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  6144
 ret: 0         st: 0 flags:1  ts: 1.989184
-ret: 0         st: 0 flags:1 dts: 1.989184 pts: 1.989184 pos: 526406 size:  4092
+ret: 0         st: 0 flags:1 dts: 1.989184 pts: 1.989184 pos: 526406 size:  6144
 ret: 0         st:-1 flags:0  ts: 0.883340
-ret: 0         st: 0 flags:1 dts: 0.883333 pts: 0.883333 pos: 233798 size:  4092
+ret: 0         st: 0 flags:1 dts: 0.883333 pts: 0.883333 pos: 233798 size:  6144
 ret: 0         st:-1 flags:1  ts:-0.222493
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  4092
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  6144
 ret: 0         st: 0 flags:0  ts: 2.671678
-ret: 0         st: 0 flags:1 dts: 2.671678 pts: 2.671678 pos: 706994 size:  4092
+ret: 0         st: 0 flags:1 dts: 2.671678 pts: 2.671678 pos: 706994 size:  6144
 ret: 0         st: 0 flags:1  ts: 1.565850
-ret: 0         st: 0 flags:1 dts: 1.565850 pts: 1.565850 pos: 414392 size:  4092
+ret: 0         st: 0 flags:1 dts: 1.565850 pts: 1.565850 pos: 414392 size:  6144
 ret: 0         st:-1 flags:0  ts: 0.460008
-ret: 0         st: 0 flags:1 dts: 0.460000 pts: 0.460000 pos: 121784 size:  4092
+ret: 0         st: 0 flags:1 dts: 0.460000 pts: 0.460000 pos: 121784 size:  6144
 ret: 0         st:-1 flags:1  ts:-0.645825
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  4092
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  6144
diff --git a/tests/ref/seek/acodec-pcm-s32le b/tests/ref/seek/acodec-pcm-s32le
index df85b2d628..66d79ca7d2 100644
--- a/tests/ref/seek/acodec-pcm-s32le
+++ b/tests/ref/seek/acodec-pcm-s32le
@@ -1,53 +1,53 @@ 
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  8192
 ret: 0         st:-1 flags:0  ts:-1.000000
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  8192
 ret: 0         st:-1 flags:1  ts: 1.894167
-ret: 0         st: 0 flags:1 dts: 1.894172 pts: 1.894172 pos: 668332 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.894172 pts: 1.894172 pos: 668332 size:  8192
 ret: 0         st: 0 flags:0  ts: 0.788345
-ret: 0         st: 0 flags:1 dts: 0.788345 pts: 0.788345 pos: 278196 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.788345 pts: 0.788345 pos: 278196 size:  8192
 ret: 0         st: 0 flags:1  ts:-0.317506
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  8192
 ret: 0         st:-1 flags:0  ts: 2.576668
-ret: 0         st: 0 flags:1 dts: 2.576667 pts: 2.576667 pos: 909116 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.576667 pts: 2.576667 pos: 909116 size:  8192
 ret: 0         st:-1 flags:1  ts: 1.470835
-ret: 0         st: 0 flags:1 dts: 1.470839 pts: 1.470839 pos: 518980 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.470839 pts: 1.470839 pos: 518980 size:  8192
 ret: 0         st: 0 flags:0  ts: 0.365011
-ret: 0         st: 0 flags:1 dts: 0.365011 pts: 0.365011 pos: 128844 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.365011 pts: 0.365011 pos: 128844 size:  8192
 ret: 0         st: 0 flags:1  ts:-0.740839
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  8192
 ret: 0         st:-1 flags:0  ts: 2.153336
-ret: 0         st: 0 flags:1 dts: 2.153333 pts: 2.153333 pos: 759764 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.153333 pts: 2.153333 pos: 759764 size:  8192
 ret: 0         st:-1 flags:1  ts: 1.047503
-ret: 0         st: 0 flags:1 dts: 1.047506 pts: 1.047506 pos: 369628 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.047506 pts: 1.047506 pos: 369628 size:  8192
 ret: 0         st: 0 flags:0  ts:-0.058322
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  8192
 ret: 0         st: 0 flags:1  ts: 2.835828
-ret: 0         st: 0 flags:1 dts: 2.835828 pts: 2.835828 pos:1000548 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.835828 pts: 2.835828 pos:1000548 size:  8192
 ret: 0         st:-1 flags:0  ts: 1.730004
