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-rw-r--r--libavcodec/Makefile2
-rw-r--r--libavcodec/h264.c218
-rw-r--r--libavcodec/h264.h199
-rw-r--r--libavcodec/h264data.h20
-rw-r--r--libavcodec/svq3.c35
5 files changed, 250 insertions, 224 deletions
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index bfff7311fe..9c2dfc7ae4 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -131,7 +131,7 @@ OBJS-$(CONFIG_H263_VAAPI_HWACCEL) += vaapi_mpeg4.o
OBJS-$(CONFIG_H263_ENCODER) += mpegvideo_enc.o mpeg4video.o mpeg4videoenc.o motion_est.o \
ratecontrol.o h263.o ituh263enc.o flvenc.o mpeg12data.o \
mpegvideo.o error_resilience.o
-OBJS-$(CONFIG_H264_DECODER) += h264.o h264idct.o h264pred.o cabac.o \
+OBJS-$(CONFIG_H264_DECODER) += h264.o svq3.o h264idct.o h264pred.o cabac.o \
mpegvideo.o error_resilience.o
OBJS-$(CONFIG_H264_ENCODER) += h264enc.o h264dspenc.o
OBJS-$(CONFIG_H264_VAAPI_HWACCEL) += vaapi_h264.o
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 165eb66fe3..47346337b0 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -81,14 +81,6 @@ static void filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8
static void filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize);
static Picture * remove_long(H264Context *h, int i, int ref_mask);
-static av_always_inline uint32_t pack16to32(int a, int b){
-#if HAVE_BIGENDIAN
- return (b&0xFFFF) + (a<<16);
-#else
- return (a&0xFFFF) + (b<<16);
-#endif
-}
-
static const uint8_t rem6[52]={
0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3,
};
@@ -546,7 +538,7 @@ static void fill_caches(H264Context *h, int mb_type, int for_deblock){
h->neighbor_transform_size= !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[0]);
}
-static inline void write_back_intra_pred_mode(H264Context *h){
+void ff_h264_write_back_intra_pred_mode(H264Context *h){
const int mb_xy= h->mb_xy;
h->intra4x4_pred_mode[mb_xy][0]= h->intra4x4_pred_mode_cache[7+8*1];
@@ -561,46 +553,7 @@ static inline void write_back_intra_pred_mode(H264Context *h){
/**
* checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
*/
-static inline int check_intra4x4_pred_mode(H264Context *h){
- MpegEncContext * const s = &h->s;
- static const int8_t top [12]= {-1, 0,LEFT_DC_PRED,-1,-1,-1,-1,-1, 0};
- static const int8_t left[12]= { 0,-1, TOP_DC_PRED, 0,-1,-1,-1, 0,-1,DC_128_PRED};
- int i;
-
- if(!(h->top_samples_available&0x8000)){
- for(i=0; i<4; i++){
- int status= top[ h->intra4x4_pred_mode_cache[scan8[0] + i] ];
- if(status<0){
- av_log(h->s.avctx, AV_LOG_ERROR, "top block unavailable for requested intra4x4 mode %d at %d %d\n", status, s->mb_x, s->mb_y);
- return -1;
- } else if(status){
- h->intra4x4_pred_mode_cache[scan8[0] + i]= status;
- }
- }
- }
-
- if((h->left_samples_available&0x8888)!=0x8888){
- static const int mask[4]={0x8000,0x2000,0x80,0x20};
- for(i=0; i<4; i++){
- if(!(h->left_samples_available&mask[i])){
- int status= left[ h->intra4x4_pred_mode_cache[scan8[0] + 8*i] ];
- if(status<0){
- av_log(h->s.avctx, AV_LOG_ERROR, "left block unavailable for requested intra4x4 mode %d at %d %d\n", status, s->mb_x, s->mb_y);
- return -1;
- } else if(status){
- h->intra4x4_pred_mode_cache[scan8[0] + 8*i]= status;
- }
- }
- }
- }
-
- return 0;
-} //FIXME cleanup like next
-
-/**
- * checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
- */
