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Adding SPC codec (FS #6542)

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12298 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Adam Gashlin 2007-02-14 03:34:55 +00:00
parent 9b9539c8d3
commit b73960d3b9
10 changed files with 3089 additions and 1 deletions
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1037
apps/codecs/spc/Spc_Cpu.h Normal file
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apps/codecs/spc/Spc_Dsp.h Normal file
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apps/codecs/spc/spc_profiler.h Normal file
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
*
* Copyright (C) 2006-2007 Adam Gashlin (hcs)
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
/* a fun simple elapsed time profiler */
#if defined(SPC_PROFILE) && defined(USEC_TIMER)
#define CREATE_TIMER(name) static uint32_t spc_timer_##name##_start,\
spc_timer_##name##_total
#define ENTER_TIMER(name) spc_timer_##name##_start=USEC_TIMER
#define EXIT_TIMER(name) spc_timer_##name##_total+=\
(USEC_TIMER-spc_timer_##name##_start)
#define READ_TIMER(name) (spc_timer_##name##_total)
#define RESET_TIMER(name) spc_timer_##name##_total=0
#define PRINT_TIMER_PCT(bname,tname,nstr) ci->fdprintf( \
logfd,"%10ld ",READ_TIMER(bname));\
ci->fdprintf(logfd,"(%3d%%) " nstr "\t",\
((uint64_t)READ_TIMER(bname))*100/READ_TIMER(tname))
CREATE_TIMER(total);
CREATE_TIMER(render);
#if 0
CREATE_TIMER(cpu);
CREATE_TIMER(dsp);
CREATE_TIMER(dsp_pregen);
CREATE_TIMER(dsp_gen);
CREATE_TIMER(dsp_mix);
#endif
static void reset_profile_timers(void) {
RESET_TIMER(total);
RESET_TIMER(render);
#if 0
RESET_TIMER(cpu);
RESET_TIMER(dsp);
RESET_TIMER(dsp_pregen);
RESET_TIMER(dsp_gen);
RESET_TIMER(dsp_mix);
#endif
}
static int logfd=-1;
static void print_timers(char * path) {
logfd = ci->open("/spclog.txt",O_WRONLY|O_CREAT|O_APPEND);
ci->fdprintf(logfd,"%s:\t",path);
ci->fdprintf(logfd,"%10ld total\t",READ_TIMER(total));
PRINT_TIMER_PCT(render,total,"render");
#if 0
PRINT_TIMER_PCT(cpu,total,"CPU");
PRINT_TIMER_PCT(dsp,total,"DSP");
ci->fdprintf(logfd,"(");
PRINT_TIMER_PCT(dsp_pregen,dsp,"pregen");
PRINT_TIMER_PCT(dsp_gen,dsp,"gen");
PRINT_TIMER_PCT(dsp_mix,dsp,"mix");
#endif
ci->fdprintf(logfd,"\n");
ci->close(logfd);
logfd=-1;
}
#else
#define CREATE_TIMER(name)
#define ENTER_TIMER(name)
#define EXIT_TIMER(name)
#define READ_TIMER(name)
#define RESET_TIMER(name)
#define print_timers(path)
#define reset_profile_timers()
#endif