ffmpeg | branch: master | Martin Storsjö <mar...@martin.st> | Thu May 21 14:00:14 2020 +0300| [1aec1fbcc5952e1c2f9820e032ad2e5f9bf1a670] | committer: Martin Storsjö
movenc: Fix conversion of the first frame for extradata-less H264/HEVC Move the copying of the frame to vos_data further up in the function, so that when writing the actual frame data for the first frame, it's clear that the stream really is in annex b format, for the cases where we create extradata from the first frame. Alternatively - we could invert the checks for bitstream format. If extradata is missing, we can't pretend that the bitstream is in mp4 form, because we can't even know the NAL unit length prefix size in that case. Also avoid creating extradata for AVC intra. If the track tag is an AVC intra tag, don't copy the frame into vos_data - this matches other existing cases of how vos_data and TAG_IS_AVCI interact in other places. Signed-off-by: Martin Storsjö <mar...@martin.st> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1aec1fbcc5952e1c2f9820e032ad2e5f9bf1a670 --- libavformat/movenc.c | 35 +++++++++++++++++++---------------- 1 file changed, 19 insertions(+), 16 deletions(-) diff --git a/libavformat/movenc.c b/libavformat/movenc.c index e6b3ea7ef1..f9fc4d5c07 100644 --- a/libavformat/movenc.c +++ b/libavformat/movenc.c @@ -5504,6 +5504,25 @@ int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt) memset(trk->vos_data + trk->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE); } + if ((par->codec_id == AV_CODEC_ID_DNXHD || + par->codec_id == AV_CODEC_ID_H264 || + par->codec_id == AV_CODEC_ID_HEVC || + par->codec_id == AV_CODEC_ID_TRUEHD || + par->codec_id == AV_CODEC_ID_AC3 || + par->codec_id == AV_CODEC_ID_H264 || + par->codec_id == AV_CODEC_ID_HEVC) && !trk->vos_len && + !TAG_IS_AVCI(trk->tag)) { + /* copy frame to create needed atoms */ + trk->vos_len = size; + trk->vos_data = av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE); + if (!trk->vos_data) { + ret = AVERROR(ENOMEM); + goto err; + } + memcpy(trk->vos_data, pkt->data, size); + memset(trk->vos_data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE); + } + if (par->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 && (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) { if (!s->streams[pkt->stream_index]->nb_frames) { @@ -5582,22 +5601,6 @@ int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt) } } - if ((par->codec_id == AV_CODEC_ID_DNXHD || - par->codec_id == AV_CODEC_ID_H264 || - par->codec_id == AV_CODEC_ID_HEVC || - par->codec_id == AV_CODEC_ID_TRUEHD || - par->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) { - /* copy frame to create needed atoms */ - trk->vos_len = size; - trk->vos_data = av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE); - if (!trk->vos_data) { - ret = AVERROR(ENOMEM); - goto err; - } - memcpy(trk->vos_data, pkt->data, size); - memset(trk->vos_data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE); - } - if (trk->entry >= trk->cluster_capacity) { unsigned new_capacity = trk->entry + MOV_INDEX_CLUSTER_SIZE; if (av_reallocp_array(&trk->cluster, new_capacity, _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
