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added benchmark option 

Originally committed as revision 17 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Fabrice Bellard 2001-07-30 23:19:22 +00:00
parent ca9118c876
commit 5727b222ce
1 changed files with 20 additions and 0 deletions
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ffmpeg.c
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@ -26,6 +26,8 @@
#include <string.h>
#include <sys/poll.h>
#include <termios.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <ctype.h>
#include "avformat.h"
@ -91,6 +93,7 @@ static char *str_title = NULL;
static char *str_author = NULL;
static char *str_copyright = NULL;
static char *str_comment = NULL;
static int do_benchmark = 0;
typedef struct AVOutputStream {
int file_index; /* file index */
@ -1880,6 +1883,14 @@ void opt_output_file(const char *filename)
video_codec_id = CODEC_ID_NONE;
}
INT64 getutime(void)
{
struct rusage rusage;
getrusage(RUSAGE_SELF, &rusage);
return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
}
void show_formats(void)
{
AVFormat *f;
@ -2002,6 +2013,8 @@ const OptionDef options[] = {
{ "an", OPT_BOOL, {int_arg: &audio_disable}, "disable audio" },
{ "ad", HAS_ARG | OPT_EXPERT, {opt_audio_device}, "set audio device", "device" },
{ "acodec", HAS_ARG | OPT_EXPERT, {opt_audio_codec}, "force audio codec", "codec" },
{ "benchmark", OPT_BOOL | OPT_EXPERT, {int_arg: &do_benchmark},
"add timings for benchmarking" },
{ NULL, },
};
@ -2057,12 +2070,19 @@ int main(int argc, char **argv)
}
av_grab(output_files[0]);
} else {
INT64 ti;
if (nb_output_files <= 0) {
fprintf(stderr, "Must supply at least one output file\n");
exit(1);
}
ti = getutime();
av_encode(output_files, nb_output_files, input_files, nb_input_files,
stream_maps, nb_stream_maps);
ti = getutime() - ti;
if (do_benchmark) {
printf("bench: utime=%0.3fs\n", ti / 1000000.0);
}
}
/* close files */