diff options
Diffstat (limited to 'libhb/render.c')
-rw-r--r-- | libhb/render.c | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/libhb/render.c b/libhb/render.c deleted file mode 100644 index cf6d7b31c..000000000 --- a/libhb/render.c +++ /dev/null @@ -1,186 +0,0 @@ -/* $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/>. - It may be used under the terms of the GNU General Public License. */ - -#include "hb.h" - -#include "ffmpeg/avcodec.h" - -struct hb_work_private_s -{ - hb_job_t * job; - - ImgReSampleContext * context; - AVPicture pic_raw; - AVPicture pic_deint; - AVPicture pic_render; - hb_buffer_t * buf_deint; -}; - -int renderInit( hb_work_object_t *, hb_job_t * ); -int renderWork( hb_work_object_t *, hb_buffer_t **, hb_buffer_t ** ); -void renderClose( hb_work_object_t * ); - -hb_work_object_t hb_render = -{ - WORK_RENDER, - "Renderer", - renderInit, - renderWork, - renderClose -}; - -static void ApplySub( hb_job_t * job, hb_buffer_t * buf, - hb_buffer_t ** _sub ) -{ - hb_buffer_t * sub = *_sub; - hb_title_t * title = job->title; - int i, j, offset_top, offset_left; - uint8_t * lum, * alpha, * out; - - if( !sub ) - { - return; - } - - /* If necessary, move the subtitle so it is not in a cropped zone. - When it won't fit, we center it so we loose as much on both ends. - Otherwise we try to leave a 20px margin around it. */ - - if( sub->height > title->height - job->crop[0] - job->crop[1] - 40 ) - offset_top = job->crop[0] + ( title->height - job->crop[0] - - job->crop[1] - sub->height ) / 2; - else if( sub->y < job->crop[0] + 20 ) - offset_top = job->crop[0] + 20; - else if( sub->y > title->height - job->crop[1] - 20 - sub->height ) - offset_top = title->height - job->crop[1] - 20 - sub->height; - else - offset_top = sub->y; - - if( sub->width > title->width - job->crop[2] - job->crop[3] - 40 ) - offset_left = job->crop[2] + ( title->width - job->crop[2] - - job->crop[3] - sub->width ) / 2; - else if( sub->x < job->crop[2] + 20 ) - offset_left = job->crop[2] + 20; - else if( sub->x > title->width - job->crop[3] - 20 - sub->width ) - offset_left = title->width - job->crop[3] - 20 - sub->width; - else - offset_left = sub->x; - - lum = sub->data; - alpha = lum + sub->width * sub->height; - out = buf->data + offset_top * title->width + offset_left; - - for( i = 0; i < sub->height; i++ ) - { - if( offset_top + i >= 0 && offset_top + i < title->height ) - { - for( j = 0; j < sub->width; j++ ) - { - if( offset_left + j >= 0 && offset_left + j < title->width ) - { - out[j] = ( (uint16_t) out[j] * ( 16 - (uint16_t) alpha[j] ) + - (uint16_t) lum[j] * (uint16_t) alpha[j] ) >> 4; - } - } - } - - lum += sub->width; - alpha += sub->width; - out += title->width; - } - - hb_buffer_close( _sub ); -} - -int renderWork( hb_work_object_t * w, hb_buffer_t ** buf_in, - hb_buffer_t ** buf_out ) -{ - hb_work_private_t * pv = w->private_data; - hb_job_t * job = pv->job; - hb_title_t * title = job->title; - hb_buffer_t * in = *buf_in, * buf; - - avpicture_fill( &pv->pic_raw, in->data, PIX_FMT_YUV420P, - title->width, title->height ); - - buf = hb_buffer_init( 3 * job->width * job->height / 2 ); - buf->start = in->start; - buf->stop = in->stop; - - if( job->deinterlace && pv->context ) - { - avpicture_fill( &pv->pic_render, buf->data, PIX_FMT_YUV420P, - job->width, job->height ); - avpicture_deinterlace( &pv->pic_deint, &pv->pic_raw, - PIX_FMT_YUV420P, title->width, - title->height ); - ApplySub( job, pv->buf_deint, &in->sub ); - img_resample( pv->context, &pv->pic_render, &pv->pic_deint ); - } - else if( job->deinterlace ) - { - avpicture_fill( &pv->pic_deint, buf->data, PIX_FMT_YUV420P, - job->width, job->height ); - avpicture_deinterlace( &pv->pic_deint, &pv->pic_raw, - PIX_FMT_YUV420P, title->width, - title->height ); - ApplySub( job, buf, &in->sub ); - } - else if( pv->context ) - { - ApplySub( job, in, &in->sub ); - avpicture_fill( &pv->pic_render, buf->data, PIX_FMT_YUV420P, - job->width, job->height ); - img_resample( pv->context, &pv->pic_render, &pv->pic_raw ); - } - else - { - hb_buffer_close( &buf ); - ApplySub( job, in, &in->sub ); - buf = in; - *buf_in = NULL; - } - - (*buf_out) = buf; - - return HB_WORK_OK; -} - -void renderClose( hb_work_object_t * w ) -{ -} - -int renderInit( hb_work_object_t * w, hb_job_t * job ) -{ - hb_title_t * title; - - hb_work_private_t * pv = calloc( 1, sizeof( hb_work_private_t ) ); - w->private_data = pv; - - title = job->title; - - pv->job = job; - - if( job->crop[0] || job->crop[1] || job->crop[2] || job->crop[3] || - job->width != title->width || job->height != title->height ) - { - pv->context = img_resample_full_init( - job->width, job->height, title->width, title->height, - job->crop[0], job->crop[1], job->crop[2], job->crop[3], - 0, 0, 0, 0 ); - } - - if( job->deinterlace ) - { - /* Allocate a constant buffer used for deinterlacing */ - pv->buf_deint = hb_buffer_init( 3 * title->width * - title->height / 2 ); - avpicture_fill( &pv->pic_deint, pv->buf_deint->data, - PIX_FMT_YUV420P, title->width, title->height ); - } - - return 0; -} |