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avformat/astenc: avoid using AVCodecContext.frame_number 

Theres no gurantee that the user application has initialized it

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-05-05 16:46:47 +02:00
parent ba040d4c8c
commit 47550e62bf
1 changed files with 2 additions and 2 deletions
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4
libavformat/astenc.c
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@ -113,7 +113,7 @@ static int ast_write_packet(AVFormatContext *s, AVPacket *pkt)
AVCodecContext *enc = s->streams[0]->codec;
int size = pkt->size / enc->channels;
if (enc->frame_number == 1)
if (s->streams[0]->nb_frames == 0)
ast->fbs = size;
ffio_wfourcc(pb, "BLCK");
@ -135,7 +135,7 @@ static int ast_write_trailer(AVFormatContext *s)
ASTMuxContext *ast = s->priv_data;
AVCodecContext *enc = s->streams[0]->codec;
int64_t file_size = avio_tell(pb);
int64_t samples = (file_size - 64 - (32 * enc->frame_number)) / enc->block_align; /* PCM_S16BE_PLANAR */
int64_t samples = (file_size - 64 - (32 * s->streams[0]->nb_frames)) / enc->block_align; /* PCM_S16BE_PLANAR */
av_log(s, AV_LOG_DEBUG, "total samples: %"PRId64"\n", samples);