As defined in https://aomediacodec.github.io/av1-hdr10plus/
Signed-off-by: James Almer <jamr...@gmail.com> --- A sample is available in https://github.com/AOMediaCodec/av1-hdr10plus/wiki libavcodec/libdav1d.c | 35 +++++++++++++++++++++++++++++++---- 1 file changed, 31 insertions(+), 4 deletions(-) diff --git a/libavcodec/libdav1d.c b/libavcodec/libdav1d.c index 2488a709c7..dcd7cd3f05 100644 --- a/libavcodec/libdav1d.c +++ b/libavcodec/libdav1d.c @@ -33,6 +33,7 @@ #include "bytestream.h" #include "codec_internal.h" #include "decode.h" +#include "dynamic_hdr10_plus.h" #include "internal.h" #define FF_DAV1D_VERSION_AT_LEAST(x,y) \ @@ -511,12 +512,14 @@ FF_ENABLE_DEPRECATION_WARNINGS } if (p->itut_t35) { GetByteContext gb; - unsigned int user_identifier; + int provider_code; bytestream2_init(&gb, p->itut_t35->payload, p->itut_t35->payload_size); - bytestream2_skip(&gb, 1); // terminal provider code - bytestream2_skip(&gb, 1); // terminal provider oriented code - user_identifier = bytestream2_get_be32(&gb); + + provider_code = bytestream2_get_be16(&gb); + switch (provider_code) { + case 0x31: { // atsc_provider_code + uint32_t user_identifier = bytestream2_get_be32(&gb); switch (user_identifier) { case MKBETAG('G', 'A', '9', '4'): { // closed captions AVBufferRef *buf = NULL; @@ -536,6 +539,30 @@ FF_ENABLE_DEPRECATION_WARNINGS default: // ignore unsupported identifiers break; } + } + case 0x3C: { // smpte_provider_code + AVDynamicHDRPlus *hdrplus; + int provider_oriented_code = bytestream2_get_be16(&gb); + int application_identifier = bytestream2_get_byte(&gb); + + if (provider_oriented_code != 1 || application_identifier != 4) + break; + + hdrplus = av_dynamic_hdr_plus_create_side_data(frame); + if (!hdrplus) { + res = AVERROR(ENOMEM); + goto fail; + } + + res = ff_parse_itu_t_t35_to_dynamic_hdr10_plus(hdrplus, gb.buffer, + bytestream2_get_bytes_left(&gb)); + if (res < 0) + goto fail; + break; + } + default: // ignore unsupported provider codes + break; + } } if (p->frame_hdr->film_grain.present && (!dav1d->apply_grain || (c->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN))) { -- 2.39.2 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
