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add bps checks so we can use miroslav's mmx versions of some routines

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Josh Coalson
2001-05-31 20:53:19 +00:00
parent 1b68982b0e
commit 92d4240ae2
2 changed files with 30 additions and 22 deletions
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26
src/libFLAC/stream_decoder.c
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@@ -34,6 +34,7 @@ typedef struct FLAC__StreamDecoderPrivate {
void (*metadata_callback)(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetaData *metadata, void *client_data);
void (*error_callback)(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data);
void (*local_lpc_restore_signal)(const int32 residual[], unsigned data_len, const int32 qlp_coeff[], unsigned order, int lp_quantization, int32 data[]);
void (*local_lpc_restore_signal_16bit)(const int32 residual[], unsigned data_len, const int32 qlp_coeff[], unsigned order, int lp_quantization, int32 data[]);
void *client_data;
FLAC__BitBuffer input;
int32 *output[FLAC__MAX_CHANNELS];
@@ -166,23 +167,23 @@ FLAC__StreamDecoderState FLAC__stream_decoder_init(
FLAC__cpu_info(&decoder->guts->cpuinfo);
/* first default to the non-asm routines */
decoder->guts->local_lpc_restore_signal = FLAC__lpc_restore_signal;
decoder->guts->local_lpc_restore_signal_16bit = FLAC__lpc_restore_signal;
/* now override with asm where appropriate */
#ifndef FLAC__NO_ASM
FLAC__ASSERT(decoder->guts->cpuinfo.use_asm);
#ifdef FLAC__CPU_IA32
FLAC__ASSERT(decoder->guts->cpuinfo.type == FLAC__CPUINFO_TYPE_IA32);
#ifdef FLAC__HAS_NASM
#if 0
/* @@@ MMX version needs bps check */
if(decoder->guts->cpuinfo.data.ia32.mmx && @@@bps check here@@@)
{//@@@
decoder->guts->local_lpc_restore_signal = FLAC__lpc_restore_signal_asm_i386_mmx;
fprintf(stderr,"@@@ got _asm_i386_mmx of lpc_restore_signal()\n");}
else
#endif
{//@@@
if(decoder->guts->cpuinfo.data.ia32.mmx) {
decoder->guts->local_lpc_restore_signal = FLAC__lpc_restore_signal_asm_i386;
fprintf(stderr,"@@@ got _asm_i386 of lpc_restore_signal()\n");}
decoder->guts->local_lpc_restore_signal_16bit = FLAC__lpc_restore_signal_asm_i386_mmx;
fprintf(stderr,"@@@ got _asm_i386_mmx of lpc_restore_signal()\n");
}
else {
decoder->guts->local_lpc_restore_signal = FLAC__lpc_restore_signal_asm_i386;
decoder->guts->local_lpc_restore_signal_16bit = FLAC__lpc_restore_signal_asm_i386;
fprintf(stderr,"@@@ got _asm_i386 of lpc_restore_signal()\n");
}
#endif
#endif
#endif
@@ -1301,7 +1302,10 @@ bool stream_decoder_read_subframe_lpc_(FLAC__StreamDecoder *decoder, unsigned ch
/* decode the subframe */
memcpy(decoder->guts->output[channel], subframe->warmup, sizeof(int32) * order);
decoder->guts->local_lpc_restore_signal(decoder->guts->residual[channel], decoder->guts->frame.header.blocksize-order, subframe->qlp_coeff, order, subframe->quantization_level, decoder->guts->output[channel]+order);
if(bps <= 16 && subframe->qlp_coeff_precision <= 16)
decoder->guts->local_lpc_restore_signal_16bit(decoder->guts->residual[channel], decoder->guts->frame.header.blocksize-order, subframe->qlp_coeff, order, subframe->quantization_level, decoder->guts->output[channel]+order);
else
decoder->guts->local_lpc_restore_signal(decoder->guts->residual[channel], decoder->guts->frame.header.blocksize-order, subframe->qlp_coeff, order, subframe->quantization_level, decoder->guts->output[channel]+order);
return true;
}