-ret: 0         st: 0 flags:1 dts: 1.730000 pts: 1.730000 pos: 610412 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.730000 pts: 1.730000 pos: 610412 size:  8192
 ret: 0         st:-1 flags:1  ts: 0.624171
-ret: 0         st: 0 flags:1 dts: 0.624172 pts: 0.624172 pos: 220276 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.624172 pts: 0.624172 pos: 220276 size:  8192
 ret: 0         st: 0 flags:0  ts:-0.481655
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  8192
 ret: 0         st: 0 flags:1  ts: 2.412494
-ret: 0         st: 0 flags:1 dts: 2.412494 pts: 2.412494 pos: 851196 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.412494 pts: 2.412494 pos: 851196 size:  8192
 ret: 0         st:-1 flags:0  ts: 1.306672
-ret: 0         st: 0 flags:1 dts: 1.306667 pts: 1.306667 pos: 461060 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.306667 pts: 1.306667 pos: 461060 size:  8192
 ret: 0         st:-1 flags:1  ts: 0.200839
-ret: 0         st: 0 flags:1 dts: 0.200839 pts: 0.200839 pos:  70924 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.200839 pts: 0.200839 pos:  70924 size:  8192
 ret: 0         st: 0 flags:0  ts:-0.904989
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  8192
 ret: 0         st: 0 flags:1  ts: 1.989184
-ret: 0         st: 0 flags:1 dts: 1.989184 pts: 1.989184 pos: 701852 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.989184 pts: 1.989184 pos: 701852 size:  8192
 ret: 0         st:-1 flags:0  ts: 0.883340
-ret: 0         st: 0 flags:1 dts: 0.883333 pts: 0.883333 pos: 311708 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.883333 pts: 0.883333 pos: 311708 size:  8192
 ret: 0         st:-1 flags:1  ts:-0.222493
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  8192
 ret: 0         st: 0 flags:0  ts: 2.671678
-ret: 0         st: 0 flags:1 dts: 2.671678 pts: 2.671678 pos: 942636 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.671678 pts: 2.671678 pos: 942636 size:  8192
 ret: 0         st: 0 flags:1  ts: 1.565850
-ret: 0         st: 0 flags:1 dts: 1.565850 pts: 1.565850 pos: 552500 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.565850 pts: 1.565850 pos: 552500 size:  8192
 ret: 0         st:-1 flags:0  ts: 0.460008
-ret: 0         st: 0 flags:1 dts: 0.460000 pts: 0.460000 pos: 162356 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.460000 pts: 0.460000 pos: 162356 size:  8192
 ret: 0         st:-1 flags:1  ts:-0.645825
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     68 size:  8192
diff --git a/tests/ref/seek/acodec-pcm-u8 b/tests/ref/seek/acodec-pcm-u8
index afa33519d7..7782e4a9d7 100644
--- a/tests/ref/seek/acodec-pcm-u8
+++ b/tests/ref/seek/acodec-pcm-u8
@@ -1,53 +1,53 @@ 
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     44 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     44 size:  2048
 ret: 0         st:-1 flags:0  ts:-1.000000
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     44 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     44 size:  2048
 ret: 0         st:-1 flags:1  ts: 1.894167
-ret: 0         st: 0 flags:1 dts: 1.894172 pts: 1.894172 pos: 167110 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.894172 pts: 1.894172 pos: 167110 size:  2048
 ret: 0         st: 0 flags:0  ts: 0.788345
-ret: 0         st: 0 flags:1 dts: 0.788345 pts: 0.788345 pos:  69576 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.788345 pts: 0.788345 pos:  69576 size:  2048
 ret: 0         st: 0 flags:1  ts:-0.317506
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     44 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     44 size:  2048
 ret: 0         st:-1 flags:0  ts: 2.576668
-ret: 0         st: 0 flags:1 dts: 2.576667 pts: 2.576667 pos: 227306 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.576667 pts: 2.576667 pos: 227306 size:  2048
 ret: 0         st:-1 flags:1  ts: 1.470835
