void x264_speedcontrol_new( x264_t *h )
{
x264_speedcontrol_t *sc = h->sc = x264_malloc( sizeof(x264_speedcontrol_t) );
x264_emms();
memset( sc, 0, sizeof(x264_speedcontrol_t) );
if( h->param.sc.f_speed <= 0 )
h->param.sc.f_speed = 1;
sc->fps = h->param.i_fps_num / h->param.i_fps_den;
sc->spf = 1e6 / sc->fps;
h->param.sc.i_buffer_size = X264_MAX( 3, h->param.sc.i_buffer_size );
sc->buffer_size = h->param.sc.i_buffer_size * 1e6 / sc->fps;
sc->buffer_fill = sc->buffer_size * h->param.sc.f_buffer_init;
sc->buffer_fill = x264_clip3( sc->buffer_fill, sc->spf, sc->buffer_size );
sc->compensation_period = sc->buffer_size/4;
sc->timestamp = x264_mdate();
sc->preset = -1;
sc->prev_frame = 0;
sc->cplx_num = 3e3; //FIXME estimate initial complexity
sc->cplx_den = .1;
sc->cplx_decay = 1 - 1./h->param.sc.i_buffer_size;
sc->stat.min_buffer = sc->buffer_size;
sc->stat.max_buffer = 0;
sc->user_param = h->param;
}
int main(int argc, char *argv[])
{
int ret = 0;
int i;
if( argc > 1 && !strncmp( argv[1], "--bench", 7 ) )
{
#if !defined(ARCH_X86) && !defined(ARCH_X86_64)
fprintf( stderr, "no --bench for your cpu until you port rdtsc\n" );
return 1;
#endif
do_bench = 1;
if( argv[1][7] == '=' )
{
bench_pattern = argv[1]+8;
bench_pattern_len = strlen(bench_pattern);
}
argc--;
argv++;
}
i = ( argc > 1 ) ? atoi(argv[1]) : x264_mdate();
fprintf( stderr, "x264: using random seed %u\n", i );
srand( i );
buf1 = x264_malloc( 0x3e00 + 16*BENCH_ALIGNS );
buf2 = buf1 + 0xf00;
buf3 = buf2 + 0xf00;
buf4 = buf3 + 0x1000;
for( i=0; i<0x1e00; i++ )
buf1[i] = rand() & 0xFF;
memset( buf1+0x1e00, 0, 0x2000 );
/* 16-byte alignment is guaranteed whenever it's useful, but some functions also vary in speed depending on %64 */
if( do_bench )
for( i=0; i<BENCH_ALIGNS && !ret; i++ )
{
buf2 = buf1 + 0xf00;
buf3 = buf2 + 0xf00;
buf4 = buf3 + 0x1000;
ret |= x264_stack_pagealign( check_all_flags, i*16 );
buf1 += 16;
quiet = 1;
fprintf( stderr, "%d/%d\r", i+1, BENCH_ALIGNS );
}
else
ret = check_all_flags();
if( ret )
{
fprintf( stderr, "x264: at least one test has failed. Go and fix that Right Now!\n" );
return -1;
}
fprintf( stderr, "x264: All tests passed Yeah :)\n" );
if( do_bench )
print_bench();
return 0;
}
gpointer
x264_gtk_encode_encode (X264_Thread_Data *thread_data)
{
GIOStatus status;
gsize size;
X264_Pipe_Data pipe_data;
x264_param_t *param;
x264_picture_t pic;
x264_t *h;
hnd_t hin;
hnd_t hout;
int i_frame;
int i_frame_total;
int64_t i_start;
int64_t i_end;
int64_t i_file;
int i_frame_size;
int i_progress;
int err;
g_print (_("encoding...\n"));
param = thread_data->param;
err = x264_set_drivers (thread_data->in_container, thread_data->out_container);
if (err < 0) {
GtkWidget *no_driver;
no_driver = gtk_message_dialog_new (GTK_WINDOW(thread_data->dialog),
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_CLOSE,
(err == -2) ? _("Error: unknown output file type")
: _("Error: unknown input file type"));
gtk_dialog_run (GTK_DIALOG (no_driver));
gtk_widget_destroy (no_driver);
return NULL;
}
if (p_open_infile (thread_data->file_input, &hin, param)) {
