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FFmpeg
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Add the notion of pixel size in h264 related functions. 

In high bit depth the pixels will not be stored in uint8_t like in the
normal case, but in uint16_t. The pixel size is thus 1 in normal bit
depth and 2 in high bit depth.

Preparatory patch for high bit depth h264 decoding support.

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
tags/n0.8
Oskar Arvidsson Ronald S. Bultje 14 years ago
parent
44ca80df34
commit
6e3ef511d7
7 changed files with 338 additions and 196 deletions
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  1. +3
    -1
      ffplay.c
  2. +220
    -103
      libavcodec/h264.c
  3. +5
    -4
      libavcodec/h264.h
  4. +58
    -47
      libavcodec/h264_cabac.c
  5. +47
    -37
      libavcodec/h264_cavlc.c
  6. +3
    -3
      libavcodec/h264_loopfilter.c
  7. +2
    -1
      libavcodec/utils.c

+ 3
- 1
ffplay.c View File

@@ -1577,6 +1577,7 @@ static int input_get_buffer(AVCodecContext *codec, AVFrame *pic)
int perms = AV_PERM_WRITE;
int i, w, h, stride[4];
unsigned edge;
int pixel_size;

if (codec->codec->capabilities & CODEC_CAP_NEG_LINESIZES)
perms |= AV_PERM_NEG_LINESIZES;
@@ -1598,6 +1599,7 @@ static int input_get_buffer(AVCodecContext *codec, AVFrame *pic)
if(!(ref = avfilter_get_video_buffer(ctx->outputs[0], perms, w, h)))
return -1;

pixel_size = av_pix_fmt_descriptors[ref->format].comp[0].step_minus1+1;
ref->video->w = codec->width;
ref->video->h = codec->height;
for(i = 0; i < 4; i ++) {
@@ -1605,7 +1607,7 @@ static int input_get_buffer(AVCodecContext *codec, AVFrame *pic)
unsigned vshift = (i == 1 || i == 2) ? av_pix_fmt_descriptors[ref->format].log2_chroma_h : 0;

if (ref->data[i]) {
ref->data[i] += (edge >> hshift) + ((edge * ref->linesize[i]) >> vshift);
ref->data[i] += ((edge * pixel_size) >> hshift) + ((edge * ref->linesize[i]) >> vshift);
}
pic->data[i] = ref->data[i];
pic->linesize[i] = ref->linesize[i];


+ 220
- 103
libavcodec/h264.c View File

@@ -314,12 +314,13 @@ static void chroma_dc_dct_c(DCTELEM *block){
static inline void mc_dir_part(H264Context *h, Picture *pic, int n, int square, int chroma_height, int delta, int list,
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
int src_x_offset, int src_y_offset,
qpel_mc_func *qpix_op, h264_chroma_mc_func chroma_op){
qpel_mc_func *qpix_op, h264_chroma_mc_func chroma_op,
int pixel_shift){
MpegEncContext * const s = &h->s;
const int mx= h->mv_cache[list][ scan8[n] ][0] + src_x_offset*8;
int my= h->mv_cache[list][ scan8[n] ][1] + src_y_offset*8;
const int luma_xy= (mx&3) + ((my&3)<<2);
uint8_t * src_y = pic->data[0] + (mx>>2) + (my>>2)*h->mb_linesize;
uint8_t * src_y = pic->data[0] + ((mx>>2) << pixel_shift) + (my>>2)*h->mb_linesize;
uint8_t * src_cb, * src_cr;
int extra_width= h->emu_edge_width;
int extra_height= h->emu_edge_height;
@@ -336,8 +337,8 @@ static inline void mc_dir_part(H264Context *h, Picture *pic, int n, int square,
|| full_my < 0-extra_height
|| full_mx + 16/*FIXME*/ > pic_width + extra_width
|| full_my + 16/*FIXME*/ > pic_height + extra_height){
s->dsp.emulated_edge_mc(s->edge_emu_buffer, src_y - 2 - 2*h->mb_linesize, h->mb_linesize, 16+5, 16+5/*FIXME*/, full_mx-2, full_my-2, pic_width, pic_height);
src_y= s->edge_emu_buffer + 2 + 2*h->mb_linesize;
s->dsp.emulated_edge_mc(s->edge_emu_buffer, src_y - (2 << pixel_shift) - 2*h->mb_linesize, h->mb_linesize, 16+5, 16+5/*FIXME*/, full_mx-2, full_my-2, pic_width, pic_height);
src_y= s->edge_emu_buffer + (2 << pixel_shift) + 2*h->mb_linesize;
emu=1;
}

@@ -353,8 +354,8 @@ static inline void mc_dir_part(H264Context *h, Picture *pic, int n, int square,
my += 2 * ((s->mb_y & 1) - (pic->reference - 1));
emu |= (my>>3) < 0 || (my>>3) + 8 >= (pic_height>>1);
}
src_cb= pic->data[1] + (mx>>3) + (my>>3)*h->mb_uvlinesize;
src_cr= pic->data[2] + (mx>>3) + (my>>3)*h->mb_uvlinesize;
src_cb= pic->data[1] + ((mx>>3) << pixel_shift) + (my>>3)*h->mb_uvlinesize;
src_cr= pic->data[2] + ((mx>>3) << pixel_shift) + (my>>3)*h->mb_uvlinesize;

if(emu){
s->dsp.emulated_edge_mc(s->edge_emu_buffer, src_cb, h->mb_uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1);
@@ -374,14 +375,14 @@ static inline void mc_part_std(H264Context *h, int n, int square, int chroma_hei
int x_offset, int y_offset,
qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg,
int list0, int list1){
int list0, int list1, int pixel_shift){
MpegEncContext * const s = &h->s;
qpel_mc_func *qpix_op= qpix_put;
h264_chroma_mc_func chroma_op= chroma_put;

dest_y += 2*x_offset + 2*y_offset*h-> mb_linesize;
dest_cb += x_offset + y_offset*h->mb_uvlinesize;
dest_cr += x_offset + y_offset*h->mb_uvlinesize;
dest_y += (2*x_offset << pixel_shift) + 2*y_offset*h-> mb_linesize;
dest_cb += ( x_offset << pixel_shift) + y_offset*h->mb_uvlinesize;
dest_cr += ( x_offset << pixel_shift) + y_offset*h->mb_uvlinesize;
x_offset += 8*s->mb_x;
y_offset += 8*(s->mb_y >> MB_FIELD);

@@ -389,7 +390,7 @@ static inline void mc_part_std(H264Context *h, int n, int square, int chroma_hei
Picture *ref= &h->ref_list[0][ h->ref_cache[0][ scan8[n] ] ];
mc_dir_part(h, ref, n, square, chroma_height, delta, 0,
dest_y, dest_cb, dest_cr, x_offset, y_offset,
qpix_op, chroma_op);
qpix_op, chroma_op, pixel_shift);

qpix_op= qpix_avg;
chroma_op= chroma_avg;
@@ -399,7 +400,7 @@ static inline void mc_part_std(H264Context *h, int n, int square, int chroma_hei
Picture *ref= &h->ref_list[1][ h->ref_cache[1][ scan8[n] ] ];
mc_dir_part(h, ref, n, square, chroma_height, delta, 1,
dest_y, dest_cb, dest_cr, x_offset, y_offset,
qpix_op, chroma_op);
qpix_op, chroma_op, pixel_shift);
}
}

