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Fri, 8 Mar 2024 14:22:02 +0100 (CET) From: Niklas Haas To: ffmpeg-devel@ffmpeg.org Date: Fri, 8 Mar 2024 14:21:08 +0100 Message-ID: <20240308132108.28337-5-ffmpeg@haasn.xyz> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240308132108.28337-1-ffmpeg@haasn.xyz> References: <20240308132108.28337-1-ffmpeg@haasn.xyz> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH v2 3/4] avcodec/h2645_sei: decode AFGS1 T.35 SEI X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Cc: Niklas Haas Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: From: Niklas Haas Changes from v1: - fixed field size of provider_oriented_code (8 instead of 16 bits) --- I restricted this SEI to HEVC for now, until I see a H.264 sample. --- libavcodec/Makefile | 2 +- libavcodec/h2645_sei.c | 38 ++++++++++++++++++++++++++++++++++++++ libavcodec/h2645_sei.h | 3 +++ 3 files changed, 42 insertions(+), 1 deletion(-) diff --git a/libavcodec/Makefile b/libavcodec/Makefile index 5d99120aa91..68e5394d84e 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -105,7 +105,7 @@ OBJS-$(CONFIG_H264_SEI) += h264_sei.o h2645_sei.o OBJS-$(CONFIG_HEVCPARSE) += hevc_parse.o hevc_ps.o hevc_data.o \ h2645data.o h2645_parse.o h2645_vui.o OBJS-$(CONFIG_HEVC_SEI) += hevc_sei.o h2645_sei.o \ - dynamic_hdr_vivid.o + dynamic_hdr_vivid.o aom_film_grain.o OBJS-$(CONFIG_HPELDSP) += hpeldsp.o OBJS-$(CONFIG_HUFFMAN) += huffman.o OBJS-$(CONFIG_HUFFYUVDSP) += huffyuvdsp.o diff --git a/libavcodec/h2645_sei.c b/libavcodec/h2645_sei.c index e60606f43f9..d6452e8fbfa 100644 --- a/libavcodec/h2645_sei.c +++ b/libavcodec/h2645_sei.c @@ -209,6 +209,24 @@ static int decode_registered_user_data(H2645SEI *h, GetByteContext *gb, } break; } + case 0x5890: { // aom_provider_code + const uint16_t aom_grain_provider_oriented_code = 0x0001; + uint16_t provider_oriented_code; + + if (!IS_HEVC(codec_id)) + goto unsupported_provider_code; + + if (bytestream2_get_bytes_left(gb) < 2) + return AVERROR_INVALIDDATA; + + provider_oriented_code = bytestream2_get_byteu(gb); + if (provider_oriented_code == aom_grain_provider_oriented_code) { + return ff_aom_parse_film_grain_sets(&h->aom_film_grain, + gb->buffer, + bytestream2_get_bytes_left(gb)); + } + break; + } unsupported_provider_code: #endif default: @@ -692,6 +710,25 @@ int ff_h2645_sei_to_frame(AVFrame *frame, H2645SEI *sei, avctx->properties |= FF_CODEC_PROPERTY_FILM_GRAIN; } +#if CONFIG_HEVC_SEI + if (sei->aom_film_grain.enable) { + const AVFilmGrainAOMParamSet *fgps; + fgps = ff_aom_select_film_grain_set(&sei->aom_film_grain, frame); + if (fgps && fgps->apply_grain) { + AVFilmGrainParams *fgp = av_film_grain_params_create_side_data(frame); + if (!fgp) + return AVERROR(ENOMEM); + + fgp->type = AV_FILM_GRAIN_PARAMS_AV1; + fgp->seed = fgps->grain_seed; + fgp->codec.aom = fgps->params; + + if (avctx) + avctx->properties |= FF_CODEC_PROPERTY_FILM_GRAIN; + } + } +#endif + if (sei->ambient_viewing_environment.present) { H2645SEIAmbientViewingEnvironment *env = &sei->ambient_viewing_environment; @@ -788,4 +825,5 @@ void ff_h2645_sei_reset(H2645SEI *s) s->ambient_viewing_environment.present = 0; s->mastering_display.present = 0; s->content_light.present = 0; + s->aom_film_grain.enable = 0; } diff --git a/libavcodec/h2645_sei.h b/libavcodec/h2645_sei.h index 0ebf48011af..e5fcfd4e0c2 100644 --- a/libavcodec/h2645_sei.h +++ b/libavcodec/h2645_sei.h @@ -23,7 +23,9 @@ #include "libavutil/buffer.h" #include "libavutil/frame.h" +#include "libavutil/film_grain_params.h" +#include "aom_film_grain.h" #include "avcodec.h" #include "bytestream.h" #include "codec_id.h" @@ -132,6 +134,7 @@ typedef struct H2645SEI { H2645SEIAmbientViewingEnvironment ambient_viewing_environment; H2645SEIMasteringDisplay mastering_display; H2645SEIContentLight content_light; + AVFilmGrainAOMParamSets aom_film_grain; } H2645SEI; enum { -- 2.44.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".