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[FFmpeg-devel] avformat/iamf: use aligned intreadwrite macros where possible

Message ID 20240804133030.2536-1-jamrial@gmail.com
State New
Headers show
Series [FFmpeg-devel] avformat/iamf: use aligned intreadwrite macros where possible | expand

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Commit Message

James Almer Aug. 4, 2024, 1:30 p.m. UTC 
Signed-off-by: James Almer <jamrial@gmail.com>
---
 libavformat/iamf_parse.c  | 12 ++++++------
 libavformat/iamf_reader.c |  4 ++--
 libavformat/iamf_writer.c | 12 ++++++------
 3 files changed, 14 insertions(+), 14 deletions(-)
diff mbox series

Patch

diff --git a/libavformat/iamf_parse.c b/libavformat/iamf_parse.c
index e007d6a7af..296e49157b 100644
--- a/libavformat/iamf_parse.c
+++ b/libavformat/iamf_parse.c
@@ -45,8 +45,8 @@  static int opus_decoder_config(IAMFCodecConfig *codec_config,
     if (!codec_config->extradata)
         return AVERROR(ENOMEM);
 
-    AV_WB32(codec_config->extradata, MKBETAG('O','p','u','s'));
-    AV_WB32(codec_config->extradata + 4, MKBETAG('H','e','a','d'));
+    AV_WB32A(codec_config->extradata,     MKBETAG('O','p','u','s'));
+    AV_WB32A(codec_config->extradata + 4, MKBETAG('H','e','a','d'));
     codec_config->extradata_size = avio_read(pb, codec_config->extradata + 8, left);
     if (codec_config->extradata_size < left)
         return AVERROR_INVALIDDATA;
@@ -283,10 +283,10 @@  static int update_extradata(AVCodecParameters *codecpar)
 
     switch(codecpar->codec_id) {
     case AV_CODEC_ID_OPUS:
-        AV_WB8(codecpar->extradata + 9, codecpar->ch_layout.nb_channels);
-        AV_WL16(codecpar->extradata + 10, AV_RB16(codecpar->extradata + 10)); // Byte swap pre-skip
-        AV_WL32(codecpar->extradata + 12, AV_RB32(codecpar->extradata + 12)); // Byte swap sample rate
-        AV_WL16(codecpar->extradata + 16, AV_RB16(codecpar->extradata + 16)); // Byte swap Output Gain
+        AV_WB8(codecpar->extradata   + 9,  codecpar->ch_layout.nb_channels);
+        AV_WL16A(codecpar->extradata + 10, AV_RB16A(codecpar->extradata + 10)); // Byte swap pre-skip
+        AV_WL32A(codecpar->extradata + 12, AV_RB32A(codecpar->extradata + 12)); // Byte swap sample rate
+        AV_WL16A(codecpar->extradata + 16, AV_RB16A(codecpar->extradata + 16)); // Byte swap Output Gain
         break;
     case AV_CODEC_ID_AAC: {
         uint8_t buf[5];
diff --git a/libavformat/iamf_reader.c b/libavformat/iamf_reader.c
index cdb412f637..b00bb997ca 100644
--- a/libavformat/iamf_reader.c
+++ b/libavformat/iamf_reader.c
@@ -73,8 +73,8 @@  static int audio_frame_obu(AVFormatContext *s, const IAMFDemuxContext *c,
         uint8_t *side_data = av_packet_new_side_data(pkt, AV_PKT_DATA_SKIP_SAMPLES, 10);
         if (!side_data)
             return AVERROR(ENOMEM);
-        AV_WL32(side_data, skip_samples);
-        AV_WL32(side_data + 4, discard_padding);
+        AV_WL32A(side_data, skip_samples);
+        AV_WL32A(side_data + 4, discard_padding);
     }
     if (c->mix) {
         uint8_t *side_data = av_packet_new_side_data(pkt, AV_PKT_DATA_IAMF_MIX_GAIN_PARAM, c->mix_size);
diff --git a/libavformat/iamf_writer.c b/libavformat/iamf_writer.c
index 5e8d8f768b..1b620c38ee 100644
--- a/libavformat/iamf_writer.c
+++ b/libavformat/iamf_writer.c
@@ -42,12 +42,12 @@  static int update_extradata(IAMFCodecConfig *codec_config)
         if (codec_config->extradata_size != 19)
             return AVERROR_INVALIDDATA;
         codec_config->extradata_size -= 8;
-        AV_WB8(codec_config->extradata  + 0, AV_RL8(codec_config->extradata + 8)); // version
-        AV_WB8(codec_config->extradata  + 1, 2); // set channels to stereo
-        AV_WB16(codec_config->extradata + 2, AV_RL16(codec_config->extradata + 10)); // Byte swap pre-skip
-        AV_WB32(codec_config->extradata + 4, AV_RL32(codec_config->extradata + 12)); // Byte swap sample rate
-        AV_WB16(codec_config->extradata + 8, 0); // set Output Gain to 0
-        AV_WB8(codec_config->extradata + 10, AV_RL8(codec_config->extradata + 18)); // Mapping family
+        AV_WB8(codec_config->extradata   + 0,  AV_RL8(codec_config->extradata + 8)); // version
+        AV_WB8(codec_config->extradata   + 1,  2); // set channels to stereo
+        AV_WB16A(codec_config->extradata + 2,  AV_RL16A(codec_config->extradata + 10)); // Byte swap pre-skip
+        AV_WB32A(codec_config->extradata + 4,  AV_RL32A(codec_config->extradata + 12)); // Byte swap sample rate
+        AV_WB16A(codec_config->extradata + 8,  0); // set Output Gain to 0
+        AV_WB8(codec_config->extradata   + 10, AV_RL8(codec_config->extradata + 18)); // Mapping family
         break;
     case AV_CODEC_ID_FLAC: {
         uint8_t buf[13];