-ret: 0         st: 0 flags:1 dts: 1.470839 pts: 1.470839 pos: 129772 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.470839 pts: 1.470839 pos: 129772 size:  2048
 ret: 0         st: 0 flags:0  ts: 0.365011
-ret: 0         st: 0 flags:1 dts: 0.365011 pts: 0.365011 pos:  32238 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.365011 pts: 0.365011 pos:  32238 size:  2048
 ret: 0         st: 0 flags:1  ts:-0.740839
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     44 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     44 size:  2048
 ret: 0         st:-1 flags:0  ts: 2.153336
-ret: 0         st: 0 flags:1 dts: 2.153333 pts: 2.153333 pos: 189968 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.153333 pts: 2.153333 pos: 189968 size:  2048
 ret: 0         st:-1 flags:1  ts: 1.047503
-ret: 0         st: 0 flags:1 dts: 1.047506 pts: 1.047506 pos:  92434 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.047506 pts: 1.047506 pos:  92434 size:  2048
 ret: 0         st: 0 flags:0  ts:-0.058322
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     44 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     44 size:  2048
 ret: 0         st: 0 flags:1  ts: 2.835828
-ret: 0         st: 0 flags:1 dts: 2.835828 pts: 2.835828 pos: 250164 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.835828 pts: 2.835828 pos: 250164 size:  2048
 ret: 0         st:-1 flags:0  ts: 1.730004
-ret: 0         st: 0 flags:1 dts: 1.730000 pts: 1.730000 pos: 152630 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.730000 pts: 1.730000 pos: 152630 size:  2048
 ret: 0         st:-1 flags:1  ts: 0.624171
-ret: 0         st: 0 flags:1 dts: 0.624172 pts: 0.624172 pos:  55096 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.624172 pts: 0.624172 pos:  55096 size:  2048
 ret: 0         st: 0 flags:0  ts:-0.481655
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     44 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     44 size:  2048
 ret: 0         st: 0 flags:1  ts: 2.412494
-ret: 0         st: 0 flags:1 dts: 2.412494 pts: 2.412494 pos: 212826 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.412494 pts: 2.412494 pos: 212826 size:  2048
 ret: 0         st:-1 flags:0  ts: 1.306672
-ret: 0         st: 0 flags:1 dts: 1.306667 pts: 1.306667 pos: 115292 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.306667 pts: 1.306667 pos: 115292 size:  2048
 ret: 0         st:-1 flags:1  ts: 0.200839
-ret: 0         st: 0 flags:1 dts: 0.200839 pts: 0.200839 pos:  17758 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.200839 pts: 0.200839 pos:  17758 size:  2048
 ret: 0         st: 0 flags:0  ts:-0.904989
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     44 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     44 size:  2048
 ret: 0         st: 0 flags:1  ts: 1.989184
-ret: 0         st: 0 flags:1 dts: 1.989184 pts: 1.989184 pos: 175490 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.989184 pts: 1.989184 pos: 175490 size:  2048
 ret: 0         st:-1 flags:0  ts: 0.883340
-ret: 0         st: 0 flags:1 dts: 0.883333 pts: 0.883333 pos:  77954 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.883333 pts: 0.883333 pos:  77954 size:  2048
 ret: 0         st:-1 flags:1  ts:-0.222493
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     44 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     44 size:  2048
 ret: 0         st: 0 flags:0  ts: 2.671678
-ret: 0         st: 0 flags:1 dts: 2.671678 pts: 2.671678 pos: 235686 size:  4096
+ret: 0         st: 0 flags:1 dts: 2.671678 pts: 2.671678 pos: 235686 size:  2048
 ret: 0         st: 0 flags:1  ts: 1.565850
-ret: 0         st: 0 flags:1 dts: 1.565850 pts: 1.565850 pos: 138152 size:  4096
+ret: 0         st: 0 flags:1 dts: 1.565850 pts: 1.565850 pos: 138152 size:  2048
 ret: 0         st:-1 flags:0  ts: 0.460008
-ret: 0         st: 0 flags:1 dts: 0.460000 pts: 0.460000 pos:  40616 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.460000 pts: 0.460000 pos:  40616 size:  2048