-static inline int check_intra_pred_mode(H264Context *h, int mode){
+int ff_h264_check_intra_pred_mode(H264Context *h, int mode){
MpegEncContext * const s = &h->s;
static const int8_t top [7]= {LEFT_DC_PRED8x8, 1,-1,-1};
static const int8_t left[7]= { TOP_DC_PRED8x8,-1, 2,-1,DC_128_PRED8x8};
@@ -684,119 +637,6 @@ static inline int pred_non_zero_count(H264Context *h, int n){
return i&31;
}
-static inline int fetch_diagonal_mv(H264Context *h, const int16_t **C, int i, int list, int part_width){
- const int topright_ref= h->ref_cache[list][ i - 8 + part_width ];
- MpegEncContext *s = &h->s;
-
- /* there is no consistent mapping of mvs to neighboring locations that will
- * make mbaff happy, so we can't move all this logic to fill_caches */
- if(FRAME_MBAFF){
- const uint32_t *mb_types = s->current_picture_ptr->mb_type;
- const int16_t *mv;
- *(uint32_t*)h->mv_cache[list][scan8[0]-2] = 0;
- *C = h->mv_cache[list][scan8[0]-2];
-
- if(!MB_FIELD
- && (s->mb_y&1) && i < scan8[0]+8 && topright_ref != PART_NOT_AVAILABLE){
- int topright_xy = s->mb_x + (s->mb_y-1)*s->mb_stride + (i == scan8[0]+3);
- if(IS_INTERLACED(mb_types[topright_xy])){
-#define SET_DIAG_MV(MV_OP, REF_OP, X4, Y4)\
- const int x4 = X4, y4 = Y4;\
- const int mb_type = mb_types[(x4>>2)+(y4>>2)*s->mb_stride];\
- if(!USES_LIST(mb_type,list))\
- return LIST_NOT_USED;\
- mv = s->current_picture_ptr->motion_val[list][x4 + y4*h->b_stride];\
- h->mv_cache[list][scan8[0]-2][0] = mv[0];\
- h->mv_cache[list][scan8[0]-2][1] = mv[1] MV_OP;\
- return s->current_picture_ptr->ref_index[list][(x4>>1) + (y4>>1)*h->b8_stride] REF_OP;
-
- SET_DIAG_MV(*2, >>1, s->mb_x*4+(i&7)-4+part_width, s->mb_y*4-1);
- }
- }
- if(topright_ref == PART_NOT_AVAILABLE
- && ((s->mb_y&1) || i >= scan8[0]+8) && (i&7)==4
- && h->ref_cache[list][scan8[0]-1] != PART_NOT_AVAILABLE){
- if(!MB_FIELD
- && IS_INTERLACED(mb_types[h->left_mb_xy[0]])){
- SET_DIAG_MV(*2, >>1, s->mb_x*4-1, (s->mb_y|1)*4+(s->mb_y&1)*2+(i>>4)-1);
- }
- if(MB_FIELD
- && !IS_INTERLACED(mb_types[h->left_mb_xy[0]])
- && i >= scan8[0]+8){
- // left shift will turn LIST_NOT_USED into PART_NOT_AVAILABLE, but that's OK.
- SET_DIAG_MV(/2, <<1, s->mb_x*4-1, (s->mb_y&~1)*4 - 1 + ((i-scan8[0])>>3)*2);
- }
- }
-#undef SET_DIAG_MV
- }
-
- if(topright_ref != PART_NOT_AVAILABLE){
- *C= h->mv_cache[list][ i - 8 + part_width ];
- return topright_ref;
- }else{
- tprintf(s->avctx, "topright MV not available\n");
-
- *C= h->mv_cache[list][ i - 8 - 1 ];
- return h->ref_cache[list][ i - 8 - 1 ];
- }
-}
-
-/**
- * gets the predicted MV.
- * @param n the block index
- * @param part_width the width of the partition (4, 8,16) -> (1, 2, 4)
- * @param mx the x component of the predicted motion vector
- * @param my the y component of the predicted motion vector
- */
-static inline void pred_motion(H264Context * const h, int n, int part_width, int list, int ref, int * const mx, int * const my){
- const int index8= scan8[n];
- const int top_ref= h->ref_cache[list][ index8 - 8 ];
- const int left_ref= h->ref_cache[list][ index8 - 1 ];
- const int16_t * const A= h->mv_cache[list][ index8 - 1 ];
- const int16_t * const B= h->mv_cache[list][ index8 - 8 ];
- const int16_t * C;
- int diagonal_ref, match_count;
-
- assert(part_width==1 || part_width==2 || part_width==4);
-
-/* mv_cache
- B . . A T T T T
- U . . L . . , .
