/* $Id: render.c,v 1.17 2005/04/14 17:37:54 titer Exp $
This file is part of the HandBrake source code.
- Homepage: <http://handbrake.m0k.org/>.
+ Homepage: <http://handbrake.fr/>.
It may be used under the terms of the GNU General Public License. */
#include "hb.h"
-
-#include "ffmpeg/avcodec.h"
-#include "ffmpeg/swscale.h"
+#include "hbffmpeg.h"
struct hb_work_private_s
{
struct SwsContext * context;
AVPicture pic_tmp_in;
AVPicture pic_tmp_crop;
- AVPicture pic_tmp_out;
+ AVPicture pic_tmp_out;
hb_buffer_t * buf_scale;
hb_fifo_t * subtitle_queue;
hb_fifo_t * delay_queue;
void renderClose( hb_work_object_t * );
hb_work_object_t hb_render =
-{
+{
WORK_RENDER,
"Renderer",
renderInit,
*/
static uint8_t *getU(uint8_t *data, int width, int height, int x, int y)
{
- return(&data[(((y/2) * (width/2)) + (x/2)) + (width*height)]);
+ return(&data[(y>>1) * ((width+1)>>1) + (x>>1) + width*height]);
}
static uint8_t *getV(uint8_t *data, int width, int height, int x, int y)
{
- return(&data[(((y/2) * (width/2)) + (x/2)) + (width*height) +
- (width*height)/4]);
+ int w2 = (width+1) >> 1, h2 = (height+1) >> 1;
+ return(&data[(y>>1) * w2 + (x>>1) + width*height + w2*h2]);
}
static void ApplySub( hb_job_t * job, hb_buffer_t * buf,
{
return;
}
-
- /*
+
+ /*
* If necessary, move the subtitle so it is not in a cropped zone.
* When it won't fit, we center it so we lose as much on both ends.
- * Otherwise we try to leave a 20px or 2% margin around it.
+ * Otherwise we try to leave a 20px or 2% margin around it.
*/
- margin_top = ( ( title->height - job->crop[0] - job->crop[1] ) *
+ margin_top = ( ( title->height - job->crop[0] - job->crop[1] ) *
margin_percent ) / 100;
if( margin_top > 20 )
margin_top = 20;
}
- if( sub->height > title->height - job->crop[0] - job->crop[1] -
+ if( sub->height > title->height - job->crop[0] - job->crop[1] -
( margin_top * 2 ) )
{
/*
* Merge the luminance and alpha with the picture
*/
out[j] = ( (uint16_t) out[j] * ( 16 - (uint16_t) alpha[j] ) +
- (uint16_t) lum[j] * (uint16_t) alpha[j] ) >> 4;
+ (uint16_t) lum[j] * (uint16_t) alpha[j] ) >> 4;
/*
* Set the chroma (colour) based on whether there is
* any alpha at all. Don't try to blend with the picture.
*/
chromaU = getU(buf->data, title->width, title->height,
offset_left+j, offset_top+i);
-
+
chromaV = getV(buf->data, title->width, title->height,
offset_left+j, offset_top+i);
-
+
if( alpha[j] > 0 )
{
/*
- * Add the chroma from the sub-picture, as this is
+ * Add the chroma from the sub-picture, as this is
* not a transparent element.
*/
*chromaU = sub_chromaU[j];
*chromaV = sub_chromaV[j];
- }
+ }
}
}
}
hb_title_t * title = job->title;
hb_buffer_t * in = *buf_in, * buf_tmp_in = *buf_in;
hb_buffer_t * ivtc_buffer = NULL;
-
- if(!in->data)
+
+ if( in->size <= 0 )
{
/* If the input buffer is end of stream, send out an empty one
* to the next stage as well. Note that this will result in us
* losing the current contents of the delay queue.
*/
- *buf_out = hb_buffer_init(0);
- return HB_WORK_OK;
+ *buf_out = in;
+ *buf_in = NULL;
+ return HB_WORK_DONE;
}
/*
* use the subtitles.