@@ -409,12 +410,12 @@ static inline void mc_part_weighted(H264Context *h, int n, int square, int chrom
qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
h264_weight_func luma_weight_op, h264_weight_func chroma_weight_op,
h264_biweight_func luma_weight_avg, h264_biweight_func chroma_weight_avg,
int list0, int list1){
int list0, int list1, int pixel_shift){
MpegEncContext * const s = &h->s;

dest_y += 2*x_offset + 2*y_offset*h-> mb_linesize;
dest_cb += x_offset + y_offset*h->mb_uvlinesize;
dest_cr += x_offset + y_offset*h->mb_uvlinesize;
dest_y += (2*x_offset << pixel_shift) + 2*y_offset*h-> mb_linesize;
dest_cb += ( x_offset << pixel_shift) + y_offset*h->mb_uvlinesize;
dest_cr += ( x_offset << pixel_shift) + y_offset*h->mb_uvlinesize;
x_offset += 8*s->mb_x;
y_offset += 8*(s->mb_y >> MB_FIELD);

@@ -422,17 +423,17 @@ static inline void mc_part_weighted(H264Context *h, int n, int square, int chrom
/* don't optimize for luma-only case, since B-frames usually
* use implicit weights => chroma too. */
uint8_t *tmp_cb = s->obmc_scratchpad;
uint8_t *tmp_cr = s->obmc_scratchpad + 8;
uint8_t *tmp_cr = s->obmc_scratchpad + (8 << pixel_shift);
uint8_t *tmp_y = s->obmc_scratchpad + 8*h->mb_uvlinesize;
int refn0 = h->ref_cache[0][ scan8[n] ];
int refn1 = h->ref_cache[1][ scan8[n] ];

mc_dir_part(h, &h->ref_list[0][refn0], n, square, chroma_height, delta, 0,
dest_y, dest_cb, dest_cr,
x_offset, y_offset, qpix_put, chroma_put);
x_offset, y_offset, qpix_put, chroma_put, pixel_shift);
mc_dir_part(h, &h->ref_list[1][refn1], n, square, chroma_height, delta, 1,
tmp_y, tmp_cb, tmp_cr,
x_offset, y_offset, qpix_put, chroma_put);
x_offset, y_offset, qpix_put, chroma_put, pixel_shift);

if(h->use_weight == 2){
int weight0 = h->implicit_weight[refn0][refn1][s->mb_y&1];
@@ -457,7 +458,7 @@ static inline void mc_part_weighted(H264Context *h, int n, int square, int chrom
Picture *ref= &h->ref_list[list][refn];
mc_dir_part(h, ref, n, square, chroma_height, delta, list,
dest_y, dest_cb, dest_cr, x_offset, y_offset,
qpix_put, chroma_put);
qpix_put, chroma_put, pixel_shift);

luma_weight_op(dest_y, h->mb_linesize, h->luma_log2_weight_denom,
h->luma_weight[refn][list][0], h->luma_weight[refn][list][1]);
@@ -476,19 +477,21 @@ static inline void mc_part(H264Context *h, int n, int square, int chroma_height,
qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg,
h264_weight_func *weight_op, h264_biweight_func *weight_avg,
int list0, int list1){
int list0, int list1, int pixel_shift){
if((h->use_weight==2 && list0 && list1
&& (h->implicit_weight[ h->ref_cache[0][scan8[n]] ][ h->ref_cache[1][scan8[n]] ][h->s.mb_y&1] != 32))
|| h->use_weight==1)
mc_part_weighted(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr,
x_offset, y_offset, qpix_put, chroma_put,
weight_op[0], weight_op[3], weight_avg[0], weight_avg[3], list0, list1);
weight_op[0], weight_op[3], weight_avg[0],
weight_avg[3], list0, list1, pixel_shift);
else
mc_part_std(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr,
x_offset, y_offset, qpix_put, chroma_put, qpix_avg, chroma_avg, list0, list1);
x_offset, y_offset, qpix_put, chroma_put, qpix_avg,
chroma_avg, list0, list1, pixel_shift);
}

static inline void prefetch_motion(H264Context *h, int list){
static inline void prefetch_motion(H264Context *h, int list, int pixel_shift){
/* fetch pixels for estimated mv 4 macroblocks ahead
* optimized for 64byte cache lines */
MpegEncContext * const s = &h->s;
@@ -497,48 +500,54 @@ static inline void prefetch_motion(H264Context *h, int list){
const int mx= (h->mv_cache[list][scan8[0]][0]>>2) + 16*s->mb_x + 8;
const int my= (h->mv_cache[list][scan8[0]][1]>>2) + 16*s->mb_y;
uint8_t **src= h->ref_list[list][refn].data;
int off= mx + (my + (s->mb_x&3)*4)*h->mb_linesize + 64;
int off= (mx << pixel_shift) + (my + (s->mb_x&3)*4)*h->mb_linesize + (64 << pixel_shift);
s->dsp.prefetch(src[0]+off, s->linesize, 4);
off= (mx>>1) + ((my>>1) + (s->mb_x&7))*s->uvlinesize + 64;
off= ((mx>>1) << pixel_shift) + ((my>>1) + (s->mb_x&7))*s->uvlinesize + (64 << pixel_shift);
s->dsp.prefetch(src[1]+off, src[2]-src[1], 2);
}
}

static void hl_motion(H264Context *h, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
static av_always_inline void 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){
h264_weight_func *weight_op, h264_biweight_func *weight_avg,
int pixel_shift){
MpegEncContext * const s = &h->s;
const int mb_xy= h->mb_xy;
const int mb_type= s->current_picture.mb_type[mb_xy];

assert(IS_INTER(mb_type));

prefetch_motion(h, 0);
prefetch_motion(h, 0, pixel_shift);

if(IS_16X16(mb_type)){
mc_part(h, 0, 1, 8, 0, dest_y, dest_cb, dest_cr, 0, 0,
qpix_put[0], chroma_put[0], qpix_avg[0], chroma_avg[0],
weight_op, weight_avg,
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1),
pixel_shift);
}else if(IS_16X8(mb_type)){
mc_part(h, 0, 0, 4, 8, dest_y, dest_cb, dest_cr, 0, 0,
mc_part(h, 0, 0, 4, 8 << pixel_shift, dest_y, dest_cb, dest_cr, 0, 0,
qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
&weight_op[1], &weight_avg[1],
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
mc_part(h, 8, 0, 4, 8, dest_y, dest_cb, dest_cr, 0, 4,
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1),
pixel_shift);
mc_part(h, 8, 0, 4, 8 << pixel_shift, dest_y, dest_cb, dest_cr, 0, 4,
qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
&weight_op[1], &weight_avg[1],
IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1),
pixel_shift);
}else if(IS_8X16(mb_type)){
mc_part(h, 0, 0, 8, 8*h->mb_linesize, dest_y, dest_cb, dest_cr, 0, 0,
qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
&weight_op[2], &weight_avg[2],
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1),
pixel_shift);
mc_part(h, 4, 0, 8, 8*h->mb_linesize, dest_y, dest_cb, dest_cr, 4, 0,
qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
&weight_op[2], &weight_avg[2],
IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1),
pixel_shift);
}else{
int i;