- U . . L . . . .
- U . . L . . , .
- . . . L . . . .
-*/
-
- diagonal_ref= fetch_diagonal_mv(h, &C, index8, list, part_width);
- match_count= (diagonal_ref==ref) + (top_ref==ref) + (left_ref==ref);
- tprintf(h->s.avctx, "pred_motion match_count=%d\n", match_count);
- if(match_count > 1){ //most common
- *mx= mid_pred(A[0], B[0], C[0]);
- *my= mid_pred(A[1], B[1], C[1]);
- }else if(match_count==1){
- if(left_ref==ref){
- *mx= A[0];
- *my= A[1];
- }else if(top_ref==ref){
- *mx= B[0];
- *my= B[1];
- }else{
- *mx= C[0];
- *my= C[1];
- }
- }else{
- if(top_ref == PART_NOT_AVAILABLE && diagonal_ref == PART_NOT_AVAILABLE && left_ref != PART_NOT_AVAILABLE){
- *mx= A[0];
- *my= A[1];
- }else{
- *mx= mid_pred(A[0], B[0], C[0]);
- *my= mid_pred(A[1], B[1], C[1]);
- }
- }
-
- tprintf(h->s.avctx, "pred_motion (%2d %2d %2d) (%2d %2d %2d) (%2d %2d %2d) -> (%2d %2d %2d) at %2d %2d %d list %d\n", top_ref, B[0], B[1], diagonal_ref, C[0], C[1], left_ref, A[0], A[1], ref, *mx, *my, h->s.mb_x, h->s.mb_y, n, list);
-}
-
/**
* gets the directionally predicted 16x8 MV.
* @param n the block index
@@ -2070,11 +1910,7 @@ static void init_dequant_tables(H264Context *h){
}
-/**
- * allocates tables.
- * needs width/height
- */
-static int alloc_tables(H264Context *h){
+int ff_h264_alloc_tables(H264Context *h){
MpegEncContext * const s = &h->s;
const int big_mb_num= s->mb_stride * (s->mb_height+1);
int x,y;
@@ -2180,7 +2016,7 @@ static void reset_sei(H264Context *h) {
h->sei_buffering_period_present = 0;
}
-static av_cold int decode_init(AVCodecContext *avctx){
+av_cold int ff_h264_decode_init(AVCodecContext *avctx){
H264Context *h= avctx->priv_data;
MpegEncContext * const s = &h->s;
@@ -2223,7 +2059,7 @@ static av_cold int decode_init(AVCodecContext *avctx){
return 0;
}
-static int frame_start(H264Context *h){
+int ff_h264_frame_start(H264Context *h){
MpegEncContext * const s = &h->s;
int i;
@@ -2686,7 +2522,7 @@ static void av_noinline hl_decode_mb_complex(H264Context *h){
hl_decode_mb_internal(h, 0);
}
-static void hl_decode_mb(H264Context *h){
+void ff_h264_hl_decode_mb(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];
@@ -3838,7 +3674,7 @@ static int decode_slice_header(H264Context *h, H264Context *h0){
h->prev_interlaced_frame = 1;
init_scan_tables(h);
- alloc_tables(h);
+ ff_h264_alloc_tables(h);
for(i = 1; i < s->avctx->thread_count; i++) {
H264Context *c;
@@ -3877,7 +3713,7 @@ static int decode_slice_header(H264Context *h, H264Context *h0){
while(h->frame_num != h->prev_frame_num &&
h->frame_num != (h->prev_frame_num+1)%(1<<h->sps.log2_max_frame_num)){
