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- /********************************************************************
- * *
- * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
- * *
- * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
- * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
- * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
- * *
- * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
- * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
- * *
- ********************************************************************
- function: simple example decoder using vorbisidec
- ********************************************************************/
- /* Takes a vorbis bitstream from stdin and writes raw stereo PCM to
- stdout using vorbisfile. Using vorbisfile is much simpler than
- dealing with libvorbis. */
- #include <stdarg.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include "ivorbiscodec.h"
- #include "ivorbisfile.h"
- #include "time.h"
- #include "windows.h"
- #define PROFILE
- #ifdef _WIN32 /* We need the following two to set stdin/stdout to binary */
- #include <io.h>
- #include <fcntl.h>
- #endif
- char pcmout[4096]; /* take 4k out of the data segment, not the stack */
- char ref[4096]; /* take 4k out of the data segment, not the stack */
- char text[4096];
- void Output(const char *fmt, ...)
- {
- #ifdef _WIN32_WCE
- va_list ap;
- char *t = text;
- WCHAR uni[4096];
- WCHAR *u = uni;
- va_start(ap,fmt);
- vsprintf(text, fmt, ap);
- va_end(ap);
- while (*t != 0)
- {
- *u++ = (WCHAR)(*t++);
- }
- *u++ = 0;
- OutputDebugString(uni);
- #else
- vfprintf(stderr, fmt, ap);
- #endif
- }
- typedef struct
- {
- FILE *in;
- FILE *out;
- FILE *refin;
- FILE *refout;
- int max_samples;
- } TestParams;
- static DWORD run_test(void *tp)
- {
- TestParams *params = (TestParams *)tp;
- FILE *in = params->in;
- FILE *out = params->out;
- FILE *refin = params->refin;
- FILE *refout = params->refout;
- int max_samples = params->max_samples;
- OggVorbis_File vf;
- int eof=0;
- int current_section;
- int maxdiff = 0;
- int countdiffs = 0;
- int samples = 0;
- if(ov_open(in, &vf, NULL, 0) < 0) {
- Output("Input does not appear to be an Ogg bitstream.\n");
- exit(1);
- }
- /* Throw the comments plus a few lines about the bitstream we're
- decoding */
- {
- char **ptr=ov_comment(&vf,-1)->user_comments;
- vorbis_info *vi=ov_info(&vf,-1);
- if (out != NULL)
- {
- while(*ptr){
- Output("%s\n",*ptr);
- ++ptr;
- }
- Output("\nBitstream is %d channel, %ldHz\n",vi->channels,vi->rate);
- Output("\nDecoded length: %ld samples\n",
- (long)ov_pcm_total(&vf,-1));
- Output("Encoded by: %s\n\n",ov_comment(&vf,-1)->vendor);
- }
- }
- while((!eof) && (max_samples > 0)){
- long ret=ov_read(&vf,pcmout,sizeof(pcmout),¤t_section);
- if (ret == 0) {
- /* EOF */
- eof=1;
- } else if (ret < 0) {
- /* error in the stream. Not a problem, just reporting it in
- case we (the app) cares. In this case, we don't. */
- } else {
- /* we don't bother dealing with sample rate changes, etc, but
- you'll have to*/
- if (out != NULL)
- {
- fwrite(pcmout,1,ret,out);
- }
- max_samples -= ret>>1;
- if (refout != NULL)
- {
- fwrite(pcmout,1,ret,refout);
- samples += ret>>1;
- Output("%d", samples);
- }
- if (refin != NULL)
- {
