diff mbox series

[FFmpeg-devel,6/6] Add FATE tests for codec2, codec2raw and libcodec2 wrapper

Message ID d63ce3b563c662d0342de7317434e75aeb1b5e35.camel@haerdin.se
State New
Headers show
Series [FFmpeg-devel,1/6] lavc/codec2utils: Use actual libcodec2 version | expand

Checks

Context Check Description
yinshiyou/configure_loongarch64 warning Failed to apply patch
andriy/configure_x86 warning Failed to apply patch

Commit Message

Tomas Härdin Dec. 28, 2023, 6:48 p.m. UTC 
Tests all modes, both demuxers, the muxer, the decoder and the encoder.
Also tests both well-formed files and slightly broken truncated files

The raw files are just the .c2 files with the header stripped.
Therefore the relevant tests reuse the .c2 ref files.

I have attached all FATE files and, the source .wav file and the script
I used to generate all the files.

/Tomas

Comments

Andreas Rheinhardt Dec. 29, 2023, 10:40 a.m. UTC | #1 
Tomas Härdin:
> Tests all modes, both demuxers, the muxer, the decoder and the encoder.
> Also tests both well-formed files and slightly broken truncated files
> 
> The raw files are just the .c2 files with the header stripped.
> Therefore the relevant tests reuse the .c2 ref files.
> 

If they are the same, then can't you reuse the c2 files with the subfile
protocol for the raw tests? (This might necessitate some changes to
fate-run.sh, but it would provide coverage for the subfile protocol.)

- Andreas
Tomas Härdin Dec. 29, 2023, 12:40 p.m. UTC | #2 
fre 2023-12-29 klockan 11:40 +0100 skrev Andreas Rheinhardt:
> Tomas Härdin:
> > Tests all modes, both demuxers, the muxer, the decoder and the
> > encoder.
> > Also tests both well-formed files and slightly broken truncated
> > files
> > 
> > The raw files are just the .c2 files with the header stripped.
> > Therefore the relevant tests reuse the .c2 ref files.
> > 
> 
> If they are the same, then can't you reuse the c2 files with the
> subfile
> protocol for the raw tests? (This might necessitate some changes to
> fate-run.sh, but it would provide coverage for the subfile protocol.)

I didn't know about the subfile protocol. But yeah seems like that
should be possible. I'll have a look

/Tomas
Tomas Härdin Dec. 30, 2023, 4:02 p.m. UTC | #3 
fre 2023-12-29 klockan 11:40 +0100 skrev Andreas Rheinhardt:
> Tomas Härdin:
> > Tests all modes, both demuxers, the muxer, the decoder and the
> > encoder.
> > Also tests both well-formed files and slightly broken truncated
> > files
> > 
> > The raw files are just the .c2 files with the header stripped.
> > Therefore the relevant tests reuse the .c2 ref files.
> > 
> 
> If they are the same, then can't you reuse the c2 files with the
> subfile
> protocol for the raw tests? (This might necessitate some changes to
> fate-run.sh, but it would provide coverage for the subfile protocol.)

Updated patch attached. I also discovered some bugs in the previous
version

I'm thinking maybe not writing positions to the ref files. That way a
bunch of tests can share refs again

/Tomas
Tomas Härdin Dec. 30, 2023, 4:55 p.m. UTC | #4 
lör 2023-12-30 klockan 17:02 +0100 skrev Tomas Härdin:
> fre 2023-12-29 klockan 11:40 +0100 skrev Andreas Rheinhardt:
> > Tomas Härdin:
> > > Tests all modes, both demuxers, the muxer, the decoder and the
> > > encoder.
> > > Also tests both well-formed files and slightly broken truncated
> > > files
> > > 
> > > The raw files are just the .c2 files with the header stripped.
> > > Therefore the relevant tests reuse the .c2 ref files.
> > > 
> > 
> > If they are the same, then can't you reuse the c2 files with the
> > subfile
> > protocol for the raw tests? (This might necessitate some changes to
> > fate-run.sh, but it would provide coverage for the subfile
> > protocol.)
> 
> Updated patch attached. I also discovered some bugs in the previous
> version
> 
> I'm thinking maybe not writing positions to the ref files. That way a
> bunch of tests can share refs again

I did just this. Updated patch attached

/Tomas
diff mbox series

Patch

From 989c43522a1288dd039e5956c0c903e5d5b80708 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tomas=20H=C3=A4rdin?= <git@haerdin.se>
Date: Wed, 27 Dec 2023 18:35:38 +0100
Subject: [PATCH 6/6] Add FATE tests for codec2, codec2raw and libcodec2
 wrapper

---
 tests/Makefile                             |   1 +
 tests/fate/codec2.mak                      |  56 ++++++++
 tests/ref/fate/codec2-demux-1200           |   1 +
 tests/ref/fate/codec2-demux-1300           |   1 +
 tests/ref/fate/codec2-demux-1400           |   1 +
 tests/ref/fate/codec2-demux-1600           |   1 +
 tests/ref/fate/codec2-demux-2400           |   1 +
 tests/ref/fate/codec2-demux-3200           |   1 +
 tests/ref/fate/codec2-demux-700C           |   1 +
 tests/ref/fate/codec2-demux-cut-1200       |   1 +
 tests/ref/fate/codec2-demux-cut-1300       |   1 +
 tests/ref/fate/codec2-demux-cut-1400       |   1 +
 tests/ref/fate/codec2-demux-cut-1600       |   1 +
 tests/ref/fate/codec2-demux-cut-2400       |   1 +
 tests/ref/fate/codec2-demux-cut-3200       |   1 +
 tests/ref/fate/codec2-demux-cut-700C       |   1 +
 tests/ref/fate/codec2-probe-1200           |  77 +++++++++++
 tests/ref/fate/codec2-probe-1300           |  77 +++++++++++
 tests/ref/fate/codec2-probe-1400           |  77 +++++++++++
 tests/ref/fate/codec2-probe-1600           |  77 +++++++++++
 tests/ref/fate/codec2-probe-2400           | 152 +++++++++++++++++++++
 tests/ref/fate/codec2-probe-3200           | 152 +++++++++++++++++++++
 tests/ref/fate/codec2-probe-700C           |  77 +++++++++++
 tests/ref/fate/codec2-probe-cut-1200       |  18 +++
 tests/ref/fate/codec2-probe-cut-1300       |  16 +++
 tests/ref/fate/codec2-probe-cut-1400       |  16 +++
 tests/ref/fate/codec2-probe-cut-1600       |  14 ++
 tests/ref/fate/codec2-probe-cut-2400       |  18 +++
 tests/ref/fate/codec2-probe-cut-3200       |  14 ++
 tests/ref/fate/codec2-probe-cut-700C       |  26 ++++
 tests/ref/fate/codec2-probe-multi-1200     |  10 ++
 tests/ref/fate/codec2-probe-multi-1300     |  10 ++
 tests/ref/fate/codec2-probe-multi-1400     |  10 ++
 tests/ref/fate/codec2-probe-multi-1600     |  10 ++
 tests/ref/fate/codec2-probe-multi-2400     |  17 +++
 tests/ref/fate/codec2-probe-multi-3200     |  17 +++
 tests/ref/fate/codec2-probe-multi-700C     |  10 ++
 tests/ref/fate/codec2-probe-multi-cut-1200 |   4 +
 tests/ref/fate/codec2-probe-multi-cut-1300 |   4 +
 tests/ref/fate/codec2-probe-multi-cut-1400 |   4 +
 tests/ref/fate/codec2-probe-multi-cut-1600 |   4 +
 tests/ref/fate/codec2-probe-multi-cut-2400 |   4 +
 tests/ref/fate/codec2-probe-multi-cut-3200 |   4 +
 tests/ref/fate/codec2-probe-multi-cut-700C |   5 +
 tests/ref/fate/libcodec2-1200              |  12 ++
 tests/ref/fate/libcodec2-1300              |  12 ++
 tests/ref/fate/libcodec2-1400              |  12 ++
 tests/ref/fate/libcodec2-1600              |  12 ++
 tests/ref/fate/libcodec2-2400              |  19 +++
 tests/ref/fate/libcodec2-3200              |  19 +++
 tests/ref/fate/libcodec2-700C              |  12 ++
 tests/ref/fate/libcodec2-cut-1200          |   6 +
 tests/ref/fate/libcodec2-cut-1300          |   6 +
 tests/ref/fate/libcodec2-cut-1400          |   6 +
 tests/ref/fate/libcodec2-cut-1600          |   6 +
 tests/ref/fate/libcodec2-cut-2400          |   6 +
 tests/ref/fate/libcodec2-cut-3200          |   6 +
 tests/ref/fate/libcodec2-cut-700C          |   7 +
 58 files changed, 1136 insertions(+)
 create mode 100644 tests/fate/codec2.mak
 create mode 100644 tests/ref/fate/codec2-demux-1200
 create mode 100644 tests/ref/fate/codec2-demux-1300
 create mode 100644 tests/ref/fate/codec2-demux-1400
 create mode 100644 tests/ref/fate/codec2-demux-1600
 create mode 100644 tests/ref/fate/codec2-demux-2400
 create mode 100644 tests/ref/fate/codec2-demux-3200
 create mode 100644 tests/ref/fate/codec2-demux-700C
 create mode 100644 tests/ref/fate/codec2-demux-cut-1200
 create mode 100644 tests/ref/fate/codec2-demux-cut-1300
 create mode 100644 tests/ref/fate/codec2-demux-cut-1400
 create mode 100644 tests/ref/fate/codec2-demux-cut-1600
 create mode 100644 tests/ref/fate/codec2-demux-cut-2400
 create mode 100644 tests/ref/fate/codec2-demux-cut-3200
 create mode 100644 tests/ref/fate/codec2-demux-cut-700C
 create mode 100644 tests/ref/fate/codec2-probe-1200
 create mode 100644 tests/ref/fate/codec2-probe-1300
 create mode 100644 tests/ref/fate/codec2-probe-1400
 create mode 100644 tests/ref/fate/codec2-probe-1600
 create mode 100644 tests/ref/fate/codec2-probe-2400
 create mode 100644 tests/ref/fate/codec2-probe-3200
 create mode 100644 tests/ref/fate/codec2-probe-700C
 create mode 100644 tests/ref/fate/codec2-probe-cut-1200
 create mode 100644 tests/ref/fate/codec2-probe-cut-1300
 create mode 100644 tests/ref/fate/codec2-probe-cut-1400
 create mode 100644 tests/ref/fate/codec2-probe-cut-1600
 create mode 100644 tests/ref/fate/codec2-probe-cut-2400
 create mode 100644 tests/ref/fate/codec2-probe-cut-3200
 create mode 100644 tests/ref/fate/codec2-probe-cut-700C
 create mode 100644 tests/ref/fate/codec2-probe-multi-1200
 create mode 100644 tests/ref/fate/codec2-probe-multi-1300
 create mode 100644 tests/ref/fate/codec2-probe-multi-1400
 create mode 100644 tests/ref/fate/codec2-probe-multi-1600
 create mode 100644 tests/ref/fate/codec2-probe-multi-2400
 create mode 100644 tests/ref/fate/codec2-probe-multi-3200
 create mode 100644 tests/ref/fate/codec2-probe-multi-700C
 create mode 100644 tests/ref/fate/codec2-probe-multi-cut-1200
 create mode 100644 tests/ref/fate/codec2-probe-multi-cut-1300
 create mode 100644 tests/ref/fate/codec2-probe-multi-cut-1400
 create mode 100644 tests/ref/fate/codec2-probe-multi-cut-1600
 create mode 100644 tests/ref/fate/codec2-probe-multi-cut-2400
 create mode 100644 tests/ref/fate/codec2-probe-multi-cut-3200
 create mode 100644 tests/ref/fate/codec2-probe-multi-cut-700C
 create mode 100644 tests/ref/fate/libcodec2-1200
 create mode 100644 tests/ref/fate/libcodec2-1300
 create mode 100644 tests/ref/fate/libcodec2-1400
 create mode 100644 tests/ref/fate/libcodec2-1600
 create mode 100644 tests/ref/fate/libcodec2-2400
 create mode 100644 tests/ref/fate/libcodec2-3200
 create mode 100644 tests/ref/fate/libcodec2-700C
 create mode 100644 tests/ref/fate/libcodec2-cut-1200
 create mode 100644 tests/ref/fate/libcodec2-cut-1300
 create mode 100644 tests/ref/fate/libcodec2-cut-1400
 create mode 100644 tests/ref/fate/libcodec2-cut-1600
 create mode 100644 tests/ref/fate/libcodec2-cut-2400
 create mode 100644 tests/ref/fate/libcodec2-cut-3200
 create mode 100644 tests/ref/fate/libcodec2-cut-700C

