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avformat/iamf: rename Codec Config seek_preroll to audio_roll_distance

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The semantics for the field are different than the one in AVCodecParameters,
so use the name defined in the IAMF spec to prevent confusion.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2024-07-18 18:56:54 -03:00
parent 2094f40295
commit 54b8d5e201
3 changed files with 9 additions and 9 deletions
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libavformat/iamf_writer.c
+4 -4
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@@ -79,10 +79,10 @@ static int populate_audio_roll_distance(IAMFCodecConfig *codec_config)
if (!codec_config->nb_samples)
return AVERROR(EINVAL);
// ceil(3840 / nb_samples)
codec_config->seek_preroll = -(1 + ((3840 - 1) / codec_config->nb_samples));
codec_config->audio_roll_distance = -(1 + ((3840 - 1) / codec_config->nb_samples));
break;
case AV_CODEC_ID_AAC:
codec_config->seek_preroll = -1;
codec_config->audio_roll_distance = -1;
break;
case AV_CODEC_ID_FLAC:
case AV_CODEC_ID_PCM_S16BE:
@@ -91,7 +91,7 @@ static int populate_audio_roll_distance(IAMFCodecConfig *codec_config)
case AV_CODEC_ID_PCM_S16LE:
case AV_CODEC_ID_PCM_S24LE:
case AV_CODEC_ID_PCM_S32LE:
codec_config->seek_preroll = 0;
codec_config->audio_roll_distance = 0;
break;
default:
return AVERROR(EINVAL);
@@ -455,7 +455,7 @@ static int iamf_write_codec_config(const IAMFContext *iamf,
avio_wl32(dyn_bc, codec_config->codec_tag);
ffio_write_leb(dyn_bc, codec_config->nb_samples);
avio_wb16(dyn_bc, codec_config->seek_preroll);
avio_wb16(dyn_bc, codec_config->audio_roll_distance);
switch(codec_config->codec_id) {
case AV_CODEC_ID_OPUS: