aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorMichael Niedermayer <michaelni@gmx.at>2014-04-21 03:38:07 +0200
committerMichael Niedermayer <michaelni@gmx.at>2014-04-21 05:27:08 +0200
commitf3743901d7df906342f99b179382b19d8a4d9716 (patch)
tree0af330362a4d6885ad96c30a63d35b44b87ede50
parent369cdf917aaa5d7fbc61d57f87e638772e806716 (diff)
downloadffmpeg-f3743901d7df906342f99b179382b19d8a4d9716.tar.gz
avformat: Fix decoder search in find stream info
Fixes Ticket3548 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
-rw-r--r--libavformat/avformat.h6
-rw-r--r--libavformat/utils.c8
2 files changed, 11 insertions, 3 deletions
diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index a1185cafcb..7d2db6a3a0 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -891,6 +891,12 @@ typedef struct AVStream {
double (*duration_error)[2][MAX_STD_TIMEBASES];
int64_t codec_info_duration;
int64_t codec_info_duration_fields;
+
+ /**
+ * 0 -> decoder has not been searched for yet.
+ * >0 -> decoder found
+ * <0 -> decoder with codec_id == -found_decoder has not been found
+ */
int found_decoder;
int64_t last_duration;
diff --git a/libavformat/utils.c b/libavformat/utils.c
index e1dfe02b6c..3122257b96 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -2655,13 +2655,15 @@ static int try_decode_frame(AVFormatContext *s, AVStream *st, AVPacket *avpkt,
if (!frame)
return AVERROR(ENOMEM);
- if (!avcodec_is_open(st->codec) && !st->info->found_decoder) {
+ if (!avcodec_is_open(st->codec) &&
+ st->info->found_decoder <= 0 &&
+ (st->codec->codec_id != -st->info->found_decoder || !st->codec->codec_id)) {
AVDictionary *thread_opt = NULL;
codec = find_decoder(s, st, st->codec->codec_id);
if (!codec) {
- st->info->found_decoder = -1;
+ st->info->found_decoder = -st->codec->codec_id;
ret = -1;
goto fail;
}
@@ -2673,7 +2675,7 @@ static int try_decode_frame(AVFormatContext *s, AVStream *st, AVPacket *avpkt,
if (!options)
av_dict_free(&thread_opt);
if (ret < 0) {
- st->info->found_decoder = -1;
+ st->info->found_decoder = -st->codec->codec_id;
goto fail;
}
st->info->found_decoder = 1;