aboutsummaryrefslogtreecommitdiffstats
path: root/libavformat
diff options
context:
space:
mode:
authorMichael Niedermayer <michaelni@gmx.at>2012-09-20 22:00:52 +0200
committerReinhard Tartler <siretart@tauware.de>2013-04-19 20:26:56 +0200
commitc8462bd17f35f435192281a2ea4ce8008a7398d3 (patch)
treeec1e9de893725caca2db46f4b03d82d508d2f4b3 /libavformat
parenta3410b5a1fcb4e965ceb40aa4d4a935df8a32f05 (diff)
downloadffmpeg-c8462bd17f35f435192281a2ea4ce8008a7398d3.tar.gz
mp3dec: fallback to generic seeking when a TOC is not present
Fixes seeking without a Xing/Info header. CC: libav-stable@libav.org Signed-off-by: Anton Khirnov <anton@khirnov.net> (cherry picked from commit 505642f18276aed03278ac91b1f334ea888eac6a) Signed-off-by: Reinhard Tartler <siretart@tauware.de>
Diffstat (limited to 'libavformat')
-rw-r--r--libavformat/mp3dec.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/libavformat/mp3dec.c b/libavformat/mp3dec.c
index 48deefd126..9da9aa8b16 100644
--- a/libavformat/mp3dec.c
+++ b/libavformat/mp3dec.c
@@ -35,6 +35,10 @@
#define XING_TOC_COUNT 100
+typedef struct MP3DecContext {
+ int xing_toc;
+} MP3DecContext;
+
/* mp3 read */
static int mp3_read_probe(AVProbeData *p)
@@ -100,6 +104,7 @@ static int mp3_read_probe(AVProbeData *p)
static void read_xing_toc(AVFormatContext *s, int64_t filesize, int64_t duration)
{
int i;
+ MP3DecContext *mp3 = s->priv_data;
if (!filesize &&
!(filesize = avio_size(s->pb))) {
@@ -115,6 +120,7 @@ static void read_xing_toc(AVFormatContext *s, int64_t filesize, int64_t duration
av_rescale(i, duration, XING_TOC_COUNT),
0, 0, AVINDEX_KEYFRAME);
}
+ mp3->xing_toc = 1;
}
/**
@@ -238,11 +244,15 @@ static int mp3_read_packet(AVFormatContext *s, AVPacket *pkt)
static int mp3_seek(AVFormatContext *s, int stream_index, int64_t timestamp,
int flags)
{
+ MP3DecContext *mp3 = s->priv_data;
AVIndexEntry *ie;
AVStream *st = s->streams[0];
int64_t ret = av_index_search_timestamp(st, timestamp, flags);
uint32_t header = 0;
+ if (!mp3->xing_toc)
+ return AVERROR(ENOSYS);
+
if (ret < 0)
return ret;
@@ -270,6 +280,7 @@ AVInputFormat ff_mp3_demuxer = {
.read_header = mp3_read_header,
.read_packet = mp3_read_packet,
.read_seek = mp3_seek,
+ .priv_data_size = sizeof(MP3DecContext),
.flags = AVFMT_GENERIC_INDEX,
.extensions = "mp2,mp3,m2a", /* XXX: use probe */
};