diff --git a/tests/Makefile b/tests/Makefile
index 744dbcdfb3..cec8388aec 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -166,6 +166,7 @@  include $(SRC_PATH)/tests/fate/canopus.mak
 include $(SRC_PATH)/tests/fate/cbs.mak
 include $(SRC_PATH)/tests/fate/cdxl.mak
 include $(SRC_PATH)/tests/fate/checkasm.mak
+include $(SRC_PATH)/tests/fate/codec2.mak
 # Must be included after lavf-container.mak
 include $(SRC_PATH)/tests/fate/concatdec.mak
 include $(SRC_PATH)/tests/fate/cover-art.mak
diff --git a/tests/fate/codec2.mak b/tests/fate/codec2.mak
new file mode 100644
index 0000000000..32dd086083
--- /dev/null
+++ b/tests/fate/codec2.mak
@@ -0,0 +1,56 @@ 
+# Modes 700 and 700B no longer exist
+CODEC2_MODES = 3200 2400 1600 1400 1300 1200 700C
+
+# This exercises both the decode and encode side of the libcodec2 binding for all modes listed above
+FATE_LIBCODEC2-$(call ENCDEC, LIBCODEC2, CODEC2) += $(foreach mode,$(CODEC2_MODES), \
+    fate-libcodec2-$(mode) \
+    fate-libcodec2-cut-$(mode) \
+)
+
+define make-codec2-targets
+    $(foreach mode,$(CODEC2_MODES), \
+        fate-$(1)-probe-$(mode) \
+        fate-$(1)-probe-cut-$(mode) \
+        fate-$(1)-probe-multi-$(mode) \
+        fate-$(1)-probe-multi-cut-$(mode) \
+        fate-$(1)-demux-$(mode) \
+        fate-$(1)-demux-cut-$(mode) \
+    )
+endef
+
+FATE_CODEC2-$(CONFIG_CODEC2_DEMUXER) += $(call make-codec2-targets,codec2)
+FATE_CODEC2RAW-$(CONFIG_CODEC2RAW_DEMUXER) += $(call make-codec2-targets,codec2raw)
+
+define make-codec2-args
+    enc_external $(TARGET_SAMPLES)/codec2/cross-$(2)$(1).c2 codec2 "-mode $(1)" "-frames_per_packet 10 -show_entries stream=codec_name,sample_rate,channels,duration -show_entries frame=pkt_dts -of flat"
+endef
+
+## Transcoding tests
+# Well-formed files
+fate-libcodec2-%:     CMD = $(call make-codec2-args,$(@:fate-libcodec2-%=%),)
+# Truncated files
+fate-libcodec2-cut-%: CMD = $(call make-codec2-args,$(@:fate-libcodec2-cut-%=%),cut-)
+
+## Demuxer tests
+# Check packets sizes and flags. Only the truncated files have the C flag set on the last packet
+# Wildcards match both sets of files
+fate-codec2-probe-%:          CMD = ffprobe_demux $(TARGET_SAMPLES)/codec2/cross-$(@:fate-codec2-probe-%=%).c2
+fate-codec2-probe-multi-%:    CMD = ffprobe_demux $(TARGET_SAMPLES)/codec2/cross-$(@:fate-codec2-probe-multi-%=%).c2 -frames_per_packet 10
+# Reuse refs for codec2raw tests
+fate-codec2raw-probe-%:       MODE = $(@:fate-codec2raw-probe-%=%)
+fate-codec2raw-probe-%:       REF = tests/ref/fate/codec2-probe-$(MODE)
+fate-codec2raw-probe-%:       CMD = ffprobe_demux $(TARGET_SAMPLES)/codec2/cross-$(MODE).c2 -mode $(MODE)
+fate-codec2raw-probe-multi-%: MODE = $(@:fate-codec2raw-probe-multi-%=%)
+fate-codec2raw-probe-multi-%: REF = tests/ref/fate/codec2-probe-multi-$(MODE)
+fate-codec2raw-probe-multi-%: CMD = ffprobe_demux $(TARGET_SAMPLES)/codec2/cross-$(MODE).c2 -frames_per_packet 10 -mode $(MODE)
+# Normal CRC tests
+fate-codec2-demux-%:          CMD = crc -i $(TARGET_SAMPLES)/codec2/cross-$(@:fate-codec2-demux-%=%).c2 -c:a copy
+# Reuse refs here too
+fate-codec2raw-demux-%:       MODE = $(@:fate-codec2raw-demux-%=%)
+fate-codec2raw-demux-%:       REF = tests/ref/fate/codec2-demux-$(MODE)
+fate-codec2raw-demux-%:       CMD = crc -i $(TARGET_SAMPLES)/codec2/cross-$(MODE).c2 -mode $(MODE) -c:a copy
+
+FATE_SAMPLES_FFMPEG_FFPROBE += $(FATE_CODEC2-yes) $(FATE_CODEC2RAW-yes) $(FATE_LIBCODEC2-yes)
+fate-codec2: $(FATE_CODEC2-yes)
+fate-codec2raw: $(FATE_CODEC2RAW-yes)
+fate-libcodec2: $(FATE_LIBCODEC2-yes)
diff --git a/tests/ref/fate/codec2-demux-1200 b/tests/ref/fate/codec2-demux-1200
new file mode 100644
index 0000000000..e73da85898
--- /dev/null
+++ b/tests/ref/fate/codec2-demux-1200
@@ -0,0 +1 @@ 
+CRC=0x585af733
diff --git a/tests/ref/fate/codec2-demux-1300 b/tests/ref/fate/codec2-demux-1300
new file mode 100644
index 0000000000..8a387d0c5c
--- /dev/null
+++ b/tests/ref/fate/codec2-demux-1300
@@ -0,0 +1 @@ 
+CRC=0x1e44f99a
diff --git a/tests/ref/fate/codec2-demux-1400 b/tests/ref/fate/codec2-demux-1400
new file mode 100644
index 0000000000..8e16ed218f
--- /dev/null
+++ b/tests/ref/fate/codec2-demux-1400
@@ -0,0 +1 @@ 
+CRC=0xaea43a6b
diff --git a/tests/ref/fate/codec2-demux-1600 b/tests/ref/fate/codec2-demux-1600
new file mode 100644
index 0000000000..cf39a1f33c
--- /dev/null
+++ b/tests/ref/fate/codec2-demux-1600
@@ -0,0 +1 @@ 
+CRC=0xd30a231f
diff --git a/tests/ref/fate/codec2-demux-2400 b/tests/ref/fate/codec2-demux-2400
new file mode 100644
index 0000000000..3207059686
--- /dev/null
+++ b/tests/ref/fate/codec2-demux-2400
@@ -0,0 +1 @@ 
+CRC=0x6445f5bd
diff --git a/tests/ref/fate/codec2-demux-3200 b/tests/ref/fate/codec2-demux-3200
new file mode 100644
index 0000000000..a6d1c663df
--- /dev/null
+++ b/tests/ref/fate/codec2-demux-3200
@@ -0,0 +1 @@ 
+CRC=0x27b3654f
diff --git a/tests/ref/fate/codec2-demux-700C b/tests/ref/fate/codec2-demux-700C
new file mode 100644
index 0000000000..9277e69200
--- /dev/null
+++ b/tests/ref/fate/codec2-demux-700C
@@ -0,0 +1 @@ 
+CRC=0x7f9493cc
diff --git a/tests/ref/fate/codec2-demux-cut-1200 b/tests/ref/fate/codec2-demux-cut-1200
new file mode 100644
index 0000000000..f3032b0c24
--- /dev/null
+++ b/tests/ref/fate/codec2-demux-cut-1200
@@ -0,0 +1 @@ 
+CRC=0xc86c3291
diff --git a/tests/ref/fate/codec2-demux-cut-1300 b/tests/ref/fate/codec2-demux-cut-1300
new file mode 100644
index 0000000000..bf4f1b0a75
--- /dev/null
+++ b/tests/ref/fate/codec2-demux-cut-1300
@@ -0,0 +1 @@ 
+CRC=0x68b92ddf
diff --git a/tests/ref/fate/codec2-demux-cut-1400 b/tests/ref/fate/codec2-demux-cut-1400
new file mode 100644
index 0000000000..83de78745c
--- /dev/null
+++ b/tests/ref/fate/codec2-demux-cut-1400
@@ -0,0 +1 @@ 
+CRC=0x323239c6
diff --git a/tests/ref/fate/codec2-demux-cut-1600 b/tests/ref/fate/codec2-demux-cut-1600
new file mode 100644
index 0000000000..33f30b9b9c
--- /dev/null
+++ b/tests/ref/fate/codec2-demux-cut-1600
@@ -0,0 +1 @@ 
+CRC=0x3e10298c
diff --git a/tests/ref/fate/codec2-demux-cut-2400 b/tests/ref/fate/codec2-demux-cut-2400
new file mode 100644
index 0000000000..e364ab19e7
--- /dev/null
+++ b/tests/ref/fate/codec2-demux-cut-2400
@@ -0,0 +1 @@ 
+CRC=0x190736f0
diff --git a/tests/ref/fate/codec2-demux-cut-3200 b/tests/ref/fate/codec2-demux-cut-3200
new file mode 100644
index 0000000000..f70d1adb56
--- /dev/null
+++ b/tests/ref/fate/codec2-demux-cut-3200
@@ -0,0 +1 @@ 
+CRC=0xc17c31ae
diff --git a/tests/ref/fate/codec2-demux-cut-700C b/tests/ref/fate/codec2-demux-cut-700C
new file mode 100644
index 0000000000..8cc9cf9e94
--- /dev/null
+++ b/tests/ref/fate/codec2-demux-cut-700C
@@ -0,0 +1 @@ 
+CRC=0x912a2def
diff --git a/tests/ref/fate/codec2-probe-1200 b/tests/ref/fate/codec2-probe-1200
new file mode 100644
index 0000000000..e199958a91
--- /dev/null
+++ b/tests/ref/fate/codec2-probe-1200
@@ -0,0 +1,77 @@ 
+packet|codec_type=audio|stream_index=0|pts=0|pts_time=0.000000|dts=0|dts_time=0.000000|duration=320|duration_time=0.040000|size=6|pos=7|flags=K__|data_hash=CRC32:221d0fc7
+packet|codec_type=audio|stream_index=0|pts=320|pts_time=0.040000|dts=320|dts_time=0.040000|duration=320|duration_time=0.040000|size=6|pos=13|flags=K__|data_hash=CRC32:2bf167b8
+packet|codec_type=audio|stream_index=0|pts=640|pts_time=0.080000|dts=640|dts_time=0.080000|duration=320|duration_time=0.040000|size=6|pos=19|flags=K__|data_hash=CRC32:a7156a29
+packet|codec_type=audio|stream_index=0|pts=960|pts_time=0.120000|dts=960|dts_time=0.120000|duration=320|duration_time=0.040000|size=6|pos=25|flags=K__|data_hash=CRC32:268c4e72
+packet|codec_type=audio|stream_index=0|pts=1280|pts_time=0.160000|dts=1280|dts_time=0.160000|duration=320|duration_time=0.040000|size=6|pos=31|flags=K__|data_hash=CRC32:5a23ffe0
+packet|codec_type=audio|stream_index=0|pts=1600|pts_time=0.200000|dts=1600|dts_time=0.200000|duration=320|duration_time=0.040000|size=6|pos=37|flags=K__|data_hash=CRC32:ed696a9b
+packet|codec_type=audio|stream_index=0|pts=1920|pts_time=0.240000|dts=1920|dts_time=0.240000|duration=320|duration_time=0.040000|size=6|pos=43|flags=K__|data_hash=CRC32:8c2de44f
+packet|codec_type=audio|stream_index=0|pts=2240|pts_time=0.280000|dts=2240|dts_time=0.280000|duration=320|duration_time=0.040000|size=6|pos=49|flags=K__|data_hash=CRC32:46dcc273
+packet|codec_type=audio|stream_index=0|pts=2560|pts_time=0.320000|dts=2560|dts_time=0.320000|duration=320|duration_time=0.040000|size=6|pos=55|flags=K__|data_hash=CRC32:7c6fd6bd
+packet|codec_type=audio|stream_index=0|pts=2880|pts_time=0.360000|dts=2880|dts_time=0.360000|duration=320|duration_time=0.040000|size=6|pos=61|flags=K__|data_hash=CRC32:54794fd6
+packet|codec_type=audio|stream_index=0|pts=3200|pts_time=0.400000|dts=3200|dts_time=0.400000|duration=320|duration_time=0.040000|size=6|pos=67|flags=K__|data_hash=CRC32:f56e65a6
+packet|codec_type=audio|stream_index=0|pts=3520|pts_time=0.440000|dts=3520|dts_time=0.440000|duration=320|duration_time=0.040000|size=6|pos=73|flags=K__|data_hash=CRC32:5a22ccb3
+packet|codec_type=audio|stream_index=0|pts=3840|pts_time=0.480000|dts=3840|dts_time=0.480000|duration=320|duration_time=0.040000|size=6|pos=79|flags=K__|data_hash=CRC32:80096180
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+stream|index=0|codec_name=codec2|profile=unknown|codec_type=audio|codec_tag_string=[0][0][0][0]|codec_tag=0x0000|sample_fmt=s16|sample_rate=8000|channels=1|channel_layout=mono|bits_per_sample=0|initial_padding=0|id=N/A|r_frame_rate=0/0|avg_frame_rate=0/0|time_base=1/8000|start_pts=N/A|start_time=N/A|duration_ts=24000|duration=3.000000|bit_rate=1200|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=N/A|nb_read_packets=75|extradata_size=4|extradata_hash=CRC32:e70b9852|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0
+format|filename=cross-1200.c2|nb_streams=1|nb_programs=0|format_name=codec2|start_time=N/A|duration=3.000000|size=457|bit_rate=1218|probe_score=51
diff --git a/tests/ref/fate/codec2-probe-1300 b/tests/ref/fate/codec2-probe-1300
new file mode 100644
index 0000000000..cb466e5b9f
--- /dev/null
+++ b/tests/ref/fate/codec2-probe-1300
@@ -0,0 +1,77 @@ 
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+packet|codec_type=audio|stream_index=0|pts=640|pts_time=0.080000|dts=640|dts_time=0.080000|duration=320|duration_time=0.040000|size=7|pos=21|flags=K__|data_hash=CRC32:720c8431
+packet|codec_type=audio|stream_index=0|pts=960|pts_time=0.120000|dts=960|dts_time=0.120000|duration=320|duration_time=0.040000|size=7|pos=28|flags=K__|data_hash=CRC32:5e0cab28
+packet|codec_type=audio|stream_index=0|pts=1280|pts_time=0.160000|dts=1280|dts_time=0.160000|duration=320|duration_time=0.040000|size=7|pos=35|flags=K__|data_hash=CRC32:431d4805
+packet|codec_type=audio|stream_index=0|pts=1600|pts_time=0.200000|dts=1600|dts_time=0.200000|duration=320|duration_time=0.040000|size=7|pos=42|flags=K__|data_hash=CRC32:e506c285
+packet|codec_type=audio|stream_index=0|pts=1920|pts_time=0.240000|dts=1920|dts_time=0.240000|duration=320|duration_time=0.040000|size=7|pos=49|flags=K__|data_hash=CRC32:b0ca6019
+packet|codec_type=audio|stream_index=0|pts=2240|pts_time=0.280000|dts=2240|dts_time=0.280000|duration=320|duration_time=0.040000|size=7|pos=56|flags=K__|data_hash=CRC32:25ef5865
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+stream|index=0|codec_name=codec2|profile=unknown|codec_type=audio|codec_tag_string=[0][0][0][0]|codec_tag=0x0000|sample_fmt=s16|sample_rate=8000|channels=1|channel_layout=mono|bits_per_sample=0|initial_padding=0|id=N/A|r_frame_rate=0/0|avg_frame_rate=0/0|time_base=1/8000|start_pts=N/A|start_time=N/A|duration_ts=24000|duration=3.000000|bit_rate=1400|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=N/A|nb_read_packets=75|extradata_size=4|extradata_hash=CRC32:fe10a913|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0
+format|filename=cross-1300.c2|nb_streams=1|nb_programs=0|format_name=codec2|start_time=N/A|duration=3.000000|size=532|bit_rate=1418|probe_score=51
diff --git a/tests/ref/fate/codec2-probe-1400 b/tests/ref/fate/codec2-probe-1400
new file mode 100644
index 0000000000..2eddc0f0f7
--- /dev/null
+++ b/tests/ref/fate/codec2-probe-1400
@@ -0,0 +1,77 @@ 