fprintf( stderr, _("could not open input file '%s'\n"), thread_data->file_input );
return NULL;
}
p_open_outfile ((char *)thread_data->file_output, &hout);
i_frame_total = p_get_frame_total (hin );
if (((i_frame_total == 0) || (param->i_frame_total < i_frame_total)) &&
(param->i_frame_total > 0))
i_frame_total = param->i_frame_total;
param->i_frame_total = i_frame_total;
if ((h = x264_encoder_open (param)) == NULL)
{
fprintf (stderr, _("x264_encoder_open failed\n"));
p_close_infile (hin);
p_close_outfile (hout);
g_free (param);
return NULL;
}
if (p_set_outfile_param (hout, param))
{
fprintf (stderr, _("can't set outfile param\n"));
p_close_infile (hin);
p_close_outfile (hout);
g_free (param);
return NULL;
}
/* Create a new pic */
x264_picture_alloc (&pic, X264_CSP_I420, param->i_width, param->i_height );
i_start = x264_mdate();
/* Encode frames */
for (i_frame = 0, i_file = 0, i_progress = 0;
((i_frame < i_frame_total) || (i_frame_total == 0)); )
{
if (p_read_frame (&pic, hin, i_frame))
break;
pic.i_pts = (int64_t)i_frame * param->i_fps_den;
i_file += x264_encode_frame (h, hout, &pic);
i_frame++;
/* update status line (up to 1000 times per input file) */
if (param->i_log_level < X264_LOG_DEBUG &&
(i_frame_total ? i_frame * 1000 / i_frame_total > i_progress
: i_frame % 10 == 0))
{
int64_t i_elapsed = x264_mdate () - i_start;
if (i_frame_total)
{
pipe_data.frame = i_frame;
pipe_data.frame_total = i_frame_total;
pipe_data.file = i_file;
pipe_data.elapsed = i_elapsed;
status = g_io_channel_write_chars (thread_data->io_write,
(const gchar *)&pipe_data,
sizeof (X264_Pipe_Data),
&size, NULL);
if (status != G_IO_STATUS_NORMAL) {
g_print (_("Error ! %d %d %d\n"), status, (int)sizeof (X264_Pipe_Data), (int)size);
}
else {
/* we force the GIOChannel to write to the pipeline */
status = g_io_channel_flush (thread_data->io_write,
NULL);
if (status != G_IO_STATUS_NORMAL) {
g_print (_("Error ! %d\n"), status);
}
}
}
}
}
/* Flush delayed B-frames */
do {
i_file += i_frame_size = x264_encode_frame (h, hout, NULL);
} while (i_frame_size);
i_end = x264_mdate ();
x264_picture_clean (&pic);
x264_encoder_close (h);
fprintf (stderr, "\n");
p_close_infile (hin);
p_close_outfile (hout);
if (i_frame > 0) {
double fps = (double)i_frame * (double)1000000 /
(double)(i_end - i_start);
fprintf (stderr, _("encoded %d frames, %.2f fps, %.2f kb/s\n"),
i_frame, fps,
(double) i_file * 8 * param->i_fps_num /
((double) param->i_fps_den * i_frame * 1000));
}
gtk_widget_set_sensitive (thread_data->end_button, TRUE);
gtk_widget_hide (thread_data->button);
return NULL;
}
/*****************************************************************************
* Encode:
*****************************************************************************/
static int Encode( x264_param_t *param, cli_opt_t *opt )
{
x264_t *h;
x264_picture_t pic;
int i_frame, i_frame_total;
int64_t i_start, i_end;
int64_t i_file;
int i_frame_size;
int i_progress;
i_frame_total = p_get_frame_total( opt->hin );
i_frame_total -= opt->i_seek;
if( ( i_frame_total == 0 || param->i_frame_total < i_frame_total )
&& param->i_frame_total > 0 )
i_frame_total = param->i_frame_total;