av_log(NULL, AV_LOG_DEBUG, "Frame num gap %d %d\n", h->frame_num, h->prev_frame_num);
- if (frame_start(h) < 0)
+ if (ff_h264_frame_start(h) < 0)
return -1;
h->prev_frame_num++;
h->prev_frame_num %= 1<<h->sps.log2_max_frame_num;
@@ -3925,7 +3761,7 @@ static int decode_slice_header(H264Context *h, H264Context *h0){
s0->first_field = FIELD_PICTURE;
}
- if((!FIELD_PICTURE || s0->first_field) && frame_start(h) < 0) {
+ if((!FIELD_PICTURE || s0->first_field) && ff_h264_frame_start(h) < 0) {
s0->first_field = 0;
return -1;
}
@@ -4561,16 +4397,16 @@ decode_intra_mb:
else
h->intra4x4_pred_mode_cache[ scan8[i] ] = mode;
}
- write_back_intra_pred_mode(h);
+ ff_h264_write_back_intra_pred_mode(h);
if( check_intra4x4_pred_mode(h) < 0)
return -1;
}else{
- h->intra16x16_pred_mode= check_intra_pred_mode(h, h->intra16x16_pred_mode);
+ h->intra16x16_pred_mode= ff_h264_check_intra_pred_mode(h, h->intra16x16_pred_mode);
if(h->intra16x16_pred_mode < 0)
return -1;
}
if(CHROMA){
- pred_mode= check_intra_pred_mode(h, get_ue_golomb_31(&s->gb));
+ pred_mode= ff_h264_check_intra_pred_mode(h, get_ue_golomb_31(&s->gb));
if(pred_mode < 0)
return -1;
h->chroma_pred_mode= pred_mode;
@@ -5662,17 +5498,17 @@ decode_intra_mb:
//av_log( s->avctx, AV_LOG_ERROR, "i4x4 pred=%d mode=%d\n", pred, h->intra4x4_pred_mode_cache[ scan8[i] ] );
}
}
- write_back_intra_pred_mode(h);
+ ff_h264_write_back_intra_pred_mode(h);
if( check_intra4x4_pred_mode(h) < 0 ) return -1;
} else {
- h->intra16x16_pred_mode= check_intra_pred_mode( h, h->intra16x16_pred_mode );
+ h->intra16x16_pred_mode= ff_h264_check_intra_pred_mode( h, h->intra16x16_pred_mode );
if( h->intra16x16_pred_mode < 0 ) return -1;
}
if(CHROMA){
h->chroma_pred_mode_table[mb_xy] =
pred_mode = decode_cabac_mb_chroma_pre_mode( h );
- pred_mode= check_intra_pred_mode( h, pred_mode );
+ pred_mode= ff_h264_check_intra_pred_mode( h, pred_mode );
if( pred_mode < 0 ) return -1;
h->chroma_pred_mode= pred_mode;
}
@@ -6734,14 +6570,14 @@ static int decode_slice(struct AVCodecContext *avctx, void *arg){
int eos;
//STOP_TIMER("decode_mb_cabac")
- if(ret>=0) hl_decode_mb(h);
+ if(ret>=0) ff_h264_hl_decode_mb(h);
if( ret >= 0 && FRAME_MBAFF ) { //FIXME optimal? or let mb_decode decode 16x32 ?
s->mb_y++;
ret = decode_mb_cabac(h);
- if(ret>=0) hl_decode_mb(h);
+ if(ret>=0) ff_h264_hl_decode_mb(h);
s->mb_y--;
}
eos = get_cabac_terminate( &h->cabac );
@@ -6772,13 +6608,13 @@ static int decode_slice(struct AVCodecContext *avctx, void *arg){
for(;;){
int ret = decode_mb_cavlc(h);
- if(ret>=0) hl_decode_mb(h);
+ if(ret>=0) ff_h264_hl_decode_mb(h);
if(ret>=0 && FRAME_MBAFF){ //FIXME optimal? or let mb_decode decode 16x32 ?