*/
if( job->indepth_scan )
- {
+ {
*buf_out = NULL;
return HB_WORK_OK;
}
-
+
/* Push subtitles onto queue just in case we need to delay a frame */
if( in->sub )
{
}
/* If there's a chapter mark remember it in case we delay or drop its frame */
- if( in->new_chap )
+ if( in->new_chap && job->vfr )
{
pv->chapter_time = in->start;
pv->chapter_val = in->new_chap;
}
/* Setup render buffer */
- hb_buffer_t * buf_render = hb_buffer_init( 3 * job->width * job->height / 2 );
-
+ hb_buffer_t * buf_render = hb_video_buffer_init( job->width, job->height );
+
/* Apply filters */
if( job->filters )
{
int filter_count = hb_list_count( job->filters );
int i;
-
+
for( i = 0; i < filter_count; i++ )
{
hb_filter_object_t * filter = hb_list_item( job->filters, i );
-
+
if( !filter )
{
continue;
- }
-
+ }
+
hb_buffer_t * buf_tmp_out = NULL;
-
+
int result = filter->work( buf_tmp_in,
- &buf_tmp_out,
- PIX_FMT_YUV420P,
- title->width,
- title->height,
+ &buf_tmp_out,
+ PIX_FMT_YUV420P,
+ title->width,
+ title->height,
filter->private_data );
-
- /*
- * FILTER_OK: set temp buffer to filter buffer, continue
- * FILTER_DELAY: set temp buffer to NULL, abort
- * FILTER_DROP: set temp buffer to NULL, pop subtitle, abort
- * FILTER_FAILED: leave temp buffer alone, continue
+
+ /*
+ * FILTER_OK: set temp buffer to filter buffer, continue
+ * FILTER_DELAY: set temp buffer to NULL, abort
+ * FILTER_DROP: set temp buffer to NULL, pop subtitle, abort
+ * FILTER_FAILED: leave temp buffer alone, continue
*/
if( result == FILTER_OK )
{
{
buf_tmp_in = NULL;
break;
- }
+ }
else if( result == FILTER_DROP )
{
if( job->vfr )
pv->lost_time[1] += (temp_duration / 4);
pv->lost_time[2] += (temp_duration / 4);
pv->lost_time[3] += ( temp_duration - (temp_duration / 4) - (temp_duration / 4) - (temp_duration / 4) );
-
+
pv->total_lost_time += temp_duration;
pv->dropped_frames++;
-
- hb_fifo_get( pv->subtitle_queue );
+
+ /* Pop the frame's subtitle and dispose of it. */
+ hb_buffer_t * subtitles = hb_fifo_get( pv->subtitle_queue );
+ hb_buffer_close( &subtitles );
buf_tmp_in = NULL;
+ break;
}
else
{
buf_tmp_in = buf_tmp_out;
}
- break;
}
}
- }
+ }
if( buf_tmp_in )
{
/* Cache frame start and stop times, so we can renumber
- time stamps if dropping frames for VFR. */
+ time stamps if dropping frames for VFR. */
int i;
for( i = 3; i >= 1; i-- )
{
pv->last_start[i] = pv->last_start[i-1];
pv->last_stop[i] = pv->last_stop[i-1];
}
-
+
/* In order to make sure we have continuous time stamps, store
the current frame's duration as starting when the last one stopped. */
pv->last_start[0] = pv->last_stop[1];
pv->last_stop[0] = pv->last_start[0] + (in->stop - in->start);
}
-
+
/* Apply subtitles */
if( buf_tmp_in )
{
- hb_buffer_t * subtitles = hb_fifo_get( pv->subtitle_queue );
+ hb_buffer_t * subtitles = hb_fifo_get( pv->subtitle_queue );
if( subtitles )
{
ApplySub( job, buf_tmp_in, &subtitles );
}
}
-
+
/* Apply crop/scale if specified */
if( buf_tmp_in && pv->context )
{
- avpicture_fill( &pv->pic_tmp_in, buf_tmp_in->data,
+ avpicture_fill( &pv->pic_tmp_in, buf_tmp_in->data,
PIX_FMT_YUV420P,
title->width, title->height );
-
- avpicture_fill( &pv->pic_tmp_out, buf_render->data,
+
+ avpicture_fill( &pv->pic_tmp_out, buf_render->data,
PIX_FMT_YUV420P,
job->width, job->height );
pv->pic_tmp_crop.data, pv->pic_tmp_crop.linesize,
0, title->height - (job->crop[0] + job->crop[1]),
pv->pic_tmp_out.data, pv->pic_tmp_out.linesize);
-
+
hb_buffer_copy_settings( buf_render, buf_tmp_in );
-
+
buf_tmp_in = buf_render;
- }
+ }
/* Set output to render buffer */
(*buf_out) = buf_render;
{
hb_buffer_close( buf_in );
*buf_in = NULL;
- }
+ }
if( buf_out && *buf_out )
{
- hb_buffer_close( buf_out );
+ hb_buffer_close( buf_out );
*buf_out = NULL;
}
}
else if( buf_tmp_in != buf_render )
- {
+ {
/* Copy temporary results and settings into render buffer */
memcpy( buf_render->data, buf_tmp_in->data, buf_render->size );
hb_buffer_copy_settings( buf_render, buf_tmp_in );
}
-
- if (*buf_out)
+
+ if (*buf_out && job->vfr)
{
hb_fifo_push( pv->delay_queue, *buf_out );
- *buf_out = NULL;
+ *buf_out = NULL;
}
/*
* Keep the last three frames in our queue, this ensures that we have the last
* two always in there should we need to rewrite the durations on them.
