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Tue, 14 Jul 2020 16:30:16 -0700 (PDT) Received: from vpn2.localdomain ([161.117.202.209]) by smtp.gmail.com with ESMTPSA id y198sm212954pfg.116.2020.07.14.16.30.15 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 14 Jul 2020 16:30:16 -0700 (PDT) From: lance.lmwang@gmail.com To: ffmpeg-devel@ffmpeg.org Date: Wed, 15 Jul 2020 07:29:58 +0800 Message-Id: <1594769402-22526-2-git-send-email-lance.lmwang@gmail.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1594769402-22526-1-git-send-email-lance.lmwang@gmail.com> References: <1594769402-22526-1-git-send-email-lance.lmwang@gmail.com> Subject: [FFmpeg-devel] [PATCH 2/6] avcodec/utils: add ff_add_s12m_timecode_side_data() X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 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: Limin Wang MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" From: Limin Wang Signed-off-by: Limin Wang --- libavcodec/internal.h | 5 +++++ libavcodec/utils.c | 30 ++++++++++++++++++++++++++++++ 2 files changed, 35 insertions(+) diff --git a/libavcodec/internal.h b/libavcodec/internal.h index 0a1c0a1..e0040fc 100644 --- a/libavcodec/internal.h +++ b/libavcodec/internal.h @@ -364,6 +364,11 @@ int ff_decode_frame_props(AVCodecContext *avctx, AVFrame *frame); AVCPBProperties *ff_add_cpb_side_data(AVCodecContext *avctx); /** + * Add a S12M timecode side data to an codec context. + */ +uint32_t *ff_add_s12m_timecode_side_data(AVCodecContext *avctx); + +/** * Check AVFrame for A53 side data and allocate and fill SEI message with A53 info * * @param frame Raw frame to get A53 side data from diff --git a/libavcodec/utils.c b/libavcodec/utils.c index 2ece34f..270c0c4 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -2029,6 +2029,36 @@ AVCPBProperties *ff_add_cpb_side_data(AVCodecContext *avctx) return props; } +uint32_t *ff_add_s12m_timecode_side_data(AVCodecContext *avctx) +{ + AVPacketSideData *tmp; + uint32_t *data; + int size = sizeof(uint32_t) * 4; + int i; + + for (i = 0; i < avctx->nb_coded_side_data; i++) + if (avctx->coded_side_data[i].type == AV_PKT_DATA_S12M_TIMECODE) + return (uint32_t*)avctx->coded_side_data[i].data; + + data = av_mallocz(size); + if (!data) + return NULL; + + tmp = av_realloc_array(avctx->coded_side_data, avctx->nb_coded_side_data + 1, sizeof(*tmp)); + if (!tmp) { + av_freep(&data); + return NULL; + } + avctx->coded_side_data = tmp; + + avctx->coded_side_data[avctx->nb_coded_side_data].type = AV_PKT_DATA_S12M_TIMECODE; + avctx->coded_side_data[avctx->nb_coded_side_data].data = (uint8_t *)data; + avctx->coded_side_data[avctx->nb_coded_side_data].size = size; + avctx->nb_coded_side_data++; + + return data; +} + static void codec_parameters_reset(AVCodecParameters *par) { av_freep(&par->extradata);