s->mb_y++;
ret = decode_mb_cavlc(h);
- if(ret>=0) hl_decode_mb(h);
+ if(ret>=0) ff_h264_hl_decode_mb(h);
s->mb_y--;
}
@@ -6831,7 +6667,7 @@ static int decode_slice(struct AVCodecContext *avctx, void *arg){
for(;s->mb_x < s->mb_width; s->mb_x++){
int ret= decode_mb(h);
- hl_decode_mb(h);
+ ff_h264_hl_decode_mb(h);
if(ret<0){
av_log(s->avctx, AV_LOG_ERROR, "error while decoding MB %d %d\n", s->mb_x, s->mb_y);
@@ -8176,7 +8012,7 @@ av_cold void ff_h264_free_context(H264Context *h)
av_freep(h->pps_buffers + i);
}
-static av_cold int decode_end(AVCodecContext *avctx)
+av_cold int ff_h264_decode_end(AVCodecContext *avctx)
{
H264Context *h = avctx->priv_data;
MpegEncContext *s = &h->s;
@@ -8196,9 +8032,9 @@ AVCodec h264_decoder = {
CODEC_TYPE_VIDEO,
CODEC_ID_H264,
sizeof(H264Context),
- decode_init,
+ ff_h264_decode_init,
NULL,
- decode_end,
+ ff_h264_decode_end,
decode_frame,
/*CODEC_CAP_DRAW_HORIZ_BAND |*/ CODEC_CAP_DR1 | CODEC_CAP_DELAY,
.flush= flush_dpb,
@@ -8212,9 +8048,9 @@ AVCodec h264_vdpau_decoder = {
CODEC_TYPE_VIDEO,
CODEC_ID_H264,
sizeof(H264Context),
- decode_init,
+ ff_h264_decode_init,
NULL,
- decode_end,
+ ff_h264_decode_end,
decode_frame,
CODEC_CAP_DR1 | CODEC_CAP_DELAY | CODEC_CAP_HWACCEL_VDPAU,
.flush= flush_dpb,
@@ -8222,7 +8058,3 @@ AVCodec h264_vdpau_decoder = {
.pix_fmts = (const enum PixelFormat[]){PIX_FMT_VDPAU_H264, PIX_FMT_NONE},
};
#endif
-
-#if CONFIG_SVQ3_DECODER
-#include "svq3.c"
-#endif
diff --git a/libavcodec/h264.h b/libavcodec/h264.h
index d0bc691e04..f66b816697 100644
--- a/libavcodec/h264.h
+++ b/libavcodec/h264.h
@@ -593,4 +593,203 @@ av_cold void ff_h264_free_context(H264Context *h);
*/
int ff_h264_get_slice_type(H264Context *h);
+/**
+ * allocates tables.
+ * needs width/height
+ */
+int ff_h264_alloc_tables(H264Context *h);
+
+/**
+ * checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
+ */
+int ff_h264_check_intra_pred_mode(H264Context *h, int mode);
+
+void ff_h264_write_back_intra_pred_mode(H264Context *h);
+void ff_h264_hl_decode_mb(H264Context *h);
+int ff_h264_frame_start(H264Context *h);
+av_cold int ff_h264_decode_init(AVCodecContext *avctx);
+av_cold int ff_h264_decode_end(AVCodecContext *avctx);
+
+/*
+o-o o-o
+ / / /
+o-o o-o
+ ,---'
+o-o o-o
+ / / /
+o-o o-o
+*/
+//This table must be here because scan8[constant] must be known at compiletime
+static const uint8_t scan8[16 + 2*4]={
+ 4+1*8, 5+1*8, 4+2*8, 5+2*8,
+ 6+1*8, 7+1*8, 6+2*8, 7+2*8,
+ 4+3*8, 5+3*8, 4+4*8, 5+4*8,
+ 6+3*8, 7+3*8, 6+4*8, 7+4*8,
+ 1+1*8, 2+1*8,
+ 1+2*8, 2+2*8,
+ 1+4*8, 2+4*8,
+ 1+5*8, 2+5*8,
+};
+
+static av_always_inline uint32_t pack16to32(int a, int b){
+#if HAVE_BIGENDIAN
+ return (b&0xFFFF) + (a<<16);
+#else
+ return (a&0xFFFF) + (b<<16);
+#endif
+}
+
+/**
+ * checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
+ */
+static inline int check_intra4x4_pred_mode(H264Context *h){
+ MpegEncContext * const s = &h->s;
+ static const int8_t top [12]= {-1, 0,LEFT_DC_PRED,-1,-1,-1,-1,-1, 0};
+ static const int8_t left[12]= { 0,-1, TOP_DC_PRED, 0,-1,-1,-1, 0,-1,DC_128_PRED};
+ int i;
+
