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swr: Support flushing last samples out. 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-11-04 16:31:51 +01:00
parent 259a960f1b
commit 71f5712cb5
1 changed files with 22 additions and 1 deletions
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23
libswresample/swresample.c
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@ -291,7 +291,26 @@ int swr_convert(struct SwrContext *s, uint8_t *out_arg[SWR_CH_MAX], int out_coun
out_count = in_count;
}
fill_audiodata(in , (void*)in_arg);
if(!in_arg){
if(s->in_buffer_count){
AudioData *a= &s->in_buffer;
int i, j, ret;
if((ret=realloc_audio(a, s->in_buffer_index + 2*s->in_buffer_count)) < 0)
return ret;
av_assert0(a->planar);
for(i=0; i<a->ch_count; i++){
for(j=0; j<s->in_buffer_count; j++){
memcpy(a->ch[i] + (s->in_buffer_index+s->in_buffer_count+j )*a->bps,
a->ch[i] + (s->in_buffer_index+s->in_buffer_count-j-1)*a->bps, a->bps);
}
}
s->in_buffer_count += (s->in_buffer_count+1)/2;
s->resample_in_constraint = 0;
}else{
return 0;
}
}else
fill_audiodata(in , (void*)in_arg);
fill_audiodata(out, out_arg);
if(s->full_convert){
@ -365,6 +384,8 @@ int swr_convert(struct SwrContext *s, uint8_t *out_arg[SWR_CH_MAX], int out_coun
//FIXME packed doesnt need more than 1 chan here!
swr_audio_convert(s->out_convert, out, preout, out_count);
}
if(!in_arg)
s->in_buffer_count = 0;
return out_count;
}