@@ -554,25 +563,30 @@ static void hl_motion(H264Context *h, uint8_t *dest_y, uint8_t *dest_cb, uint8_t
mc_part(h, n, 1, 4, 0, dest_y, dest_cb, dest_cr, x_offset, y_offset,
qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
&weight_op[3], &weight_avg[3],
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),
pixel_shift);
}else if(IS_SUB_8X4(sub_mb_type)){
mc_part(h, n , 0, 2, 4, dest_y, dest_cb, dest_cr, x_offset, y_offset,
mc_part(h, n , 0, 2, 4 << pixel_shift, dest_y, dest_cb, dest_cr, x_offset, y_offset,
qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
&weight_op[4], &weight_avg[4],
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
mc_part(h, n+2, 0, 2, 4, dest_y, dest_cb, dest_cr, x_offset, y_offset+2,
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),
pixel_shift);
mc_part(h, n+2, 0, 2, 4 << pixel_shift, dest_y, dest_cb, dest_cr, x_offset, y_offset+2,
qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
&weight_op[4], &weight_avg[4],
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),
pixel_shift);
}else if(IS_SUB_4X8(sub_mb_type)){
mc_part(h, n , 0, 4, 4*h->mb_linesize, dest_y, dest_cb, dest_cr, x_offset, y_offset,
qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
&weight_op[5], &weight_avg[5],
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),
pixel_shift);
mc_part(h, n+1, 0, 4, 4*h->mb_linesize, dest_y, dest_cb, dest_cr, x_offset+2, y_offset,
qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
&weight_op[5], &weight_avg[5],
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),
pixel_shift);
}else{
int j;
assert(IS_SUB_4X4(sub_mb_type));
@@ -582,15 +596,32 @@ static void hl_motion(H264Context *h, uint8_t *dest_y, uint8_t *dest_cb, uint8_t
mc_part(h, n+j, 1, 2, 0, dest_y, dest_cb, dest_cr, sub_x_offset, sub_y_offset,
qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
&weight_op[6], &weight_avg[6],
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1),
pixel_shift);
}
}
}
}

prefetch_motion(h, 1);
prefetch_motion(h, 1, pixel_shift);
}

#define hl_motion_fn(sh, bits) \
static av_always_inline void hl_motion_ ## bits(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) \
{ \
hl_motion(h, dest_y, dest_cb, dest_cr, qpix_put, chroma_put, \
qpix_avg, chroma_avg, weight_op, weight_avg, sh); \
}
hl_motion_fn(0, 8);
hl_motion_fn(1, 16);

static void free_tables(H264Context *h, int free_rbsp){
int i;
@@ -758,8 +789,8 @@ static void clone_tables(H264Context *dst, H264Context *src, int i){
* Allocate buffers which are not shared amongst multiple threads.
*/
static int context_init(H264Context *h){
FF_ALLOCZ_OR_GOTO(h->s.avctx, h->top_borders[0], h->s.mb_width * (16+8+8) * sizeof(uint8_t), fail)
FF_ALLOCZ_OR_GOTO(h->s.avctx, h->top_borders[1], h->s.mb_width * (16+8+8) * sizeof(uint8_t), fail)
FF_ALLOCZ_OR_GOTO(h->s.avctx, h->top_borders[0], h->s.mb_width * (16+8+8) * sizeof(uint8_t)*2, fail)
FF_ALLOCZ_OR_GOTO(h->s.avctx, h->top_borders[1], h->s.mb_width * (16+8+8) * sizeof(uint8_t)*2, fail)

h->ref_cache[0][scan8[5 ]+1] = h->ref_cache[0][scan8[7 ]+1] = h->ref_cache[0][scan8[13]+1] =
h->ref_cache[1][scan8[5 ]+1] = h->ref_cache[1][scan8[7 ]+1] = h->ref_cache[1][scan8[13]+1] = PART_NOT_AVAILABLE;
@@ -861,6 +892,8 @@ av_cold int ff_h264_decode_init(AVCodecContext *avctx){

ff_h264_decode_init_vlc();

h->pixel_shift = 0;

h->thread_context[0] = h;
h->outputed_poc = INT_MIN;
h->prev_poc_msb= 1<<16;
@@ -888,6 +921,7 @@ av_cold int ff_h264_decode_init(AVCodecContext *avctx){
int ff_h264_frame_start(H264Context *h){
MpegEncContext * const s = &h->s;
int i;
const int pixel_shift = h->pixel_shift;

if(MPV_frame_start(s, s->avctx) < 0)
return -1;
@@ -904,14 +938,14 @@ int ff_h264_frame_start(H264Context *h){
assert(s->linesize && s->uvlinesize);

for(i=0; i<16; i++){
h->block_offset[i]= 4*((scan8[i] - scan8[0])&7) + 4*s->linesize*((scan8[i] - scan8[0])>>3);
h->block_offset[24+i]= 4*((scan8[i] - scan8[0])&7) + 8*s->linesize*((scan8[i] - scan8[0])>>3);
h->block_offset[i]= (4*((scan8[i] - scan8[0])&7) << pixel_shift) + 4*s->linesize*((scan8[i] - scan8[0])>>3);
h->block_offset[24+i]= (4*((scan8[i] - scan8[0])&7) << pixel_shift) + 8*s->linesize*((scan8[i] - scan8[0])>>3);
}
for(i=0; i<4; i++){
h->block_offset[16+i]=
h->block_offset[20+i]= 4*((scan8[i] - scan8[0])&7) + 4*s->uvlinesize*((scan8[i] - scan8[0])>>3);
h->block_offset[20+i]= (4*((scan8[i] - scan8[0])&7) << pixel_shift) + 4*s->uvlinesize*((scan8[i] - scan8[0])>>3);
h->block_offset[24+16+i]=
h->block_offset[24+20+i]= 4*((scan8[i] - scan8[0])&7) + 8*s->uvlinesize*((scan8[i] - scan8[0])>>3);
h->block_offset[24+20+i]= (4*((scan8[i] - scan8[0])&7) << pixel_shift) + 8*s->uvlinesize*((scan8[i] - scan8[0])>>3);
}

/* can't be in alloc_tables because linesize isn't known there.
@@ -945,6 +979,7 @@ static inline void backup_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src
MpegEncContext * const s = &h->s;
uint8_t *top_border;
int top_idx = 1;
const int pixel_shift = h->pixel_shift;

src_y -= linesize;
src_cb -= uvlinesize;
@@ -955,9 +990,16 @@ static inline void backup_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src
if(!MB_MBAFF){
top_border = h->top_borders[0][s->mb_x];
AV_COPY128(top_border, src_y + 15*linesize);
if (pixel_shift)
AV_COPY128(top_border+16, src_y+15*linesize+16);
if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
if (pixel_shift) {
AV_COPY128(top_border+32, src_cb+7*uvlinesize);
AV_COPY128(top_border+48, src_cr+7*uvlinesize);
} else {
AV_COPY64(top_border+16, src_cb+7*uvlinesize);
AV_COPY64(top_border+24, src_cr+7*uvlinesize);
}
}
}
}else if(MB_MBAFF){
@@ -970,14 +1012,24 @@ static inline void backup_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src
// There are two lines saved, the line above the the top macroblock of a pair,
// and the line above the bottom macroblock
AV_COPY128(top_border, src_y + 16*linesize);
if (pixel_shift)
AV_COPY128(top_border+16, src_y+16*linesize+16);