param->i_frame_total = i_frame_total;
if( ( h = x264_encoder_open( param ) ) == NULL )
{
fprintf( stderr, "x264_encoder_open failed\n" );
p_close_infile( opt->hin );
p_close_outfile( opt->hout );
return -1;
}
if( p_set_outfile_param( opt->hout, param ) )
{
fprintf( stderr, "can't set outfile param\n" );
p_close_infile( opt->hin );
p_close_outfile( opt->hout );
return -1;
}
/* Create a new pic */
x264_picture_alloc( &pic, X264_CSP_I420, param->i_width, param->i_height );
i_start = x264_mdate();
/* Encode frames */
for( i_frame = 0, i_file = 0, i_progress = 0;
b_ctrl_c == 0 && (i_frame < i_frame_total || i_frame_total == 0); )
{
if( p_read_frame( &pic, opt->hin, i_frame + opt->i_seek ) )
break;
pic.i_pts = (int64_t)i_frame * param->i_fps_den;
if( opt->qpfile )
parse_qpfile( opt, &pic, i_frame + opt->i_seek );
else
{
/* Do not force any parameters */
pic.i_type = X264_TYPE_AUTO;
pic.i_qpplus1 = 0;
}
i_file += Encode_frame( h, opt->hout, &pic );
i_frame++;
/* update status line (up to 1000 times per input file) */
if( opt->b_progress
&&
param->i_log_level < X264_LOG_DEBUG
&&
( i_frame_total ? i_frame * 1000 / i_frame_total > i_progress : i_frame % 10 == 0 ) )
{
int64_t i_elapsed = x264_mdate() - i_start;
double fps = i_elapsed > 0 ? i_frame * 1000000. / i_elapsed : 0;
if( i_frame_total )
{
int eta = i_elapsed * (i_frame_total - i_frame) / ((int64_t)i_frame * 1000000);
i_progress = i_frame * 1000 / i_frame_total;
fprintf( stderr, "encoded frames: %d/%d (%.1f%%), %.2f fps, eta %d:%02d:%02d \r",
i_frame, i_frame_total, (float)i_progress / 10, fps,
eta/3600, (eta/60)%60, eta%60 );
}
else
fprintf( stderr, "encoded frames: %d, %.2f fps \r", i_frame, fps );
fflush( stderr ); // needed in windows
}
}
/* Flush delayed B-frames */
do
{
i_file += i_frame_size = Encode_frame( h, opt->hout, NULL );
} while( i_frame_size );
i_end = x264_mdate();
x264_picture_clean( &pic );
x264_encoder_close( h );
fprintf( stderr, "\n" );
if( b_ctrl_c )
fprintf( stderr, "aborted at input frame %d\n", opt->i_seek + i_frame );
p_close_infile( opt->hin );
p_close_outfile( opt->hout );
if( i_frame > 0 )
{
double fps = (double)i_frame * (double)1000000 /
(double)( i_end - i_start );
fprintf( stderr, "encoded %d frames, %.2f fps, %.2f kb/s\n", i_frame, fps,
(double) i_file * 8 * param->i_fps_num /
( (double) param->i_fps_den * i_frame * 1000 ) );
}
return 0;
}
typedef struct
{
FFMS_VideoSource *video_source;
FFMS_Track *track;
int reduce_pts;
int vfr_input;
int num_frames;
int64_t time;
} ffms_hnd_t;
static int FFMS_CC update_progress( int64_t current, int64_t total, void *private )
{
int64_t *update_time = private;
int64_t oldtime = *update_time;
int64_t newtime = x264_mdate();
if( oldtime && newtime - oldtime < UPDATE_INTERVAL )
return 0;
*update_time = newtime;
char buf[200];
sprintf( buf, "ffms [info]: indexing input file [%.1f%%]", 100.0 * current / total );
fprintf( stderr, "%s \r", buf+5 );
x264_cli_set_console_title( buf );
fflush( stderr );
return 0;
}
/* handle the deprecated jpeg pixel formats */
static int handle_jpeg( int csp, int *fullrange )
{
