mozilla
/
aom
зеркало из
1
0
Форкнуть 0
Код Задачи Пакеты Проекты Релизы Вики Активность

Fixed the timebase parameter of ivfenc. 

Ivfenc will use timebase if it is set. If it is not set ivfenc will
still double the timebase so altref frames will have a unique pts.
Patch Set #3: Use integer math to generate source pts. Added a
framerate parameter. Increased the default timebase to milliseconds to
remove the *2 everywhere.

Change-Id: I8d25b5b2cb26deef7eb72d74b5f76c98cafaf4db
This commit is contained in:
Frank Galligan 2010-10-06 12:51:00 -04:00 коммит произвёл John Koleszar
Родитель cfe3f9173f
Коммит 1258cf62ae
1 изменённых файлов: 29 добавлений и 26 удалений
Показать статистику Скачать Patch файл Скачать Diff файл Показать все файлы Свернуть все файлы

55
ivfenc.c
Просмотреть файл

@ -423,10 +423,12 @@ static const arg_def_t verbosearg = ARG_DEF("v", "verbose", 0,
"Show encoder parameters");
static const arg_def_t psnrarg = ARG_DEF(NULL, "psnr", 0,
"Show PSNR in status line");
static const arg_def_t framerate = ARG_DEF(NULL, "framerate", 1,
"Stream frame rate (rate/scale)");
static const arg_def_t *main_args[] =
{
&codecarg, &passes, &pass_arg, &fpf_name, &limit, &deadline, &best_dl, &good_dl, &rt_dl,
&verbosearg, &psnrarg,
&verbosearg, &psnrarg, &framerate,
NULL
};
@ -450,7 +452,7 @@ static const arg_def_t lag_in_frames = ARG_DEF(NULL, "lag-in-frames", 1,
static const arg_def_t *global_args[] =
{
&use_yv12, &use_i420, &usage, &threads, &profile,
&width, &height, &timebase, &error_resilient,
&width, &height, &timebase, &framerate, &error_resilient,
&lag_in_frames, NULL
};
@ -614,10 +616,11 @@ int main(int argc, const char **argv_)
static const int *ctrl_args_map = NULL;
int verbose = 0, show_psnr = 0;
int arg_use_i420 = 1;
int arg_have_timebase = 0;
unsigned long cx_time = 0;
unsigned int file_type, fourcc;
y4m_input y4m;
struct vpx_rational arg_framerate = {30, 1};
int arg_have_framerate = 0;
exec_name = argv_[0];
@ -689,6 +692,11 @@ int main(int argc, const char **argv_)
arg_limit = arg_parse_uint(&arg);
else if (arg_match(&arg, &psnrarg, argi))
show_psnr = 1;
else if (arg_match(&arg, &framerate, argi))
{
arg_framerate = arg_parse_rational(&arg);
arg_have_framerate = 1;
}
else
argj++;
}
@ -720,6 +728,11 @@ int main(int argc, const char **argv_)
return EXIT_FAILURE;
}
/* Change the default timebase to a high enough value so that the encoder
* will always create strictly increasing timestamps.
*/
cfg.g_timebase.den = 1000;
/* Now parse the remainder of the parameters. */
for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step)
{
@ -735,10 +748,7 @@ int main(int argc, const char **argv_)
else if (arg_match(&arg, &height, argi))
cfg.g_h = arg_parse_uint(&arg);
else if (arg_match(&arg, &timebase, argi))
{
cfg.g_timebase = arg_parse_rational(&arg);
arg_have_timebase = 1;
}
else if (arg_match(&arg, &error_resilient, argi))
cfg.g_error_resilient = arg_parse_uint(&arg);
else if (arg_match(&arg, &lag_in_frames, argi))
@ -883,16 +893,16 @@ int main(int argc, const char **argv_)
file_type = FILE_TYPE_Y4M;
cfg.g_w = y4m.pic_w;
cfg.g_h = y4m.pic_h;
/* Use the frame rate from the file only if none was specified
* on the command-line.
*/
if (!arg_have_timebase)
if (!arg_have_framerate)
{
cfg.g_timebase.num = y4m.fps_d;
cfg.g_timebase.den = y4m.fps_n;
/* And don't reset it in the second pass.*/
arg_have_timebase = 1;
arg_framerate.num = y4m.fps_n;
arg_framerate.den = y4m.fps_d;
}
arg_use_i420 = 0;
}
else
@ -972,13 +982,6 @@ int main(int argc, const char **argv_)
else
vpx_img_alloc(&raw, arg_use_i420 ? VPX_IMG_FMT_I420 : VPX_IMG_FMT_YV12,
cfg.g_w, cfg.g_h, 1);
// This was added so that ivfenc will create monotically increasing
// timestamps. Since we create new timestamps for alt-reference frames
// we need to make room in the series of timestamps. Since there can
// only be 1 alt-ref frame ( current bitstream) multiplying by 2
// gives us enough room.
cfg.g_timebase.den *= 2;
}
outfile = strcmp(out_fn, "-") ? fopen(out_fn, "wb") : stdout;
@ -1047,6 +1050,7 @@ int main(int argc, const char **argv_)
vpx_codec_iter_t iter = NULL;
const vpx_codec_cx_pkt_t *pkt;
struct vpx_usec_timer timer;
int64_t frame_start;
if (!arg_limit || frames_in < arg_limit)
{
@ -1065,10 +1069,12 @@ int main(int argc, const char **argv_)
vpx_usec_timer_start(&timer);
// since we halved our timebase we need to double the timestamps
// and duration we pass in.
vpx_codec_encode(&encoder, frame_avail ? &raw : NULL, (frames_in - 1) * 2,
2, 0, arg_deadline);
frame_start = (cfg.g_timebase.den * (int64_t)(frames_in - 1)
* arg_framerate.den) / cfg.g_timebase.num / arg_framerate.num;
vpx_codec_encode(&encoder, frame_avail ? &raw : NULL, frame_start,
cfg.g_timebase.den * arg_framerate.den
/ cfg.g_timebase.num / arg_framerate.num,
0, arg_deadline);
vpx_usec_timer_mark(&timer);
cx_time += vpx_usec_timer_elapsed(&timer);
ctx_exit_on_error(&encoder, "Failed to encode frame");
@ -1116,14 +1122,11 @@ int main(int argc, const char **argv_)
fflush(stdout);
}
/* this bitrate calc is simplified and relies on the fact that this
* application uses 1/timebase for framerate.
*/
fprintf(stderr,
"\rPass %d/%d frame %4d/%-4d %7ldB %7ldb/f %7"PRId64"b/s"
" %7lu %s (%.2f fps)\033[K", pass + 1,
arg_passes, frames_in, frames_out, nbytes, nbytes * 8 / frames_in,
nbytes * 8 *(int64_t)cfg.g_timebase.den/2/ cfg.g_timebase.num / frames_in,
nbytes * 8 *(int64_t)arg_framerate.num / arg_framerate.den / frames_in,
cx_time > 9999999 ? cx_time / 1000 : cx_time,
cx_time > 9999999 ? "ms" : "us",
(float)frames_in * 1000000.0 / (float)cx_time);