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Add a flag to avoid calling vorbis_analysis_wrote twice with an empty buffer.

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Patch by Nicolas George: name surname normalesup org

Originally committed as revision 15620 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Nicolas George 2008-10-15 07:29:37 +00:00 committed by Benoit Fouet
parent ac809e814e
commit 9c8f0768e3
1 changed files with 11 additions and 2 deletions
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13
libavcodec/libvorbis.c
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@ -42,6 +42,7 @@ typedef struct OggVorbisContext {
vorbis_block vb ;
uint8_t buffer[BUFFER_SIZE];
int buffer_index;
int eof;
/* decoder */
vorbis_comment vc ;
@ -136,10 +137,13 @@ static int oggvorbis_encode_frame(AVCodecContext *avccontext,
int buf_size, void *data)
{
OggVorbisContext *context = avccontext->priv_data ;
float **buffer ;
ogg_packet op ;
signed short *audio = data ;
int l, samples = data ? OGGVORBIS_FRAME_SIZE : 0;
int l;
if(data) {
int samples = OGGVORBIS_FRAME_SIZE;
float **buffer ;
buffer = vorbis_analysis_buffer(&context->vd, samples) ;
@ -154,6 +158,11 @@ static int oggvorbis_encode_frame(AVCodecContext *avccontext,
}
vorbis_analysis_wrote(&context->vd, samples) ;
} else {
if(!context->eof)
vorbis_analysis_wrote(&context->vd, 0) ;
context->eof = 1;
}
while(vorbis_analysis_blockout(&context->vd, &context->vb) == 1) {
vorbis_analysis(&context->vb, NULL);