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avpacket: Check for and return errors in ff_interleave_add_packet()

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Signed-off-by: Diego Biurrun <diego@biurrun.de>
This commit is contained in:
Nidhi Makhijani 2014-07-14 11:52:44 +05:30 committed by Diego Biurrun
parent 2db953f846
commit 324ff59444
3 changed files with 22 additions and 10 deletions
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8
libavformat/audiointerleave.c
View File

@ -99,7 +99,7 @@ int ff_audio_rechunk_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt
int (*get_packet)(AVFormatContext *, AVPacket *, AVPacket *, int),
int (*compare_ts)(AVFormatContext *, AVPacket *, AVPacket *))
{
int i;
int i, ret;
if (pkt) {
AVStream *st = s->streams[pkt->stream_index];
@ -116,7 +116,8 @@ int ff_audio_rechunk_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt
// rewrite pts and dts to be decoded time line position
pkt->pts = pkt->dts = aic->dts;
aic->dts += pkt->duration;
ff_interleave_add_packet(s, pkt, compare_ts);
if ((ret = ff_interleave_add_packet(s, pkt, compare_ts)) < 0)
return ret;
}
pkt = NULL;
}
@ -126,7 +127,8 @@ int ff_audio_rechunk_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt
if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
AVPacket new_pkt;
while (interleave_new_audio_packet(s, &new_pkt, i, flush))
ff_interleave_add_packet(s, &new_pkt, compare_ts);
if ((ret = ff_interleave_add_packet(s, &new_pkt, compare_ts)) < 0)
return ret;
}
}

4
libavformat/internal.h
View File

@ -87,8 +87,8 @@ void ff_program_add_stream_index(AVFormatContext *ac, int progid, unsigned int i
* Add packet to AVFormatContext->packet_buffer list, determining its
* interleaved position using compare() function argument.
*/
void ff_interleave_add_packet(AVFormatContext *s, AVPacket *pkt,
int (*compare)(AVFormatContext *, AVPacket *, AVPacket *));
int ff_interleave_add_packet(AVFormatContext *s, AVPacket *pkt,
int (*compare)(AVFormatContext *, AVPacket *, AVPacket *));
void ff_read_frame_flush(AVFormatContext *s);

20
libavformat/mux.c
View File

@ -384,12 +384,15 @@ int av_write_frame(AVFormatContext *s, AVPacket *pkt)
return ret;
}
void ff_interleave_add_packet(AVFormatContext *s, AVPacket *pkt,
int (*compare)(AVFormatContext *, AVPacket *, AVPacket *))
int ff_interleave_add_packet(AVFormatContext *s, AVPacket *pkt,
int (*compare)(AVFormatContext *, AVPacket *, AVPacket *))
{
int ret;
AVPacketList **next_point, *this_pktl;
this_pktl = av_mallocz(sizeof(AVPacketList));
if (!this_pktl)
return AVERROR(ENOMEM);
this_pktl->pkt = *pkt;
#if FF_API_DESTRUCT_PACKET
FF_DISABLE_DEPRECATION_WARNINGS
@ -397,7 +400,11 @@ FF_DISABLE_DEPRECATION_WARNINGS
FF_ENABLE_DEPRECATION_WARNINGS
#endif
pkt->buf = NULL;
av_dup_packet(&this_pktl->pkt); // duplicate the packet if it uses non-alloced memory
// Duplicate the packet if it uses non-allocated memory
if ((ret = av_dup_packet(&this_pktl->pkt)) < 0) {
av_free(this_pktl);
return ret;
}
if (s->streams[pkt->stream_index]->last_in_packet_buffer) {
next_point = &(s->streams[pkt->stream_index]->last_in_packet_buffer->next);
@ -422,6 +429,8 @@ next_non_null:
s->streams[pkt->stream_index]->last_in_packet_buffer =
*next_point = this_pktl;
return 0;
}
static int interleave_compare_dts(AVFormatContext *s, AVPacket *next,
@ -442,10 +451,11 @@ int ff_interleave_packet_per_dts(AVFormatContext *s, AVPacket *out,
{
AVPacketList *pktl;
int stream_count = 0;
int i;
int i, ret;
if (pkt) {
ff_interleave_add_packet(s, pkt, interleave_compare_dts);
if ((ret = ff_interleave_add_packet(s, pkt, interleave_compare_dts)) < 0)
return ret;
}
if (s->max_interleave_delta > 0 && s->packet_buffer && !flush) {