2, 3, 2, 0,
};
+static const uint8_t chroma422_dc_coeff_token_len[4*9]={
+ 1, 0, 0, 0,
+ 7, 2, 0, 0,
+ 7, 7, 3, 0,
+ 9, 7, 7, 5,
+ 9, 9, 7, 6,
+ 10, 10, 9, 7,
+ 11, 11, 10, 7,
+ 12, 12, 11, 10,
+ 13, 12, 12, 11,
+};
+
+static const uint8_t chroma422_dc_coeff_token_bits[4*9]={
+ 1, 0, 0, 0,
+ 15, 1, 0, 0,
+ 14, 13, 1, 0,
+ 7, 12, 11, 1,
+ 6, 5, 10, 1,
+ 7, 6, 4, 9,
+ 7, 6, 5, 8,
+ 7, 6, 5, 4,
+ 7, 5, 4, 4,
+};
+
static const uint8_t coeff_token_len[4][4*17]={
{
1, 0, 0, 0,
{ 1, 0, 0, 0,},
};
+static const uint8_t chroma422_dc_total_zeros_len[7][8]= {
+ { 1, 3, 3, 4, 4, 4, 5, 5 },
+ { 3, 2, 3, 3, 3, 3, 3 },
+ { 3, 3, 2, 2, 3, 3 },
+ { 3, 2, 2, 2, 3 },
+ { 2, 2, 2, 2 },
+ { 2, 2, 1 },
+ { 1, 1 },
+};
+
+static const uint8_t chroma422_dc_total_zeros_bits[7][8]= {
+ { 1, 2, 3, 2, 3, 1, 1, 0 },
+ { 0, 1, 1, 4, 5, 6, 7 },
+ { 0, 1, 1, 2, 6, 7 },
+ { 6, 0, 1, 2, 7 },
+ { 0, 1, 2, 3 },
+ { 0, 1, 1 },
+ { 0, 1 },
+};
+
static const uint8_t run_len[7][16]={
{1,1},
{1,2,2},
static VLC_TYPE chroma_dc_coeff_token_vlc_table[256][2];
static const int chroma_dc_coeff_token_vlc_table_size = 256;
+static VLC chroma422_dc_coeff_token_vlc;
+static VLC_TYPE chroma422_dc_coeff_token_vlc_table[8192][2];
+static const int chroma422_dc_coeff_token_vlc_table_size = 8192;
+
static VLC total_zeros_vlc[15];
static VLC_TYPE total_zeros_vlc_tables[15][512][2];
static const int total_zeros_vlc_tables_size = 512;
static VLC_TYPE chroma_dc_total_zeros_vlc_tables[3][8][2];
static const int chroma_dc_total_zeros_vlc_tables_size = 8;
+static VLC chroma422_dc_total_zeros_vlc[7];
+static VLC_TYPE chroma422_dc_total_zeros_vlc_tables[7][32][2];
+static const int chroma422_dc_total_zeros_vlc_tables_size = 32;
+
static VLC run_vlc[6];
static VLC_TYPE run_vlc_tables[6][8][2];
static const int run_vlc_tables_size = 8;
#define LEVEL_TAB_BITS 8
static int8_t cavlc_level_tab[7][1<<LEVEL_TAB_BITS][2];
+#define CHROMA_DC_COEFF_TOKEN_VLC_BITS 8
+#define CHROMA422_DC_COEFF_TOKEN_VLC_BITS 13
+#define COEFF_TOKEN_VLC_BITS 8
+#define TOTAL_ZEROS_VLC_BITS 9
+#define CHROMA_DC_TOTAL_ZEROS_VLC_BITS 3
+#define CHROMA422_DC_TOTAL_ZEROS_VLC_BITS 5
+#define RUN_VLC_BITS 3
+#define RUN7_VLC_BITS 6
/**
- * gets the predicted number of non-zero coefficients.
+ * Get the predicted number of non-zero coefficients.
