mirror of
https://github.com/xenia-project/FFmpeg.git
synced 2024-12-05 18:17:06 +00:00
a50f0bea25
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
165 lines
6.4 KiB
C
165 lines
6.4 KiB
C
|
|
#include "h264.h"
|
|
#include "thread.h"
|
|
|
|
static inline int get_lowest_part_list_y(H264Context *h, Picture *pic, int n, int height,
|
|
int y_offset, int list){
|
|
int raw_my= h->mv_cache[list][ scan8[n] ][1];
|
|
int filter_height= (raw_my&3) ? 2 : 0;
|
|
int full_my= (raw_my>>2) + y_offset;
|
|
int top = full_my - filter_height, bottom = full_my + height + filter_height;
|
|
|
|
return FFMAX(abs(top), bottom);
|
|
}
|
|
|
|
static inline void get_lowest_part_y(H264Context *h, int refs[2][48], int n, int height,
|
|
int y_offset, int list0, int list1, int *nrefs){
|
|
MpegEncContext * const s = &h->s;
|
|
int my;
|
|
|
|
y_offset += 16*(s->mb_y >> MB_FIELD);
|
|
|
|
if(list0){
|
|
int ref_n = h->ref_cache[0][ scan8[n] ];
|
|
Picture *ref= &h->ref_list[0][ref_n];
|
|
|
|
// Error resilience puts the current picture in the ref list.
|
|
// Don't try to wait on these as it will cause a deadlock.
|
|
// Fields can wait on each other, though.
|
|
if(ref->thread_opaque != s->current_picture.thread_opaque ||
|
|
(ref->reference&3) != s->picture_structure) {
|
|
my = get_lowest_part_list_y(h, ref, n, height, y_offset, 0);
|
|
if (refs[0][ref_n] < 0) nrefs[0] += 1;
|
|
refs[0][ref_n] = FFMAX(refs[0][ref_n], my);
|
|
}
|
|
}
|
|
|
|
if(list1){
|
|
int ref_n = h->ref_cache[1][ scan8[n] ];
|
|
Picture *ref= &h->ref_list[1][ref_n];
|
|
|
|
if(ref->thread_opaque != s->current_picture.thread_opaque ||
|
|
(ref->reference&3) != s->picture_structure) {
|
|
my = get_lowest_part_list_y(h, ref, n, height, y_offset, 1);
|
|
if (refs[1][ref_n] < 0) nrefs[1] += 1;
|
|
refs[1][ref_n] = FFMAX(refs[1][ref_n], my);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Wait until all reference frames are available for MC operations.
|
|
*
|
|
* @param h the H264 context
|
|
*/
|
|
static void await_references(H264Context *h){
|
|
MpegEncContext * const s = &h->s;
|
|
const int mb_xy= h->mb_xy;
|
|
const int mb_type= s->current_picture.mb_type[mb_xy];
|
|
int refs[2][48];
|
|
int nrefs[2] = {0};
|
|
int ref, list;
|
|
|
|
memset(refs, -1, sizeof(refs));
|
|
|
|
if(IS_16X16(mb_type)){
|
|
get_lowest_part_y(h, refs, 0, 16, 0,
|
|
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);
|
|
}else if(IS_16X8(mb_type)){
|
|
get_lowest_part_y(h, refs, 0, 8, 0,
|
|
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);
|
|
get_lowest_part_y(h, refs, 8, 8, 8,
|
|
IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);
|
|
}else if(IS_8X16(mb_type)){
|
|
get_lowest_part_y(h, refs, 0, 16, 0,
|
|
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs);
|
|
get_lowest_part_y(h, refs, 4, 16, 0,
|
|
IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs);
|
|
}else{
|
|
int i;
|
|
|
|
assert(IS_8X8(mb_type));
|
|
|
|
for(i=0; i<4; i++){