if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
if (pixel_shift) {
AV_COPY128(top_border+32, src_cb+8*uvlinesize);
AV_COPY128(top_border+48, src_cr+8*uvlinesize);
} else {
AV_COPY64(top_border+16, src_cb+8*uvlinesize);
AV_COPY64(top_border+24, src_cr+8*uvlinesize);
}
}
}

static inline void xchg_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int xchg, int simple){
static inline void xchg_mb_border(H264Context *h, uint8_t *src_y,
uint8_t *src_cb, uint8_t *src_cr,
int linesize, int uvlinesize,
int xchg, int simple, int pixel_shift){
MpegEncContext * const s = &h->s;
int deblock_left;
int deblock_top;
@@ -1002,41 +1054,62 @@ static inline void xchg_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_c
deblock_top = (s->mb_y > !!MB_FIELD);
}

src_y -= linesize + 1;
src_cb -= uvlinesize + 1;
src_cr -= uvlinesize + 1;
src_y -= linesize + 1 + pixel_shift;
src_cb -= uvlinesize + 1 + pixel_shift;
src_cr -= uvlinesize + 1 + pixel_shift;

top_border_m1 = h->top_borders[top_idx][s->mb_x-1];
top_border = h->top_borders[top_idx][s->mb_x];

#define XCHG(a,b,xchg)\
if (pixel_shift) {\
if (xchg) {\
AV_SWAP64(b+0,a+0);\
AV_SWAP64(b+8,a+8);\
} else {\
AV_COPY128(b,a); \
}\
} else \
if (xchg) AV_SWAP64(b,a);\
else AV_COPY64(b,a);

if(deblock_top){
if(deblock_left){
XCHG(top_border_m1+8, src_y -7, 1);
XCHG(top_border_m1 + (8 << pixel_shift), src_y - (7 << pixel_shift), 1);
}
XCHG(top_border+0, src_y +1, xchg);
XCHG(top_border+8, src_y +9, 1);
XCHG(top_border + (0 << pixel_shift), src_y + (1 << pixel_shift), xchg);
XCHG(top_border + (8 << pixel_shift), src_y + (9 << pixel_shift), 1);
if(s->mb_x+1 < s->mb_width){
XCHG(h->top_borders[top_idx][s->mb_x+1], src_y +17, 1);
XCHG(h->top_borders[top_idx][s->mb_x+1], src_y + (17 << pixel_shift), 1);
}
}

if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
if(deblock_top){
if(deblock_left){
XCHG(top_border_m1+16, src_cb -7, 1);
XCHG(top_border_m1+24, src_cr -7, 1);
XCHG(top_border_m1 + (16 << pixel_shift), src_cb - (7 << pixel_shift), 1);
XCHG(top_border_m1 + (24 << pixel_shift), src_cr - (7 << pixel_shift), 1);
}
XCHG(top_border+16, src_cb+1, 1);
XCHG(top_border+24, src_cr+1, 1);
XCHG(top_border + (16 << pixel_shift), src_cb+1+pixel_shift, 1);
XCHG(top_border + (24 << pixel_shift), src_cr+1+pixel_shift, 1);
}
}
}

static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
static av_always_inline int dctcoef_get(DCTELEM *mb, int high_bit_depth, int index) {
if (high_bit_depth) {
return AV_RN32A(((int32_t*)mb) + index);
} else
return AV_RN16A(mb + index);
}

static av_always_inline void dctcoef_set(DCTELEM *mb, int high_bit_depth, int index, int value) {
if (high_bit_depth) {
AV_WN32A(((int32_t*)mb) + index, value);
} else
AV_WN16A(mb + index, value);
}

static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple, int pixel_shift){
MpegEncContext * const s = &h->s;
const int mb_x= s->mb_x;
const int mb_y= s->mb_y;
@@ -1052,12 +1125,12 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
void (*idct_add)(uint8_t *dst, DCTELEM *block, int stride);
void (*idct_dc_add)(uint8_t *dst, DCTELEM *block, int stride);

dest_y = s->current_picture.data[0] + (mb_x + mb_y * s->linesize ) * 16;
dest_cb = s->current_picture.data[1] + (mb_x + mb_y * s->uvlinesize) * 8;
dest_cr = s->current_picture.data[2] + (mb_x + mb_y * s->uvlinesize) * 8;
dest_y = s->current_picture.data[0] + ((mb_x << pixel_shift) + mb_y * s->linesize ) * 16;
dest_cb = s->current_picture.data[1] + ((mb_x << pixel_shift) + mb_y * s->uvlinesize) * 8;
dest_cr = s->current_picture.data[2] + ((mb_x << pixel_shift) + mb_y * s->uvlinesize) * 8;

s->dsp.prefetch(dest_y + (s->mb_x&3)*4*s->linesize + 64, s->linesize, 4);
s->dsp.prefetch(dest_cb + (s->mb_x&7)*s->uvlinesize + 64, dest_cr - dest_cb, 2);
s->dsp.prefetch(dest_y + (s->mb_x&3)*4*s->linesize + (64 << pixel_shift), s->linesize, 4);
s->dsp.prefetch(dest_cb + (s->mb_x&7)*s->uvlinesize + (64 << pixel_shift), dest_cr - dest_cb, 2);

h->list_counts[mb_xy]= h->list_count;

@@ -1094,6 +1167,28 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
}

if (!simple && IS_INTRA_PCM(mb_type)) {
if (pixel_shift) {
const int bit_depth = h->sps.bit_depth_luma;
int j;
GetBitContext gb;
init_get_bits(&gb, (uint8_t*)h->mb, 384*bit_depth);

for (i = 0; i < 16; i++) {
uint16_t *tmp_y = (uint16_t*)(dest_y + i*linesize);
for (j = 0; j < 16; j++)
tmp_y[j] = get_bits(&gb, bit_depth);
}
for (i = 0; i < 8; i++) {
uint16_t *tmp_cb = (uint16_t*)(dest_cb + i*uvlinesize);
for (j = 0; j < 8; j++)
tmp_cb[j] = get_bits(&gb, bit_depth);
}
for (i = 0; i < 8; i++) {
uint16_t *tmp_cr = (uint16_t*)(dest_cr + i*uvlinesize);
for (j = 0; j < 8; j++)
tmp_cr[j] = get_bits(&gb, bit_depth);
}
} else {
for (i=0; i<16; i++) {
memcpy(dest_y + i* linesize, h->mb + i*8, 16);
}
@@ -1101,10 +1196,11 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
memcpy(dest_cb+ i*uvlinesize, h->mb + 128 + i*4, 8);
memcpy(dest_cr+ i*uvlinesize, h->mb + 160 + i*4, 8);
}
}
} else {
if(IS_INTRA(mb_type)){
if(h->deblocking_filter)
xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 1, simple);
xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 1, simple, pixel_shift);