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+packet|codec_type=audio|stream_index=0|pts=640|pts_time=0.080000|dts=640|dts_time=0.080000|duration=320|duration_time=0.040000|size=7|pos=21|flags=K__|data_hash=CRC32:303b21b6
+packet|codec_type=audio|stream_index=0|pts=960|pts_time=0.120000|dts=960|dts_time=0.120000|duration=320|duration_time=0.040000|size=7|pos=28|flags=K__|data_hash=CRC32:dc2b4dd6
+packet|codec_type=audio|stream_index=0|pts=1280|pts_time=0.160000|dts=1280|dts_time=0.160000|duration=320|duration_time=0.040000|size=7|pos=35|flags=K__|data_hash=CRC32:e8888eb2
+packet|codec_type=audio|stream_index=0|pts=1600|pts_time=0.200000|dts=1600|dts_time=0.200000|duration=320|duration_time=0.040000|size=7|pos=42|flags=K__|data_hash=CRC32:fa3d0618
+packet|codec_type=audio|stream_index=0|pts=1920|pts_time=0.240000|dts=1920|dts_time=0.240000|duration=320|duration_time=0.040000|size=7|pos=49|flags=K__|data_hash=CRC32:68478d05
+packet|codec_type=audio|stream_index=0|pts=2240|pts_time=0.280000|dts=2240|dts_time=0.280000|duration=320|duration_time=0.040000|size=7|pos=56|flags=K__|data_hash=CRC32:5801bcd3
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+format|filename=cross-1400.c2|nb_streams=1|nb_programs=0|format_name=codec2|start_time=N/A|duration=3.000000|size=532|bit_rate=1418|probe_score=51
diff --git a/tests/ref/fate/codec2-probe-1600 b/tests/ref/fate/codec2-probe-1600
new file mode 100644
index 0000000000..9a82d24f94
--- /dev/null
+++ b/tests/ref/fate/codec2-probe-1600
@@ -0,0 +1,77 @@ 
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+stream|index=0|codec_name=codec2|profile=unknown|codec_type=audio|codec_tag_string=[0][0][0][0]|codec_tag=0x0000|sample_fmt=s16|sample_rate=8000|channels=1|channel_layout=mono|bits_per_sample=0|initial_padding=0|id=N/A|r_frame_rate=0/0|avg_frame_rate=0/0|time_base=1/8000|start_pts=N/A|start_time=N/A|duration_ts=24000|duration=3.000000|bit_rate=1600|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=N/A|nb_read_packets=75|extradata_size=4|extradata_hash=CRC32:a84a0e95|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0
+format|filename=cross-1600.c2|nb_streams=1|nb_programs=0|format_name=codec2|start_time=N/A|duration=3.000000|size=607|bit_rate=1618|probe_score=51
diff --git a/tests/ref/fate/codec2-probe-2400 b/tests/ref/fate/codec2-probe-2400
new file mode 100644
index 0000000000..072de7ae34
--- /dev/null
+++ b/tests/ref/fate/codec2-probe-2400
@@ -0,0 +1,152 @@ 
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+format|filename=cross-2400.c2|nb_streams=1|nb_programs=0|format_name=codec2|start_time=N/A|duration=3.000000|size=907|bit_rate=2418|probe_score=51
diff --git a/tests/ref/fate/codec2-probe-3200 b/tests/ref/fate/codec2-probe-3200
new file mode 100644
index 0000000000..9304fa4ec2
--- /dev/null
+++ b/tests/ref/fate/codec2-probe-3200
@@ -0,0 +1,152 @@ 
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+stream|index=0|codec_name=codec2|profile=unknown|codec_type=audio|codec_tag_string=[0][0][0][0]|codec_tag=0x0000|sample_fmt=s16|sample_rate=8000|channels=1|channel_layout=mono|bits_per_sample=0|initial_padding=0|id=N/A|r_frame_rate=0/0|avg_frame_rate=0/0|time_base=1/8000|start_pts=N/A|start_time=N/A|duration_ts=24000|duration=3.000000|bit_rate=3200|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=N/A|nb_read_packets=150|extradata_size=4|extradata_hash=CRC32:9a7c6c17|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0
+format|filename=cross-3200.c2|nb_streams=1|nb_programs=0|format_name=codec2|start_time=N/A|duration=3.000000|size=1207|bit_rate=3218|probe_score=51
diff --git a/tests/ref/fate/codec2-probe-700C b/tests/ref/fate/codec2-probe-700C
new file mode 100644
index 0000000000..5455705dcd
--- /dev/null
+++ b/tests/ref/fate/codec2-probe-700C
@@ -0,0 +1,77 @@ 
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+packet|codec_type=audio|stream_index=0|pts=10560|pts_time=1.320000|dts=10560|dts_time=1.320000|duration=320|duration_time=0.040000|size=4|pos=139|flags=K__|data_hash=CRC32:a8997530
+packet|codec_type=audio|stream_index=0|pts=10880|pts_time=1.360000|dts=10880|dts_time=1.360000|duration=320|duration_time=0.040000|size=4|pos=143|flags=K__|data_hash=CRC32:629bd7ea
+packet|codec_type=audio|stream_index=0|pts=11200|pts_time=1.400000|dts=11200|dts_time=1.400000|duration=320|duration_time=0.040000|size=4|pos=147|flags=K__|data_hash=CRC32:d6f6b5b7
+packet|codec_type=audio|stream_index=0|pts=11520|pts_time=1.440000|dts=11520|dts_time=1.440000|duration=320|duration_time=0.040000|size=4|pos=151|flags=K__|data_hash=CRC32:c7f2297f
+packet|codec_type=audio|stream_index=0|pts=11840|pts_time=1.480000|dts=11840|dts_time=1.480000|duration=320|duration_time=0.040000|size=4|pos=155|flags=K__|data_hash=CRC32:0ae4c6b2
+packet|codec_type=audio|stream_index=0|pts=12160|pts_time=1.520000|dts=12160|dts_time=1.520000|duration=320|duration_time=0.040000|size=4|pos=159|flags=K__|data_hash=CRC32:b9afc05e
+packet|codec_type=audio|stream_index=0|pts=12480|pts_time=1.560000|dts=12480|dts_time=1.560000|duration=320|duration_time=0.040000|size=4|pos=163|flags=K__|data_hash=CRC32:450020be
+packet|codec_type=audio|stream_index=0|pts=12800|pts_time=1.600000|dts=12800|dts_time=1.600000|duration=320|duration_time=0.040000|size=4|pos=167|flags=K__|data_hash=CRC32:c05b5fa8
+packet|codec_type=audio|stream_index=0|pts=13120|pts_time=1.640000|dts=13120|dts_time=1.640000|duration=320|duration_time=0.040000|size=4|pos=171|flags=K__|data_hash=CRC32:3c550858
+packet|codec_type=audio|stream_index=0|pts=13440|pts_time=1.680000|dts=13440|dts_time=1.680000|duration=320|duration_time=0.040000|size=4|pos=175|flags=K__|data_hash=CRC32:53873576
+packet|codec_type=audio|stream_index=0|pts=13760|pts_time=1.720000|dts=13760|dts_time=1.720000|duration=320|duration_time=0.040000|size=4|pos=179|flags=K__|data_hash=CRC32:7eb457ad
+packet|codec_type=audio|stream_index=0|pts=14080|pts_time=1.760000|dts=14080|dts_time=1.760000|duration=320|duration_time=0.040000|size=4|pos=183|flags=K__|data_hash=CRC32:f8cf8ea0
+packet|codec_type=audio|stream_index=0|pts=14400|pts_time=1.800000|dts=14400|dts_time=1.800000|duration=320|duration_time=0.040000|size=4|pos=187|flags=K__|data_hash=CRC32:4c45d460
+packet|codec_type=audio|stream_index=0|pts=14720|pts_time=1.840000|dts=14720|dts_time=1.840000|duration=320|duration_time=0.040000|size=4|pos=191|flags=K__|data_hash=CRC32:bdcda527
+packet|codec_type=audio|stream_index=0|pts=15040|pts_time=1.880000|dts=15040|dts_time=1.880000|duration=320|duration_time=0.040000|size=4|pos=195|flags=K__|data_hash=CRC32:971c41b6
+packet|codec_type=audio|stream_index=0|pts=15360|pts_time=1.920000|dts=15360|dts_time=1.920000|duration=320|duration_time=0.040000|size=4|pos=199|flags=K__|data_hash=CRC32:091db650
+packet|codec_type=audio|stream_index=0|pts=15680|pts_time=1.960000|dts=15680|dts_time=1.960000|duration=320|duration_time=0.040000|size=4|pos=203|flags=K__|data_hash=CRC32:3e214057
+packet|codec_type=audio|stream_index=0|pts=16000|pts_time=2.000000|dts=16000|dts_time=2.000000|duration=320|duration_time=0.040000|size=4|pos=207|flags=K__|data_hash=CRC32:af7b7f6f
+packet|codec_type=audio|stream_index=0|pts=16320|pts_time=2.040000|dts=16320|dts_time=2.040000|duration=320|duration_time=0.040000|size=4|pos=211|flags=K__|data_hash=CRC32:5091da7b
+packet|codec_type=audio|stream_index=0|pts=16640|pts_time=2.080000|dts=16640|dts_time=2.080000|duration=320|duration_time=0.040000|size=4|pos=215|flags=K__|data_hash=CRC32:5ec88106
+packet|codec_type=audio|stream_index=0|pts=16960|pts_time=2.120000|dts=16960|dts_time=2.120000|duration=320|duration_time=0.040000|size=4|pos=219|flags=K__|data_hash=CRC32:d8561d0a
+packet|codec_type=audio|stream_index=0|pts=17280|pts_time=2.160000|dts=17280|dts_time=2.160000|duration=320|duration_time=0.040000|size=4|pos=223|flags=K__|data_hash=CRC32:1730a3fc
+packet|codec_type=audio|stream_index=0|pts=17600|pts_time=2.200000|dts=17600|dts_time=2.200000|duration=320|duration_time=0.040000|size=4|pos=227|flags=K__|data_hash=CRC32:53da58ed
+packet|codec_type=audio|stream_index=0|pts=17920|pts_time=2.240000|dts=17920|dts_time=2.240000|duration=320|duration_time=0.040000|size=4|pos=231|flags=K__|data_hash=CRC32:bcc878a7
+packet|codec_type=audio|stream_index=0|pts=18240|pts_time=2.280000|dts=18240|dts_time=2.280000|duration=320|duration_time=0.040000|size=4|pos=235|flags=K__|data_hash=CRC32:92ff45b1
+packet|codec_type=audio|stream_index=0|pts=18560|pts_time=2.320000|dts=18560|dts_time=2.320000|duration=320|duration_time=0.040000|size=4|pos=239|flags=K__|data_hash=CRC32:6cdf51c9
+packet|codec_type=audio|stream_index=0|pts=18880|pts_time=2.360000|dts=18880|dts_time=2.360000|duration=320|duration_time=0.040000|size=4|pos=243|flags=K__|data_hash=CRC32:87bffa67
+packet|codec_type=audio|stream_index=0|pts=19200|pts_time=2.400000|dts=19200|dts_time=2.400000|duration=320|duration_time=0.040000|size=4|pos=247|flags=K__|data_hash=CRC32:49926f0b
+packet|codec_type=audio|stream_index=0|pts=19520|pts_time=2.440000|dts=19520|dts_time=2.440000|duration=320|duration_time=0.040000|size=4|pos=251|flags=K__|data_hash=CRC32:746efec4
+packet|codec_type=audio|stream_index=0|pts=19840|pts_time=2.480000|dts=19840|dts_time=2.480000|duration=320|duration_time=0.040000|size=4|pos=255|flags=K__|data_hash=CRC32:6f5b85a7
+packet|codec_type=audio|stream_index=0|pts=20160|pts_time=2.520000|dts=20160|dts_time=2.520000|duration=320|duration_time=0.040000|size=4|pos=259|flags=K__|data_hash=CRC32:cf14d485
+packet|codec_type=audio|stream_index=0|pts=20480|pts_time=2.560000|dts=20480|dts_time=2.560000|duration=320|duration_time=0.040000|size=4|pos=263|flags=K__|data_hash=CRC32:97df5c93
+packet|codec_type=audio|stream_index=0|pts=20800|pts_time=2.600000|dts=20800|dts_time=2.600000|duration=320|duration_time=0.040000|size=4|pos=267|flags=K__|data_hash=CRC32:ccd5b3b1
+packet|codec_type=audio|stream_index=0|pts=21120|pts_time=2.640000|dts=21120|dts_time=2.640000|duration=320|duration_time=0.040000|size=4|pos=271|flags=K__|data_hash=CRC32:c1cfda7e
+packet|codec_type=audio|stream_index=0|pts=21440|pts_time=2.680000|dts=21440|dts_time=2.680000|duration=320|duration_time=0.040000|size=4|pos=275|flags=K__|data_hash=CRC32:5ca3640c
+packet|codec_type=audio|stream_index=0|pts=21760|pts_time=2.720000|dts=21760|dts_time=2.720000|duration=320|duration_time=0.040000|size=4|pos=279|flags=K__|data_hash=CRC32:86898adb
+packet|codec_type=audio|stream_index=0|pts=22080|pts_time=2.760000|dts=22080|dts_time=2.760000|duration=320|duration_time=0.040000|size=4|pos=283|flags=K__|data_hash=CRC32:12b10cb1
+packet|codec_type=audio|stream_index=0|pts=22400|pts_time=2.800000|dts=22400|dts_time=2.800000|duration=320|duration_time=0.040000|size=4|pos=287|flags=K__|data_hash=CRC32:bad3ec5b
+packet|codec_type=audio|stream_index=0|pts=22720|pts_time=2.840000|dts=22720|dts_time=2.840000|duration=320|duration_time=0.040000|size=4|pos=291|flags=K__|data_hash=CRC32:a0224b4f
+packet|codec_type=audio|stream_index=0|pts=23040|pts_time=2.880000|dts=23040|dts_time=2.880000|duration=320|duration_time=0.040000|size=4|pos=295|flags=K__|data_hash=CRC32:acd584da
+packet|codec_type=audio|stream_index=0|pts=23360|pts_time=2.920000|dts=23360|dts_time=2.920000|duration=320|duration_time=0.040000|size=4|pos=299|flags=K__|data_hash=CRC32:aba0df88
+packet|codec_type=audio|stream_index=0|pts=23680|pts_time=2.960000|dts=23680|dts_time=2.960000|duration=320|duration_time=0.040000|size=4|pos=303|flags=K__|data_hash=CRC32:69992e4e
+stream|index=0|codec_name=codec2|profile=unknown|codec_type=audio|codec_tag_string=[0][0][0][0]|codec_tag=0x0000|sample_fmt=s16|sample_rate=8000|channels=1|channel_layout=mono|bits_per_sample=0|initial_padding=0|id=N/A|r_frame_rate=0/0|avg_frame_rate=0/0|time_base=1/8000|start_pts=N/A|start_time=N/A|duration_ts=24000|duration=3.000000|bit_rate=800|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=N/A|nb_read_packets=75|extradata_size=4|extradata_hash=CRC32:52a5e61f|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0
+format|filename=cross-700C.c2|nb_streams=1|nb_programs=0|format_name=codec2|start_time=N/A|duration=3.000000|size=307|bit_rate=818|probe_score=51
diff --git a/tests/ref/fate/codec2-probe-cut-1200 b/tests/ref/fate/codec2-probe-cut-1200
