Commit 2e12c3f3 authored by Rémi Denis-Courmont's avatar Rémi Denis-Courmont
Browse files

ugly resampler: no need to allocate a buffer when down-sampling

parent e8beaf5c
...@@ -90,9 +90,12 @@ static block_t *DoWork( filter_t * p_filter, block_t * p_in_buf ) ...@@ -90,9 +90,12 @@ static block_t *DoWork( filter_t * p_filter, block_t * p_in_buf )
/ p_filter->fmt_in.audio.i_rate; / p_filter->fmt_in.audio.i_rate;
unsigned int i_sample_bytes = i_nb_channels * sizeof(int32_t); unsigned int i_sample_bytes = i_nb_channels * sizeof(int32_t);
block_t *p_out_buf = block_Alloc( i_out_nb * i_sample_bytes ); if( p_filter->fmt_out.audio.i_rate > p_filter->fmt_in.audio.i_rate )
if( !p_out_buf ) {
goto out; p_out_buf = block_Alloc( i_out_nb * i_sample_bytes );
if( !p_out_buf )
goto out;
}
int32_t *p_out = (int32_t*)p_out_buf->p_buffer; int32_t *p_out = (int32_t*)p_out_buf->p_buffer;
const int32_t *p_in = (int32_t*)p_in_buf->p_buffer; const int32_t *p_in = (int32_t*)p_in_buf->p_buffer;
...@@ -120,7 +123,9 @@ static block_t *DoWork( filter_t * p_filter, block_t * p_in_buf ) ...@@ -120,7 +123,9 @@ static block_t *DoWork( filter_t * p_filter, block_t * p_in_buf )
p_out_buf->i_pts = p_in_buf->i_pts; p_out_buf->i_pts = p_in_buf->i_pts;
p_out_buf->i_length = p_out_buf->i_nb_samples * p_out_buf->i_length = p_out_buf->i_nb_samples *
1000000 / p_filter->fmt_out.audio.i_rate; 1000000 / p_filter->fmt_out.audio.i_rate;
if( p_in_buf != p_out_buf )
out: out:
block_Release( p_in_buf ); block_Release( p_in_buf );
return p_out_buf; return p_out_buf;
} }
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