if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
h->hpc.pred8x8[ h->chroma_pred_mode ](dest_cb, uvlinesize);
@@ -1125,16 +1221,16 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
uint8_t * const ptr= dest_y + block_offset[i];
const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ];
if(transform_bypass && h->sps.profile_idc==244 && dir<=1){
h->hpc.pred8x8l_add[dir](ptr, h->mb + i*16, linesize);
h->hpc.pred8x8l_add[dir](ptr, h->mb + (i*16 << pixel_shift), linesize);
}else{
const int nnz = h->non_zero_count_cache[ scan8[i] ];
h->hpc.pred8x8l[ dir ](ptr, (h->topleft_samples_available<<i)&0x8000,
(h->topright_samples_available<<i)&0x4000, linesize);
if(nnz){
if(nnz == 1 && h->mb[i*16])
idct_dc_add(ptr, h->mb + i*16, linesize);
if(nnz == 1 && dctcoef_get(h->mb, pixel_shift, i*16))
idct_dc_add(ptr, h->mb + (i*16 << pixel_shift), linesize);
else
idct_add (ptr, h->mb + i*16, linesize);
idct_add (ptr, h->mb + (i*16 << pixel_shift), linesize);
}
}
}
@@ -1151,18 +1247,24 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ];

if(transform_bypass && h->sps.profile_idc==244 && dir<=1){
h->hpc.pred4x4_add[dir](ptr, h->mb + i*16, linesize);
h->hpc.pred4x4_add[dir](ptr, h->mb + (i*16 << pixel_shift), linesize);
}else{
uint8_t *topright;
int nnz, tr;
uint64_t tr_high;
if(dir == DIAG_DOWN_LEFT_PRED || dir == VERT_LEFT_PRED){
const int topright_avail= (h->topright_samples_available<<i)&0x8000;
assert(mb_y || linesize <= block_offset[i]);
if(!topright_avail){
if (pixel_shift) {
tr_high= ((uint16_t*)ptr)[3 - linesize/2]*0x0001000100010001ULL;
topright= (uint8_t*) &tr_high;
} else {
tr= ptr[3 - linesize]*0x01010101;
topright= (uint8_t*) &tr;
}
}else
topright= ptr + 4 - linesize;
topright= ptr + (4 << pixel_shift) - linesize;
}else
topright= NULL;

@@ -1170,10 +1272,10 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
nnz = h->non_zero_count_cache[ scan8[i] ];
if(nnz){
if(is_h264){
if(nnz == 1 && h->mb[i*16])
idct_dc_add(ptr, h->mb + i*16, linesize);
if(nnz == 1 && dctcoef_get(h->mb, pixel_shift, i*16))
idct_dc_add(ptr, h->mb + (i*16 << pixel_shift), linesize);
else
idct_add (ptr, h->mb + i*16, linesize);
idct_add (ptr, h->mb + (i*16 << pixel_shift), linesize);
}else
ff_svq3_add_idct_c(ptr, h->mb + i*16, linesize, s->qscale, 0);
}
@@ -1191,19 +1293,27 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
static const uint8_t dc_mapping[16] = { 0*16, 1*16, 4*16, 5*16, 2*16, 3*16, 6*16, 7*16,
8*16, 9*16,12*16,13*16,10*16,11*16,14*16,15*16};
for(i = 0; i < 16; i++)
h->mb[dc_mapping[i]] = h->mb_luma_dc[i];
dctcoef_set(h->mb, pixel_shift, dc_mapping[i], dctcoef_get(h->mb_luma_dc, pixel_shift, i));
}
}
}else
ff_svq3_luma_dc_dequant_idct_c(h->mb, h->mb_luma_dc, s->qscale);
}
if(h->deblocking_filter)
xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 0, simple);
xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 0, simple, pixel_shift);
}else if(is_h264){
hl_motion(h, dest_y, dest_cb, dest_cr,
s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,
s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,
h->h264dsp.weight_h264_pixels_tab, h->h264dsp.biweight_h264_pixels_tab);
if (pixel_shift) {
hl_motion_16(h, dest_y, dest_cb, dest_cr,
s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,
s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,
h->h264dsp.weight_h264_pixels_tab,
h->h264dsp.biweight_h264_pixels_tab);
} else
hl_motion_8(h, dest_y, dest_cb, dest_cr,
s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,
s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,
h->h264dsp.weight_h264_pixels_tab,
h->h264dsp.biweight_h264_pixels_tab);
}


@@ -1215,8 +1325,8 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
h->hpc.pred16x16_add[h->intra16x16_pred_mode](dest_y, block_offset, h->mb, linesize);
}else{
for(i=0; i<16; i++){
if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16])
s->dsp.add_pixels4(dest_y + block_offset[i], h->mb + i*16, linesize);
if(h->non_zero_count_cache[ scan8[i] ] || dctcoef_get(h->mb, pixel_shift, i*16))
s->dsp.add_pixels4(dest_y + block_offset[i], h->mb + (i*16 << pixel_shift), linesize);
}
}
}else{
@@ -1228,7 +1338,7 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
idct_add= IS_8x8DCT(mb_type) ? s->dsp.add_pixels8 : s->dsp.add_pixels4;
for(i=0; i<16; i+=di){
if(h->non_zero_count_cache[ scan8[i] ]){
idct_add(dest_y + block_offset[i], h->mb + i*16, linesize);
idct_add(dest_y + block_offset[i], h->mb + (i*16 << pixel_shift), linesize);
}
}
}else{
@@ -1253,21 +1363,21 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
uint8_t *dest[2] = {dest_cb, dest_cr};
if(transform_bypass){
if(IS_INTRA(mb_type) && h->sps.profile_idc==244 && (h->chroma_pred_mode==VERT_PRED8x8 || h->chroma_pred_mode==HOR_PRED8x8)){
h->hpc.pred8x8_add[h->chroma_pred_mode](dest[0], block_offset + 16, h->mb + 16*16, uvlinesize);
h->hpc.pred8x8_add[h->chroma_pred_mode](dest[1], block_offset + 20, h->mb + 20*16, uvlinesize);
h->hpc.pred8x8_add[h->chroma_pred_mode](dest[0], block_offset + 16, h->mb + (16*16 << pixel_shift), uvlinesize);
h->hpc.pred8x8_add[h->chroma_pred_mode](dest[1], block_offset + 20, h->mb + (20*16 << pixel_shift), uvlinesize);
}else{
idct_add = s->dsp.add_pixels4;
for(i=16; i<16+8; i++){
if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16])
idct_add (dest[(i&4)>>2] + block_offset[i], h->mb + i*16, uvlinesize);
if(h->non_zero_count_cache[ scan8[i] ] || dctcoef_get(h->mb, pixel_shift, i*16))
idct_add (dest[(i&4)>>2] + block_offset[i], h->mb + (i*16 << pixel_shift), uvlinesize);
}
}
}else{
if(is_h264){
if(h->non_zero_count_cache[ scan8[CHROMA_DC_BLOCK_INDEX+0] ])
h->h264dsp.h264_chroma_dc_dequant_idct(h->mb + 16*16 , h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp[0]][0]);
h->h264dsp.h264_chroma_dc_dequant_idct(h->mb + (16*16 << pixel_shift) , h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp[0]][0]);
if(h->non_zero_count_cache[ scan8[CHROMA_DC_BLOCK_INDEX+1] ])
h->h264dsp.h264_chroma_dc_dequant_idct(h->mb + 16*16+4*16, h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp[1]][0]);
h->h264dsp.h264_chroma_dc_dequant_idct(h->mb + ((16*16+4*16) << pixel_shift), h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp[1]][0]);
h->h264dsp.h264_idct_add8(dest, block_offset,
h->mb, uvlinesize,
h->non_zero_count_cache);
@@ -1291,15 +1401,18 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
/**
* Process a macroblock; this case avoids checks for expensive uncommon cases.
*/
static void hl_decode_mb_simple(H264Context *h){
hl_decode_mb_internal(h, 1);
#define hl_decode_mb_simple(sh, bits) \
static void hl_decode_mb_simple_ ## bits(H264Context *h){ \
hl_decode_mb_internal(h, 1, sh); \
}
hl_decode_mb_simple(0, 8);
hl_decode_mb_simple(1, 16);