new file mode 100644
index 0000000000..cc2fb35ff6
--- /dev/null
+++ b/tests/ref/fate/codec2-probe-cut-1200
@@ -0,0 +1,18 @@ 
+packet|codec_type=audio|stream_index=0|pts=0|pts_time=0.000000|dts=0|dts_time=0.000000|duration=320|duration_time=0.040000|size=6|pos=7|flags=K__|data_hash=CRC32:221d0fc7
+packet|codec_type=audio|stream_index=0|pts=320|pts_time=0.040000|dts=320|dts_time=0.040000|duration=320|duration_time=0.040000|size=6|pos=13|flags=K__|data_hash=CRC32:2bf167b8
+packet|codec_type=audio|stream_index=0|pts=640|pts_time=0.080000|dts=640|dts_time=0.080000|duration=320|duration_time=0.040000|size=6|pos=19|flags=K__|data_hash=CRC32:a7156a29
+packet|codec_type=audio|stream_index=0|pts=960|pts_time=0.120000|dts=960|dts_time=0.120000|duration=320|duration_time=0.040000|size=6|pos=25|flags=K__|data_hash=CRC32:268c4e72
+packet|codec_type=audio|stream_index=0|pts=1280|pts_time=0.160000|dts=1280|dts_time=0.160000|duration=320|duration_time=0.040000|size=6|pos=31|flags=K__|data_hash=CRC32:5a23ffe0
+packet|codec_type=audio|stream_index=0|pts=1600|pts_time=0.200000|dts=1600|dts_time=0.200000|duration=320|duration_time=0.040000|size=6|pos=37|flags=K__|data_hash=CRC32:ed696a9b
+packet|codec_type=audio|stream_index=0|pts=1920|pts_time=0.240000|dts=1920|dts_time=0.240000|duration=320|duration_time=0.040000|size=6|pos=43|flags=K__|data_hash=CRC32:8c2de44f
+packet|codec_type=audio|stream_index=0|pts=2240|pts_time=0.280000|dts=2240|dts_time=0.280000|duration=320|duration_time=0.040000|size=6|pos=49|flags=K__|data_hash=CRC32:46dcc273
+packet|codec_type=audio|stream_index=0|pts=2560|pts_time=0.320000|dts=2560|dts_time=0.320000|duration=320|duration_time=0.040000|size=6|pos=55|flags=K__|data_hash=CRC32:7c6fd6bd
+packet|codec_type=audio|stream_index=0|pts=2880|pts_time=0.360000|dts=2880|dts_time=0.360000|duration=320|duration_time=0.040000|size=6|pos=61|flags=K__|data_hash=CRC32:54794fd6
+packet|codec_type=audio|stream_index=0|pts=3200|pts_time=0.400000|dts=3200|dts_time=0.400000|duration=320|duration_time=0.040000|size=6|pos=67|flags=K__|data_hash=CRC32:f56e65a6
+packet|codec_type=audio|stream_index=0|pts=3520|pts_time=0.440000|dts=3520|dts_time=0.440000|duration=320|duration_time=0.040000|size=6|pos=73|flags=K__|data_hash=CRC32:5a22ccb3
+packet|codec_type=audio|stream_index=0|pts=3840|pts_time=0.480000|dts=3840|dts_time=0.480000|duration=320|duration_time=0.040000|size=6|pos=79|flags=K__|data_hash=CRC32:80096180
+packet|codec_type=audio|stream_index=0|pts=4160|pts_time=0.520000|dts=4160|dts_time=0.520000|duration=320|duration_time=0.040000|size=6|pos=85|flags=K__|data_hash=CRC32:8959f4e8
+packet|codec_type=audio|stream_index=0|pts=4480|pts_time=0.560000|dts=4480|dts_time=0.560000|duration=320|duration_time=0.040000|size=6|pos=91|flags=K__|data_hash=CRC32:cc92a5ce
+packet|codec_type=audio|stream_index=0|pts=4800|pts_time=0.600000|dts=4800|dts_time=0.600000|duration=320|duration_time=0.040000|size=3|pos=97|flags=K_C|data_hash=CRC32:5575a889
+stream|index=0|codec_name=codec2|profile=unknown|codec_type=audio|codec_tag_string=[0][0][0][0]|codec_tag=0x0000|sample_fmt=s16|sample_rate=8000|channels=1|channel_layout=mono|bits_per_sample=0|initial_padding=0|id=N/A|r_frame_rate=0/0|avg_frame_rate=0/0|time_base=1/8000|start_pts=N/A|start_time=N/A|duration_ts=5120|duration=0.640000|bit_rate=1200|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=N/A|nb_read_packets=16|extradata_size=4|extradata_hash=CRC32:e70b9852|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0
+format|filename=cross-cut-1200.c2|nb_streams=1|nb_programs=0|format_name=codec2|start_time=N/A|duration=0.640000|size=100|bit_rate=1250|probe_score=51
diff --git a/tests/ref/fate/codec2-probe-cut-1300 b/tests/ref/fate/codec2-probe-cut-1300
new file mode 100644
index 0000000000..a27143bf6c
--- /dev/null
+++ b/tests/ref/fate/codec2-probe-cut-1300
@@ -0,0 +1,16 @@ 
+packet|codec_type=audio|stream_index=0|pts=0|pts_time=0.000000|dts=0|dts_time=0.000000|duration=320|duration_time=0.040000|size=7|pos=7|flags=K__|data_hash=CRC32:e1c986d9
+packet|codec_type=audio|stream_index=0|pts=320|pts_time=0.040000|dts=320|dts_time=0.040000|duration=320|duration_time=0.040000|size=7|pos=14|flags=K__|data_hash=CRC32:d19871aa
+packet|codec_type=audio|stream_index=0|pts=640|pts_time=0.080000|dts=640|dts_time=0.080000|duration=320|duration_time=0.040000|size=7|pos=21|flags=K__|data_hash=CRC32:720c8431
+packet|codec_type=audio|stream_index=0|pts=960|pts_time=0.120000|dts=960|dts_time=0.120000|duration=320|duration_time=0.040000|size=7|pos=28|flags=K__|data_hash=CRC32:5e0cab28
+packet|codec_type=audio|stream_index=0|pts=1280|pts_time=0.160000|dts=1280|dts_time=0.160000|duration=320|duration_time=0.040000|size=7|pos=35|flags=K__|data_hash=CRC32:431d4805
+packet|codec_type=audio|stream_index=0|pts=1600|pts_time=0.200000|dts=1600|dts_time=0.200000|duration=320|duration_time=0.040000|size=7|pos=42|flags=K__|data_hash=CRC32:e506c285
+packet|codec_type=audio|stream_index=0|pts=1920|pts_time=0.240000|dts=1920|dts_time=0.240000|duration=320|duration_time=0.040000|size=7|pos=49|flags=K__|data_hash=CRC32:b0ca6019
+packet|codec_type=audio|stream_index=0|pts=2240|pts_time=0.280000|dts=2240|dts_time=0.280000|duration=320|duration_time=0.040000|size=7|pos=56|flags=K__|data_hash=CRC32:25ef5865
+packet|codec_type=audio|stream_index=0|pts=2560|pts_time=0.320000|dts=2560|dts_time=0.320000|duration=320|duration_time=0.040000|size=7|pos=63|flags=K__|data_hash=CRC32:230d8966
+packet|codec_type=audio|stream_index=0|pts=2880|pts_time=0.360000|dts=2880|dts_time=0.360000|duration=320|duration_time=0.040000|size=7|pos=70|flags=K__|data_hash=CRC32:f552d25c
+packet|codec_type=audio|stream_index=0|pts=3200|pts_time=0.400000|dts=3200|dts_time=0.400000|duration=320|duration_time=0.040000|size=7|pos=77|flags=K__|data_hash=CRC32:9a0c149d
+packet|codec_type=audio|stream_index=0|pts=3520|pts_time=0.440000|dts=3520|dts_time=0.440000|duration=320|duration_time=0.040000|size=7|pos=84|flags=K__|data_hash=CRC32:c0332732
+packet|codec_type=audio|stream_index=0|pts=3840|pts_time=0.480000|dts=3840|dts_time=0.480000|duration=320|duration_time=0.040000|size=7|pos=91|flags=K__|data_hash=CRC32:7500143a
+packet|codec_type=audio|stream_index=0|pts=4160|pts_time=0.520000|dts=4160|dts_time=0.520000|duration=320|duration_time=0.040000|size=2|pos=98|flags=K_C|data_hash=CRC32:bc065677
+stream|index=0|codec_name=codec2|profile=unknown|codec_type=audio|codec_tag_string=[0][0][0][0]|codec_tag=0x0000|sample_fmt=s16|sample_rate=8000|channels=1|channel_layout=mono|bits_per_sample=0|initial_padding=0|id=N/A|r_frame_rate=0/0|avg_frame_rate=0/0|time_base=1/8000|start_pts=N/A|start_time=N/A|duration_ts=4160|duration=0.520000|bit_rate=1400|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=N/A|nb_read_packets=14|extradata_size=4|extradata_hash=CRC32:fe10a913|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0
+format|filename=cross-cut-1300.c2|nb_streams=1|nb_programs=0|format_name=codec2|start_time=N/A|duration=0.520000|size=100|bit_rate=1538|probe_score=51
diff --git a/tests/ref/fate/codec2-probe-cut-1400 b/tests/ref/fate/codec2-probe-cut-1400
new file mode 100644
index 0000000000..0034271441
--- /dev/null
+++ b/tests/ref/fate/codec2-probe-cut-1400
@@ -0,0 +1,16 @@ 
+packet|codec_type=audio|stream_index=0|pts=0|pts_time=0.000000|dts=0|dts_time=0.000000|duration=320|duration_time=0.040000|size=7|pos=7|flags=K__|data_hash=CRC32:d9be5755
+packet|codec_type=audio|stream_index=0|pts=320|pts_time=0.040000|dts=320|dts_time=0.040000|duration=320|duration_time=0.040000|size=7|pos=14|flags=K__|data_hash=CRC32:472ceccd
+packet|codec_type=audio|stream_index=0|pts=640|pts_time=0.080000|dts=640|dts_time=0.080000|duration=320|duration_time=0.040000|size=7|pos=21|flags=K__|data_hash=CRC32:303b21b6
+packet|codec_type=audio|stream_index=0|pts=960|pts_time=0.120000|dts=960|dts_time=0.120000|duration=320|duration_time=0.040000|size=7|pos=28|flags=K__|data_hash=CRC32:dc2b4dd6
+packet|codec_type=audio|stream_index=0|pts=1280|pts_time=0.160000|dts=1280|dts_time=0.160000|duration=320|duration_time=0.040000|size=7|pos=35|flags=K__|data_hash=CRC32:e8888eb2
+packet|codec_type=audio|stream_index=0|pts=1600|pts_time=0.200000|dts=1600|dts_time=0.200000|duration=320|duration_time=0.040000|size=7|pos=42|flags=K__|data_hash=CRC32:fa3d0618
+packet|codec_type=audio|stream_index=0|pts=1920|pts_time=0.240000|dts=1920|dts_time=0.240000|duration=320|duration_time=0.040000|size=7|pos=49|flags=K__|data_hash=CRC32:68478d05
+packet|codec_type=audio|stream_index=0|pts=2240|pts_time=0.280000|dts=2240|dts_time=0.280000|duration=320|duration_time=0.040000|size=7|pos=56|flags=K__|data_hash=CRC32:5801bcd3
+packet|codec_type=audio|stream_index=0|pts=2560|pts_time=0.320000|dts=2560|dts_time=0.320000|duration=320|duration_time=0.040000|size=7|pos=63|flags=K__|data_hash=CRC32:35119a8e
+packet|codec_type=audio|stream_index=0|pts=2880|pts_time=0.360000|dts=2880|dts_time=0.360000|duration=320|duration_time=0.040000|size=7|pos=70|flags=K__|data_hash=CRC32:7b36b9fd
+packet|codec_type=audio|stream_index=0|pts=3200|pts_time=0.400000|dts=3200|dts_time=0.400000|duration=320|duration_time=0.040000|size=7|pos=77|flags=K__|data_hash=CRC32:efa8ba25
+packet|codec_type=audio|stream_index=0|pts=3520|pts_time=0.440000|dts=3520|dts_time=0.440000|duration=320|duration_time=0.040000|size=7|pos=84|flags=K__|data_hash=CRC32:775b298f
+packet|codec_type=audio|stream_index=0|pts=3840|pts_time=0.480000|dts=3840|dts_time=0.480000|duration=320|duration_time=0.040000|size=7|pos=91|flags=K__|data_hash=CRC32:04a24aad
+packet|codec_type=audio|stream_index=0|pts=4160|pts_time=0.520000|dts=4160|dts_time=0.520000|duration=320|duration_time=0.040000|size=2|pos=98|flags=K_C|data_hash=CRC32:511cb226
+stream|index=0|codec_name=codec2|profile=unknown|codec_type=audio|codec_tag_string=[0][0][0][0]|codec_tag=0x0000|sample_fmt=s16|sample_rate=8000|channels=1|channel_layout=mono|bits_per_sample=0|initial_padding=0|id=N/A|r_frame_rate=0/0|avg_frame_rate=0/0|time_base=1/8000|start_pts=N/A|start_time=N/A|duration_ts=4160|duration=0.520000|bit_rate=1400|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=N/A|nb_read_packets=14|extradata_size=4|extradata_hash=CRC32:b1513fd4|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0
+format|filename=cross-cut-1400.c2|nb_streams=1|nb_programs=0|format_name=codec2|start_time=N/A|duration=0.520000|size=100|bit_rate=1538|probe_score=51
diff --git a/tests/ref/fate/codec2-probe-cut-1600 b/tests/ref/fate/codec2-probe-cut-1600
new file mode 100644
index 0000000000..ed35b9c443
--- /dev/null
+++ b/tests/ref/fate/codec2-probe-cut-1600
@@ -0,0 +1,14 @@ 
+packet|codec_type=audio|stream_index=0|pts=0|pts_time=0.000000|dts=0|dts_time=0.000000|duration=320|duration_time=0.040000|size=8|pos=7|flags=K__|data_hash=CRC32:5ee6636d
+packet|codec_type=audio|stream_index=0|pts=320|pts_time=0.040000|dts=320|dts_time=0.040000|duration=320|duration_time=0.040000|size=8|pos=15|flags=K__|data_hash=CRC32:be3e8ff8
+packet|codec_type=audio|stream_index=0|pts=640|pts_time=0.080000|dts=640|dts_time=0.080000|duration=320|duration_time=0.040000|size=8|pos=23|flags=K__|data_hash=CRC32:026dbc9a
+packet|codec_type=audio|stream_index=0|pts=960|pts_time=0.120000|dts=960|dts_time=0.120000|duration=320|duration_time=0.040000|size=8|pos=31|flags=K__|data_hash=CRC32:975599a2
+packet|codec_type=audio|stream_index=0|pts=1280|pts_time=0.160000|dts=1280|dts_time=0.160000|duration=320|duration_time=0.040000|size=8|pos=39|flags=K__|data_hash=CRC32:c55f65e7
+packet|codec_type=audio|stream_index=0|pts=1600|pts_time=0.200000|dts=1600|dts_time=0.200000|duration=320|duration_time=0.040000|size=8|pos=47|flags=K__|data_hash=CRC32:3731f5b3
+packet|codec_type=audio|stream_index=0|pts=1920|pts_time=0.240000|dts=1920|dts_time=0.240000|duration=320|duration_time=0.040000|size=8|pos=55|flags=K__|data_hash=CRC32:ac397199
+packet|codec_type=audio|stream_index=0|pts=2240|pts_time=0.280000|dts=2240|dts_time=0.280000|duration=320|duration_time=0.040000|size=8|pos=63|flags=K__|data_hash=CRC32:f4291bb5
+packet|codec_type=audio|stream_index=0|pts=2560|pts_time=0.320000|dts=2560|dts_time=0.320000|duration=320|duration_time=0.040000|size=8|pos=71|flags=K__|data_hash=CRC32:91d5ea5c
