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VC1: merge idct8x8, coeff adjustments and put_pixels.
Merging these functions allows merging some loops, which makes the results (particularly after SIMD optimizations) much faster.
This commit is contained in:
parent
8d9ac969cb
commit
f8bed30d8b
@ -130,7 +130,8 @@ do { \
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/** Do inverse transform on 8x8 block
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*/
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static void vc1_inv_trans_8x8_altivec(DCTELEM block[64])
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static void vc1_inv_trans_8x8_altivec(DCTELEM block[64],
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int sign, int rangered)
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{
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vector signed short src0, src1, src2, src3, src4, src5, src6, src7;
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vector signed int s0, s1, s2, s3, s4, s5, s6, s7;
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@ -144,7 +145,9 @@ static void vc1_inv_trans_8x8_altivec(DCTELEM block[64])
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const vector unsigned int vec_2 = vec_splat_u32(2);
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const vector signed int vec_1s = vec_splat_s32(1);
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const vector unsigned int vec_1 = vec_splat_u32(1);
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const vector unsigned short rangered_shift = vec_splat_u16(1);
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const vector signed short signed_bias = vec_sl(vec_splat_u16(4),
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vec_splat_u16(4));
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src0 = vec_ld( 0, block);
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src1 = vec_ld( 16, block);
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@ -214,6 +217,27 @@ static void vc1_inv_trans_8x8_altivec(DCTELEM block[64])
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src6 = vec_pack(sE, s6);
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src7 = vec_pack(sF, s7);
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if (rangered) {
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if (!sign) {
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vec_sub(src0, signed_bias);
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vec_sub(src1, signed_bias);
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vec_sub(src2, signed_bias);
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vec_sub(src3, signed_bias);
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vec_sub(src4, signed_bias);
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vec_sub(src5, signed_bias);
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vec_sub(src6, signed_bias);
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vec_sub(src7, signed_bias);
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}
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vec_sl(src0, rangered_shift);
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vec_sl(src1, rangered_shift);
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vec_sl(src2, rangered_shift);
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vec_sl(src3, rangered_shift);
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vec_sl(src4, rangered_shift);
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vec_sl(src5, rangered_shift);
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vec_sl(src6, rangered_shift);
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vec_sl(src7, rangered_shift);
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}
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vec_st(src0, 0, block);
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vec_st(src1, 16, block);
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vec_st(src2, 32, block);
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@ -224,6 +248,36 @@ static void vc1_inv_trans_8x8_altivec(DCTELEM block[64])
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vec_st(src7,112, block);
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}
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static void vc1_inv_trans_8x8_add_altivec(uint8_t *dest, int stride, DCTELEM *b)
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{
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vc1_inv_trans_8x8_altivec(b, 0, 0);
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ff_add_pixels_clamped_c(b, dest, stride);
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}
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static void vc1_inv_trans_8x8_put_signed_altivec(uint8_t *dest, int stride, DCTELEM *b)
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{
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vc1_inv_trans_8x8_altivec(b, 1, 0);
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ff_put_signed_pixels_clamped_c(b, dest, stride);
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}