+ if(!(h->top_samples_available&0x8000)){
+ for(i=0; i<4; i++){
+ int status= top[ h->intra4x4_pred_mode_cache[scan8[0] + i] ];
+ if(status<0){
+ av_log(h->s.avctx, AV_LOG_ERROR, "top block unavailable for requested intra4x4 mode %d at %d %d\n", status, s->mb_x, s->mb_y);
+ return -1;
+ } else if(status){
+ h->intra4x4_pred_mode_cache[scan8[0] + i]= status;
+ }
+ }
+ }
+
+ if((h->left_samples_available&0x8888)!=0x8888){
+ static const int mask[4]={0x8000,0x2000,0x80,0x20};
+ for(i=0; i<4; i++){
+ if(!(h->left_samples_available&mask[i])){
+ int status= left[ h->intra4x4_pred_mode_cache[scan8[0] + 8*i] ];
+ if(status<0){
+ av_log(h->s.avctx, AV_LOG_ERROR, "left block unavailable for requested intra4x4 mode %d at %d %d\n", status, s->mb_x, s->mb_y);
+ return -1;
+ } else if(status){
+ h->intra4x4_pred_mode_cache[scan8[0] + 8*i]= status;
+ }
+ }
+ }
+ }
+
+ return 0;
+} //FIXME cleanup like ff_h264_check_intra_pred_mode
+
+static inline int fetch_diagonal_mv(H264Context *h, const int16_t **C, int i, int list, int part_width){
+ const int topright_ref= h->ref_cache[list][ i - 8 + part_width ];
+ MpegEncContext *s = &h->s;
+
+ /* there is no consistent mapping of mvs to neighboring locations that will
+ * make mbaff happy, so we can't move all this logic to fill_caches */
+ if(FRAME_MBAFF){
+ const uint32_t *mb_types = s->current_picture_ptr->mb_type;
+ const int16_t *mv;
+ *(uint32_t*)h->mv_cache[list][scan8[0]-2] = 0;
+ *C = h->mv_cache[list][scan8[0]-2];
+
+ if(!MB_FIELD
+ && (s->mb_y&1) && i < scan8[0]+8 && topright_ref != PART_NOT_AVAILABLE){
+ int topright_xy = s->mb_x + (s->mb_y-1)*s->mb_stride + (i == scan8[0]+3);
+ if(IS_INTERLACED(mb_types[topright_xy])){
+#define SET_DIAG_MV(MV_OP, REF_OP, X4, Y4)\
+ const int x4 = X4, y4 = Y4;\
+ const int mb_type = mb_types[(x4>>2)+(y4>>2)*s->mb_stride];\
+ if(!USES_LIST(mb_type,list))\
+ return LIST_NOT_USED;\
+ mv = s->current_picture_ptr->motion_val[list][x4 + y4*h->b_stride];\
+ h->mv_cache[list][scan8[0]-2][0] = mv[0];\
+ h->mv_cache[list][scan8[0]-2][1] = mv[1] MV_OP;\
+ return s->current_picture_ptr->ref_index[list][(x4>>1) + (y4>>1)*h->b8_stride] REF_OP;
+
+ SET_DIAG_MV(*2, >>1, s->mb_x*4+(i&7)-4+part_width, s->mb_y*4-1);
+ }
+ }
+ if(topright_ref == PART_NOT_AVAILABLE
+ && ((s->mb_y&1) || i >= scan8[0]+8) && (i&7)==4
+ && h->ref_cache[list][scan8[0]-1] != PART_NOT_AVAILABLE){
+ if(!MB_FIELD
+ && IS_INTERLACED(mb_types[h->left_mb_xy[0]])){
+ SET_DIAG_MV(*2, >>1, s->mb_x*4-1, (s->mb_y|1)*4+(s->mb_y&1)*2+(i>>4)-1);
+ }
+ if(MB_FIELD
+ && !IS_INTERLACED(mb_types[h->left_mb_xy[0]])
+ && i >= scan8[0]+8){
+ // left shift will turn LIST_NOT_USED into PART_NOT_AVAILABLE, but that's OK.
+ SET_DIAG_MV(/2, <<1, s->mb_x*4-1, (s->mb_y&~1)*4 - 1 + ((i-scan8[0])>>3)*2);
+ }
+ }
+#undef SET_DIAG_MV
+ }
+
+ if(topright_ref != PART_NOT_AVAILABLE){
+ *C= h->mv_cache[list][ i - 8 + part_width ];
+ return topright_ref;
+ }else{
+ tprintf(s->avctx, "topright MV not available\n");
+
+ *C= h->mv_cache[list][ i - 8 - 1 ];
+ return h->ref_cache[list][ i - 8 - 1 ];
+ }
+}
+
+/**
+ * gets the predicted MV.