- int i, diff;
- fread(ref,1,ret,refin);
- for (i=0; i<(ret>>1);i++)
- {
- diff = ((short *)pcmout)[i] - ((short *)ref)[i];
- if (diff != 0)
- {
- if (diff < 0)
- diff = -diff;
- if (diff > maxdiff)
- maxdiff = diff;
- countdiffs++;
- if (countdiffs < 50)
- {
- Output("samples differ: %x vs %x\n",
- ((unsigned short *)pcmout)[i],
- ((unsigned short *)ref)[i]);
- }
- else if ((countdiffs % 100) == 0)
- {
- Output("%d differences, maximum = %d\n",
- countdiffs, maxdiff);
- }
- }
- }
- }
- }
- }
- /* cleanup */
- ov_clear(&vf);
- return 0;
- }
- static int filetimetoms(FILETIME *time)
- {
- unsigned long long l;
- l = ((unsigned long long)time->dwLowDateTime) + (((unsigned long long)time->dwHighDateTime)<<32);
- return (int)(l/10000);
- }
- char speedblock[32768];
- void speedtest()
- {
- int readtime;
- FILETIME userStartTime, userStopTime;
- FILETIME kernelStartTime, kernelStopTime;
- FILETIME exitStartTime, exitStopTime;
- FILETIME creationStartTime, creationStopTime;
- Output("Speed test: STMIA speed\n");
- GetThreadTimes(GetCurrentThread(),
- &creationStartTime,
- &exitStartTime,
- &kernelStartTime,
- &userStartTime);
- stmiaTest(speedblock, 32768, 65536);
- GetThreadTimes(GetCurrentThread(),
- &creationStopTime,
- &exitStopTime,
- &kernelStopTime,
- &userStopTime);
- readtime = filetimetoms(&userStopTime)-filetimetoms(&userStartTime);
- Output("Speed test complete: Timing=%g\n",
- ((double)readtime)/1000);
- Output("Speed test: STR speed\n");
- GetThreadTimes(GetCurrentThread(),
- &creationStartTime,
- &exitStartTime,
- &kernelStartTime,
- &userStartTime);
- strTest(speedblock, 32768, 65536);
- GetThreadTimes(GetCurrentThread(),
- &creationStopTime,
- &exitStopTime,
- &kernelStopTime,
- &userStopTime);
- readtime = filetimetoms(&userStopTime)-filetimetoms(&userStartTime);
- Output("Speed test complete: Timing=%g\n",
- ((double)readtime)/1000);
- Output("Speed test: SMULL speed\n");
- GetThreadTimes(GetCurrentThread(),
- &creationStartTime,
- &exitStartTime,
- &kernelStartTime,
- &userStartTime);
- smullTest(speedblock, 32768, 65536);
- GetThreadTimes(GetCurrentThread(),
- &creationStopTime,
- &exitStopTime,
- &kernelStopTime,
- &userStopTime);
- readtime = filetimetoms(&userStopTime)-filetimetoms(&userStartTime);
- Output("Speed test complete: Timing=%g\n",
- ((double)readtime)/1000);
- }
- int main(int argc, char *argv[]){
- FILE *in;
- FILE *out = NULL;
- FILE *refin = NULL;
- FILE *refout = NULL;
- int dectime, readtime;
- FILETIME userStartTime, userStopTime;
- FILETIME kernelStartTime, kernelStopTime;
- FILETIME exitStartTime, exitStopTime;
- FILETIME creationStartTime, creationStopTime;
- TestParams params;
- if (argc < 2)
- {
- Output("Syntax: testtremor <infile> [<outfile>]\n");
- exit(EXIT_FAILURE);
- }
- #ifdef PROFILE
- in = fopen(argv[1], "rb");
- if (in == NULL)
- {
- Output("Failed to open '%s' for input\n", argv[1]);
- exit(EXIT_FAILURE);
- }
- params.in = in;
- params.out = NULL;
- params.refin = NULL;
- params.refout = NULL;
- params.max_samples = 0x7FFFFFFF;
- Profile_init(184000, 4);
- run_test(¶ms);
- Profile_dump();
- #else
- in = fopen(argv[1], "rb");
- if (in == NULL)
- {
- Output("Failed to open '%s' for input\n", argv[1]);
- exit(EXIT_FAILURE);
- }
- if (argc >= 3)
- {
