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Tue, 19 Mar 2024 07:06:31 -0700 (PDT) Received: from localhost.localdomain ([190.194.167.233]) by smtp.gmail.com with ESMTPSA id b11-20020a170902650b00b001d9aa663282sm10397008plk.266.2024.03.19.07.06.30 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Mar 2024 07:06:31 -0700 (PDT) From: James Almer To: ffmpeg-devel@ffmpeg.org Date: Tue, 19 Mar 2024 11:06:34 -0300 Message-ID: <20240319140636.4323-1-jamrial@gmail.com> X-Mailer: git-send-email 2.44.0 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 1/3] libavcodec/h2645_sei: export raw LCEVC metadata 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 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: Signed-off-by: James Almer --- libavcodec/h2645_sei.c | 36 ++++++++++++++++++++++++++++++++++++ libavcodec/h2645_sei.h | 5 +++++ libavcodec/itut35.h | 2 ++ libavutil/frame.c | 1 + libavutil/frame.h | 5 +++++ 5 files changed, 49 insertions(+) diff --git a/libavcodec/h2645_sei.c b/libavcodec/h2645_sei.c index e8eb15524f..a6e71894ff 100644 --- a/libavcodec/h2645_sei.c +++ b/libavcodec/h2645_sei.c @@ -99,6 +99,20 @@ static int decode_registered_user_data_dynamic_hdr_vivid(HEVCSEIDynamicHDRVivid } #endif +static int decode_registered_user_data_lcevc(HEVCSEILCEVC *s, + GetByteContext *gb) +{ + int size = bytestream2_get_bytes_left(gb); + + av_buffer_unref(&s->info); + s->info = av_buffer_alloc(size); + if (!s->info) + return AVERROR(ENOMEM); + + bytestream2_get_bufferu(gb, s->info->data, size); + return 0; +} + static int decode_registered_user_data_afd(H2645SEIAFD *h, GetByteContext *gb) { int flag; @@ -142,6 +156,7 @@ static int decode_registered_user_data(H2645SEI *h, GetByteContext *gb, } if (country_code != ITU_T_T35_COUNTRY_CODE_US && + country_code != ITU_T_T35_COUNTRY_CODE_UK && country_code != ITU_T_T35_COUNTRY_CODE_CN) { av_log(logctx, AV_LOG_VERBOSE, "Unsupported User Data Registered ITU-T T35 SEI message (country_code = %d)\n", @@ -173,6 +188,13 @@ static int decode_registered_user_data(H2645SEI *h, GetByteContext *gb, } break; } + case ITU_T_T35_PROVIDER_CODE_LCEVC: { + if (bytestream2_get_bytes_left(gb) < 2) + return AVERROR_INVALIDDATA; + + bytestream2_skipu(gb, 1); // user_data_type_code + return decode_registered_user_data_lcevc(&h->lcevc, gb); + } #if CONFIG_HEVC_SEI case ITU_T_T35_PROVIDER_CODE_CUVA: { const uint16_t cuva_provider_oriented_code = 0x0005; @@ -483,6 +505,11 @@ int ff_h2645_sei_ctx_replace(H2645SEI *dst, const H2645SEI *src) av_buffer_unref(&dst->unregistered.buf_ref[i]); dst->unregistered.nb_buf_ref = 0; + ret = av_buffer_replace(&dst->lcevc.info, + src->lcevc.info); + if (ret < 0) + return ret; + if (src->unregistered.nb_buf_ref) { ret = av_reallocp_array(&dst->unregistered.buf_ref, src->unregistered.nb_buf_ref, @@ -773,6 +800,14 @@ int ff_h2645_sei_to_frame(AVFrame *frame, H2645SEI *sei, } } + if (sei->lcevc.info) { + HEVCSEILCEVC *lcevc = &sei->lcevc; + AVFrameSideData *sd = av_frame_new_side_data_from_buf(frame, AV_FRAME_DATA_LCEVC, lcevc->info); + if (!sd) + av_buffer_unref(&lcevc->info); + lcevc->info = NULL; + } + return 0; } @@ -786,6 +821,7 @@ void ff_h2645_sei_reset(H2645SEI *s) av_freep(&s->unregistered.buf_ref); av_buffer_unref(&s->dynamic_hdr_plus.info); av_buffer_unref(&s->dynamic_hdr_vivid.info); + av_buffer_unref(&s->lcevc.info); s->ambient_viewing_environment.present = 0; s->mastering_display.present = 0; diff --git a/libavcodec/h2645_sei.h b/libavcodec/h2645_sei.h index 0ebf48011a..70d7c2277c 100644 --- a/libavcodec/h2645_sei.h +++ b/libavcodec/h2645_sei.h @@ -48,6 +48,10 @@ typedef struct HEVCSEIDynamicHDRVivid { AVBufferRef *info; } HEVCSEIDynamicHDRVivid; +typedef struct HEVCSEILCEVC { + AVBufferRef *info; +} HEVCSEILCEVC; + typedef struct H2645SEIUnregistered { AVBufferRef **buf_ref; unsigned nb_buf_ref; @@ -124,6 +128,7 @@ typedef struct H2645SEI { H2645SEIAFD afd; HEVCSEIDynamicHDRPlus dynamic_hdr_plus; //< HEVC only HEVCSEIDynamicHDRVivid dynamic_hdr_vivid; //< HEVC only + HEVCSEILCEVC lcevc; H2645SEIUnregistered unregistered; H2645SEIFramePacking frame_packing; H2645SEIDisplayOrientation display_orientation; diff --git a/libavcodec/itut35.h b/libavcodec/itut35.h index ffa7024981..a75ef37929 100644 --- a/libavcodec/itut35.h +++ b/libavcodec/itut35.h @@ -20,11 +20,13 @@ #define AVCODEC_ITUT35_H #define ITU_T_T35_COUNTRY_CODE_CN 0x26 +#define ITU_T_T35_COUNTRY_CODE_UK 0xB4 #define ITU_T_T35_COUNTRY_CODE_US 0xB5 #define ITU_T_T35_PROVIDER_CODE_ATSC 0x31 #define ITU_T_T35_PROVIDER_CODE_CUVA 0x04 #define ITU_T_T35_PROVIDER_CODE_DOLBY 0x3B +#define ITU_T_T35_PROVIDER_CODE_LCEVC 0x50 #define ITU_T_T35_PROVIDER_CODE_SMTPE 0x3C #endif /* AVCODEC_ITUT35_H */ diff --git a/libavutil/frame.c b/libavutil/frame.c index 079cf6595b..f872b1c67d 100644 --- a/libavutil/frame.c +++ b/libavutil/frame.c @@ -822,6 +822,7 @@ const char *av_frame_side_data_name(enum AVFrameSideDataType type) case AV_FRAME_DATA_DOVI_RPU_BUFFER: return "Dolby Vision RPU Data"; case AV_FRAME_DATA_DOVI_METADATA: return "Dolby Vision Metadata"; case AV_FRAME_DATA_AMBIENT_VIEWING_ENVIRONMENT: return "Ambient viewing environment"; + case AV_FRAME_DATA_LCEVC: return "Raw LCEVC metadata"; } return NULL; } diff --git a/libavutil/frame.h b/libavutil/frame.h index b94687941d..8959922f85 100644 --- a/libavutil/frame.h +++ b/libavutil/frame.h @@ -224,6 +224,11 @@ enum AVFrameSideDataType { * encoding. */ AV_FRAME_DATA_VIDEO_HINT, + + /** + * Raw LCEVC payload data, as a uint8_t array. + */ + AV_FRAME_DATA_LCEVC, }; enum AVActiveFormatDescription { -- 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".