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Merge commit '7b03b65bf0d02519c86750d2da33f413e11cf0c6'

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* commit '7b03b65bf0d02519c86750d2da33f413e11cf0c6':
  lavf: do basic sanity checking on muxed packets

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-02-04 15:17:19 +01:00
commit 5144d91996
1 changed files with 27 additions and 0 deletions
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27
libavformat/mux.c
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@ -557,10 +557,33 @@ static int write_packet(AVFormatContext *s, AVPacket *pkt)
return ret;
}
static int check_packet(AVFormatContext *s, AVPacket *pkt)
{
if (!pkt)
return 0;
if (pkt->stream_index < 0 || pkt->stream_index >= s->nb_streams) {
av_log(s, AV_LOG_ERROR, "Invalid packet stream index: %d\n",
pkt->stream_index);
return AVERROR(EINVAL);
}
if (s->streams[pkt->stream_index]->codec->codec_type == AVMEDIA_TYPE_ATTACHMENT) {
av_log(s, AV_LOG_ERROR, "Received a packet for an attachment stream.\n");
return AVERROR(EINVAL);
}
return 0;
}
int av_write_frame(AVFormatContext *s, AVPacket *pkt)
{
int ret;
ret = check_packet(s, pkt);
if (ret < 0)
return ret;
if (!pkt) {
if (s->oformat->flags & AVFMT_ALLOW_FLUSH) {
ret = s->oformat->write_packet(s, NULL);
@ -770,6 +793,10 @@ int av_interleaved_write_frame(AVFormatContext *s, AVPacket *pkt)
{
int ret, flush = 0;
ret = check_packet(s, pkt);
if (ret < 0)
return ret;
if (pkt) {
AVStream *st = s->streams[pkt->stream_index];