- out = fopen(argv[2], "wb");
- if (out == NULL)
- {
- Output("Failed to open '%s' for output\n", argv[2]);
- exit(EXIT_FAILURE);
- }
- }
- if (argc >= 4)
- {
- refin = fopen(argv[3], "rb");
- if (refin == NULL)
- {
- Output("Can't find reference file. Creating instead.\n");
- refout = fopen(argv[3], "wb");
- if (refout == NULL)
- {
- Output("Failed to open '%s' as output reference file\n", argv[3]);
- exit(EXIT_FAILURE);
- }
- }
- }
- Output("First test: Decode correctness\n");
- params.in = in;
- params.out = out;
- params.refin = refin;
- params.refout = refout;
- params.max_samples = 1*1024*1024;
- run_test(¶ms);
- Output("First test complete\n");
- if (out != NULL)
- fclose(out);
- if (refin != NULL)
- fclose(refin);
- if (refout != NULL)
- fclose(refout);
- Output("Second test: Decode speed\n");
- in = fopen(argv[1], "rb");
- if (in == NULL)
- {
- Output("Failed to open '%s' for input\n", argv[1]);
- exit(EXIT_FAILURE);
- }
- GetThreadTimes(GetCurrentThread(),
- &creationStartTime,
- &exitStartTime,
- &kernelStartTime,
- &userStartTime);
- params.in = in;
- params.out = NULL;
- params.refin = NULL;
- params.refout = NULL;
- params.max_samples = 0x7FFFFFFF;
- run_test(¶ms);
- GetThreadTimes(GetCurrentThread(),
- &creationStopTime,
- &exitStopTime,
- &kernelStopTime,
- &userStopTime);
- dectime = filetimetoms(&userStopTime)-filetimetoms(&userStartTime);
- Output("Second test complete: Timing=%g\n",
- ((double)dectime)/1000);
- Output("Third test: File read speed\n");
- in = fopen(argv[1], "rb");
- if (in == NULL)
- {
- Output("Failed to open '%s' for input\n", argv[1]);
- exit(EXIT_FAILURE);
- }
- GetThreadTimes(GetCurrentThread(),
- &creationStartTime,
- &exitStartTime,
- &kernelStartTime,
- &userStartTime);
- while (!feof(in))
- {
- fread(pcmout,1,4096,in);
- }
- GetThreadTimes(GetCurrentThread(),
- &creationStopTime,
- &exitStopTime,
- &kernelStopTime,
- &userStopTime);
- readtime = filetimetoms(&userStopTime)-filetimetoms(&userStartTime);
- Output("Third test complete: Timing=%g\n",
- ((double)readtime)/1000);
- Output("Adjusted decode time: Timing=%g\n",
- ((double)(dectime-readtime))/1000);
- #endif
- Output("Done.\n");
- return(0);
- }
- #ifdef _WIN32_WCE
- #define TESTFILE 0
- int WinMain(HINSTANCE h,HINSTANCE i,LPWSTR l,int n)
- {
- #if TESTFILE == 9
- char *argv[] = { "testtremor",
- "\\Storage Card\\Tremolo\\infile9.ogg",
- "\\Storage Card\\Tremolo\\output9.pcm",
- #ifdef _LOW_ACCURACY_
- "\\Storage Card\\Tremolo\\outputL9.ref",
- #else
- "\\Storage Card\\Tremolo\\output9.ref",
- #endif /* _LOW_ACCURACY_ */
- NULL };
- #endif
- #if TESTFILE == 2
- char *argv[] = { "testtremor",
- "\\Storage Card\\Tremolo\\infile2.ogg",
- "\\Storage Card\\Tremolo\\output2.pcm",
- #ifdef _LOW_ACCURACY_
- "\\Storage Card\\Tremolo\\outputL2.ref",
- #else
- "\\Storage Card\\Tremolo\\output2.ref",
- #endif /* _LOW_ACCURACY_ */
- NULL };
- #endif
- #if TESTFILE == 0
- char *argv[] = { "testtremor",
- "\\Storage Card\\Tremolo\\infile.ogg",
- "\\Storage Card\\Tremolo\\output.pcm",
- #ifdef _LOW_ACCURACY_
- "\\Storage Card\\Tremolo\\outputL.ref",
- #else
- "\\Storage Card\\Tremolo\\output.ref",
- #endif /* _LOW_ACCURACY_ */
- NULL };
- #endif
- return main(4, argv);
- }
- #endif
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