diff options
Diffstat (limited to 'libavformat')
| -rw-r--r-- | libavformat/flvdec.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/libavformat/flvdec.c b/libavformat/flvdec.c index 4fc5a4949e..22480615bb 100644 --- a/libavformat/flvdec.c +++ b/libavformat/flvdec.c @@ -41,6 +41,8 @@ typedef struct { int wrong_dts; ///< wrong dts due to negative cts + uint8_t *new_extradata[2]; + int new_extradata_size[2]; } FLVContext; static int flv_probe(AVProbeData *p) @@ -401,6 +403,14 @@ static int flv_read_header(AVFormatContext *s, return 0; } +static int flv_read_close(AVFormatContext *s) +{ + FLVContext *flv = s->priv_data; + av_freep(&flv->new_extradata[0]); + av_freep(&flv->new_extradata[1]); + return 0; +} + static int flv_get_extradata(AVFormatContext *s, AVStream *st, int size) { av_free(st->codec->extradata); @@ -412,6 +422,18 @@ static int flv_get_extradata(AVFormatContext *s, AVStream *st, int size) return 0; } +static int flv_queue_extradata(FLVContext *flv, AVIOContext *pb, int stream, + int size) +{ + av_free(flv->new_extradata[stream]); + flv->new_extradata[stream] = av_mallocz(size + FF_INPUT_BUFFER_PADDING_SIZE); + if (!flv->new_extradata[stream]) + return AVERROR(ENOMEM); + flv->new_extradata_size[stream] = size; + avio_read(pb, flv->new_extradata[stream], size); + return 0; +} + static int flv_read_packet(AVFormatContext *s, AVPacket *pkt) { FLVContext *flv = s->priv_data; @@ -529,6 +551,12 @@ static int flv_read_packet(AVFormatContext *s, AVPacket *pkt) dts = AV_NOPTS_VALUE; } if (type == 0) { + if (st->codec->extradata) { + if ((ret = flv_queue_extradata(flv, s->pb, is_audio, size)) < 0) + return ret; + ret = AVERROR(EAGAIN); + goto leave; + } if ((ret = flv_get_extradata(s, st, size)) < 0) return ret; if (st->codec->codec_id == CODEC_ID_AAC) { @@ -565,6 +593,16 @@ static int flv_read_packet(AVFormatContext *s, AVPacket *pkt) pkt->dts = dts; pkt->pts = pts == AV_NOPTS_VALUE ? dts : pts; pkt->stream_index = st->index; + if (flv->new_extradata[is_audio]) { + uint8_t *side = av_packet_new_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, + flv->new_extradata_size[is_audio]); + if (side) { + memcpy(side, flv->new_extradata[is_audio], + flv->new_extradata_size[is_audio]); + av_freep(&flv->new_extradata[is_audio]); + flv->new_extradata_size[is_audio] = 0; + } + } if (is_audio || ((flags & FLV_VIDEO_FRAMETYPE_MASK) == FLV_FRAME_KEY)) pkt->flags |= AV_PKT_FLAG_KEY; @@ -618,6 +656,7 @@ AVInputFormat ff_flv_demuxer = { #if 0 .read_seek2 = flv_read_seek2, #endif + .read_close = flv_read_close, .extensions = "flv", .value = CODEC_ID_FLV1, }; |