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Git pushed a commit to branch release/8.1
in repository ffmpeg.
The following commit(s) were added to refs/heads/release/8.1 by this push:
new 1034b144ff avformat/iamf_writer: reject muxing PCM streams
1034b144ff is described below
commit 1034b144ff73aeae201ecbf132b3ca89b321ec16
Author: James Almer <[email protected]>
AuthorDate: Sun Jun 14 10:06:27 2026 -0300
Commit: James Almer <[email protected]>
CommitDate: Sun Jun 14 10:06:31 2026 -0300
avformat/iamf_writer: reject muxing PCM streams
Supporting PCM streams requires API changes present in newer releases that
can't be backported, so don't create invalid files.
Signed-off-by: James Almer <[email protected]>
---
libavformat/iamf_writer.c | 31 +------------------------------
1 file changed, 1 insertion(+), 30 deletions(-)
diff --git a/libavformat/iamf_writer.c b/libavformat/iamf_writer.c
index 8d152c14a8..ef7cecab27 100644
--- a/libavformat/iamf_writer.c
+++ b/libavformat/iamf_writer.c
@@ -90,12 +90,6 @@ static int populate_audio_roll_distance(IAMFCodecConfig
*codec_config)
codec_config->audio_roll_distance = -1;
break;
case AV_CODEC_ID_FLAC:
- case AV_CODEC_ID_PCM_S16BE:
- case AV_CODEC_ID_PCM_S24BE:
- case AV_CODEC_ID_PCM_S32BE:
- case AV_CODEC_ID_PCM_S16LE:
- case AV_CODEC_ID_PCM_S24LE:
- case AV_CODEC_ID_PCM_S32LE:
codec_config->audio_roll_distance = 0;
break;
default:
@@ -535,35 +529,12 @@ static int iamf_write_codec_config(const IAMFContext
*iamf,
avio_write(dyn_bc, codec_config->extradata,
codec_config->extradata_size);
break;
case AV_CODEC_ID_PCM_S16LE:
- avio_w8(dyn_bc, 1);
- avio_w8(dyn_bc, 16);
- avio_wb32(dyn_bc, codec_config->sample_rate);
- break;
case AV_CODEC_ID_PCM_S24LE:
- avio_w8(dyn_bc, 1);
- avio_w8(dyn_bc, 24);
- avio_wb32(dyn_bc, codec_config->sample_rate);
- break;
case AV_CODEC_ID_PCM_S32LE:
- avio_w8(dyn_bc, 1);
- avio_w8(dyn_bc, 32);
- avio_wb32(dyn_bc, codec_config->sample_rate);
- break;
case AV_CODEC_ID_PCM_S16BE:
- avio_w8(dyn_bc, 0);
- avio_w8(dyn_bc, 16);
- avio_wb32(dyn_bc, codec_config->sample_rate);
- break;
case AV_CODEC_ID_PCM_S24BE:
- avio_w8(dyn_bc, 0);
- avio_w8(dyn_bc, 24);
- avio_wb32(dyn_bc, codec_config->sample_rate);
- break;
case AV_CODEC_ID_PCM_S32BE:
- avio_w8(dyn_bc, 0);
- avio_w8(dyn_bc, 32);
- avio_wb32(dyn_bc, codec_config->sample_rate);
- break;
+ return AVERROR(ENOSYS);
default:
break;
}
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