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static void vc1_inv_trans_8x8_put_signed_rangered_altivec(uint8_t *dest, int stride, DCTELEM *b)
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{
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vc1_inv_trans_8x8_altivec(b, 1, 1);
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ff_put_signed_pixels_clamped_c(b, dest, stride);
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}
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static void vc1_inv_trans_8x8_put_altivec(uint8_t *dest, int stride, DCTELEM *b)
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{
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vc1_inv_trans_8x8_altivec(b, 0, 0);
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ff_put_pixels_clamped_c(b, dest, stride);
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}
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static void vc1_inv_trans_8x8_put_rangered_altivec(uint8_t *dest, int stride, DCTELEM *b)
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{
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vc1_inv_trans_8x8_altivec(b, 0, 1);
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ff_put_pixels_clamped_c(b, dest, stride);
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}
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/** Do inverse transform on 8x4 part of block
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*/
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static void vc1_inv_trans_8x4_altivec(uint8_t *dest, int stride, DCTELEM *block)
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@ -342,7 +396,11 @@ void ff_vc1dsp_init_altivec(VC1DSPContext* dsp)
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if (!(av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC))
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return;
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dsp->vc1_inv_trans_8x8 = vc1_inv_trans_8x8_altivec;
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dsp->vc1_inv_trans_8x8_add = vc1_inv_trans_8x8_add_altivec;
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dsp->vc1_inv_trans_8x8_put_signed[0] = vc1_inv_trans_8x8_put_signed_altivec;
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dsp->vc1_inv_trans_8x8_put_signed[1] = vc1_inv_trans_8x8_put_signed_rangered_altivec;
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dsp->vc1_inv_trans_8x8_put[0] = vc1_inv_trans_8x8_put_altivec;
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dsp->vc1_inv_trans_8x8_put[1] = vc1_inv_trans_8x8_put_rangered_altivec;
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dsp->vc1_inv_trans_8x4 = vc1_inv_trans_8x4_altivec;
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dsp->put_no_rnd_vc1_chroma_pixels_tab[0] = put_no_rnd_vc1_chroma_mc8_altivec;
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dsp->avg_no_rnd_vc1_chroma_pixels_tab[0] = avg_no_rnd_vc1_chroma_mc8_altivec;
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@ -280,6 +280,28 @@ static int vop_dquant_decoding(VC1Context *v)
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static int decode_sequence_header_adv(VC1Context *v, GetBitContext *gb);
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static void simple_idct_put_rangered(uint8_t *dest, int line_size, DCTELEM *block)
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{
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int i;
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ff_simple_idct(block);
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for (i = 0; i < 64; i++) block[i] = (block[i] - 64) << 1;
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ff_put_pixels_clamped_c(block, dest, line_size);
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}
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static void simple_idct_put_signed(uint8_t *dest, int line_size, DCTELEM *block)
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{
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ff_simple_idct(block);
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ff_put_signed_pixels_clamped_c(block, dest, line_size);
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}
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static void simple_idct_put_signed_rangered(uint8_t *dest, int line_size, DCTELEM *block)
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{
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int i;
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ff_simple_idct(block);
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for (i = 0; i < 64; i++) block[i] <<= 1;
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ff_put_signed_pixels_clamped_c(block, dest, line_size);
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}
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/**
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* Decode Simple/Main Profiles sequence header
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* @see Figure 7-8, p16-17
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@ -337,7 +359,11 @@ int vc1_decode_sequence_header(AVCodecContext *avctx, VC1Context *v, GetBitConte