 ret: 0         st:-1 flags:1  ts:-0.645825
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     44 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     44 size:  2048
diff --git a/tests/ref/seek/lavf-wav b/tests/ref/seek/lavf-wav
index ed2f8d62de..0328ffc84b 100644
--- a/tests/ref/seek/lavf-wav
+++ b/tests/ref/seek/lavf-wav
@@ -1,53 +1,53 @@ 
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     74 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     74 size:  2048
 ret: 0         st:-1 flags:0  ts:-1.000000
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     74 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     74 size:  2048
 ret: 0         st:-1 flags:1  ts: 1.894167
 ret:-EOF
 ret: 0         st: 0 flags:0  ts: 0.788345
-ret: 0         st: 0 flags:1 dts: 0.788345 pts: 0.788345 pos:  69606 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.788345 pts: 0.788345 pos:  69606 size:  2048
 ret: 0         st: 0 flags:1  ts:-0.317506
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     74 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     74 size:  2048
 ret: 0         st:-1 flags:0  ts: 2.576668
 ret:-EOF
 ret: 0         st:-1 flags:1  ts: 1.470835
 ret:-EOF
 ret: 0         st: 0 flags:0  ts: 0.365011
-ret: 0         st: 0 flags:1 dts: 0.365011 pts: 0.365011 pos:  32268 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.365011 pts: 0.365011 pos:  32268 size:  2048
 ret: 0         st: 0 flags:1  ts:-0.740839
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     74 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     74 size:  2048
 ret: 0         st:-1 flags:0  ts: 2.153336
 ret:-EOF
 ret: 0         st:-1 flags:1  ts: 1.047503
 ret:-EOF
 ret: 0         st: 0 flags:0  ts:-0.058322
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     74 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     74 size:  2048
 ret: 0         st: 0 flags:1  ts: 2.835828
 ret:-EOF
 ret: 0         st:-1 flags:0  ts: 1.730004
 ret:-EOF
 ret: 0         st:-1 flags:1  ts: 0.624171
-ret: 0         st: 0 flags:1 dts: 0.624172 pts: 0.624172 pos:  55126 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.624172 pts: 0.624172 pos:  55126 size:  2048
 ret: 0         st: 0 flags:0  ts:-0.481655
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     74 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     74 size:  2048
 ret: 0         st: 0 flags:1  ts: 2.412494
 ret:-EOF
 ret: 0         st:-1 flags:0  ts: 1.306672
 ret:-EOF
 ret: 0         st:-1 flags:1  ts: 0.200839
-ret: 0         st: 0 flags:1 dts: 0.200839 pts: 0.200839 pos:  17788 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.200839 pts: 0.200839 pos:  17788 size:  2048
 ret: 0         st: 0 flags:0  ts:-0.904989
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     74 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     74 size:  2048
 ret: 0         st: 0 flags:1  ts: 1.989184
 ret:-EOF
 ret: 0         st:-1 flags:0  ts: 0.883340
-ret: 0         st: 0 flags:1 dts: 0.883333 pts: 0.883333 pos:  77984 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.883333 pts: 0.883333 pos:  77984 size:  2048
 ret: 0         st:-1 flags:1  ts:-0.222493
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     74 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     74 size:  2048
 ret: 0         st: 0 flags:0  ts: 2.671678
 ret:-EOF
 ret: 0         st: 0 flags:1  ts: 1.565850
 ret:-EOF
 ret: 0         st:-1 flags:0  ts: 0.460008
-ret: 0         st: 0 flags:1 dts: 0.460000 pts: 0.460000 pos:  40646 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.460000 pts: 0.460000 pos:  40646 size:  2048
 ret: 0         st:-1 flags:1  ts:-0.645825
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     74 size:  4096
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     74 size:  2048