ffmpeg | branch: master | James Almer <jamr...@gmail.com> | Thu Jul 18 18:56:54 2024 -0300| [54b8d5e201c97464625cfb6cfd851ed80976aa44] | committer: James Almer
avformat/iamf: rename Codec Config seek_preroll to audio_roll_distance 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 <jamr...@gmail.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=54b8d5e201c97464625cfb6cfd851ed80976aa44 --- libavformat/iamf.h | 2 +- libavformat/iamf_parse.c | 8 ++++---- libavformat/iamf_writer.c | 8 ++++---- 3 files changed, 9 insertions(+), 9 deletions(-) diff --git a/libavformat/iamf.h b/libavformat/iamf.h index 68f05c635b..fd8b57a096 100644 --- a/libavformat/iamf.h +++ b/libavformat/iamf.h @@ -68,7 +68,7 @@ typedef struct IAMFCodecConfig { enum AVCodecID codec_id; uint32_t codec_tag; unsigned nb_samples; - int seek_preroll; + int audio_roll_distance; int sample_rate; int extradata_size; uint8_t *extradata; diff --git a/libavformat/iamf_parse.c b/libavformat/iamf_parse.c index 2674a5186d..7ad3318833 100644 --- a/libavformat/iamf_parse.c +++ b/libavformat/iamf_parse.c @@ -166,7 +166,7 @@ static int codec_config_obu(void *s, IAMFContext *c, AVIOContext *pb, int len) uint8_t *buf; enum AVCodecID avcodec_id; unsigned codec_config_id, nb_samples, codec_id; - int16_t seek_preroll; + int16_t audio_roll_distance; int ret; buf = av_malloc(len); @@ -186,7 +186,7 @@ static int codec_config_obu(void *s, IAMFContext *c, AVIOContext *pb, int len) codec_config_id = ffio_read_leb(pbc); codec_id = avio_rb32(pbc); nb_samples = ffio_read_leb(pbc); - seek_preroll = avio_rb16(pbc); + audio_roll_distance = avio_rb16(pbc); switch(codec_id) { case MKBETAG('O','p','u','s'): @@ -225,7 +225,7 @@ static int codec_config_obu(void *s, IAMFContext *c, AVIOContext *pb, int len) codec_config->codec_config_id = codec_config_id; codec_config->codec_id = avcodec_id; codec_config->nb_samples = nb_samples; - codec_config->seek_preroll = seek_preroll; + codec_config->audio_roll_distance = audio_roll_distance; switch(codec_id) { case MKBETAG('O','p','u','s'): @@ -683,7 +683,7 @@ static int audio_element_obu(void *s, IAMFContext *c, AVIOContext *pb, int len) substream->codecpar->codec_id = codec_config->codec_id; substream->codecpar->frame_size = codec_config->nb_samples; substream->codecpar->sample_rate = codec_config->sample_rate; - substream->codecpar->seek_preroll = -codec_config->seek_preroll * codec_config->nb_samples; + substream->codecpar->seek_preroll = -codec_config->audio_roll_distance * codec_config->nb_samples; switch(substream->codecpar->codec_id) { case AV_CODEC_ID_AAC: diff --git a/libavformat/iamf_writer.c b/libavformat/iamf_writer.c index 94bfffa95b..c955e1ecaf 100644 --- a/libavformat/iamf_writer.c +++ b/libavformat/iamf_writer.c @@ -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: _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