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v->res_fasttx = get_bits1(gb);
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if (!v->res_fasttx)
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{
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v->vc1dsp.vc1_inv_trans_8x8 = ff_simple_idct;
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v->vc1dsp.vc1_inv_trans_8x8_add = ff_simple_idct_add;
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v->vc1dsp.vc1_inv_trans_8x8_put[0] = ff_simple_idct_put;
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v->vc1dsp.vc1_inv_trans_8x8_put[1] = simple_idct_put_rangered;
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v->vc1dsp.vc1_inv_trans_8x8_put_signed[0] = simple_idct_put_signed;
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v->vc1dsp.vc1_inv_trans_8x8_put_signed[1] = simple_idct_put_signed_rangered;
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v->vc1dsp.vc1_inv_trans_8x4 = ff_simple_idct84_add;
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v->vc1dsp.vc1_inv_trans_4x8 = ff_simple_idct48_add;
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v->vc1dsp.vc1_inv_trans_4x4 = ff_simple_idct44_add;
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@ -2009,8 +2009,7 @@ static int vc1_decode_p_block(VC1Context *v, DCTELEM block[64], int n, int mquan
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if(i==1)
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v->vc1dsp.vc1_inv_trans_8x8_dc(dst, linesize, block);
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else{
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v->vc1dsp.vc1_inv_trans_8x8(block);
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s->dsp.add_pixels_clamped(block, dst, linesize);
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v->vc1dsp.vc1_inv_trans_8x8_add(dst, linesize, block);
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}
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if(apply_filter && cbp_top & 0xC)
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v->vc1dsp.vc1_v_loop_filter8(dst, linesize, v->pq);
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@ -2117,7 +2116,7 @@ static int vc1_decode_p_mb(VC1Context *v)
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{
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MpegEncContext *s = &v->s;
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GetBitContext *gb = &s->gb;
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int i, j;
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int i;
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int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
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int cbp; /* cbp decoding stuff */
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int mqdiff, mquant; /* MB quantization */
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@ -2149,6 +2148,8 @@ static int vc1_decode_p_mb(VC1Context *v)
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{
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if (!skipped)
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{
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vc1_idct_func idct8x8_fn;
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GET_MVDATA(dmv_x, dmv_y);
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if (s->mb_intra) {
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@ -2183,6 +2184,7 @@ static int vc1_decode_p_mb(VC1Context *v)
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VC1_TTMB_VLC_BITS, 2);
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if(!s->mb_intra) vc1_mc_1mv(v, 0);
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dst_idx = 0;
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idct8x8_fn = v->vc1dsp.vc1_inv_trans_8x8_put_signed[!!v->rangeredfrm];
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for (i=0; i<6; i++)
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{
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s->dc_val[0][s->block_index[i]] = 0;
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@ -2200,9 +2202,9 @@ static int vc1_decode_p_mb(VC1Context *v)
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vc1_decode_intra_block(v, s->block[i], i, val, mquant, (i&4)?v->codingset2:v->codingset);
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if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
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v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);
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if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;
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s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
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idct8x8_fn(s->dest[dst_idx] + off,
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i & 4 ? s->uvlinesize : s->linesize,
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s->block[i]);
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if(v->pq >= 9 && v->overlap) {
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if(v->c_avail)