+packet|codec_type=audio|stream_index=0|pts=2880|pts_time=0.360000|dts=2880|dts_time=0.360000|duration=320|duration_time=0.040000|size=8|pos=79|flags=K__|data_hash=CRC32:a33f36db
+packet|codec_type=audio|stream_index=0|pts=3200|pts_time=0.400000|dts=3200|dts_time=0.400000|duration=320|duration_time=0.040000|size=8|pos=87|flags=K__|data_hash=CRC32:022e9118
+packet|codec_type=audio|stream_index=0|pts=3520|pts_time=0.440000|dts=3520|dts_time=0.440000|duration=320|duration_time=0.040000|size=5|pos=95|flags=K_C|data_hash=CRC32:9b0ed102
+stream|index=0|codec_name=codec2|profile=unknown|codec_type=audio|codec_tag_string=[0][0][0][0]|codec_tag=0x0000|sample_fmt=s16|sample_rate=8000|channels=1|channel_layout=mono|bits_per_sample=0|initial_padding=0|id=N/A|r_frame_rate=0/0|avg_frame_rate=0/0|time_base=1/8000|start_pts=N/A|start_time=N/A|duration_ts=3840|duration=0.480000|bit_rate=1600|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=N/A|nb_read_packets=12|extradata_size=4|extradata_hash=CRC32:a84a0e95|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0
+format|filename=cross-cut-1600.c2|nb_streams=1|nb_programs=0|format_name=codec2|start_time=N/A|duration=0.480000|size=100|bit_rate=1666|probe_score=51
diff --git a/tests/ref/fate/codec2-probe-cut-2400 b/tests/ref/fate/codec2-probe-cut-2400
new file mode 100644
index 0000000000..6bb39b0abe
--- /dev/null
+++ b/tests/ref/fate/codec2-probe-cut-2400
@@ -0,0 +1,18 @@ 
+packet|codec_type=audio|stream_index=0|pts=0|pts_time=0.000000|dts=0|dts_time=0.000000|duration=160|duration_time=0.020000|size=6|pos=7|flags=K__|data_hash=CRC32:402e2751
+packet|codec_type=audio|stream_index=0|pts=160|pts_time=0.020000|dts=160|dts_time=0.020000|duration=160|duration_time=0.020000|size=6|pos=13|flags=K__|data_hash=CRC32:8be241bf
+packet|codec_type=audio|stream_index=0|pts=320|pts_time=0.040000|dts=320|dts_time=0.040000|duration=160|duration_time=0.020000|size=6|pos=19|flags=K__|data_hash=CRC32:affee1a4
+packet|codec_type=audio|stream_index=0|pts=480|pts_time=0.060000|dts=480|dts_time=0.060000|duration=160|duration_time=0.020000|size=6|pos=25|flags=K__|data_hash=CRC32:af3a2722
+packet|codec_type=audio|stream_index=0|pts=640|pts_time=0.080000|dts=640|dts_time=0.080000|duration=160|duration_time=0.020000|size=6|pos=31|flags=K__|data_hash=CRC32:ccde12cd
+packet|codec_type=audio|stream_index=0|pts=800|pts_time=0.100000|dts=800|dts_time=0.100000|duration=160|duration_time=0.020000|size=6|pos=37|flags=K__|data_hash=CRC32:53fa8852
+packet|codec_type=audio|stream_index=0|pts=960|pts_time=0.120000|dts=960|dts_time=0.120000|duration=160|duration_time=0.020000|size=6|pos=43|flags=K__|data_hash=CRC32:8a2715c3
+packet|codec_type=audio|stream_index=0|pts=1120|pts_time=0.140000|dts=1120|dts_time=0.140000|duration=160|duration_time=0.020000|size=6|pos=49|flags=K__|data_hash=CRC32:f5338fbe
+packet|codec_type=audio|stream_index=0|pts=1280|pts_time=0.160000|dts=1280|dts_time=0.160000|duration=160|duration_time=0.020000|size=6|pos=55|flags=K__|data_hash=CRC32:8c4f9b10
+packet|codec_type=audio|stream_index=0|pts=1440|pts_time=0.180000|dts=1440|dts_time=0.180000|duration=160|duration_time=0.020000|size=6|pos=61|flags=K__|data_hash=CRC32:d17ddf33
+packet|codec_type=audio|stream_index=0|pts=1600|pts_time=0.200000|dts=1600|dts_time=0.200000|duration=160|duration_time=0.020000|size=6|pos=67|flags=K__|data_hash=CRC32:1839685d
+packet|codec_type=audio|stream_index=0|pts=1760|pts_time=0.220000|dts=1760|dts_time=0.220000|duration=160|duration_time=0.020000|size=6|pos=73|flags=K__|data_hash=CRC32:fbd1489c
+packet|codec_type=audio|stream_index=0|pts=1920|pts_time=0.240000|dts=1920|dts_time=0.240000|duration=160|duration_time=0.020000|size=6|pos=79|flags=K__|data_hash=CRC32:55174066
+packet|codec_type=audio|stream_index=0|pts=2080|pts_time=0.260000|dts=2080|dts_time=0.260000|duration=160|duration_time=0.020000|size=6|pos=85|flags=K__|data_hash=CRC32:4931a27d
+packet|codec_type=audio|stream_index=0|pts=2240|pts_time=0.280000|dts=2240|dts_time=0.280000|duration=160|duration_time=0.020000|size=6|pos=91|flags=K__|data_hash=CRC32:87ef4f97
+packet|codec_type=audio|stream_index=0|pts=2400|pts_time=0.300000|dts=2400|dts_time=0.300000|duration=160|duration_time=0.020000|size=3|pos=97|flags=K_C|data_hash=CRC32:cf91772c
+stream|index=0|codec_name=codec2|profile=unknown|codec_type=audio|codec_tag_string=[0][0][0][0]|codec_tag=0x0000|sample_fmt=s16|sample_rate=8000|channels=1|channel_layout=mono|bits_per_sample=0|initial_padding=0|id=N/A|r_frame_rate=0/0|avg_frame_rate=0/0|time_base=1/8000|start_pts=N/A|start_time=N/A|duration_ts=2560|duration=0.320000|bit_rate=2400|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=N/A|nb_read_packets=16|extradata_size=4|extradata_hash=CRC32:83675d56|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0
+format|filename=cross-cut-2400.c2|nb_streams=1|nb_programs=0|format_name=codec2|start_time=N/A|duration=0.320000|size=100|bit_rate=2500|probe_score=51
diff --git a/tests/ref/fate/codec2-probe-cut-3200 b/tests/ref/fate/codec2-probe-cut-3200
new file mode 100644
index 0000000000..18a35e4a52
--- /dev/null
+++ b/tests/ref/fate/codec2-probe-cut-3200
@@ -0,0 +1,14 @@ 
+packet|codec_type=audio|stream_index=0|pts=0|pts_time=0.000000|dts=0|dts_time=0.000000|duration=160|duration_time=0.020000|size=8|pos=7|flags=K__|data_hash=CRC32:47b54c75
+packet|codec_type=audio|stream_index=0|pts=160|pts_time=0.020000|dts=160|dts_time=0.020000|duration=160|duration_time=0.020000|size=8|pos=15|flags=K__|data_hash=CRC32:7664d67c
+packet|codec_type=audio|stream_index=0|pts=320|pts_time=0.040000|dts=320|dts_time=0.040000|duration=160|duration_time=0.020000|size=8|pos=23|flags=K__|data_hash=CRC32:8661cfcf
+packet|codec_type=audio|stream_index=0|pts=480|pts_time=0.060000|dts=480|dts_time=0.060000|duration=160|duration_time=0.020000|size=8|pos=31|flags=K__|data_hash=CRC32:7058a9c8
+packet|codec_type=audio|stream_index=0|pts=640|pts_time=0.080000|dts=640|dts_time=0.080000|duration=160|duration_time=0.020000|size=8|pos=39|flags=K__|data_hash=CRC32:0ba5d0e8
+packet|codec_type=audio|stream_index=0|pts=800|pts_time=0.100000|dts=800|dts_time=0.100000|duration=160|duration_time=0.020000|size=8|pos=47|flags=K__|data_hash=CRC32:ca1b9e09
+packet|codec_type=audio|stream_index=0|pts=960|pts_time=0.120000|dts=960|dts_time=0.120000|duration=160|duration_time=0.020000|size=8|pos=55|flags=K__|data_hash=CRC32:cc6efcdb
+packet|codec_type=audio|stream_index=0|pts=1120|pts_time=0.140000|dts=1120|dts_time=0.140000|duration=160|duration_time=0.020000|size=8|pos=63|flags=K__|data_hash=CRC32:d38a7221
+packet|codec_type=audio|stream_index=0|pts=1280|pts_time=0.160000|dts=1280|dts_time=0.160000|duration=160|duration_time=0.020000|size=8|pos=71|flags=K__|data_hash=CRC32:c2890544
+packet|codec_type=audio|stream_index=0|pts=1440|pts_time=0.180000|dts=1440|dts_time=0.180000|duration=160|duration_time=0.020000|size=8|pos=79|flags=K__|data_hash=CRC32:ef6b161c
+packet|codec_type=audio|stream_index=0|pts=1600|pts_time=0.200000|dts=1600|dts_time=0.200000|duration=160|duration_time=0.020000|size=8|pos=87|flags=K__|data_hash=CRC32:0a8424a9
+packet|codec_type=audio|stream_index=0|pts=1760|pts_time=0.220000|dts=1760|dts_time=0.220000|duration=160|duration_time=0.020000|size=5|pos=95|flags=K_C|data_hash=CRC32:004d2db4
+stream|index=0|codec_name=codec2|profile=unknown|codec_type=audio|codec_tag_string=[0][0][0][0]|codec_tag=0x0000|sample_fmt=s16|sample_rate=8000|channels=1|channel_layout=mono|bits_per_sample=0|initial_padding=0|id=N/A|r_frame_rate=0/0|avg_frame_rate=0/0|time_base=1/8000|start_pts=N/A|start_time=N/A|duration_ts=1920|duration=0.240000|bit_rate=3200|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=N/A|nb_read_packets=12|extradata_size=4|extradata_hash=CRC32:9a7c6c17|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0
+format|filename=cross-cut-3200.c2|nb_streams=1|nb_programs=0|format_name=codec2|start_time=N/A|duration=0.240000|size=100|bit_rate=3333|probe_score=51
diff --git a/tests/ref/fate/codec2-probe-cut-700C b/tests/ref/fate/codec2-probe-cut-700C
new file mode 100644
index 0000000000..116271f40c
--- /dev/null
+++ b/tests/ref/fate/codec2-probe-cut-700C
@@ -0,0 +1,26 @@ 
+packet|codec_type=audio|stream_index=0|pts=0|pts_time=0.000000|dts=0|dts_time=0.000000|duration=320|duration_time=0.040000|size=4|pos=7|flags=K__|data_hash=CRC32:ba74a8a8
+packet|codec_type=audio|stream_index=0|pts=320|pts_time=0.040000|dts=320|dts_time=0.040000|duration=320|duration_time=0.040000|size=4|pos=11|flags=K__|data_hash=CRC32:88da7b69
+packet|codec_type=audio|stream_index=0|pts=640|pts_time=0.080000|dts=640|dts_time=0.080000|duration=320|duration_time=0.040000|size=4|pos=15|flags=K__|data_hash=CRC32:e051f29c
+packet|codec_type=audio|stream_index=0|pts=960|pts_time=0.120000|dts=960|dts_time=0.120000|duration=320|duration_time=0.040000|size=4|pos=19|flags=K__|data_hash=CRC32:7a67dfb3
+packet|codec_type=audio|stream_index=0|pts=1280|pts_time=0.160000|dts=1280|dts_time=0.160000|duration=320|duration_time=0.040000|size=4|pos=23|flags=K__|data_hash=CRC32:6a5e99e7
+packet|codec_type=audio|stream_index=0|pts=1600|pts_time=0.200000|dts=1600|dts_time=0.200000|duration=320|duration_time=0.040000|size=4|pos=27|flags=K__|data_hash=CRC32:2eeae614
+packet|codec_type=audio|stream_index=0|pts=1920|pts_time=0.240000|dts=1920|dts_time=0.240000|duration=320|duration_time=0.040000|size=4|pos=31|flags=K__|data_hash=CRC32:1f05af30
+packet|codec_type=audio|stream_index=0|pts=2240|pts_time=0.280000|dts=2240|dts_time=0.280000|duration=320|duration_time=0.040000|size=4|pos=35|flags=K__|data_hash=CRC32:82db6a54
+packet|codec_type=audio|stream_index=0|pts=2560|pts_time=0.320000|dts=2560|dts_time=0.320000|duration=320|duration_time=0.040000|size=4|pos=39|flags=K__|data_hash=CRC32:618586f0
+packet|codec_type=audio|stream_index=0|pts=2880|pts_time=0.360000|dts=2880|dts_time=0.360000|duration=320|duration_time=0.040000|size=4|pos=43|flags=K__|data_hash=CRC32:2d71324f
+packet|codec_type=audio|stream_index=0|pts=3200|pts_time=0.400000|dts=3200|dts_time=0.400000|duration=320|duration_time=0.040000|size=4|pos=47|flags=K__|data_hash=CRC32:2507f5d3
+packet|codec_type=audio|stream_index=0|pts=3520|pts_time=0.440000|dts=3520|dts_time=0.440000|duration=320|duration_time=0.040000|size=4|pos=51|flags=K__|data_hash=CRC32:b813d1ef
+packet|codec_type=audio|stream_index=0|pts=3840|pts_time=0.480000|dts=3840|dts_time=0.480000|duration=320|duration_time=0.040000|size=4|pos=55|flags=K__|data_hash=CRC32:0850d097
+packet|codec_type=audio|stream_index=0|pts=4160|pts_time=0.520000|dts=4160|dts_time=0.520000|duration=320|duration_time=0.040000|size=4|pos=59|flags=K__|data_hash=CRC32:1271a7df
+packet|codec_type=audio|stream_index=0|pts=4480|pts_time=0.560000|dts=4480|dts_time=0.560000|duration=320|duration_time=0.040000|size=4|pos=63|flags=K__|data_hash=CRC32:bd28b85d
+packet|codec_type=audio|stream_index=0|pts=4800|pts_time=0.600000|dts=4800|dts_time=0.600000|duration=320|duration_time=0.040000|size=4|pos=67|flags=K__|data_hash=CRC32:41126e67
+packet|codec_type=audio|stream_index=0|pts=5120|pts_time=0.640000|dts=5120|dts_time=0.640000|duration=320|duration_time=0.040000|size=4|pos=71|flags=K__|data_hash=CRC32:5e4ac580
+packet|codec_type=audio|stream_index=0|pts=5440|pts_time=0.680000|dts=5440|dts_time=0.680000|duration=320|duration_time=0.040000|size=4|pos=75|flags=K__|data_hash=CRC32:8a072bbe
+packet|codec_type=audio|stream_index=0|pts=5760|pts_time=0.720000|dts=5760|dts_time=0.720000|duration=320|duration_time=0.040000|size=4|pos=79|flags=K__|data_hash=CRC32:2844a6ee
+packet|codec_type=audio|stream_index=0|pts=6080|pts_time=0.760000|dts=6080|dts_time=0.760000|duration=320|duration_time=0.040000|size=4|pos=83|flags=K__|data_hash=CRC32:22f21815
+packet|codec_type=audio|stream_index=0|pts=6400|pts_time=0.800000|dts=6400|dts_time=0.800000|duration=320|duration_time=0.040000|size=4|pos=87|flags=K__|data_hash=CRC32:d6ad2b7f
+packet|codec_type=audio|stream_index=0|pts=6720|pts_time=0.840000|dts=6720|dts_time=0.840000|duration=320|duration_time=0.040000|size=4|pos=91|flags=K__|data_hash=CRC32:cd952e76
+packet|codec_type=audio|stream_index=0|pts=7040|pts_time=0.880000|dts=7040|dts_time=0.880000|duration=320|duration_time=0.040000|size=4|pos=95|flags=K__|data_hash=CRC32:b3b92f90
+packet|codec_type=audio|stream_index=0|pts=7360|pts_time=0.920000|dts=7360|dts_time=0.920000|duration=320|duration_time=0.040000|size=1|pos=99|flags=K_C|data_hash=CRC32:7f6567cb
+stream|index=0|codec_name=codec2|profile=unknown|codec_type=audio|codec_tag_string=[0][0][0][0]|codec_tag=0x0000|sample_fmt=s16|sample_rate=8000|channels=1|channel_layout=mono|bits_per_sample=0|initial_padding=0|id=N/A|r_frame_rate=0/0|avg_frame_rate=0/0|time_base=1/8000|start_pts=N/A|start_time=N/A|duration_ts=7680|duration=0.960000|bit_rate=800|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=N/A|nb_read_packets=24|extradata_size=4|extradata_hash=CRC32:52a5e61f|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0
+format|filename=cross-cut-700C.c2|nb_streams=1|nb_programs=0|format_name=codec2|start_time=N/A|duration=0.960000|size=100|bit_rate=833|probe_score=51
diff --git a/tests/ref/fate/codec2-probe-multi-1200 b/tests/ref/fate/codec2-probe-multi-1200
new file mode 100644
index 0000000000..eac20970e7
--- /dev/null
+++ b/tests/ref/fate/codec2-probe-multi-1200
@@ -0,0 +1,10 @@ 
+packet|codec_type=audio|stream_index=0|pts=0|pts_time=0.000000|dts=0|dts_time=0.000000|duration=3200|duration_time=0.400000|size=60|pos=7|flags=K__|data_hash=CRC32:97712e59
+packet|codec_type=audio|stream_index=0|pts=3200|pts_time=0.400000|dts=3200|dts_time=0.400000|duration=3200|duration_time=0.400000|size=60|pos=67|flags=K__|data_hash=CRC32:ead75c0d
+packet|codec_type=audio|stream_index=0|pts=6400|pts_time=0.800000|dts=6400|dts_time=0.800000|duration=3200|duration_time=0.400000|size=60|pos=127|flags=K__|data_hash=CRC32:1fc51feb
+packet|codec_type=audio|stream_index=0|pts=9600|pts_time=1.200000|dts=9600|dts_time=1.200000|duration=3200|duration_time=0.400000|size=60|pos=187|flags=K__|data_hash=CRC32:9f97ee6b
+packet|codec_type=audio|stream_index=0|pts=12800|pts_time=1.600000|dts=12800|dts_time=1.600000|duration=3200|duration_time=0.400000|size=60|pos=247|flags=K__|data_hash=CRC32:3705d086
+packet|codec_type=audio|stream_index=0|pts=16000|pts_time=2.000000|dts=16000|dts_time=2.000000|duration=3200|duration_time=0.400000|size=60|pos=307|flags=K__|data_hash=CRC32:4ad7b6d0
+packet|codec_type=audio|stream_index=0|pts=19200|pts_time=2.400000|dts=19200|dts_time=2.400000|duration=3200|duration_time=0.400000|size=60|pos=367|flags=K__|data_hash=CRC32:20338c8c
+packet|codec_type=audio|stream_index=0|pts=22400|pts_time=2.800000|dts=22400|dts_time=2.800000|duration=1600|duration_time=0.200000|size=30|pos=427|flags=K__|data_hash=CRC32:3101b117
+stream|index=0|codec_name=codec2|profile=unknown|codec_type=audio|codec_tag_string=[0][0][0][0]|codec_tag=0x0000|sample_fmt=s16|sample_rate=8000|channels=1|channel_layout=mono|bits_per_sample=0|initial_padding=0|id=N/A|r_frame_rate=0/0|avg_frame_rate=0/0|time_base=1/8000|start_pts=N/A|start_time=N/A|duration_ts=24000|duration=3.000000|bit_rate=1200|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=N/A|nb_read_packets=8|extradata_size=4|extradata_hash=CRC32:e70b9852|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0
+format|filename=cross-1200.c2|nb_streams=1|nb_programs=0|format_name=codec2|start_time=N/A|duration=3.000000|size=457|bit_rate=1218|probe_score=51
diff --git a/tests/ref/fate/codec2-probe-multi-1300 b/tests/ref/fate/codec2-probe-multi-1300
new file mode 100644
index 0000000000..40be0a24bf
--- /dev/null
+++ b/tests/ref/fate/codec2-probe-multi-1300
@@ -0,0 +1,10 @@ 
+packet|codec_type=audio|stream_index=0|pts=0|pts_time=0.000000|dts=0|dts_time=0.000000|duration=3200|duration_time=0.400000|size=70|pos=7|flags=K__|data_hash=CRC32:5e784ba8
+packet|codec_type=audio|stream_index=0|pts=3200|pts_time=0.400000|dts=3200|dts_time=0.400000|duration=3200|duration_time=0.400000|size=70|pos=77|flags=K__|data_hash=CRC32:bc4c87ee
+packet|codec_type=audio|stream_index=0|pts=6400|pts_time=0.800000|dts=6400|dts_time=0.800000|duration=3200|duration_time=0.400000|size=70|pos=147|flags=K__|data_hash=CRC32:0424e8e4
+packet|codec_type=audio|stream_index=0|pts=9600|pts_time=1.200000|dts=9600|dts_time=1.200000|duration=3200|duration_time=0.400000|size=70|pos=217|flags=K__|data_hash=CRC32:c96f3946
+packet|codec_type=audio|stream_index=0|pts=12800|pts_time=1.600000|dts=12800|dts_time=1.600000|duration=3200|duration_time=0.400000|size=70|pos=287|flags=K__|data_hash=CRC32:ddc45481
+packet|codec_type=audio|stream_index=0|pts=16000|pts_time=2.000000|dts=16000|dts_time=2.000000|duration=3200|duration_time=0.400000|size=70|pos=357|flags=K__|data_hash=CRC32:972e3eb2
+packet|codec_type=audio|stream_index=0|pts=19200|pts_time=2.400000|dts=19200|dts_time=2.400000|duration=3200|duration_time=0.400000|size=70|pos=427|flags=K__|data_hash=CRC32:6c36af24
+packet|codec_type=audio|stream_index=0|pts=22400|pts_time=2.800000|dts=22400|dts_time=2.800000|duration=1600|duration_time=0.200000|size=35|pos=497|flags=K__|data_hash=CRC32:4e8805d3
+stream|index=0|codec_name=codec2|profile=unknown|codec_type=audio|codec_tag_string=[0][0][0][0]|codec_tag=0x0000|sample_fmt=s16|sample_rate=8000|channels=1|channel_layout=mono|bits_per_sample=0|initial_padding=0|id=N/A|r_frame_rate=0/0|avg_frame_rate=0/0|time_base=1/8000|start_pts=N/A|start_time=N/A|duration_ts=24000|duration=3.000000|bit_rate=1400|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=N/A|nb_read_packets=8|extradata_size=4|extradata_hash=CRC32:fe10a913|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0
+format|filename=cross-1300.c2|nb_streams=1|nb_programs=0|format_name=codec2|start_time=N/A|duration=3.000000|size=532|bit_rate=1418|probe_score=51
diff --git a/tests/ref/fate/codec2-probe-multi-1400 b/tests/ref/fate/codec2-probe-multi-1400
new file mode 100644
index 0000000000..044d3ee1a9
--- /dev/null
+++ b/tests/ref/fate/codec2-probe-multi-1400
@@ -0,0 +1,10 @@ 
+packet|codec_type=audio|stream_index=0|pts=0|pts_time=0.000000|dts=0|dts_time=0.000000|duration=3200|duration_time=0.400000|size=70|pos=7|flags=K__|data_hash=CRC32:de42f68f
+packet|codec_type=audio|stream_index=0|pts=3200|pts_time=0.400000|dts=3200|dts_time=0.400000|duration=3200|duration_time=0.400000|size=70|pos=77|flags=K__|data_hash=CRC32:c283c3cb
+packet|codec_type=audio|stream_index=0|pts=6400|pts_time=0.800000|dts=6400|dts_time=0.800000|duration=3200|duration_time=0.400000|size=70|pos=147|flags=K__|data_hash=CRC32:84fe588d
+packet|codec_type=audio|stream_index=0|pts=9600|pts_time=1.200000|dts=9600|dts_time=1.200000|duration=3200|duration_time=0.400000|size=70|pos=217|flags=K__|data_hash=CRC32:efe4a245
+packet|codec_type=audio|stream_index=0|pts=12800|pts_time=1.600000|dts=12800|dts_time=1.600000|duration=3200|duration_time=0.400000|size=70|pos=287|flags=K__|data_hash=CRC32:c31f9770
+packet|codec_type=audio|stream_index=0|pts=16000|pts_time=2.000000|dts=16000|dts_time=2.000000|duration=3200|duration_time=0.400000|size=70|pos=357|flags=K__|data_hash=CRC32:151692a9
+packet|codec_type=audio|stream_index=0|pts=19200|pts_time=2.400000|dts=19200|dts_time=2.400000|duration=3200|duration_time=0.400000|size=70|pos=427|flags=K__|data_hash=CRC32:eec5b59a
+packet|codec_type=audio|stream_index=0|pts=22400|pts_time=2.800000|dts=22400|dts_time=2.800000|duration=1600|duration_time=0.200000|size=35|pos=497|flags=K__|data_hash=CRC32:68f492a8
+stream|index=0|codec_name=codec2|profile=unknown|codec_type=audio|codec_tag_string=[0][0][0][0]|codec_tag=0x0000|sample_fmt=s16|sample_rate=8000|channels=1|channel_layout=mono|bits_per_sample=0|initial_padding=0|id=N/A|r_frame_rate=0/0|avg_frame_rate=0/0|time_base=1/8000|start_pts=N/A|start_time=N/A|duration_ts=24000|duration=3.000000|bit_rate=1400|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=N/A|nb_read_packets=8|extradata_size=4|extradata_hash=CRC32:b1513fd4|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0
+format|filename=cross-1400.c2|nb_streams=1|nb_programs=0|format_name=codec2|start_time=N/A|duration=3.000000|size=532|bit_rate=1418|probe_score=51
diff --git a/tests/ref/fate/codec2-probe-multi-1600 b/tests/ref/fate/codec2-probe-multi-1600
new file mode 100644
index 0000000000..11a3e645c1
--- /dev/null
+++ b/tests/ref/fate/codec2-probe-multi-1600
@@ -0,0 +1,10 @@ 
+packet|codec_type=audio|stream_index=0|pts=0|pts_time=0.000000|dts=0|dts_time=0.000000|duration=3200|duration_time=0.400000|size=80|pos=7|flags=K__|data_hash=CRC32:74196300
+packet|codec_type=audio|stream_index=0|pts=3200|pts_time=0.400000|dts=3200|dts_time=0.400000|duration=3200|duration_time=0.400000|size=80|pos=87|flags=K__|data_hash=CRC32:13fdb6e5
+packet|codec_type=audio|stream_index=0|pts=6400|pts_time=0.800000|dts=6400|dts_time=0.800000|duration=3200|duration_time=0.400000|size=80|pos=167|flags=K__|data_hash=CRC32:8b1c3219
+packet|codec_type=audio|stream_index=0|pts=9600|pts_time=1.200000|dts=9600|dts_time=1.200000|duration=3200|duration_time=0.400000|size=80|pos=247|flags=K__|data_hash=CRC32:c2639e6e
+packet|codec_type=audio|stream_index=0|pts=12800|pts_time=1.600000|dts=12800|dts_time=1.600000|duration=3200|duration_time=0.400000|size=80|pos=327|flags=K__|data_hash=CRC32:e37eabc6
+packet|codec_type=audio|stream_index=0|pts=16000|pts_time=2.000000|dts=16000|dts_time=2.000000|duration=3200|duration_time=0.400000|size=80|pos=407|flags=K__|data_hash=CRC32:ade0886c
+packet|codec_type=audio|stream_index=0|pts=19200|pts_time=2.400000|dts=19200|dts_time=2.400000|duration=3200|duration_time=0.400000|size=80|pos=487|flags=K__|data_hash=CRC32:2ab5600a
+packet|codec_type=audio|stream_index=0|pts=22400|pts_time=2.800000|dts=22400|dts_time=2.800000|duration=1600|duration_time=0.200000|size=40|pos=567|flags=K__|data_hash=CRC32:e378558d
+stream|index=0|codec_name=codec2|profile=unknown|codec_type=audio|codec_tag_string=[0][0][0][0]|codec_tag=0x0000|sample_fmt=s16|sample_rate=8000|channels=1|channel_layout=mono|bits_per_sample=0|initial_padding=0|id=N/A|r_frame_rate=0/0|avg_frame_rate=0/0|time_base=1/8000|start_pts=N/A|start_time=N/A|duration_ts=24000|duration=3.000000|bit_rate=1600|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=N/A|nb_read_packets=8|extradata_size=4|extradata_hash=CRC32:a84a0e95|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0
+format|filename=cross-1600.c2|nb_streams=1|nb_programs=0|format_name=codec2|start_time=N/A|duration=3.000000|size=607|bit_rate=1618|probe_score=51
diff --git a/tests/ref/fate/codec2-probe-multi-2400 b/tests/ref/fate/codec2-probe-multi-2400
new file mode 100644
index 0000000000..4651de463c
--- /dev/null
+++ b/tests/ref/fate/codec2-probe-multi-2400
@@ -0,0 +1,17 @@ 
+packet|codec_type=audio|stream_index=0|pts=0|pts_time=0.000000|dts=0|dts_time=0.000000|duration=1600|duration_time=0.200000|size=60|pos=7|flags=K__|data_hash=CRC32:7283101b
+packet|codec_type=audio|stream_index=0|pts=1600|pts_time=0.200000|dts=1600|dts_time=0.200000|duration=1600|duration_time=0.200000|size=60|pos=67|flags=K__|data_hash=CRC32:b60d32b9
+packet|codec_type=audio|stream_index=0|pts=3200|pts_time=0.400000|dts=3200|dts_time=0.400000|duration=1600|duration_time=0.200000|size=60|pos=127|flags=K__|data_hash=CRC32:23321384
+packet|codec_type=audio|stream_index=0|pts=4800|pts_time=0.600000|dts=4800|dts_time=0.600000|duration=1600|duration_time=0.200000|size=60|pos=187|flags=K__|data_hash=CRC32:05a4af80
+packet|codec_type=audio|stream_index=0|pts=6400|pts_time=0.800000|dts=6400|dts_time=0.800000|duration=1600|duration_time=0.200000|size=60|pos=247|flags=K__|data_hash=CRC32:d012a0f0
+packet|codec_type=audio|stream_index=0|pts=8000|pts_time=1.000000|dts=8000|dts_time=1.000000|duration=1600|duration_time=0.200000|size=60|pos=307|flags=K__|data_hash=CRC32:b0cffe2a
+packet|codec_type=audio|stream_index=0|pts=9600|pts_time=1.200000|dts=9600|dts_time=1.200000|duration=1600|duration_time=0.200000|size=60|pos=367|flags=K__|data_hash=CRC32:4750fd61
+packet|codec_type=audio|stream_index=0|pts=11200|pts_time=1.400000|dts=11200|dts_time=1.400000|duration=1600|duration_time=0.200000|size=60|pos=427|flags=K__|data_hash=CRC32:d901d843
