Changeset 2094:bfd10d8c1de4 in roaraudio
- Timestamp:
- 07/20/09 19:30:05 (15 years ago)
- Branch:
- default
- Phase:
- public
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
libroardsp/convert.c
r1458 r2094 732 732 } 733 733 734 734 int roar_conv2(void * out, void * in, 735 size_t inlen, 736 struct roar_audio_info * from, struct roar_audio_info * to, 737 size_t bufsize) { 738 size_t samples; 739 size_t needed_buffer; 740 741 // calcumate number of input samples: 742 samples = (inlen * 8) / (from->channels * from->bits); 743 744 // calculate size per frame 745 needed_buffer = ROAR_MAX(from->channels, to->channels) * ROAR_MAX(from->bits, to->bits) / 8; 746 747 needed_buffer *= samples; 748 749 if ( from->rate < to->rate ) 750 needed_buffer *= (float)to->rate/(float)from->rate; 751 752 // chjeck if we have enogth RAM to convert 753 if ( needed_buffer > bufsize ) 754 return -1; 755 756 return -1; 757 } 735 758 736 759 int roar_conv_poly4_16 (int16_t * out, int16_t * in, size_t olen, size_t ilen) {
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