/**
* Process a macroblock; this handles edge cases, such as interlacing.
*/
static void av_noinline hl_decode_mb_complex(H264Context *h){
hl_decode_mb_internal(h, 0);
hl_decode_mb_internal(h, 0, h->pixel_shift);
}

void ff_h264_hl_decode_mb(H264Context *h){
@@ -1308,9 +1421,12 @@ void ff_h264_hl_decode_mb(H264Context *h){
const int mb_type= s->current_picture.mb_type[mb_xy];
int is_complex = CONFIG_SMALL || h->is_complex || IS_INTRA_PCM(mb_type) || s->qscale == 0;

if (is_complex)
if (is_complex) {
hl_decode_mb_complex(h);
else hl_decode_mb_simple(h);
} else if (h->pixel_shift) {
hl_decode_mb_simple_16(h);
} else
hl_decode_mb_simple_8(h);
}

static int pred_weight_table(H264Context *h){
@@ -2432,6 +2548,7 @@ static void loop_filter(H264Context *h){
int linesize, uvlinesize, mb_x, mb_y;
const int end_mb_y= s->mb_y + FRAME_MBAFF;
const int old_slice_type= h->slice_type;
const int pixel_shift = h->pixel_shift;

if(h->deblocking_filter) {
for(mb_x= 0; mb_x<s->mb_width; mb_x++){
@@ -2447,9 +2564,9 @@ static void loop_filter(H264Context *h){

s->mb_x= mb_x;
s->mb_y= mb_y;
dest_y = s->current_picture.data[0] + (mb_x + mb_y * s->linesize ) * 16;
dest_cb = s->current_picture.data[1] + (mb_x + mb_y * s->uvlinesize) * 8;
dest_cr = s->current_picture.data[2] + (mb_x + mb_y * s->uvlinesize) * 8;
dest_y = s->current_picture.data[0] + ((mb_x << pixel_shift) + mb_y * s->linesize ) * 16;
dest_cb = s->current_picture.data[1] + ((mb_x << pixel_shift) + mb_y * s->uvlinesize) * 8;
dest_cr = s->current_picture.data[2] + ((mb_x << pixel_shift) + mb_y * s->uvlinesize) * 8;
//FIXME simplify above

if (MB_FIELD) {


+ 5
- 4
libavcodec/h264.h View File

@@ -265,6 +265,7 @@ typedef struct MMCO{
typedef struct H264Context{
MpegEncContext s;
H264DSPContext h264dsp;
int pixel_shift; ///< 0 for 8-bit H264, 1 for high-bit-depth H264
int chroma_qp[2]; //QPc

int qp_thresh; ///< QP threshold to skip loopfilter
@@ -296,7 +297,7 @@ typedef struct H264Context{
unsigned int top_samples_available;
unsigned int topright_samples_available;
unsigned int left_samples_available;
uint8_t (*top_borders[2])[16+2*8];
uint8_t (*top_borders[2])[(16+2*8)*2];

/**
* non zero coeff count cache.
@@ -406,9 +407,9 @@ typedef struct H264Context{
GetBitContext *intra_gb_ptr;
GetBitContext *inter_gb_ptr;

DECLARE_ALIGNED(16, DCTELEM, mb)[16*24];
DECLARE_ALIGNED(16, DCTELEM, mb_luma_dc)[16];
DCTELEM mb_padding[256]; ///< as mb is addressed by scantable[i] and scantable is uint8_t we can either check that i is not too large or ensure that there is some unused stuff after mb
DECLARE_ALIGNED(16, DCTELEM, mb)[16*24*2]; ///< as a dct coeffecient is int32_t in high depth, we need to reserve twice the space.
DECLARE_ALIGNED(16, DCTELEM, mb_luma_dc)[16*2];
DCTELEM mb_padding[256*2]; ///< as mb is addressed by scantable[i] and scantable is uint8_t we can either check that i is not too large or ensure that there is some unused stuff after mb

/**
* Cabac


+ 58
- 47
libavcodec/h264_cabac.c View File

@@ -1100,47 +1100,54 @@ static av_always_inline void decode_cabac_residual_internal( H264Context *h, DCT
}
}

do {
uint8_t *ctx = coeff_abs_level1_ctx[node_ctx] + abs_level_m1_ctx_base;

int j= scantable[index[--coeff_count]];

if( get_cabac( CC, ctx ) == 0 ) {
node_ctx = coeff_abs_level_transition[0][node_ctx];
if( is_dc ) {
block[j] = get_cabac_bypass_sign( CC, -1);
}else{
block[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6;
}
} else {
int coeff_abs = 2;
ctx = coeff_abs_levelgt1_ctx[node_ctx] + abs_level_m1_ctx_base;
node_ctx = coeff_abs_level_transition[1][node_ctx];

while( coeff_abs < 15 && get_cabac( CC, ctx ) ) {
coeff_abs++;
}

if( coeff_abs >= 15 ) {
int j = 0;
while( get_cabac_bypass( CC ) ) {
j++;
}

coeff_abs=1;
while( j-- ) {
coeff_abs += coeff_abs + get_cabac_bypass( CC );
}
coeff_abs+= 14;
}
#define STORE_BLOCK(type) \
do { \
uint8_t *ctx = coeff_abs_level1_ctx[node_ctx] + abs_level_m1_ctx_base; \
\
int j= scantable[index[--coeff_count]]; \
\
if( get_cabac( CC, ctx ) == 0 ) { \
node_ctx = coeff_abs_level_transition[0][node_ctx]; \
if( is_dc ) { \
((type*)block)[j] = get_cabac_bypass_sign( CC, -1); \
}else{ \
((type*)block)[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6; \
} \
} else { \
int coeff_abs = 2; \
ctx = coeff_abs_levelgt1_ctx[node_ctx] + abs_level_m1_ctx_base; \
node_ctx = coeff_abs_level_transition[1][node_ctx]; \
\
while( coeff_abs < 15 && get_cabac( CC, ctx ) ) { \
coeff_abs++; \
} \
\
if( coeff_abs >= 15 ) { \
int j = 0; \
while( get_cabac_bypass( CC ) ) { \
j++; \
} \
\
coeff_abs=1; \
while( j-- ) { \
coeff_abs += coeff_abs + get_cabac_bypass( CC ); \
} \
coeff_abs+= 14; \
} \
\
if( is_dc ) { \
((type*)block)[j] = get_cabac_bypass_sign( CC, -coeff_abs ); \
}else{ \
((type*)block)[j] = ((int)(get_cabac_bypass_sign( CC, -coeff_abs ) * qmul[j] + 32)) >> 6; \
} \
} \
} while ( coeff_count );

if( is_dc ) {
block[j] = get_cabac_bypass_sign( CC, -coeff_abs );
}else{
block[j] = (get_cabac_bypass_sign( CC, -coeff_abs ) * qmul[j] + 32) >> 6;
}
}
} while( coeff_count );
if (h->pixel_shift) {
STORE_BLOCK(int32_t)
} else {
STORE_BLOCK(int16_t)
}
#ifdef CABAC_ON_STACK
h->cabac.range = cc.range ;
h->cabac.low = cc.low ;
@@ -1196,6 +1203,7 @@ int ff_h264_decode_mb_cabac(H264Context *h) {
int mb_xy;
int mb_type, partition_count, cbp = 0;
int dct8x8_allowed= h->pps.transform_8x8_mode;
const int pixel_shift = h->pixel_shift;

mb_xy = h->mb_xy = s->mb_x + s->mb_y*s->mb_stride;