+packet|codec_type=audio|stream_index=0|pts=12800|pts_time=1.600000|dts=12800|dts_time=1.600000|duration=1600|duration_time=0.200000|size=60|pos=487|flags=K__|data_hash=CRC32:db968789
+packet|codec_type=audio|stream_index=0|pts=14400|pts_time=1.800000|dts=14400|dts_time=1.800000|duration=1600|duration_time=0.200000|size=60|pos=547|flags=K__|data_hash=CRC32:a4ef5efc
+packet|codec_type=audio|stream_index=0|pts=16000|pts_time=2.000000|dts=16000|dts_time=2.000000|duration=1600|duration_time=0.200000|size=60|pos=607|flags=K__|data_hash=CRC32:3062461d
+packet|codec_type=audio|stream_index=0|pts=17600|pts_time=2.200000|dts=17600|dts_time=2.200000|duration=1600|duration_time=0.200000|size=60|pos=667|flags=K__|data_hash=CRC32:8232537a
+packet|codec_type=audio|stream_index=0|pts=19200|pts_time=2.400000|dts=19200|dts_time=2.400000|duration=1600|duration_time=0.200000|size=60|pos=727|flags=K__|data_hash=CRC32:fb52665c
+packet|codec_type=audio|stream_index=0|pts=20800|pts_time=2.600000|dts=20800|dts_time=2.600000|duration=1600|duration_time=0.200000|size=60|pos=787|flags=K__|data_hash=CRC32:14e8d636
+packet|codec_type=audio|stream_index=0|pts=22400|pts_time=2.800000|dts=22400|dts_time=2.800000|duration=1600|duration_time=0.200000|size=60|pos=847|flags=K__|data_hash=CRC32:416fffb7
+stream|index=0|codec_name=codec2|profile=unknown|codec_type=audio|codec_tag_string=[0][0][0][0]|codec_tag=0x0000|sample_fmt=s16|sample_rate=8000|channels=1|channel_layout=mono|bits_per_sample=0|initial_padding=0|id=N/A|r_frame_rate=0/0|avg_frame_rate=0/0|time_base=1/8000|start_pts=N/A|start_time=N/A|duration_ts=24000|duration=3.000000|bit_rate=2400|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=N/A|nb_read_packets=15|extradata_size=4|extradata_hash=CRC32:83675d56|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0
+format|filename=cross-2400.c2|nb_streams=1|nb_programs=0|format_name=codec2|start_time=N/A|duration=3.000000|size=907|bit_rate=2418|probe_score=51
diff --git a/tests/ref/fate/codec2-probe-multi-3200 b/tests/ref/fate/codec2-probe-multi-3200
new file mode 100644
index 0000000000..a32aaa2212
--- /dev/null
+++ b/tests/ref/fate/codec2-probe-multi-3200
@@ -0,0 +1,17 @@ 
+packet|codec_type=audio|stream_index=0|pts=0|pts_time=0.000000|dts=0|dts_time=0.000000|duration=1600|duration_time=0.200000|size=80|pos=7|flags=K__|data_hash=CRC32:5f0b44d5
+packet|codec_type=audio|stream_index=0|pts=1600|pts_time=0.200000|dts=1600|dts_time=0.200000|duration=1600|duration_time=0.200000|size=80|pos=87|flags=K__|data_hash=CRC32:746132c5
+packet|codec_type=audio|stream_index=0|pts=3200|pts_time=0.400000|dts=3200|dts_time=0.400000|duration=1600|duration_time=0.200000|size=80|pos=167|flags=K__|data_hash=CRC32:cbe22ba3
+packet|codec_type=audio|stream_index=0|pts=4800|pts_time=0.600000|dts=4800|dts_time=0.600000|duration=1600|duration_time=0.200000|size=80|pos=247|flags=K__|data_hash=CRC32:2803be77
+packet|codec_type=audio|stream_index=0|pts=6400|pts_time=0.800000|dts=6400|dts_time=0.800000|duration=1600|duration_time=0.200000|size=80|pos=327|flags=K__|data_hash=CRC32:37dcc107
+packet|codec_type=audio|stream_index=0|pts=8000|pts_time=1.000000|dts=8000|dts_time=1.000000|duration=1600|duration_time=0.200000|size=80|pos=407|flags=K__|data_hash=CRC32:9137ae4f
+packet|codec_type=audio|stream_index=0|pts=9600|pts_time=1.200000|dts=9600|dts_time=1.200000|duration=1600|duration_time=0.200000|size=80|pos=487|flags=K__|data_hash=CRC32:f7595349
+packet|codec_type=audio|stream_index=0|pts=11200|pts_time=1.400000|dts=11200|dts_time=1.400000|duration=1600|duration_time=0.200000|size=80|pos=567|flags=K__|data_hash=CRC32:dfca2c27
+packet|codec_type=audio|stream_index=0|pts=12800|pts_time=1.600000|dts=12800|dts_time=1.600000|duration=1600|duration_time=0.200000|size=80|pos=647|flags=K__|data_hash=CRC32:05123c92
+packet|codec_type=audio|stream_index=0|pts=14400|pts_time=1.800000|dts=14400|dts_time=1.800000|duration=1600|duration_time=0.200000|size=80|pos=727|flags=K__|data_hash=CRC32:51061a8f
+packet|codec_type=audio|stream_index=0|pts=16000|pts_time=2.000000|dts=16000|dts_time=2.000000|duration=1600|duration_time=0.200000|size=80|pos=807|flags=K__|data_hash=CRC32:6ded78d0
+packet|codec_type=audio|stream_index=0|pts=17600|pts_time=2.200000|dts=17600|dts_time=2.200000|duration=1600|duration_time=0.200000|size=80|pos=887|flags=K__|data_hash=CRC32:223d4a63
+packet|codec_type=audio|stream_index=0|pts=19200|pts_time=2.400000|dts=19200|dts_time=2.400000|duration=1600|duration_time=0.200000|size=80|pos=967|flags=K__|data_hash=CRC32:991f4258
+packet|codec_type=audio|stream_index=0|pts=20800|pts_time=2.600000|dts=20800|dts_time=2.600000|duration=1600|duration_time=0.200000|size=80|pos=1047|flags=K__|data_hash=CRC32:8122bc3d
+packet|codec_type=audio|stream_index=0|pts=22400|pts_time=2.800000|dts=22400|dts_time=2.800000|duration=1600|duration_time=0.200000|size=80|pos=1127|flags=K__|data_hash=CRC32:bfaf16ca
+stream|index=0|codec_name=codec2|profile=unknown|codec_type=audio|codec_tag_string=[0][0][0][0]|codec_tag=0x0000|sample_fmt=s16|sample_rate=8000|channels=1|channel_layout=mono|bits_per_sample=0|initial_padding=0|id=N/A|r_frame_rate=0/0|avg_frame_rate=0/0|time_base=1/8000|start_pts=N/A|start_time=N/A|duration_ts=24000|duration=3.000000|bit_rate=3200|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=N/A|nb_read_packets=15|extradata_size=4|extradata_hash=CRC32:9a7c6c17|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0
+format|filename=cross-3200.c2|nb_streams=1|nb_programs=0|format_name=codec2|start_time=N/A|duration=3.000000|size=1207|bit_rate=3218|probe_score=51
diff --git a/tests/ref/fate/codec2-probe-multi-700C b/tests/ref/fate/codec2-probe-multi-700C
new file mode 100644
index 0000000000..79d1f4ab9c
--- /dev/null
+++ b/tests/ref/fate/codec2-probe-multi-700C
@@ -0,0 +1,10 @@ 
+packet|codec_type=audio|stream_index=0|pts=0|pts_time=0.000000|dts=0|dts_time=0.000000|duration=3200|duration_time=0.400000|size=40|pos=7|flags=K__|data_hash=CRC32:810ddca5
+packet|codec_type=audio|stream_index=0|pts=3200|pts_time=0.400000|dts=3200|dts_time=0.400000|duration=3200|duration_time=0.400000|size=40|pos=47|flags=K__|data_hash=CRC32:4d955a6f
+packet|codec_type=audio|stream_index=0|pts=6400|pts_time=0.800000|dts=6400|dts_time=0.800000|duration=3200|duration_time=0.400000|size=40|pos=87|flags=K__|data_hash=CRC32:86f6efa9
+packet|codec_type=audio|stream_index=0|pts=9600|pts_time=1.200000|dts=9600|dts_time=1.200000|duration=3200|duration_time=0.400000|size=40|pos=127|flags=K__|data_hash=CRC32:134dcdcf
+packet|codec_type=audio|stream_index=0|pts=12800|pts_time=1.600000|dts=12800|dts_time=1.600000|duration=3200|duration_time=0.400000|size=40|pos=167|flags=K__|data_hash=CRC32:697284ab
+packet|codec_type=audio|stream_index=0|pts=16000|pts_time=2.000000|dts=16000|dts_time=2.000000|duration=3200|duration_time=0.400000|size=40|pos=207|flags=K__|data_hash=CRC32:19e9ecbb
+packet|codec_type=audio|stream_index=0|pts=19200|pts_time=2.400000|dts=19200|dts_time=2.400000|duration=3200|duration_time=0.400000|size=40|pos=247|flags=K__|data_hash=CRC32:047bbaf1
+packet|codec_type=audio|stream_index=0|pts=22400|pts_time=2.800000|dts=22400|dts_time=2.800000|duration=1600|duration_time=0.200000|size=20|pos=287|flags=K__|data_hash=CRC32:b20be8d4
+stream|index=0|codec_name=codec2|profile=unknown|codec_type=audio|codec_tag_string=[0][0][0][0]|codec_tag=0x0000|sample_fmt=s16|sample_rate=8000|channels=1|channel_layout=mono|bits_per_sample=0|initial_padding=0|id=N/A|r_frame_rate=0/0|avg_frame_rate=0/0|time_base=1/8000|start_pts=N/A|start_time=N/A|duration_ts=24000|duration=3.000000|bit_rate=800|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=N/A|nb_read_packets=8|extradata_size=4|extradata_hash=CRC32:52a5e61f|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0
+format|filename=cross-700C.c2|nb_streams=1|nb_programs=0|format_name=codec2|start_time=N/A|duration=3.000000|size=307|bit_rate=818|probe_score=51
diff --git a/tests/ref/fate/codec2-probe-multi-cut-1200 b/tests/ref/fate/codec2-probe-multi-cut-1200
new file mode 100644
index 0000000000..58a8709718
--- /dev/null
+++ b/tests/ref/fate/codec2-probe-multi-cut-1200
@@ -0,0 +1,4 @@ 
+packet|codec_type=audio|stream_index=0|pts=0|pts_time=0.000000|dts=0|dts_time=0.000000|duration=3200|duration_time=0.400000|size=60|pos=7|flags=K__|data_hash=CRC32:97712e59
+packet|codec_type=audio|stream_index=0|pts=3200|pts_time=0.400000|dts=3200|dts_time=0.400000|duration=1600|duration_time=0.200000|size=33|pos=67|flags=K_C|data_hash=CRC32:54020dae
+stream|index=0|codec_name=codec2|profile=unknown|codec_type=audio|codec_tag_string=[0][0][0][0]|codec_tag=0x0000|sample_fmt=s16|sample_rate=8000|channels=1|channel_layout=mono|bits_per_sample=0|initial_padding=0|id=N/A|r_frame_rate=0/0|avg_frame_rate=0/0|time_base=1/8000|start_pts=N/A|start_time=N/A|duration_ts=5120|duration=0.640000|bit_rate=1200|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=N/A|nb_read_packets=2|extradata_size=4|extradata_hash=CRC32:e70b9852|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0
+format|filename=cross-cut-1200.c2|nb_streams=1|nb_programs=0|format_name=codec2|start_time=N/A|duration=0.640000|size=100|bit_rate=1250|probe_score=51
diff --git a/tests/ref/fate/codec2-probe-multi-cut-1300 b/tests/ref/fate/codec2-probe-multi-cut-1300
new file mode 100644
index 0000000000..b571a2f082
--- /dev/null
+++ b/tests/ref/fate/codec2-probe-multi-cut-1300
@@ -0,0 +1,4 @@ 
+packet|codec_type=audio|stream_index=0|pts=0|pts_time=0.000000|dts=0|dts_time=0.000000|duration=3200|duration_time=0.400000|size=70|pos=7|flags=K__|data_hash=CRC32:5e784ba8
+packet|codec_type=audio|stream_index=0|pts=3200|pts_time=0.400000|dts=3200|dts_time=0.400000|duration=960|duration_time=0.120000|size=23|pos=77|flags=K_C|data_hash=CRC32:812b14ca
+stream|index=0|codec_name=codec2|profile=unknown|codec_type=audio|codec_tag_string=[0][0][0][0]|codec_tag=0x0000|sample_fmt=s16|sample_rate=8000|channels=1|channel_layout=mono|bits_per_sample=0|initial_padding=0|id=N/A|r_frame_rate=0/0|avg_frame_rate=0/0|time_base=1/8000|start_pts=N/A|start_time=N/A|duration_ts=4160|duration=0.520000|bit_rate=1400|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=N/A|nb_read_packets=2|extradata_size=4|extradata_hash=CRC32:fe10a913|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0
+format|filename=cross-cut-1300.c2|nb_streams=1|nb_programs=0|format_name=codec2|start_time=N/A|duration=0.520000|size=100|bit_rate=1538|probe_score=51
diff --git a/tests/ref/fate/codec2-probe-multi-cut-1400 b/tests/ref/fate/codec2-probe-multi-cut-1400
new file mode 100644
index 0000000000..d69d9c5a11
--- /dev/null
+++ b/tests/ref/fate/codec2-probe-multi-cut-1400
@@ -0,0 +1,4 @@ 
+packet|codec_type=audio|stream_index=0|pts=0|pts_time=0.000000|dts=0|dts_time=0.000000|duration=3200|duration_time=0.400000|size=70|pos=7|flags=K__|data_hash=CRC32:de42f68f
+packet|codec_type=audio|stream_index=0|pts=3200|pts_time=0.400000|dts=3200|dts_time=0.400000|duration=960|duration_time=0.120000|size=23|pos=77|flags=K_C|data_hash=CRC32:c872c31e
+stream|index=0|codec_name=codec2|profile=unknown|codec_type=audio|codec_tag_string=[0][0][0][0]|codec_tag=0x0000|sample_fmt=s16|sample_rate=8000|channels=1|channel_layout=mono|bits_per_sample=0|initial_padding=0|id=N/A|r_frame_rate=0/0|avg_frame_rate=0/0|time_base=1/8000|start_pts=N/A|start_time=N/A|duration_ts=4160|duration=0.520000|bit_rate=1400|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=N/A|nb_read_packets=2|extradata_size=4|extradata_hash=CRC32:b1513fd4|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0
+format|filename=cross-cut-1400.c2|nb_streams=1|nb_programs=0|format_name=codec2|start_time=N/A|duration=0.520000|size=100|bit_rate=1538|probe_score=51
diff --git a/tests/ref/fate/codec2-probe-multi-cut-1600 b/tests/ref/fate/codec2-probe-multi-cut-1600
new file mode 100644
index 0000000000..9134c1ea6b
--- /dev/null
+++ b/tests/ref/fate/codec2-probe-multi-cut-1600
@@ -0,0 +1,4 @@ 
+packet|codec_type=audio|stream_index=0|pts=0|pts_time=0.000000|dts=0|dts_time=0.000000|duration=3200|duration_time=0.400000|size=80|pos=7|flags=K__|data_hash=CRC32:74196300