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v->vc1dsp.vc1_h_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
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@ -2267,6 +2269,7 @@ static int vc1_decode_p_mb(VC1Context *v)
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{
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int intra_count = 0, coded_inter = 0;
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int is_intra[6], is_coded[6];
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vc1_idct_func idct8x8_fn;
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/* Get CBPCY */
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cbp = get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2);
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for (i=0; i<6; i++)
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@ -2316,6 +2319,7 @@ static int vc1_decode_p_mb(VC1Context *v)
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}
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if (!v->ttmbf && coded_inter)
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ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, VC1_TTMB_VLC_BITS, 2);
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idct8x8_fn = v->vc1dsp.vc1_inv_trans_8x8_put_signed[!!v->rangeredfrm];
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for (i=0; i<6; i++)
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{
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dst_idx += i >> 2;
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@ -2331,9 +2335,9 @@ static int vc1_decode_p_mb(VC1Context *v)
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vc1_decode_intra_block(v, s->block[i], i, is_coded[i], mquant, (i&4)?v->codingset2:v->codingset);
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if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
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v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);
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if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;
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s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize);
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idct8x8_fn(s->dest[dst_idx] + off,
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(i&4)?s->uvlinesize:s->linesize,
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s->block[i]);
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if(v->pq >= 9 && v->overlap) {
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if(v->c_avail)
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v->vc1dsp.vc1_h_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
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@ -2409,7 +2413,7 @@ static void vc1_decode_b_mb(VC1Context *v)
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{
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MpegEncContext *s = &v->s;
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GetBitContext *gb = &s->gb;
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int i, j;
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int i;
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int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
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int cbp = 0; /* cbp decoding stuff */
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int mqdiff, mquant; /* MB quantization */
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@ -2422,6 +2426,7 @@ static void vc1_decode_b_mb(VC1Context *v)
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int skipped, direct;
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int dmv_x[2], dmv_y[2];
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int bmvtype = BMV_TYPE_BACKWARD;
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vc1_idct_func idct8x8_fn;
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mquant = v->pq; /* Loosy initialization */
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s->mb_intra = 0;
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@ -2519,6 +2524,7 @@ static void vc1_decode_b_mb(VC1Context *v)
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}
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}
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dst_idx = 0;
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idct8x8_fn = v->vc1dsp.vc1_inv_trans_8x8_put_signed[!!v->rangeredfrm];
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for (i=0; i<6; i++)
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{
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s->dc_val[0][s->block_index[i]] = 0;
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@ -2536,9 +2542,9 @@ static void vc1_decode_b_mb(VC1Context *v)
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vc1_decode_intra_block(v, s->block[i], i, val, mquant, (i&4)?v->codingset2:v->codingset);
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if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
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v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);
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if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;