|
|
const int sub_mb_type= h->sub_mb_type[i];
|
|
const int n= 4*i;
|
|
int y_offset= (i&2)<<2;
|
|
|
|
if(IS_SUB_8X8(sub_mb_type)){
|
|
get_lowest_part_y(h, refs, n , 8, y_offset,
|
|
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);
|
|
}else if(IS_SUB_8X4(sub_mb_type)){
|
|
get_lowest_part_y(h, refs, n , 4, y_offset,
|
|
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);
|
|
get_lowest_part_y(h, refs, n+2, 4, y_offset+4,
|
|
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);
|
|
}else if(IS_SUB_4X8(sub_mb_type)){
|
|
get_lowest_part_y(h, refs, n , 8, y_offset,
|
|
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);
|
|
get_lowest_part_y(h, refs, n+1, 8, y_offset,
|
|
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);
|
|
}else{
|
|
int j;
|
|
assert(IS_SUB_4X4(sub_mb_type));
|
|
for(j=0; j<4; j++){
|
|
int sub_y_offset= y_offset + 2*(j&2);
|
|
get_lowest_part_y(h, refs, n+j, 4, sub_y_offset,
|
|
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1), nrefs);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
for(list=h->list_count-1; list>=0; list--){
|
|
for(ref=0; ref<48 && nrefs[list]; ref++){
|
|
int row = refs[list][ref];
|
|
if(row >= 0){
|
|
Picture *ref_pic = &h->ref_list[list][ref];
|
|
int ref_field = ref_pic->reference - 1;
|
|
int ref_field_picture = ref_pic->field_picture;
|
|
int pic_height = 16*s->mb_height >> ref_field_picture;
|
|
|
|
row <<= MB_MBAFF;
|
|
nrefs[list]--;
|
|
|
|
if(!FIELD_PICTURE && ref_field_picture){ // frame referencing two fields
|
|
ff_thread_await_progress((AVFrame*)ref_pic, FFMIN((row >> 1) - !(row&1), pic_height-1), 1);
|
|
ff_thread_await_progress((AVFrame*)ref_pic, FFMIN((row >> 1) , pic_height-1), 0);
|
|
}else if(FIELD_PICTURE && !ref_field_picture){ // field referencing one field of a frame
|
|
ff_thread_await_progress((AVFrame*)ref_pic, FFMIN(row*2 + ref_field , pic_height-1), 0);
|
|
}else if(FIELD_PICTURE){
|
|
ff_thread_await_progress((AVFrame*)ref_pic, FFMIN(row, pic_height-1), ref_field);
|
|
}else{
|
|
ff_thread_await_progress((AVFrame*)ref_pic, FFMIN(row, pic_height-1), 0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#define FUNC(a) a ## _8
|
|
#define PIXEL_SHIFT 0
|
|
#include "h264_hl_motion.h"
|
|
|
|
#undef PIXEL_SHIFT
|
|
#undef FUNC
|
|
#define FUNC(a) a ## _16
|
|
#define PIXEL_SHIFT 1
|
|
#include "h264_hl_motion.h"
|
|
|
|
void ff_hl_motion(H264Context *h, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
|
|
qpel_mc_func (*qpix_put)[16], h264_chroma_mc_func (*chroma_put),
|
|
qpel_mc_func (*qpix_avg)[16], h264_chroma_mc_func (*chroma_avg),
|
|
h264_weight_func *weight_op, h264_biweight_func *weight_avg){
|
|
if(h->pixel_shift){
|
|
hl_motion_16(h, dest_y, dest_cb, dest_cr,
|
|
qpix_put, chroma_put,
|
|
qpix_avg, chroma_avg,
|
|
weight_op, weight_avg);
|
|
}else
|
|
hl_motion_8(h, dest_y, dest_cb, dest_cr,
|
|
qpix_put, chroma_put,
|
|
qpix_avg, chroma_avg,
|
|
weight_op, weight_avg);
|
|
}
|