void x264_speedcontrol_frame( x264_t *h )
{
x264_speedcontrol_t *sc = h->sc;
int64_t t, delta_t, delta_buffer;
int delta_f;
x264_emms();
// update buffer state after encoding and outputting the previous frame(s)
t = x264_mdate();
delta_f = h->i_frame - sc->prev_frame;
delta_t = t - sc->timestamp;
delta_buffer = delta_f * sc->spf / h->param.sc.f_speed - delta_t;
sc->buffer_fill += delta_buffer;
sc->prev_frame = h->i_frame;
sc->timestamp = t;
// update the time predictor
if( delta_f )
{
int cpu_time = h->param.sc.b_alt_timer ? sc->cpu_time : delta_t;
float decay = powf( sc->cplx_decay, delta_f );
sc->cplx_num *= decay;
sc->cplx_den *= decay;
sc->cplx_num += cpu_time / presets[sc->preset].time;
sc->cplx_den += delta_f;
sc->stat.avg_preset += sc->preset * delta_f;
sc->stat.den += delta_f;
}
sc->stat.min_buffer = X264_MIN( sc->buffer_fill, sc->stat.min_buffer );
sc->stat.max_buffer = X264_MAX( sc->buffer_fill, sc->stat.max_buffer );
if( sc->buffer_fill > sc->buffer_size ) // oops, cpu was idle
{
// not really an error, but we'll warn for debugging purposes
static int64_t idle_t = 0, print_interval = 0;
idle_t += sc->buffer_fill - sc->buffer_size;
if( t - print_interval > 1e6 )
{
x264_log( h, X264_LOG_WARNING, "speedcontrol idle (%.6f sec)\n", idle_t/1e6 );
print_interval = t;
idle_t = 0;
}
sc->buffer_fill = sc->buffer_size;
}
else if( sc->buffer_fill < 0 && delta_buffer < 0 ) // oops, we're late
{
// don't clip fullness to 0; we'll hope the real buffer was bigger than
// specified, and maybe we can catch up. if the application had to drop
// frames, then it should override the buffer fullness (FIXME implement this).
x264_log( h, X264_LOG_WARNING, "speedcontrol underflow (%.6f sec)\n", sc->buffer_fill/1e6 );
}
{
// pick the preset that should return the buffer to 3/4-full within a time
// specified by compensation_period
float target = sc->spf / h->param.sc.f_speed
* (sc->buffer_fill + sc->compensation_period)
/ (sc->buffer_size*3/4 + sc->compensation_period);
float cplx = sc->cplx_num / sc->cplx_den;
float set, t0, t1;
float filled = (float) sc->buffer_fill / sc->buffer_size;
int i;
t0 = presets[0].time * cplx;
for( i=1;; i++ )
{
t1 = presets[i].time * cplx;
if( t1 >= target || i == PRESETS-1 )
break;
t0 = t1;
}
// linear interpolation between states
set = i-1 + (target - t0) / (t1 - t0);
// Even if our time estimations in the PRESETS array are off
// this will push us towards our target fullness
set += (20 * (filled-0.75));
set = x264_clip3f(set,0,PRESETS-1);
apply_preset( h, dither( sc, set ) );
// FIXME
if (h->param.i_log_level >= X264_LOG_DEBUG)
{
static float cpu, wall, tgt, den;
float decay = 1-1/100.;
cpu = cpu*decay + sc->cpu_time;
wall = wall*decay + delta_t;
tgt = tgt*decay + target;
den = den*decay + 1;
fprintf( stderr, "speed: %.2f %d[%.5f] (t/c/w: %6.0f/%6.0f/%6.0f = %.4f) fps=%.2f\r",
set, sc->preset, (float)sc->buffer_fill / sc->buffer_size,
tgt/den, cpu/den, wall/den, cpu/wall, 1e6*den/wall );
}
}
}
void x264_speedcontrol_frame_end( x264_t *h )
{
x264_speedcontrol_t *sc = h->sc;
if( h->param.sc.b_alt_timer )
sc->cpu_time = x264_mdate() - sc->timestamp;
}