@@ -1304,6 +1312,7 @@ decode_intra_mb:
h->slice_table[ mb_xy ]= h->slice_num;

if(IS_INTRA_PCM(mb_type)) {
const int mb_size = (384*h->sps.bit_depth_luma) >> 3;
const uint8_t *ptr;

// We assume these blocks are very rare so we do not optimize it.
@@ -1316,9 +1325,9 @@ decode_intra_mb:
}

// The pixels are stored in the same order as levels in h->mb array.
memcpy(h->mb, ptr, 256); ptr+=256;
memcpy(h->mb, ptr, 2*mb_size/3); ptr+=2*mb_size/3;
if(CHROMA){
memcpy(h->mb+128, ptr, 128); ptr+=128;
memcpy(h->mb+mb_size/3, ptr, mb_size/3); ptr+=mb_size/3;
}

ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr);
@@ -1652,13 +1661,15 @@ decode_intra_mb:
//av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 DC\n" );
AV_ZERO128(h->mb_luma_dc+0);
AV_ZERO128(h->mb_luma_dc+8);
AV_ZERO128(h->mb_luma_dc+16);
AV_ZERO128(h->mb_luma_dc+24);
decode_cabac_residual_dc( h, h->mb_luma_dc, 0, LUMA_DC_BLOCK_INDEX, scan, 16);

if( cbp&15 ) {
qmul = h->dequant4_coeff[0][s->qscale];
for( i = 0; i < 16; i++ ) {
//av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 AC:%d\n", i );
decode_cabac_residual_nondc(h, h->mb + 16*i, 1, i, scan + 1, qmul, 15);
decode_cabac_residual_nondc(h, h->mb + (16*i << pixel_shift), 1, i, scan + 1, qmul, 15);
}
} else {
fill_rectangle(&h->non_zero_count_cache[scan8[0]], 4, 4, 8, 0, 1);
@@ -1668,7 +1679,7 @@ decode_intra_mb:
for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
if( cbp & (1<<i8x8) ) {
if( IS_8x8DCT(mb_type) ) {
decode_cabac_residual_nondc(h, h->mb + 64*i8x8, 5, 4*i8x8,
decode_cabac_residual_nondc(h, h->mb + (64*i8x8 << pixel_shift), 5, 4*i8x8,
scan8x8, h->dequant8_coeff[IS_INTRA( mb_type ) ? 0:1][s->qscale], 64);
} else {
qmul = h->dequant4_coeff[IS_INTRA( mb_type ) ? 0:3][s->qscale];
@@ -1676,7 +1687,7 @@ decode_intra_mb:
const int index = 4*i8x8 + i4x4;
//av_log( s->avctx, AV_LOG_ERROR, "Luma4x4: %d\n", index );
//START_TIMER
decode_cabac_residual_nondc(h, h->mb + 16*index, 2, index, scan, qmul, 16);
decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), 2, index, scan, qmul, 16);
//STOP_TIMER("decode_residual")
}
}
@@ -1691,7 +1702,7 @@ decode_intra_mb:
int c;
for( c = 0; c < 2; c++ ) {
//av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-DC\n",c );
decode_cabac_residual_dc(h, h->mb + 256 + 16*4*c, 3, CHROMA_DC_BLOCK_INDEX+c, chroma_dc_scan, 4);
decode_cabac_residual_dc(h, h->mb + ((256 + 16*4*c) << pixel_shift), 3, CHROMA_DC_BLOCK_INDEX+c, chroma_dc_scan, 4);
}
}

@@ -1702,7 +1713,7 @@ decode_intra_mb:
for( i = 0; i < 4; i++ ) {
const int index = 16 + 4 * c + i;
//av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-AC %d\n",c, index - 16 );
decode_cabac_residual_nondc(h, h->mb + 16*index, 4, index, scan + 1, qmul, 15);
decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), 4, index, scan + 1, qmul, 15);
}
}
} else {


+ 47
- 37
libavcodec/h264_cavlc.c View File

@@ -488,37 +488,44 @@ static int decode_residual(H264Context *h, GetBitContext *gb, DCTELEM *block, in
zeros_left= get_vlc2(gb, (total_zeros_vlc-1)[ total_coeff ].table, TOTAL_ZEROS_VLC_BITS, 1);
}

scantable += zeros_left + total_coeff - 1;
if(n >= LUMA_DC_BLOCK_INDEX){
block[*scantable] = level[0];
for(i=1;i<total_coeff && zeros_left > 0;i++) {
if(zeros_left < 7)
run_before= get_vlc2(gb, (run_vlc-1)[zeros_left].table, RUN_VLC_BITS, 1);
else
run_before= get_vlc2(gb, run7_vlc.table, RUN7_VLC_BITS, 2);
zeros_left -= run_before;
scantable -= 1 + run_before;
block[*scantable]= level[i];
}
for(;i<total_coeff;i++) {
scantable--;
block[*scantable]= level[i];
}
}else{
block[*scantable] = (level[0] * qmul[*scantable] + 32)>>6;
for(i=1;i<total_coeff && zeros_left > 0;i++) {
if(zeros_left < 7)
run_before= get_vlc2(gb, (run_vlc-1)[zeros_left].table, RUN_VLC_BITS, 1);
else
run_before= get_vlc2(gb, run7_vlc.table, RUN7_VLC_BITS, 2);
zeros_left -= run_before;
scantable -= 1 + run_before;
block[*scantable]= (level[i] * qmul[*scantable] + 32)>>6;
}
for(;i<total_coeff;i++) {
scantable--;
block[*scantable]= (level[i] * qmul[*scantable] + 32)>>6;
}
#define STORE_BLOCK(type) \
scantable += zeros_left + total_coeff - 1; \
if(n >= LUMA_DC_BLOCK_INDEX){ \
((type*)block)[*scantable] = level[0]; \
for(i=1;i<total_coeff && zeros_left > 0;i++) { \
if(zeros_left < 7) \
run_before= get_vlc2(gb, (run_vlc-1)[zeros_left].table, RUN_VLC_BITS, 1); \
else \
run_before= get_vlc2(gb, run7_vlc.table, RUN7_VLC_BITS, 2); \
zeros_left -= run_before; \
scantable -= 1 + run_before; \
((type*)block)[*scantable]= level[i]; \
} \
for(;i<total_coeff;i++) { \
scantable--; \
((type*)block)[*scantable]= level[i]; \
} \
}else{ \
((type*)block)[*scantable] = ((int)(level[0] * qmul[*scantable] + 32))>>6; \
for(i=1;i<total_coeff && zeros_left > 0;i++) { \
if(zeros_left < 7) \
run_before= get_vlc2(gb, (run_vlc-1)[zeros_left].table, RUN_VLC_BITS, 1); \
else \
run_before= get_vlc2(gb, run7_vlc.table, RUN7_VLC_BITS, 2); \
zeros_left -= run_before; \
scantable -= 1 + run_before; \
((type*)block)[*scantable]= ((int)(level[i] * qmul[*scantable] + 32))>>6; \
} \
for(;i<total_coeff;i++) { \
scantable--; \
((type*)block)[*scantable]= ((int)(level[i] * qmul[*scantable] + 32))>>6; \
} \
}

