ffmpeg | branch: master | Michael Niedermayer <michae...@gmx.at> | Thu Aug 14 02:42:14 2014 +0200| [7b59217b60cc7133766ea33ee8519efda9ec4c5c] | committer: Michael Niedermayer
Move WMA case from ff_get_audio_frame_size() to av_get_audio_frame_duration() Signed-off-by: Michael Niedermayer <michae...@gmx.at> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7b59217b60cc7133766ea33ee8519efda9ec4c5c --- libavcodec/utils.c | 7 +++++++ libavformat/utils.c | 7 +------ 2 files changed, 8 insertions(+), 6 deletions(-) diff --git a/libavcodec/utils.c b/libavcodec/utils.c index 4531311..b3715a9 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -3310,6 +3310,13 @@ int av_get_audio_frame_duration(AVCodecContext *avctx, int frame_bytes) if (avctx->frame_size > 1 && frame_bytes) return avctx->frame_size; + //For WMA we currently have no other means to calculate duration thus we + //do it here by assuming CBR, which is true for all known cases. + if (avctx->bit_rate>0 && frame_bytes>0 && avctx->sample_rate>0 && avctx->block_align>1) { + if (avctx->codec_id == AV_CODEC_ID_WMAV1 || avctx->codec_id == AV_CODEC_ID_WMAV2) + return (frame_bytes * 8LL * avctx->sample_rate) / avctx->bit_rate; + } + return 0; } diff --git a/libavformat/utils.c b/libavformat/utils.c index c695e37..364796a 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -722,12 +722,7 @@ int ff_get_audio_frame_size(AVCodecContext *enc, int size, int mux) if ((frame_size = av_get_audio_frame_duration(enc, size)) > 0) return frame_size; - //For WMA we currently have no other means to calculate duration thus we - //do it here by assuming CBR, which is true for all known cases. - if (!mux && enc->bit_rate>0 && size>0 && enc->sample_rate>0 && enc->block_align>1) { - if (enc->codec_id == AV_CODEC_ID_WMAV1 || enc->codec_id == AV_CODEC_ID_WMAV2) - return ((int64_t)size * 8 * enc->sample_rate) / enc->bit_rate; - } + return -1; } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog