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Diffstat (limited to 'libmpdemux/demux_avi.c')
-rw-r--r--libmpdemux/demux_avi.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/libmpdemux/demux_avi.c b/libmpdemux/demux_avi.c
index af2b8fb33b..9616e38413 100644
--- a/libmpdemux/demux_avi.c
+++ b/libmpdemux/demux_avi.c
@@ -31,9 +31,17 @@ demux_stream_t* demux_avi_select_stream(demuxer_t *demux,unsigned int id){
if(stream_id==demux->audio->id){
if(!demux->audio->sh){
- demux->audio->sh=demux->a_streams[stream_id];
+ sh_audio_t* sh;
+ sh=demux->audio->sh=demux->a_streams[stream_id];
mp_msg(MSGT_DEMUX,MSGL_V,"Auto-selected AVI audio ID = %d\n",demux->audio->id);
- demux->audio->block_size=((sh_audio_t*)(demux->audio->sh))->wf->nBlockAlign;
+ if(sh->wf){
+ demux->audio->block_size=sh->wf->nBlockAlign;
+ if(!demux->audio->block_size){
+ // for PCM audio we can calculate the blocksize:
+ if(sh->format==1) demux->audio->block_size=sh->wf->nChannels*(sh->wf->wBitsPerSample/8);
+ if(!demux->audio->block_size) demux->audio->block_size=1; // bug!
+ }
+ }
//printf("&&&&& setting blocksize to %d &&&&&\n",demux->audio->block_size);
}
return demux->audio;