*/
-
+
if( job->vfr )
{
- if( hb_fifo_size( pv->delay_queue ) >= 3 )
+ if( hb_fifo_size( pv->delay_queue ) >= 4 )
{
*buf_out = hb_fifo_get( pv->delay_queue );
}
}
- else
- {
- *buf_out = hb_fifo_get( pv->delay_queue );
- }
if( *buf_out && job->vfr)
{
* ones you need a 2 frame delay between
* reading input and writing output.
*/
-
+
/* We want to extend the outputted frame's duration by the value
stored in the 4th slot of the lost_time array. Because we need
to adjust all the values in the array so they're contiguous,
extend the duration inside the array first, before applying
it to the current frame buffer. */
pv->last_stop[3] += pv->lost_time[3];
-
+
/* Log how much time has been added back in to the video. */
pv->total_gained_time += pv->lost_time[3];
-
+
/* We've pulled the 4th value from the lost_time array
and added it to the last_stop array's 4th slot. Now, rotate the
lost_time array so the 4th slot now holds the 3rd's value, and
pv->lost_time[i+1] = pv->lost_time[i];
}
pv->lost_time[0] = 0;
-
+
/* Log how many frames have had their durations extended. */
pv->extended_frames++;
}
-
+
/* We can't use the given time stamps. Previous frames
might already have been extended, throwing off the
raw values fed to render.c. Instead, their
lost time, it will have happened above. */
ivtc_buffer->start = pv->last_start[3];
ivtc_buffer->stop = pv->last_stop[3];
-
+
/* Set the 3rd cached frame to start when this one stops,
and so on down the line. If any of them need to be
extended as well to make up lost time, it'll be handled
on the next loop through the renderer. */
- int i;
+ int i;
for (i = 2; i >= 0; i--)
{
int temp_duration = pv->last_stop[i] - pv->last_start[i];
void renderClose( hb_work_object_t * w )
{
- hb_work_private_t * pv = w->private_data;
+ hb_work_private_t * pv = w->private_data;
hb_log("render: lost time: %lld (%i frames)", pv->total_lost_time, pv->dropped_frames);
hb_log("render: gained time: %lld (%i frames) (%lld not accounted for)", pv->total_gained_time, pv->extended_frames, pv->total_lost_time - pv->total_gained_time);
if (pv->dropped_frames)
hb_log("render: average dropped frame duration: %lld", (pv->total_lost_time / pv->dropped_frames) );
-
+
/* Cleanup subtitle queue */
if( pv->subtitle_queue )
{
hb_fifo_close( &pv->subtitle_queue );
}
-
+
if( pv->delay_queue )
{
hb_fifo_close( &pv->delay_queue );
}
-
+
/* Cleanup render work structure */
free( pv );
- w->private_data = NULL;
+ w->private_data = NULL;
}
int renderInit( hb_work_object_t * w, hb_job_t * job )
-{
+{
/* Allocate new private work object */
hb_work_private_t * pv = calloc( 1, sizeof( hb_work_private_t ) );
pv->job = job;
w->private_data = pv;
+ uint32_t swsflags;
+
+ swsflags = SWS_LANCZOS | SWS_ACCURATE_RND;
/* Get title and title size */
hb_title_t * title = job->title;
title->height - (job->crop[0] + job->crop[1]),
PIX_FMT_YUV420P,
job->width, job->height, PIX_FMT_YUV420P,
- (uint16_t)(SWS_LANCZOS|SWS_ACCURATE_RND), NULL, NULL, NULL);
- }
-
+ swsflags, NULL, NULL, NULL);
+ }
+
/* Setup FIFO queue for subtitle cache */
- pv->subtitle_queue = hb_fifo_init( 8 );
+ pv->subtitle_queue = hb_fifo_init( 8 );
pv->delay_queue = hb_fifo_init( 8 );
/* VFR IVTC needs a bunch of time-keeping variables to track
{
int filter_count = hb_list_count( job->filters );
int i;
-
+
for( i = 0; i < filter_count; i++ )
{
hb_filter_object_t * filter = hb_list_item( job->filters, i );
if( !filter ) continue;
-
+
filter->private_data = filter->init( PIX_FMT_YUV420P,
title->width,
title->height,
filter->settings );
}
}
-
+
return 0;
}
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