* @param n block index
*/
static inline int pred_non_zero_count(H264Context *h, int n){
}
static av_cold void init_cavlc_level_tab(void){
- int suffix_length, mask;
+ int suffix_length;
unsigned int i;
for(suffix_length=0; suffix_length<7; suffix_length++){
for(i=0; i<(1<<LEVEL_TAB_BITS); i++){
int prefix= LEVEL_TAB_BITS - av_log2(2*i);
- int level_code= (prefix<<suffix_length) + (i>>(LEVEL_TAB_BITS-prefix-1-suffix_length)) - (1<<suffix_length);
- mask= -(level_code&1);
- level_code= (((2+level_code)>>1) ^ mask) - mask;
if(prefix + 1 + suffix_length <= LEVEL_TAB_BITS){
+ int level_code = (prefix << suffix_length) +
+ (i >> (av_log2(i) - suffix_length)) - (1 << suffix_length);
+ int mask = -(level_code&1);
+ level_code = (((2 + level_code) >> 1) ^ mask) - mask;
cavlc_level_tab[suffix_length][i][0]= level_code;
cavlc_level_tab[suffix_length][i][1]= prefix + 1 + suffix_length;
}else if(prefix + 1 <= LEVEL_TAB_BITS){
&chroma_dc_coeff_token_bits[0], 1, 1,
INIT_VLC_USE_NEW_STATIC);
+ chroma422_dc_coeff_token_vlc.table = chroma422_dc_coeff_token_vlc_table;
+ chroma422_dc_coeff_token_vlc.table_allocated = chroma422_dc_coeff_token_vlc_table_size;
+ init_vlc(&chroma422_dc_coeff_token_vlc, CHROMA422_DC_COEFF_TOKEN_VLC_BITS, 4*9,
+ &chroma422_dc_coeff_token_len [0], 1, 1,
+ &chroma422_dc_coeff_token_bits[0], 1, 1,
+ INIT_VLC_USE_NEW_STATIC);
+
offset = 0;
for(i=0; i<4; i++){
coeff_token_vlc[i].table = coeff_token_vlc_tables+offset;
&chroma_dc_total_zeros_bits[i][0], 1, 1,
INIT_VLC_USE_NEW_STATIC);
}
+
+ for(i=0; i<7; i++){
+ chroma422_dc_total_zeros_vlc[i].table = chroma422_dc_total_zeros_vlc_tables[i];
+ chroma422_dc_total_zeros_vlc[i].table_allocated = chroma422_dc_total_zeros_vlc_tables_size;
+ init_vlc(&chroma422_dc_total_zeros_vlc[i],
+ CHROMA422_DC_TOTAL_ZEROS_VLC_BITS, 8,
+ &chroma422_dc_total_zeros_len [i][0], 1, 1,
+ &chroma422_dc_total_zeros_bits[i][0], 1, 1,
+ INIT_VLC_USE_NEW_STATIC);
+ }
+
for(i=0; i<15; i++){
total_zeros_vlc[i].table = total_zeros_vlc_tables[i];
total_zeros_vlc[i].table_allocated = total_zeros_vlc_tables_size;
}
/**
- * decodes a residual block.
+ * Decode a residual block.