+ * @param n the block index
+ * @param part_width the width of the partition (4, 8,16) -> (1, 2, 4)
+ * @param mx the x component of the predicted motion vector
+ * @param my the y component of the predicted motion vector
+ */
+static inline void pred_motion(H264Context * const h, int n, int part_width, int list, int ref, int * const mx, int * const my){
+ const int index8= scan8[n];
+ const int top_ref= h->ref_cache[list][ index8 - 8 ];
+ const int left_ref= h->ref_cache[list][ index8 - 1 ];
+ const int16_t * const A= h->mv_cache[list][ index8 - 1 ];
+ const int16_t * const B= h->mv_cache[list][ index8 - 8 ];
+ const int16_t * C;
+ int diagonal_ref, match_count;
+
+ assert(part_width==1 || part_width==2 || part_width==4);
+
+/* mv_cache
+ B . . A T T T T
+ U . . L . . , .
+ U . . L . . . .
+ U . . L . . , .
+ . . . L . . . .
+*/
+
+ diagonal_ref= fetch_diagonal_mv(h, &C, index8, list, part_width);
+ match_count= (diagonal_ref==ref) + (top_ref==ref) + (left_ref==ref);
+ tprintf(h->s.avctx, "pred_motion match_count=%d\n", match_count);
+ if(match_count > 1){ //most common
+ *mx= mid_pred(A[0], B[0], C[0]);
+ *my= mid_pred(A[1], B[1], C[1]);
+ }else if(match_count==1){
+ if(left_ref==ref){
+ *mx= A[0];
+ *my= A[1];
+ }else if(top_ref==ref){
+ *mx= B[0];
+ *my= B[1];
+ }else{
+ *mx= C[0];
+ *my= C[1];
+ }
+ }else{
+ if(top_ref == PART_NOT_AVAILABLE && diagonal_ref == PART_NOT_AVAILABLE && left_ref != PART_NOT_AVAILABLE){
+ *mx= A[0];
+ *my= A[1];
+ }else{
+ *mx= mid_pred(A[0], B[0], C[0]);
+ *my= mid_pred(A[1], B[1], C[1]);
+ }
+ }
+
+ tprintf(h->s.avctx, "pred_motion (%2d %2d %2d) (%2d %2d %2d) (%2d %2d %2d) -> (%2d %2d %2d) at %2d %2d %d list %d\n", top_ref, B[0], B[1], diagonal_ref, C[0], C[1], left_ref, A[0], A[1], ref, *mx, *my, h->s.mb_x, h->s.mb_y, n, list);
+}
+
+
#endif /* AVCODEC_H264_H */
diff --git a/libavcodec/h264data.h b/libavcodec/h264data.h
index 7d60abbd74..8592a0fff4 100644
--- a/libavcodec/h264data.h
+++ b/libavcodec/h264data.h
@@ -232,26 +232,6 @@ static const uint8_t run_bits[7][16]={
{7,6,5,4,3,2,1,1,1,1,1,1,1,1,1},
};
-/*
-o-o o-o
- / / /
-o-o o-o
- ,---'
-o-o o-o
- / / /
-o-o o-o
-*/
-
-static const uint8_t scan8[16 + 2*4]={
- 4+1*8, 5+1*8, 4+2*8, 5+2*8,
- 6+1*8, 7+1*8, 6+2*8, 7+2*8,
- 4+3*8, 5+3*8, 4+4*8, 5+4*8,
- 6+3*8, 7+3*8, 6+4*8, 7+4*8,
- 1+1*8, 2+1*8,
- 1+2*8, 2+2*8,
- 1+4*8, 2+4*8,
- 1+5*8, 2+5*8,
-};
static const uint8_t zigzag_scan[16]={
0+0*4, 1+0*4, 0+1*4, 0+2*4,
diff --git a/libavcodec/svq3.c b/libavcodec/svq3.c
index 787cfe0cb1..6cc170355c 100644
--- a/libavcodec/svq3.c
+++ b/libavcodec/svq3.c
@@ -39,6 +39,21 @@
* correctly decodes this file:
* http://samples.mplayerhq.hu/V-codecs/SVQ3/Vertical400kbit.sorenson3.mov
*/
+#include "internal.h"
+#include "dsputil.h"
+#include "avcodec.h"
+#include "mpegvideo.h"
+#include "h264.h"
