#undef NDEBUG
#include <assert.h>
-//X11 includes are in the xvmc_render.h
-//by replacing it with none-X one
+//X11 includes are in xvmc_render.h
+//by replacing it with non-X one
//XvMC emulation could be performed
#include "xvmc_render.h"
assert(render != NULL);
if( (render == NULL) || (render->magic != MP_XVMC_RENDER_MAGIC) ){
assert(0);
- return;//make sure that this is render packet
+ return;//make sure that this is a render packet
}
s->block =(DCTELEM *)(render->data_blocks+(render->next_free_data_block_num)*64);
}
}
}
-//these functions should be called on every new field or/and frame
-//They should be safe if they are called few times for same field!
+//These functions should be called on every new field and/or frame.
+//They should be safe if they are called a few times for the same field!
int XVMC_field_start(MpegEncContext*s, AVCodecContext *avctx){
xvmc_render_state_t * render,* last, * next;
s->mb_skipped = 0;
- // do I need to export quant when I could not perform postprocessing?
- // anyway, it doesn't hurrt
+ // Do I need to export quant when I could not perform postprocessing?
+ // Anyway, it doesn't hurt.
s->current_picture.qscale_table[mb_xy] = s->qscale;
//START OF XVMC specific code
mv_block->x = s->mb_x;
mv_block->y = s->mb_y;
mv_block->dct_type = s->interlaced_dct;//XVMC_DCT_TYPE_FRAME/FIELD;
-// mv_block->motion_type = 0; //zero to silense warnings
+// mv_block->motion_type = 0; //zero to silence warnings
if(s->mb_intra){
mv_block->macroblock_type = XVMC_MB_TYPE_INTRA;//no MC, all done
}else{
mv_block->motion_vertical_field_select = 0;
-//set correct field referenses
+//set correct field references
if(s->mv_type == MV_TYPE_FIELD || s->mv_type == MV_TYPE_16X8){
if( s->field_select[0][0] ) mv_block->motion_vertical_field_select|=1;
if( s->field_select[1][0] ) mv_block->motion_vertical_field_select|=2;
}
if(s->flags & CODEC_FLAG_GRAY){
- if(s->mb_intra){//intra frames are alwasy full chroma block
+ if(s->mb_intra){//intra frames are always full chroma block
for(i=4; i<blocks_per_mb; i++){
memset(s->pblocks[i],0,sizeof(short)*8*8);//so we need to clear them
if(!render->unsigned_intra)
}
}else{
cbp&= 0xf << (blocks_per_mb - 4);
- blocks_per_mb = 4;//Luminance blocks only
+ blocks_per_mb = 4;//luminance blocks only
}
}
mv_block->coded_block_pattern = cbp;
for(i=0; i<blocks_per_mb; i++){
if(s->block_last_index[i] >= 0){
- // I do not have unsigned_intra MOCO to test, hope it is OK
+ // I do not have unsigned_intra MOCO to test, hope it is OK.
if( (s->mb_intra) && ( render->idct || (!render->idct && !render->unsigned_intra)) )
s->pblocks[i][0]-=1<<10;
if(!render->idct){