44 if( (abs(mvP->
x - mvQ->
x) >= 4) || (abs(mvP->
y - mvQ->
y) >= 4) )
49 if( (abs(mvP->
x - mvQ->
x) >= 4) || (abs(mvP->
y - mvQ->
y) >= 4) )
59 alpha = alpha_tab[av_clip(qp_avg + h->alpha_offset,0,63)]; \
60 beta = beta_tab[av_clip(qp_avg + h->beta_offset, 0,63)]; \
61 tc = tc_tab[av_clip(qp_avg + h->alpha_offset,0,63)];
77 int qp_avg, alpha, beta, tc;
148 uint8_t **left,
int block) {
172 memset(&top[9],top[8],9);
192 memset(&top[9],top[8],9);
218 *((uint64_t *)(d+y*stride)) = a;
226 a = left[y+1] * 0x0101010101010101ULL;
227 *((uint64_t *)(d+y*stride)) = a;
233 uint64_t
a = 0x8080808080808080ULL;
235 *((uint64_t *)(d+y*stride)) =
a;
245 ih += (x+1)*(top[5+x]-top[3-x]);
246 iv += (x+1)*(left[5+x]-left[3-x]);
248 ia = (top[8]+left[8])<<4;
253 d[y*stride+x] = cm[(ia+(x-3)*ih+(y-3)*iv+16)>>5];
256 #define LOWPASS(ARRAY,INDEX) \
257 (( ARRAY[(INDEX)-1] + 2*ARRAY[(INDEX)] + ARRAY[(INDEX)+1] + 2) >> 2)
278 d[y*stride+x] = (left[1]+2*top[0]+top[1]+2)>>2;
280 d[y*stride+x] =
LOWPASS(top,x-y);
282 d[y*stride+x] =
LOWPASS(left,y-x);
289 d[y*stride+x] =
LOWPASS(left,y+1);
296 d[y*stride+x] =
LOWPASS(top,x+1);
328 int chroma_height,
int delta,
int list,uint8_t *dest_y,
329 uint8_t *dest_cb,uint8_t *dest_cr,
int src_x_offset,
333 const int mx= mv->
x + src_x_offset*8;
334 const int my= mv->
y + src_y_offset*8;
335 const int luma_xy= (mx&3) + ((my&3)<<2);
336 uint8_t * src_y = pic->
f.
data[0] + (mx >> 2) + (my >> 2) * h->
l_stride;
337 uint8_t * src_cb = pic->
f.
data[1] + (mx >> 3) + (my >> 3) * h->
c_stride;
338 uint8_t * src_cr = pic->
f.
data[2] + (mx >> 3) + (my >> 3) * h->
c_stride;
340 int extra_height= extra_width;
342 const int full_mx= mx>>2;
343 const int full_my= my>>2;
344 const int pic_width = 16*h->
mb_width;
349 if(mx&7) extra_width -= 3;
350 if(my&7) extra_height -= 3;
352 if( full_mx < 0-extra_width
353 || full_my < 0-extra_height
354 || full_mx + 16 > pic_width + extra_width
355 || full_my + 16 > pic_height + extra_height){
357 16+5, 16+5, full_mx-2, full_my-2, pic_width, pic_height);
362 qpix_op[luma_xy](dest_y, src_y, h->
l_stride);
369 9, 9, (mx>>3), (my>>3), pic_width>>1, pic_height>>1);
372 chroma_op(dest_cb, src_cb, h->
c_stride, chroma_height, mx&7, my&7);
376 9, 9, (mx>>3), (my>>3), pic_width>>1, pic_height>>1);
379 chroma_op(dest_cr, src_cr, h->
c_stride, chroma_height, mx&7, my&7);
383 uint8_t *dest_y,uint8_t *dest_cb,uint8_t *dest_cr,
390 dest_y += 2*x_offset + 2*y_offset*h->
l_stride;
391 dest_cb += x_offset + y_offset*h->
c_stride;
392 dest_cr += x_offset + y_offset*h->
c_stride;
393 x_offset += 8*h->
mbx;
394 y_offset += 8*h->
mby;
398 mc_dir_part(h, ref, square, chroma_height, delta, 0,
399 dest_y, dest_cb, dest_cr, x_offset, y_offset,
400 qpix_op, chroma_op, mv);
403 chroma_op= chroma_avg;
408 mc_dir_part(h, ref, square, chroma_height, delta, 1,
409 dest_y, dest_cb, dest_cr, x_offset, y_offset,
454 *d_x = (src->
x*distp*den + 256 + (src->
x>>31)) >> 9;
455 *d_y = (src->
y*distp*den + 256 + (src->
y>>31)) >> 9;
460 int ax, ay, bx, by, cx, cy;
461 int len_ab, len_bc, len_ca, len_mid;
468 len_ab = abs(ax - bx) + abs(ay - by);
469 len_bc = abs(bx - cx) + abs(by - cy);
470 len_ca = abs(cx - ax) + abs(cy - ay);
471 len_mid =
mid_pred(len_ab, len_bc, len_ca);
472 if(len_mid == len_ab) {
475 }
else if(len_mid == len_bc) {
498 ((mvA->
x | mvA->
y | mvA->
ref) == 0) ||
499 ((mvB->
x | mvB->
y | mvB->
ref) == 0) )) {
502 }
else if((mvA->
ref >= 0) && (mvB->
ref < 0) && (mvC->
ref < 0)) {
504 }
else if((mvA->
ref < 0) && (mvB->
ref >= 0) && (mvC->
ref < 0)) {
506 }
else if((mvA->
ref < 0) && (mvB->
ref < 0) && (mvC->
ref >= 0)) {
586 h->
mv[i] = h->
mv[i+2];
void(* intra_pred_c[7])(uint8_t *d, uint8_t *top, uint8_t *left, int stride)
void ff_cavs_modify_mb_i(AVSContext *h, int *pred_mode_uv)
void * av_mallocz(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
void(* emulated_edge_mc)(uint8_t *buf, const uint8_t *src, int linesize, int block_w, int block_h, int src_x, int src_y, int w, int h)
Motion estimation with emulated edge values.
enum PixelFormat pix_fmt
Pixel format, see PIX_FMT_xxx.
static int get_se_golomb(GetBitContext *gb)
read signed exp golomb code.
void(* cavs_filter_cv)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2)
static int get_bs(cavs_vector *mvP, cavs_vector *mvQ, int b)
const int8_t ff_top_modifier_c[7]
av_cold int ff_cavs_end(AVCodecContext *avctx)
int mbidx
macroblock coordinates
void(* cavs_filter_lv)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2)
static void intra_pred_lp_top(uint8_t *d, uint8_t *top, uint8_t *left, int stride)
const cavs_vector ff_cavs_un_mv
mark block as unavailable, i.e.
void ff_cavs_init_mb(AVSContext *h)
initialise predictors for motion vectors and intra prediction
void(* cavs_filter_lh)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2)
static void modify_pred(const int8_t *mod_table, int *mode)
uint8_t intern_border_y[26]
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
void(* qpel_mc_func)(uint8_t *dst, uint8_t *src, int stride)
h264_chroma_mc_func avg_h264_chroma_pixels_tab[3]
uint8_t * top_border_y
intra prediction is done with un-deblocked samples they are saved here before deblocking the MB ...
av_cold void ff_cavsdsp_init(CAVSDSPContext *c, AVCodecContext *avctx)
cavs_vector mv[2 *4 *3]
mv motion vector cache 0: D3 B2 B3 C2 4: A1 X0 X1 - 8: A3 X2 X3 -
static void intra_pred_plane(uint8_t *d, uint8_t *top, uint8_t *left, int stride)
bitstream reader API header.
void ff_cavs_filter(AVSContext *h, enum cavs_mb mb_type)
in-loop deblocking filter for a single macroblock
int dist[2]
temporal distances from current frame to ref frames
static void scale_mv(AVSContext *h, int *d_x, int *d_y, cavs_vector *src, int distp)
static void mv_pred_median(AVSContext *h, cavs_vector *mvP, cavs_vector *mvA, cavs_vector *mvB, cavs_vector *mvC)
void av_free(void *ptr)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc(). ...
int scale_den[2]
for scaling neighbouring MVs
int ff_cavs_next_mb(AVSContext *h)
save predictors for later macroblocks and increase macroblock address
const int8_t ff_left_modifier_c[7]
void ff_cavs_inter(AVSContext *h, enum cavs_mb mb_type)
static void intra_pred_dc_128(uint8_t *d, uint8_t *top, uint8_t *left, int stride)
static void mc_part_std(AVSContext *h, int square, int chroma_height, int delta, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, 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, cavs_vector *mv)
uint8_t left_border_y[26]
static void mc_dir_part(AVSContext *h, Picture *pic, 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, cavs_vector *mv)
uint8_t * edge_emu_buffer
temporary buffer for if MVs point to out-of-frame data
void ff_cavs_load_intra_pred_luma(AVSContext *h, uint8_t *top, uint8_t **left, int block)
void(* h264_chroma_mc_func)(uint8_t *dst, uint8_t *src, int srcStride, int h, int x, int y)
static void intra_pred_lp_left(uint8_t *d, uint8_t *top, uint8_t *left, int stride)
h264_chroma_mc_func put_h264_chroma_pixels_tab[3]
h264 Chroma MC
uint8_t * cv
current MB sample pointers
void ff_cavs_load_intra_pred_chroma(AVSContext *h)
static void intra_pred_horiz(uint8_t *d, uint8_t *top, uint8_t *left, int stride)
void ff_cavs_init_pic(AVSContext *h)
qpel_mc_func put_cavs_qpel_pixels_tab[2][16]
av_cold int ff_cavs_init(AVCodecContext *avctx)
const int8_t ff_top_modifier_l[8]
void MPV_decode_defaults(MpegEncContext *s)
Set the given MpegEncContext to defaults for decoding.
uint8_t left_border_u[10]
const uint8_t ff_cavs_partition_flags[30]
void ff_cavs_init_top_lines(AVSContext *h)
some predictions require data from the top-neighbouring macroblock.
void(* intra_pred_l[8])(uint8_t *d, uint8_t *top, uint8_t *left, int stride)
Picture picture
currently decoded frame
const cavs_vector ff_cavs_dir_mv
mark block as "no prediction from this direction" e.g.
uint8_t left_border_v[10]
void ff_cavs_mv(AVSContext *h, enum cavs_mv_loc nP, enum cavs_mv_loc nC, enum cavs_mv_pred mode, enum cavs_block size, int ref)
static const int8_t mv[256][2]
static void intra_pred_lp(uint8_t *d, uint8_t *top, uint8_t *left, int stride)
int linesize[AV_NUM_DATA_POINTERS]
Size, in bytes, of the data for each picture/channel plane.
main external API structure.
int pred_mode_Y[3 *3]
luma pred mode cache 0: – B2 B3 3: A1 X0 X1 6: A3 X2 X3
static void intra_pred_down_left(uint8_t *d, uint8_t *top, uint8_t *left, int stride)
void * av_malloc(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
const int8_t ff_left_modifier_l[8]
DSPContext dsp
pointers for accelerated dsp functions
qpel_mc_func avg_cavs_qpel_pixels_tab[2][16]
#define LOWPASS(ARRAY, INDEX)
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
struct AVCodecContext * avctx
int flags
availability flags of neighbouring macroblocks
static void intra_pred_vert(uint8_t *d, uint8_t *top, uint8_t *left, int stride)
static void intra_pred_down_right(uint8_t *d, uint8_t *top, uint8_t *left, int stride)
static void set_mvs(cavs_vector *mv, enum cavs_block size)
void(* cavs_filter_ch)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2)
Picture DPB[2]
reference frames