+packet|codec_type=audio|stream_index=0|pts=3200|pts_time=0.400000|dts=3200|dts_time=0.400000|duration=320|duration_time=0.040000|size=13|pos=87|flags=K_C|data_hash=CRC32:ce8782e8
+stream|index=0|codec_name=codec2|profile=unknown|codec_type=audio|codec_tag_string=[0][0][0][0]|codec_tag=0x0000|sample_fmt=s16|sample_rate=8000|channels=1|channel_layout=mono|bits_per_sample=0|initial_padding=0|id=N/A|r_frame_rate=0/0|avg_frame_rate=0/0|time_base=1/8000|start_pts=N/A|start_time=N/A|duration_ts=3840|duration=0.480000|bit_rate=1600|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=N/A|nb_read_packets=2|extradata_size=4|extradata_hash=CRC32:a84a0e95|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0
+format|filename=cross-cut-1600.c2|nb_streams=1|nb_programs=0|format_name=codec2|start_time=N/A|duration=0.480000|size=100|bit_rate=1666|probe_score=51
diff --git a/tests/ref/fate/codec2-probe-multi-cut-2400 b/tests/ref/fate/codec2-probe-multi-cut-2400
new file mode 100644
index 0000000000..5a4a17a516
--- /dev/null
+++ b/tests/ref/fate/codec2-probe-multi-cut-2400
@@ -0,0 +1,4 @@ 
+packet|codec_type=audio|stream_index=0|pts=0|pts_time=0.000000|dts=0|dts_time=0.000000|duration=1600|duration_time=0.200000|size=60|pos=7|flags=K__|data_hash=CRC32:7283101b
+packet|codec_type=audio|stream_index=0|pts=1600|pts_time=0.200000|dts=1600|dts_time=0.200000|duration=800|duration_time=0.100000|size=33|pos=67|flags=K_C|data_hash=CRC32:7ffca071
+stream|index=0|codec_name=codec2|profile=unknown|codec_type=audio|codec_tag_string=[0][0][0][0]|codec_tag=0x0000|sample_fmt=s16|sample_rate=8000|channels=1|channel_layout=mono|bits_per_sample=0|initial_padding=0|id=N/A|r_frame_rate=0/0|avg_frame_rate=0/0|time_base=1/8000|start_pts=N/A|start_time=N/A|duration_ts=2560|duration=0.320000|bit_rate=2400|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=N/A|nb_read_packets=2|extradata_size=4|extradata_hash=CRC32:83675d56|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0
+format|filename=cross-cut-2400.c2|nb_streams=1|nb_programs=0|format_name=codec2|start_time=N/A|duration=0.320000|size=100|bit_rate=2500|probe_score=51
diff --git a/tests/ref/fate/codec2-probe-multi-cut-3200 b/tests/ref/fate/codec2-probe-multi-cut-3200
new file mode 100644
index 0000000000..a038f6173e
--- /dev/null
+++ b/tests/ref/fate/codec2-probe-multi-cut-3200
@@ -0,0 +1,4 @@ 
+packet|codec_type=audio|stream_index=0|pts=0|pts_time=0.000000|dts=0|dts_time=0.000000|duration=1600|duration_time=0.200000|size=80|pos=7|flags=K__|data_hash=CRC32:5f0b44d5
+packet|codec_type=audio|stream_index=0|pts=1600|pts_time=0.200000|dts=1600|dts_time=0.200000|duration=160|duration_time=0.020000|size=13|pos=87|flags=K_C|data_hash=CRC32:4ef9b3ec
+stream|index=0|codec_name=codec2|profile=unknown|codec_type=audio|codec_tag_string=[0][0][0][0]|codec_tag=0x0000|sample_fmt=s16|sample_rate=8000|channels=1|channel_layout=mono|bits_per_sample=0|initial_padding=0|id=N/A|r_frame_rate=0/0|avg_frame_rate=0/0|time_base=1/8000|start_pts=N/A|start_time=N/A|duration_ts=1920|duration=0.240000|bit_rate=3200|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=N/A|nb_read_packets=2|extradata_size=4|extradata_hash=CRC32:9a7c6c17|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0
+format|filename=cross-cut-3200.c2|nb_streams=1|nb_programs=0|format_name=codec2|start_time=N/A|duration=0.240000|size=100|bit_rate=3333|probe_score=51
diff --git a/tests/ref/fate/codec2-probe-multi-cut-700C b/tests/ref/fate/codec2-probe-multi-cut-700C
new file mode 100644
index 0000000000..90bb367568
--- /dev/null
+++ b/tests/ref/fate/codec2-probe-multi-cut-700C
@@ -0,0 +1,5 @@ 
+packet|codec_type=audio|stream_index=0|pts=0|pts_time=0.000000|dts=0|dts_time=0.000000|duration=3200|duration_time=0.400000|size=40|pos=7|flags=K__|data_hash=CRC32:810ddca5
+packet|codec_type=audio|stream_index=0|pts=3200|pts_time=0.400000|dts=3200|dts_time=0.400000|duration=3200|duration_time=0.400000|size=40|pos=47|flags=K__|data_hash=CRC32:4d955a6f
+packet|codec_type=audio|stream_index=0|pts=6400|pts_time=0.800000|dts=6400|dts_time=0.800000|duration=960|duration_time=0.120000|size=13|pos=87|flags=K_C|data_hash=CRC32:55376c42
+stream|index=0|codec_name=codec2|profile=unknown|codec_type=audio|codec_tag_string=[0][0][0][0]|codec_tag=0x0000|sample_fmt=s16|sample_rate=8000|channels=1|channel_layout=mono|bits_per_sample=0|initial_padding=0|id=N/A|r_frame_rate=0/0|avg_frame_rate=0/0|time_base=1/8000|start_pts=N/A|start_time=N/A|duration_ts=7680|duration=0.960000|bit_rate=800|max_bit_rate=N/A|bits_per_raw_sample=N/A|nb_frames=N/A|nb_read_frames=N/A|nb_read_packets=3|extradata_size=4|extradata_hash=CRC32:52a5e61f|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|disposition:timed_thumbnails=0|disposition:non_diegetic=0|disposition:captions=0|disposition:descriptions=0|disposition:metadata=0|disposition:dependent=0|disposition:still_image=0
+format|filename=cross-cut-700C.c2|nb_streams=1|nb_programs=0|format_name=codec2|start_time=N/A|duration=0.960000|size=100|bit_rate=833|probe_score=51
diff --git a/tests/ref/fate/libcodec2-1200 b/tests/ref/fate/libcodec2-1200
new file mode 100644
index 0000000000..975035985c
--- /dev/null
+++ b/tests/ref/fate/libcodec2-1200
@@ -0,0 +1,12 @@ 
+frames.frame.0.pkt_dts=0
+frames.frame.1.pkt_dts=3200
+frames.frame.2.pkt_dts=6400
+frames.frame.3.pkt_dts=9600
+frames.frame.4.pkt_dts=12800
+frames.frame.5.pkt_dts=16000
+frames.frame.6.pkt_dts=19200
+frames.frame.7.pkt_dts=22400
+streams.stream.0.codec_name="codec2"
+streams.stream.0.sample_rate="8000"
+streams.stream.0.channels=1
+streams.stream.0.duration="3.000000"
diff --git a/tests/ref/fate/libcodec2-1300 b/tests/ref/fate/libcodec2-1300
new file mode 100644
index 0000000000..975035985c
--- /dev/null
+++ b/tests/ref/fate/libcodec2-1300
@@ -0,0 +1,12 @@ 
+frames.frame.0.pkt_dts=0
+frames.frame.1.pkt_dts=3200
+frames.frame.2.pkt_dts=6400
+frames.frame.3.pkt_dts=9600
+frames.frame.4.pkt_dts=12800
+frames.frame.5.pkt_dts=16000
+frames.frame.6.pkt_dts=19200
+frames.frame.7.pkt_dts=22400
+streams.stream.0.codec_name="codec2"
+streams.stream.0.sample_rate="8000"
+streams.stream.0.channels=1
+streams.stream.0.duration="3.000000"
diff --git a/tests/ref/fate/libcodec2-1400 b/tests/ref/fate/libcodec2-1400
new file mode 100644
index 0000000000..975035985c
--- /dev/null
+++ b/tests/ref/fate/libcodec2-1400
@@ -0,0 +1,12 @@ 
+frames.frame.0.pkt_dts=0
+frames.frame.1.pkt_dts=3200
+frames.frame.2.pkt_dts=6400
+frames.frame.3.pkt_dts=9600
+frames.frame.4.pkt_dts=12800
+frames.frame.5.pkt_dts=16000
+frames.frame.6.pkt_dts=19200
+frames.frame.7.pkt_dts=22400
+streams.stream.0.codec_name="codec2"
+streams.stream.0.sample_rate="8000"
+streams.stream.0.channels=1
+streams.stream.0.duration="3.000000"
diff --git a/tests/ref/fate/libcodec2-1600 b/tests/ref/fate/libcodec2-1600
new file mode 100644
index 0000000000..975035985c
--- /dev/null
+++ b/tests/ref/fate/libcodec2-1600
@@ -0,0 +1,12 @@ 
+frames.frame.0.pkt_dts=0
+frames.frame.1.pkt_dts=3200
+frames.frame.2.pkt_dts=6400
+frames.frame.3.pkt_dts=9600
+frames.frame.4.pkt_dts=12800
+frames.frame.5.pkt_dts=16000
+frames.frame.6.pkt_dts=19200
+frames.frame.7.pkt_dts=22400
+streams.stream.0.codec_name="codec2"
+streams.stream.0.sample_rate="8000"
+streams.stream.0.channels=1
+streams.stream.0.duration="3.000000"
diff --git a/tests/ref/fate/libcodec2-2400 b/tests/ref/fate/libcodec2-2400
new file mode 100644
index 0000000000..54164aef8b
--- /dev/null
+++ b/tests/ref/fate/libcodec2-2400
@@ -0,0 +1,19 @@ 
+frames.frame.0.pkt_dts=0
+frames.frame.1.pkt_dts=1600
+frames.frame.2.pkt_dts=3200
+frames.frame.3.pkt_dts=4800
+frames.frame.4.pkt_dts=6400
+frames.frame.5.pkt_dts=8000
+frames.frame.6.pkt_dts=9600
+frames.frame.7.pkt_dts=11200
+frames.frame.8.pkt_dts=12800
+frames.frame.9.pkt_dts=14400
+frames.frame.10.pkt_dts=16000
+frames.frame.11.pkt_dts=17600
+frames.frame.12.pkt_dts=19200
+frames.frame.13.pkt_dts=20800
+frames.frame.14.pkt_dts=22400
+streams.stream.0.codec_name="codec2"
+streams.stream.0.sample_rate="8000"
+streams.stream.0.channels=1
+streams.stream.0.duration="3.000000"
diff --git a/tests/ref/fate/libcodec2-3200 b/tests/ref/fate/libcodec2-3200
new file mode 100644
index 0000000000..54164aef8b
--- /dev/null
+++ b/tests/ref/fate/libcodec2-3200
@@ -0,0 +1,19 @@ 
+frames.frame.0.pkt_dts=0
+frames.frame.1.pkt_dts=1600
+frames.frame.2.pkt_dts=3200
+frames.frame.3.pkt_dts=4800
+frames.frame.4.pkt_dts=6400
+frames.frame.5.pkt_dts=8000
+frames.frame.6.pkt_dts=9600
+frames.frame.7.pkt_dts=11200
+frames.frame.8.pkt_dts=12800
+frames.frame.9.pkt_dts=14400
+frames.frame.10.pkt_dts=16000
+frames.frame.11.pkt_dts=17600
+frames.frame.12.pkt_dts=19200
+frames.frame.13.pkt_dts=20800
+frames.frame.14.pkt_dts=22400
+streams.stream.0.codec_name="codec2"
+streams.stream.0.sample_rate="8000"
+streams.stream.0.channels=1
+streams.stream.0.duration="3.000000"
diff --git a/tests/ref/fate/libcodec2-700C b/tests/ref/fate/libcodec2-700C
new file mode 100644
index 0000000000..975035985c
--- /dev/null
+++ b/tests/ref/fate/libcodec2-700C
@@ -0,0 +1,12 @@ 
+frames.frame.0.pkt_dts=0
+frames.frame.1.pkt_dts=3200
+frames.frame.2.pkt_dts=6400
+frames.frame.3.pkt_dts=9600
+frames.frame.4.pkt_dts=12800
+frames.frame.5.pkt_dts=16000
+frames.frame.6.pkt_dts=19200
+frames.frame.7.pkt_dts=22400
+streams.stream.0.codec_name="codec2"
+streams.stream.0.sample_rate="8000"
+streams.stream.0.channels=1
+streams.stream.0.duration="3.000000"
diff --git a/tests/ref/fate/libcodec2-cut-1200 b/tests/ref/fate/libcodec2-cut-1200
new file mode 100644
index 0000000000..ca7b841943
--- /dev/null
+++ b/tests/ref/fate/libcodec2-cut-1200
@@ -0,0 +1,6 @@ 
+frames.frame.0.pkt_dts=0
+frames.frame.1.pkt_dts=3200
+streams.stream.0.codec_name="codec2"
+streams.stream.0.sample_rate="8000"
+streams.stream.0.channels=1
+streams.stream.0.duration="0.600000"
diff --git a/tests/ref/fate/libcodec2-cut-1300 b/tests/ref/fate/libcodec2-cut-1300
new file mode 100644
index 0000000000..96ed128cab
--- /dev/null
+++ b/tests/ref/fate/libcodec2-cut-1300
@@ -0,0 +1,6 @@ 
+frames.frame.0.pkt_dts=0
+frames.frame.1.pkt_dts=3200
+streams.stream.0.codec_name="codec2"
+streams.stream.0.sample_rate="8000"
+streams.stream.0.channels=1
+streams.stream.0.duration="0.520000"
diff --git a/tests/ref/fate/libcodec2-cut-1400 b/tests/ref/fate/libcodec2-cut-1400
new file mode 100644
index 0000000000..96ed128cab
--- /dev/null
+++ b/tests/ref/fate/libcodec2-cut-1400
@@ -0,0 +1,6 @@ 
+frames.frame.0.pkt_dts=0
+frames.frame.1.pkt_dts=3200
+streams.stream.0.codec_name="codec2"
+streams.stream.0.sample_rate="8000"
+streams.stream.0.channels=1
+streams.stream.0.duration="0.520000"
diff --git a/tests/ref/fate/libcodec2-cut-1600 b/tests/ref/fate/libcodec2-cut-1600
new file mode 100644
index 0000000000..556d2be87d
--- /dev/null
+++ b/tests/ref/fate/libcodec2-cut-1600
@@ -0,0 +1,6 @@ 
+frames.frame.0.pkt_dts=0
+frames.frame.1.pkt_dts=3200
+streams.stream.0.codec_name="codec2"
+streams.stream.0.sample_rate="8000"
+streams.stream.0.channels=1
+streams.stream.0.duration="0.440000"
diff --git a/tests/ref/fate/libcodec2-cut-2400 b/tests/ref/fate/libcodec2-cut-2400
new file mode 100644
index 0000000000..84133a8224
--- /dev/null
+++ b/tests/ref/fate/libcodec2-cut-2400
@@ -0,0 +1,6 @@ 
+frames.frame.0.pkt_dts=0
+frames.frame.1.pkt_dts=1600
+streams.stream.0.codec_name="codec2"
+streams.stream.0.sample_rate="8000"
+streams.stream.0.channels=1
+streams.stream.0.duration="0.300000"
diff --git a/tests/ref/fate/libcodec2-cut-3200 b/tests/ref/fate/libcodec2-cut-3200
new file mode 100644
index 0000000000..db93abdb36
--- /dev/null
+++ b/tests/ref/fate/libcodec2-cut-3200
@@ -0,0 +1,6 @@ 
+frames.frame.0.pkt_dts=0
+frames.frame.1.pkt_dts=1600
+streams.stream.0.codec_name="codec2"
+streams.stream.0.sample_rate="8000"
+streams.stream.0.channels=1
+streams.stream.0.duration="0.220000"
diff --git a/tests/ref/fate/libcodec2-cut-700C b/tests/ref/fate/libcodec2-cut-700C
new file mode 100644
index 0000000000..61a5cf9b66
--- /dev/null
+++ b/tests/ref/fate/libcodec2-cut-700C
@@ -0,0 +1,7 @@ 
+frames.frame.0.pkt_dts=0
+frames.frame.1.pkt_dts=3200
+frames.frame.2.pkt_dts=6400
+streams.stream.0.codec_name="codec2"
+streams.stream.0.sample_rate="8000"
+streams.stream.0.channels=1
+streams.stream.0.duration="0.920000"
-- 
2.39.2