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authorAlexandra Khirnova <alexandra.khirnova@gmail.com>2013-09-12 10:39:22 +0200
committerMartin Storsjö <martin@martin.st>2013-09-16 22:28:23 +0300
commit68b467742092364f9306283f40effde2c12efe08 (patch)
treefa82fbf1312400cb0912f87505f3c3a4b200cf59 /libavformat/utils.c
parent1daea5232fc9963ba93b1b6d07a2373f87c9b392 (diff)
lavf: Make probe_codec return an error code
This allows handling errors from av_realloc properly. Signed-off-by: Martin Storsjö <martin@martin.st>
Diffstat (limited to 'libavformat/utils.c')
-rw-r--r--libavformat/utils.c21
1 files changed, 14 insertions, 7 deletions
diff --git a/libavformat/utils.c b/libavformat/utils.c
index 83c8fe1ad1..3d4366ae56 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -449,7 +449,7 @@ fail:
/*******************************************************/
-static void probe_codec(AVFormatContext *s, AVStream *st, const AVPacket *pkt)
+static int probe_codec(AVFormatContext *s, AVStream *st, const AVPacket *pkt)
{
if(st->codec->codec_id == AV_CODEC_ID_PROBE){
AVProbeData *pd = &st->probe_data;
@@ -457,7 +457,10 @@ static void probe_codec(AVFormatContext *s, AVStream *st, const AVPacket *pkt)
--st->probe_packets;
if (pkt) {
- pd->buf = av_realloc(pd->buf, pd->buf_size+pkt->size+AVPROBE_PADDING_SIZE);
+ int err;
+ if ((err = av_reallocp(&pd->buf, pd->buf_size + pkt->size +
+ AVPROBE_PADDING_SIZE)) < 0)
+ return err;
memcpy(pd->buf+pd->buf_size, pkt->data, pkt->size);
pd->buf_size += pkt->size;
memset(pd->buf+pd->buf_size, 0, AVPROBE_PADDING_SIZE);
@@ -466,7 +469,7 @@ static void probe_codec(AVFormatContext *s, AVStream *st, const AVPacket *pkt)
if (!pd->buf_size) {
av_log(s, AV_LOG_ERROR, "nothing to probe for stream %d\n",
st->index);
- return;
+ return 0;
}
}
@@ -480,11 +483,12 @@ static void probe_codec(AVFormatContext *s, AVStream *st, const AVPacket *pkt)
}
}
}
+ return 0;
}
int ff_read_packet(AVFormatContext *s, AVPacket *pkt)
{
- int ret, i;
+ int ret, i, err;
AVStream *st;
for(;;){
@@ -497,7 +501,8 @@ int ff_read_packet(AVFormatContext *s, AVPacket *pkt)
s->raw_packet_buffer_remaining_size < pkt->size) {
AVProbeData *pd;
if (st->probe_packets) {
- probe_codec(s, st, NULL);
+ if ((err = probe_codec(s, st, NULL)) < 0)
+ return err;
}
pd = &st->probe_data;
av_freep(&pd->buf);
@@ -519,7 +524,8 @@ int ff_read_packet(AVFormatContext *s, AVPacket *pkt)
for (i = 0; i < s->nb_streams; i++) {
st = s->streams[i];
if (st->probe_packets) {
- probe_codec(s, st, NULL);
+ if ((err = probe_codec(s, st, NULL)) < 0)
+ return err;
}
}
continue;
@@ -555,7 +561,8 @@ int ff_read_packet(AVFormatContext *s, AVPacket *pkt)
add_to_pktbuf(&s->raw_packet_buffer, pkt, &s->raw_packet_buffer_end);
s->raw_packet_buffer_remaining_size -= pkt->size;
- probe_codec(s, st, pkt);
+ if ((err = probe_codec(s, st, pkt)) < 0)
+ return err;
}
}