avcodec/libdav1d: export Dynamic HDR10+ frame metadata
As defined in https://aomediacodec.github.io/av1-hdr10plus/ Reviewed-by: Ronald S. Bultje <rsbultje@gmail.com> Signed-off-by: James Almer <jamrial@gmail.com>
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@ -33,6 +33,7 @@
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#include "bytestream.h"
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#include "codec_internal.h"
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#include "decode.h"
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#include "dynamic_hdr10_plus.h"
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#include "internal.h"
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#define FF_DAV1D_VERSION_AT_LEAST(x,y) \
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@ -511,12 +512,14 @@ FF_ENABLE_DEPRECATION_WARNINGS
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}
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if (p->itut_t35) {
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GetByteContext gb;
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unsigned int user_identifier;
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int provider_code;
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bytestream2_init(&gb, p->itut_t35->payload, p->itut_t35->payload_size);
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bytestream2_skip(&gb, 1); // terminal provider code
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bytestream2_skip(&gb, 1); // terminal provider oriented code
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user_identifier = bytestream2_get_be32(&gb);
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provider_code = bytestream2_get_be16(&gb);
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switch (provider_code) {
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case 0x31: { // atsc_provider_code
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uint32_t user_identifier = bytestream2_get_be32(&gb);
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switch (user_identifier) {
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case MKBETAG('G', 'A', '9', '4'): { // closed captions
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AVBufferRef *buf = NULL;
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@ -536,6 +539,31 @@ FF_ENABLE_DEPRECATION_WARNINGS
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default: // ignore unsupported identifiers
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break;
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}
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}
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case 0x3C: { // smpte_provider_code
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AVDynamicHDRPlus *hdrplus;
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int provider_oriented_code = bytestream2_get_be16(&gb);
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int application_identifier = bytestream2_get_byte(&gb);
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if (p->itut_t35->country_code != 0xB5 ||
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provider_oriented_code != 1 || application_identifier != 4)
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break;
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hdrplus = av_dynamic_hdr_plus_create_side_data(frame);
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if (!hdrplus) {
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res = AVERROR(ENOMEM);
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goto fail;
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}
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res = ff_parse_itu_t_t35_to_dynamic_hdr10_plus(hdrplus, gb.buffer,
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bytestream2_get_bytes_left(&gb));
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if (res < 0)
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goto fail;
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break;
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}
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default: // ignore unsupported provider codes
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break;
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}
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}
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if (p->frame_hdr->film_grain.present && (!dav1d->apply_grain ||
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(c->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN))) {
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