---
libavformat/flvenc.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/libavformat/flvenc.c b/libavformat/flvenc.c
index cf8d221..6fd7792 100644
--- a/libavformat/flvenc.c
+++ b/libavformat/flvenc.c
@@ -566,6 +566,19 @@ static int flv_write_packet(AVFormatContext *s, AVPacket
*pkt)
else
flags_size = 1;
+ if (par->codec_id == AV_CODEC_ID_AAC || par->codec_id == AV_CODEC_ID_H264
+ || par->codec_id == AV_CODEC_ID_MPEG4) {
+ int side_size = 0;
+ uint8_t *side = av_packet_get_side_data(pkt,
AV_PKT_DATA_NEW_EXTRADATA, &side_size);
+ if (side && side_size > 0 && (side_size != par->extradata_size ||
memcmp(side, par->extradata, side_size))) {
+ av_free(par->extradata);
+ par->extradata = av_mallocz(side_size +
AV_INPUT_BUFFER_PADDING_SIZE);
+ memcpy(par->extradata, side, side_size);
+ par->extradata_size = side_size;
+ flv_write_codec_header(s, par);
+ }
+ }
+
if (flv->delay == AV_NOPTS_VALUE)
flv->delay = -pkt->dts;
--
1.9.1
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