* @param n block index
* @param scantable scantable
* @param max_coeff number of coefficients in the block
//FIXME put trailing_onex into the context
if(max_coeff <= 8){
- coeff_token= get_vlc2(gb, chroma_dc_coeff_token_vlc.table, CHROMA_DC_COEFF_TOKEN_VLC_BITS, 1);
+ if (max_coeff == 4)
+ coeff_token = get_vlc2(gb, chroma_dc_coeff_token_vlc.table, CHROMA_DC_COEFF_TOKEN_VLC_BITS, 1);
+ else
+ coeff_token = get_vlc2(gb, chroma422_dc_coeff_token_vlc.table, CHROMA422_DC_COEFF_TOKEN_VLC_BITS, 1);
total_coeff= coeff_token>>2;
}else{
if(n >= LUMA_DC_BLOCK_INDEX){
if(total_coeff == max_coeff)
zeros_left=0;
else{
- /* FIXME: we don't actually support 4:2:2 yet. */
- if(max_coeff <= 8)
- zeros_left= get_vlc2(gb, (chroma_dc_total_zeros_vlc-1)[ total_coeff ].table, CHROMA_DC_TOTAL_ZEROS_VLC_BITS, 1);
- else
+ if (max_coeff <= 8) {
+ if (max_coeff == 4)
+ zeros_left = get_vlc2(gb, (chroma_dc_total_zeros_vlc-1)[total_coeff].table,
+ CHROMA_DC_TOTAL_ZEROS_VLC_BITS, 1);
+ else
+ zeros_left = get_vlc2(gb, (chroma422_dc_total_zeros_vlc-1)[total_coeff].table,
+ CHROMA422_DC_TOTAL_ZEROS_VLC_BITS, 1);
+ } else {
zeros_left= get_vlc2(gb, (total_zeros_vlc-1)[ total_coeff ].table, TOTAL_ZEROS_VLC_BITS, 1);
+ }
}
#define STORE_BLOCK(type) \
if(IS_INTRA_PCM(mb_type)){
unsigned int x;
- static const uint16_t mb_sizes[4] = {256,384,512,768};
- const int mb_size = mb_sizes[h->sps.chroma_format_idc]*h->sps.bit_depth_luma >> 3;
+ const int mb_size = ff_h264_mb_sizes[h->sps.chroma_format_idc] *
+ h->sps.bit_depth_luma >> 3;
// We assume these blocks are very rare so we do not optimize it.
align_get_bits(&s->gb);
if( ff_h264_check_intra4x4_pred_mode(h) < 0)
return -1;
}else{
- h->intra16x16_pred_mode= ff_h264_check_intra_pred_mode(h, h->intra16x16_pred_mode);
+ h->intra16x16_pred_mode= ff_h264_check_intra_pred_mode(h, h->intra16x16_pred_mode, 0);
if(h->intra16x16_pred_mode < 0)
return -1;
}
if(decode_chroma){
- pred_mode= ff_h264_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), 1);
if(pred_mode < 0)
return -1;
h->chroma_pred_mode= pred_mode;
s->current_picture.f.mb_type[mb_xy] = mb_type;
if(cbp || IS_INTRA16x16(mb_type)){
- int i4x4, chroma_idx;
+ int i4x4, i8x8, chroma_idx;
int dquant;
int ret;
GetBitContext *gb= IS_INTRA(mb_type) ? h->intra_gb_ptr : h->inter_gb_ptr;
if( decode_luma_residual(h, gb, scan, scan8x8, pixel_shift, mb_type, cbp, 2) < 0 ){
return -1;
}
- } else {
+ } else if (CHROMA422) {
+ if(cbp&0x30){
+ for(chroma_idx=0; chroma_idx<2; chroma_idx++)
+ if (decode_residual(h, gb, h->mb + ((256 + 16*16*chroma_idx) << pixel_shift),
+ CHROMA_DC_BLOCK_INDEX+chroma_idx, chroma422_dc_scan,
+ NULL, 8) < 0) {
+ return -1;
+ }
+ }
+
+ if(cbp&0x20){
+ for(chroma_idx=0; chroma_idx<2; chroma_idx++){
+ const uint32_t *qmul = h->dequant4_coeff[chroma_idx+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[chroma_idx]];
+ DCTELEM *mb = h->mb + (16*(16 + 16*chroma_idx) << pixel_shift);
+ for (i8x8 = 0; i8x8 < 2; i8x8++) {
+ for (i4x4 = 0; i4x4 < 4; i4x4++) {
+ const int index = 16 + 16*chroma_idx + 8*i8x8 + i4x4;
+ if (decode_residual(h, gb, mb, index, scan + 1, qmul, 15) < 0)
+ return -1;
+ mb += 16 << pixel_shift;
+ }
+ }
+ }
+ }else{
+ fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);
+ fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);
+ }
+ } else /* yuv420 */ {
if(cbp&0x30){
for(chroma_idx=0; chroma_idx<2; chroma_idx++)
if( decode_residual(h, gb, h->mb + ((256 + 16*16*chroma_idx) << pixel_shift), CHROMA_DC_BLOCK_INDEX+chroma_idx, chroma_dc_scan, NULL, 4) < 0){
return 0;
}
-
projects / ffmpeg / blobdiff