if (h->pixel_shift) {
STORE_BLOCK(int32_t)
} else {
STORE_BLOCK(int16_t)
}

if(zeros_left<0){
@@ -535,6 +542,7 @@ int ff_h264_decode_mb_cavlc(H264Context *h){
int partition_count;
unsigned int mb_type, cbp;
int dct8x8_allowed= h->pps.transform_8x8_mode;
const int pixel_shift = h->pixel_shift;

mb_xy = h->mb_xy = s->mb_x + s->mb_y*s->mb_stride;

@@ -605,7 +613,7 @@ decode_intra_mb:
align_get_bits(&s->gb);

// The pixels are stored in the same order as levels in h->mb array.
for(x=0; x < (CHROMA ? 384 : 256); x++){
for(x=0; x < (CHROMA ? 384 : 256)*h->sps.bit_depth_luma/8; x++){
((uint8_t*)h->mb)[x]= get_bits(&s->gb, 8);
}

@@ -941,6 +949,8 @@ decode_intra_mb:
if(IS_INTRA16x16(mb_type)){
AV_ZERO128(h->mb_luma_dc+0);
AV_ZERO128(h->mb_luma_dc+8);
AV_ZERO128(h->mb_luma_dc+16);
AV_ZERO128(h->mb_luma_dc+24);
if( decode_residual(h, h->intra_gb_ptr, h->mb_luma_dc, LUMA_DC_BLOCK_INDEX, scan, h->dequant4_coeff[0][s->qscale], 16) < 0){
return -1; //FIXME continue if partitioned and other return -1 too
}
@@ -951,7 +961,7 @@ decode_intra_mb:
for(i8x8=0; i8x8<4; i8x8++){
for(i4x4=0; i4x4<4; i4x4++){
const int index= i4x4 + 4*i8x8;
if( decode_residual(h, h->intra_gb_ptr, h->mb + 16*index, index, scan + 1, h->dequant4_coeff[0][s->qscale], 15) < 0 ){
if( decode_residual(h, h->intra_gb_ptr, h->mb + (16*index << pixel_shift), index, scan + 1, h->dequant4_coeff[0][s->qscale], 15) < 0 ){
return -1;
}
}
@@ -963,7 +973,7 @@ decode_intra_mb:
for(i8x8=0; i8x8<4; i8x8++){
if(cbp & (1<<i8x8)){
if(IS_8x8DCT(mb_type)){
DCTELEM *buf = &h->mb[64*i8x8];
DCTELEM *buf = &h->mb[64*i8x8 << pixel_shift];
uint8_t *nnz;
for(i4x4=0; i4x4<4; i4x4++){
if( decode_residual(h, gb, buf, i4x4+4*i8x8, scan8x8+16*i4x4,
@@ -976,7 +986,7 @@ decode_intra_mb:
for(i4x4=0; i4x4<4; i4x4++){
const int index= i4x4 + 4*i8x8;

if( decode_residual(h, gb, h->mb + 16*index, index, scan, h->dequant4_coeff[IS_INTRA( mb_type ) ? 0:3][s->qscale], 16) <0 ){
if( decode_residual(h, gb, h->mb + (16*index << pixel_shift), index, scan, h->dequant4_coeff[IS_INTRA( mb_type ) ? 0:3][s->qscale], 16) <0 ){
return -1;
}
}
@@ -990,7 +1000,7 @@ decode_intra_mb:

if(cbp&0x30){
for(chroma_idx=0; chroma_idx<2; chroma_idx++)
if( decode_residual(h, gb, h->mb + 256 + 16*4*chroma_idx, CHROMA_DC_BLOCK_INDEX+chroma_idx, chroma_dc_scan, NULL, 4) < 0){
if( decode_residual(h, gb, h->mb + ((256 + 16*4*chroma_idx) << pixel_shift), CHROMA_DC_BLOCK_INDEX+chroma_idx, chroma_dc_scan, NULL, 4) < 0){
return -1;
}
}
@@ -1000,7 +1010,7 @@ decode_intra_mb:
const uint32_t *qmul = h->dequant4_coeff[chroma_idx+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[chroma_idx]];
for(i4x4=0; i4x4<4; i4x4++){
const int index= 16 + 4*chroma_idx + i4x4;
if( decode_residual(h, gb, h->mb + 16*index, index, scan + 1, qmul, 15) < 0){
if( decode_residual(h, gb, h->mb + (16*index << pixel_shift), index, scan + 1, qmul, 15) < 0){
return -1;
}
}


+ 3
- 3
libavcodec/h264_loopfilter.c View File

@@ -544,10 +544,10 @@ static av_always_inline void filter_mb_dir(H264Context *h, int mb_x, int mb_y, u
tprintf(s->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, linesize, uvlinesize);
//{ int i; for (i = 0; i < 4; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
if( dir == 0 ) {
filter_mb_edgev( &img_y[4*edge], linesize, bS, qp, h );
filter_mb_edgev( &img_y[4*edge << h->pixel_shift], linesize, bS, qp, h );
if( (edge&1) == 0 ) {
filter_mb_edgecv( &img_cb[2*edge], uvlinesize, bS, h->chroma_qp[0], h);
filter_mb_edgecv( &img_cr[2*edge], uvlinesize, bS, h->chroma_qp[1], h);
filter_mb_edgecv( &img_cb[2*edge << h->pixel_shift], uvlinesize, bS, h->chroma_qp[0], h);
filter_mb_edgecv( &img_cr[2*edge << h->pixel_shift], uvlinesize, bS, h->chroma_qp[1], h);
}
} else {
filter_mb_edgeh( &img_y[4*edge*linesize], linesize, bS, qp, h );


+ 2
- 1
libavcodec/utils.c View File

@@ -273,6 +273,7 @@ int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic){
int unaligned;
AVPicture picture;
int stride_align[4];
const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1;

avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);

@@ -322,7 +323,7 @@ int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic){
if((s->flags&CODEC_FLAG_EMU_EDGE) || !size[2])
buf->data[i] = buf->base[i];
else
buf->data[i] = buf->base[i] + FFALIGN((buf->linesize[i]*EDGE_WIDTH>>v_shift) + (EDGE_WIDTH>>h_shift), stride_align[i]);
buf->data[i] = buf->base[i] + FFALIGN((buf->linesize[i]*EDGE_WIDTH>>v_shift) + (pixel_size*EDGE_WIDTH>>h_shift), stride_align[i]);
}
if(size[1] && !size[2])
ff_set_systematic_pal2((uint32_t*)buf->data[1], s->pix_fmt);


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