+
+#include "h264data.h" //FIXME FIXME FIXME
+
+#include "golomb.h"
+#include "rectangle.h"
+#include "vdpau_internal.h"
+
+#if ARCH_X86
+#include "x86/h264_i386.h"
+#endif
#if CONFIG_ZLIB
#include <zlib.h>
@@ -114,7 +129,7 @@ static const uint32_t svq3_dequant_coeff[32] = {
};
-static void svq3_luma_dc_dequant_idct_c(DCTELEM *block, int qp)
+void svq3_luma_dc_dequant_idct_c(DCTELEM *block, int qp)
{
const int qmul = svq3_dequant_coeff[qp];
#define stride 16
@@ -151,7 +166,7 @@ static void svq3_luma_dc_dequant_idct_c(DCTELEM *block, int qp)
}
#undef stride
-static void svq3_add_idct_c(uint8_t *dst, DCTELEM *block, int stride, int qp,
+void svq3_add_idct_c(uint8_t *dst, DCTELEM *block, int stride, int qp,
int dc)
{
const int qmul = svq3_dequant_coeff[qp];
@@ -571,7 +586,7 @@ static int svq3_decode_mb(H264Context *h, unsigned int mb_type)
}
}
- write_back_intra_pred_mode(h);
+ ff_h264_write_back_intra_pred_mode(h);
if (mb_type == 8) {
check_intra4x4_pred_mode(h);
@@ -592,7 +607,7 @@ static int svq3_decode_mb(H264Context *h, unsigned int mb_type)
dir = i_mb_type_info[mb_type - 8].pred_mode;
dir = (dir >> 1) ^ 3*(dir & 1) ^ 1;
- if ((h->intra16x16_pred_mode = check_intra_pred_mode(h, dir)) == -1){
+ if ((h->intra16x16_pred_mode = ff_h264_check_intra_pred_mode(h, dir)) == -1){
av_log(h->s.avctx, AV_LOG_ERROR, "check_intra_pred_mode = -1\n");
return -1;
}
@@ -685,7 +700,7 @@ static int svq3_decode_mb(H264Context *h, unsigned int mb_type)
s->current_picture.mb_type[mb_xy] = mb_type;
if (IS_INTRA(mb_type)) {
- h->chroma_pred_mode = check_intra_pred_mode(h, DC_PRED8x8);
+ h->chroma_pred_mode = ff_h264_check_intra_pred_mode(h, DC_PRED8x8);
}
return 0;
@@ -789,7 +804,7 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx)
return -1;
}
- if (decode_init(avctx) < 0)
+ if (ff_h264_decode_init(avctx) < 0)
return -1;
s->flags = avctx->flags;
@@ -811,7 +826,7 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx)
h->b_stride = 4*s->mb_width;
- alloc_tables(h);
+ ff_h264_alloc_tables(h);
/* prowl for the "SEQH" marker in the extradata */
extradata = (unsigned char *)avctx->extradata;
@@ -965,7 +980,7 @@ static int svq3_decode_frame(AVCodecContext *avctx,
s->next_p_frame_damaged = 0;
}
- if (frame_start(h) < 0)
+ if (ff_h264_frame_start(h) < 0)
return -1;
if (s->pict_type == FF_B_TYPE) {
@@ -1028,7 +1043,7 @@ static int svq3_decode_frame(AVCodecContext *avctx,
}
if (mb_type != 0) {
- hl_decode_mb (h);
+ ff_h264_hl_decode_mb (h);
}
if (s->pict_type != FF_B_TYPE && !s->low_delay) {
@@ -1064,7 +1079,7 @@ AVCodec svq3_decoder = {
sizeof(H264Context),
svq3_decode_init,
NULL,
- decode_end,
+ ff_h264_decode_end,
svq3_decode_frame,
CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_DELAY,
.long_name = NULL_IF_CONFIG_SMALL("Sorenson Vector Quantizer 3 / Sorenson Video 3 / SVQ3"),