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s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
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idct8x8_fn(s->dest[dst_idx] + off,
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i & 4 ? s->uvlinesize : s->linesize,
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s->block[i]);
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} else if(val) {
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vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block, s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize, (i&4) && (s->flags & CODEC_FLAG_GRAY), 0, 0, 0);
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if(!v->ttmbf && ttmb < 8) ttmb = -1;
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@ -2551,11 +2557,12 @@ static void vc1_decode_b_mb(VC1Context *v)
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*/
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static void vc1_decode_i_blocks(VC1Context *v)
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{
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int k, j;
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int k;
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MpegEncContext *s = &v->s;
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int cbp, val;
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uint8_t *coded_val;
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int mb_pos;
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vc1_idct_func idct8x8_fn;
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/* select codingmode used for VLC tables selection */
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switch(v->y_ac_table_index){
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@ -2590,6 +2597,10 @@ static void vc1_decode_i_blocks(VC1Context *v)
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s->mb_x = s->mb_y = 0;
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s->mb_intra = 1;
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s->first_slice_line = 1;
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if(v->pq >= 9 && v->overlap) {
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idct8x8_fn = v->vc1dsp.vc1_inv_trans_8x8_put_signed[!!v->rangeredfrm];
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} else
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idct8x8_fn = v->vc1dsp.vc1_inv_trans_8x8_put[!!v->rangeredfrm];
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for(s->mb_y = 0; s->mb_y < s->mb_height; s->mb_y++) {
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s->mb_x = 0;
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ff_init_block_index(s);
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@ -2626,14 +2637,9 @@ static void vc1_decode_i_blocks(VC1Context *v)
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vc1_decode_i_block(v, s->block[k], k, val, (k<4)? v->codingset : v->codingset2);
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if (k > 3 && (s->flags & CODEC_FLAG_GRAY)) continue;
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v->vc1dsp.vc1_inv_trans_8x8(s->block[k]);
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if(v->pq >= 9 && v->overlap) {
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if (v->rangeredfrm) for(j = 0; j < 64; j++) s->block[k][j] <<= 1;
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s->dsp.put_signed_pixels_clamped(s->block[k], dst[k], k & 4 ? s->uvlinesize : s->linesize);
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} else {
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if (v->rangeredfrm) for(j = 0; j < 64; j++) s->block[k][j] = (s->block[k][j] - 64) << 1;
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s->dsp.put_pixels_clamped(s->block[k], dst[k], k & 4 ? s->uvlinesize : s->linesize);
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}
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idct8x8_fn(dst[k],
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k & 4 ? s->uvlinesize : s->linesize,
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s->block[k]);
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}
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if(v->pq >= 9 && v->overlap) {
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@ -2691,6 +2697,7 @@ static void vc1_decode_i_blocks_adv(VC1Context *v)
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int mqdiff;
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int overlap;
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GetBitContext *gb = &s->gb;
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vc1_idct_func idct8x8_fn;
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/* select codingmode used for VLC tables selection */
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switch(v->y_ac_table_index){
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@ -2721,6 +2728,7 @@ static void vc1_decode_i_blocks_adv(VC1Context *v)
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s->mb_x = s->mb_y = 0;
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s->mb_intra = 1;
