diff options
Diffstat (limited to 'liba52/test.c')
| -rw-r--r-- | liba52/test.c | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/liba52/test.c b/liba52/test.c deleted file mode 100644 index 2f445226a5..0000000000 --- a/liba52/test.c +++ /dev/null @@ -1,154 +0,0 @@ -/* - * liba52 sample by A'rpi/ESP-team - * Reads an AC-3 stream from stdin, decodes and downmixes to s16 stereo PCM - * and writes it to stdout. The resulting stream is playable with sox: - * play -c2 -r48000 -sw -fs out.sw - * - * Copyright (C) 2001 Árpád Gereöffy - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -//#define TIMING //needs Pentium or newer - -#include <stdio.h> -#include <stdlib.h> -#include <inttypes.h> -#include <string.h> - -#include "a52.h" -#include "mm_accel.h" -#include "cpudetect.h" - -static a52_state_t *state; -static uint8_t buf[3840]; -static int buf_size=0; - -static int16_t out_buf[6*256*6]; - -void mp_msg( int x, const char *format, ... ) // stub for cpudetect.c -{ -} - -#ifdef TIMING -static inline long long rdtsc(void) -{ - long long l; - __asm__ volatile("rdtsc\n\t" - : "=A" (l) - ); -// printf("%d\n", int(l/1000)); - return l; -} - -#define STARTTIMING t=rdtsc(); -#define ENDTIMING sum+=rdtsc()-t; t=rdtsc(); -#else -#define STARTTIMING ; -#define ENDTIMING ; -#endif - - -int main(void){ -int accel=0; -int sample_rate=0; -int bit_rate=0; -#ifdef TIMING -long long t, sum=0, min=256*256*256*64; -#endif - - FILE *temp= stdout; - stdout= stderr; //EVIL HACK FIXME - GetCpuCaps(&gCpuCaps); - stdout= temp; -// gCpuCaps.hasMMX=0; -// gCpuCaps.hasSSE=0; - if(gCpuCaps.hasMMX) accel |= MM_ACCEL_X86_MMX; - if(gCpuCaps.hasMMX2) accel |= MM_ACCEL_X86_MMXEXT; - if(gCpuCaps.hasSSE) accel |= MM_ACCEL_X86_SSE; - if(gCpuCaps.has3DNow) accel |= MM_ACCEL_X86_3DNOW; -// if(gCpuCaps.has3DNowExt) accel |= MM_ACCEL_X86_3DNOWEXT; - - state = a52_init (accel); - if (state == NULL) { - fprintf (stderr, "A52 init failed\n"); - return 1; - } - -while(1){ - int length,i; - int16_t *s16; - sample_t level=1, bias=384; - int flags=0; - int channels=0; - - while(buf_size<7){ - int c=getchar(); - if(c<0) goto eof; - buf[buf_size++]=c; - } -STARTTIMING - length = a52_syncinfo (buf, &flags, &sample_rate, &bit_rate); -ENDTIMING - if(!length){ - // bad file => resync - memcpy(buf,buf+1,6); - --buf_size; - continue; - } - fprintf(stderr,"sync. %d bytes 0x%X %d Hz %d kbit\n",length,flags,sample_rate,bit_rate); - while(buf_size<length){ - buf[buf_size++]=getchar(); - } - - buf_size=0; - - // decode: - flags=A52_STEREO; //A52_STEREO; //A52_DOLBY; //A52_STEREO; // A52_DOLBY // A52_2F2R // A52_3F2R | A52_LFE - channels=2; - - flags |= A52_ADJUST_LEVEL; -STARTTIMING - if (a52_frame (state, buf, &flags, &level, bias)) - { fprintf(stderr,"error at decoding\n"); continue; } -ENDTIMING - - // a52_dynrng (state, NULL, NULL); // disable dynamic range compensation - -STARTTIMING - a52_resample_init(accel,flags,channels); - s16 = out_buf; - for (i = 0; i < 6; i++) { - if (a52_block (state)) - { fprintf(stderr,"error at sampling\n"); break; } - // float->int + channels interleaving: - s16+=a52_resample(a52_samples(state),s16); -ENDTIMING - } -#ifdef TIMING -if(sum<min) min=sum; -sum=0; -#endif - fwrite(out_buf,6*256*2*channels,1,stdout); - -} - -eof: -#ifdef TIMING -fprintf(stderr, "%4.4fk cycles\n",min/1000.0); -sum=0; -#endif -return 0; -} |