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avformat/flvdec: parse keyframe before a\v stream was created add_keyframes_index() when stream created or keyframe parsed 

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ad14aab3b4)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Xinzheng Zhang 2016-07-27 12:21:25 +08:00 committed by Michael Niedermayer
parent 88e3e6b943
commit b4922daead
1 changed files with 6 additions and 2 deletions
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8
libavformat/flvdec.c
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@ -128,6 +128,7 @@ static void add_keyframes_index(AVFormatContext *s)
static AVStream *create_stream(AVFormatContext *s, int codec_type)
{
FLVContext *flv = s->priv_data;
AVStream *st = avformat_new_stream(s, NULL);
if (!st)
return NULL;
@ -138,6 +139,8 @@ static AVStream *create_stream(AVFormatContext *s, int codec_type)
s->ctx_flags &= ~AVFMTCTX_NOHEADER;
avpriv_set_pts_info(st, 32, 1, 1000); /* 32 bit pts in ms */
flv->last_keyframe_stream_index = s->nb_streams - 1;
add_keyframes_index(s);
return st;
}
@ -413,7 +416,6 @@ static int parse_keyframes_index(AVFormatContext *s, AVIOContext *ioc, int64_t m
flv->keyframe_count = timeslen;
times = NULL;
filepositions = NULL;
add_keyframes_index(s);
} else {
invalid:
av_log(s, AV_LOG_WARNING, "Invalid keyframes object, skipping.\n");
@ -455,12 +457,14 @@ static int amf_parse_object(AVFormatContext *s, AVStream *astream,
}
break;
case AMF_DATA_TYPE_OBJECT:
if ((vstream || astream) && key &&
if (key &&
ioc->seekable &&
!strcmp(KEYFRAMES_TAG, key) && depth == 1)
if (parse_keyframes_index(s, ioc,
max_pos) < 0)
av_log(s, AV_LOG_ERROR, "Keyframe index parsing failed\n");
else
add_keyframes_index(s);
while (avio_tell(ioc) < max_pos - 2 &&
amf_get_string(ioc, str_val, sizeof(str_val)) > 0)
if (amf_parse_object(s, astream, vstream, str_val, max_pos,