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s->first_slice_line = 1;
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idct8x8_fn = v->vc1dsp.vc1_inv_trans_8x8_put_signed[0];
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for(s->mb_y = 0; s->mb_y < s->mb_height; s->mb_y++) {
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s->mb_x = 0;
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ff_init_block_index(s);
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@ -2777,9 +2785,9 @@ static void vc1_decode_i_blocks_adv(VC1Context *v)
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vc1_decode_i_block_adv(v, s->block[k], k, val, (k<4)? v->codingset : v->codingset2, mquant);
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if (k > 3 && (s->flags & CODEC_FLAG_GRAY)) continue;
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v->vc1dsp.vc1_inv_trans_8x8(s->block[k]);
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||||
s->dsp.put_signed_pixels_clamped(s->block[k], dst[k],
|
||||
k & 4 ? s->uvlinesize : s->linesize);
|
||||
idct8x8_fn(dst[k],
|
||||
k & 4 ? s->uvlinesize : s->linesize,
|
||||
s->block[k]);
|
||||
}
|
||||
|
||||
if(overlap) {
|
||||
|
@ -199,7 +199,7 @@ static void vc1_inv_trans_8x8_dc_c(uint8_t *dest, int linesize, DCTELEM *block)
|
||||
}
|
||||
}
|
||||
|
||||
static void vc1_inv_trans_8x8_c(DCTELEM block[64])
|
||||
static av_always_inline void vc1_inv_trans_8x8_c(DCTELEM block[64], int shl, int sub)
|
||||
{
|
||||
int i;
|
||||
register int t1,t2,t3,t4,t5,t6,t7,t8;
|
||||
@ -254,20 +254,50 @@ static void vc1_inv_trans_8x8_c(DCTELEM block[64])
|
||||
t3 = 9 * src[ 8] - 16 * src[24] + 4 * src[40] + 15 * src[56];
|
||||
t4 = 4 * src[ 8] - 9 * src[24] + 15 * src[40] - 16 * src[56];
|
||||
|
||||
dst[ 0] = (t5 + t1) >> 7;
|
||||
dst[ 8] = (t6 + t2) >> 7;
|
||||
dst[16] = (t7 + t3) >> 7;
|
||||
dst[24] = (t8 + t4) >> 7;
|
||||
dst[32] = (t8 - t4 + 1) >> 7;
|
||||
dst[40] = (t7 - t3 + 1) >> 7;
|
||||
dst[48] = (t6 - t2 + 1) >> 7;
|
||||
dst[56] = (t5 - t1 + 1) >> 7;
|
||||
dst[ 0] = (((t5 + t1 ) >> 7) - sub) << shl;
|
||||
dst[ 8] = (((t6 + t2 ) >> 7) - sub) << shl;
|
||||
dst[16] = (((t7 + t3 ) >> 7) - sub) << shl;
|
||||
dst[24] = (((t8 + t4 ) >> 7) - sub) << shl;
|
||||
dst[32] = (((t8 - t4 + 1) >> 7) - sub) << shl;
|
||||
dst[40] = (((t7 - t3 + 1) >> 7) - sub) << shl;
|
||||
dst[48] = (((t6 - t2 + 1) >> 7) - sub) << shl;
|
||||
dst[56] = (((t5 - t1 + 1) >> 7) - sub) << shl;
|
||||
|
||||
src++;
|
||||
dst++;
|
||||
}
|
||||
}
|
||||
|
||||
static void vc1_inv_trans_8x8_add_c(uint8_t *dest, int linesize, DCTELEM *block)
|
||||
{
|
||||
vc1_inv_trans_8x8_c(block, 0, 0);
|
||||
ff_add_pixels_clamped_c(block, dest, linesize);
|
||||
}
|
||||
|
||||
static void vc1_inv_trans_8x8_put_signed_c(uint8_t *dest, int linesize, DCTELEM *block)
|
||||
{
|
||||
vc1_inv_trans_8x8_c(block, 0, 0);
|
||||
ff_put_signed_pixels_clamped_c(block, dest, linesize);
|
||||
}
|
||||
|
||||
static void vc1_inv_trans_8x8_put_signed_rangered_c(uint8_t *dest, int linesize, DCTELEM *block)
|
||||
{
|
||||
vc1_inv_trans_8x8_c(block, 1, 0);
|
||||
ff_put_signed_pixels_clamped_c(block, dest, linesize);
|
||||
}
|
||||
|
||||
static void vc1_inv_trans_8x8_put_c(uint8_t *dest, int linesize, DCTELEM *block)
|
||||
{
|
||||
vc1_inv_trans_8x8_c(block, 0, 0);
|
||||
ff_put_pixels_clamped_c(block, dest, linesize);
|
||||
}
|
||||
|
||||
static void vc1_inv_trans_8x8_put_rangered_c(uint8_t *dest, int linesize, DCTELEM *block)
|
||||
{
|
||||
vc1_inv_trans_8x8_c(block, 1, 64);
|
||||
ff_put_pixels_clamped_c(block, dest, linesize);
|
||||
}
|
||||
|
||||
/** Do inverse transform on 8x4 part of block
|
||||
*/
|
||||
static void vc1_inv_trans_8x4_dc_c(uint8_t *dest, int linesize, DCTELEM *block)
|
||||
@ -662,7 +692,11 @@ static void avg_no_rnd_vc1_chroma_mc8_c(uint8_t *dst/*align 8*/, uint8_t *src/*a
|
||||
}
|
||||
|
||||
av_cold void ff_vc1dsp_init(VC1DSPContext* dsp) {
|
||||
dsp->vc1_inv_trans_8x8 = vc1_inv_trans_8x8_c;
|
||||
dsp->vc1_inv_trans_8x8_add = vc1_inv_trans_8x8_add_c;
|
||||
dsp->vc1_inv_trans_8x8_put_signed[0] = vc1_inv_trans_8x8_put_signed_c;
|
||||
dsp->vc1_inv_trans_8x8_put_signed[1] = vc1_inv_trans_8x8_put_signed_rangered_c;
|
||||
dsp->vc1_inv_trans_8x8_put[0] = vc1_inv_trans_8x8_put_c;
|
||||
dsp->vc1_inv_trans_8x8_put[1] = vc1_inv_trans_8x8_put_rangered_c;
|
||||
dsp->vc1_inv_trans_4x8 = vc1_inv_trans_4x8_c;
|
||||
dsp->vc1_inv_trans_8x4 = vc1_inv_trans_8x4_c;
|
||||
dsp->vc1_inv_trans_4x4 = vc1_inv_trans_4x4_c;
|
||||
|
@ -30,9 +30,13 @@
|
||||
|
||||
#include "dsputil.h"
|
||||
|
||||
typedef void (*vc1_idct_func)(uint8_t *dest, int line_size, DCTELEM *block);
|
||||
|
||||
typedef struct VC1DSPContext {
|
||||
/* vc1 functions */
|
||||
void (*vc1_inv_trans_8x8)(DCTELEM *b);
|
||||
vc1_idct_func vc1_inv_trans_8x8_add;
|
||||
vc1_idct_func vc1_inv_trans_8x8_put_signed[2];
|
||||
vc1_idct_func vc1_inv_trans_8x8_put[2];
|
||||
void (*vc1_inv_trans_8x4)(uint8_t *dest, int line_size, DCTELEM *block);
|
||||
void (*vc1_inv_trans_4x8)(uint8_t *dest, int line_size, DCTELEM *block);
|
||||
void (*vc1_inv_trans_4x4)(uint8_t *dest, int line_size, DCTELEM *block);
|
||||
|
Loading…
Reference in New Issue
Block a user