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Code Issues Releases Activity

dsputil: Move DV-specific ff_zigzag248_direct table to dvdata

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This commit is contained in:
Diego Biurrun 2014-03-26 04:41:29 -07:00
parent 57b5b84e20
commit 5f92204370
6 changed files with 17 additions and 16 deletions
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13
libavcodec/dsputil.c
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@ -57,19 +57,6 @@ uint32_t ff_square_tab[512] = { 0, };
#define pb_7f (~0UL / 255 * 0x7f) #define pb_7f (~0UL / 255 * 0x7f)
#define pb_80 (~0UL / 255 * 0x80) #define pb_80 (~0UL / 255 * 0x80)
/* Specific zigzag scan for 248 idct. NOTE that unlike the
* specification, we interleave the fields */
const uint8_t ff_zigzag248_direct[64] = {
0, 8, 1, 9, 16, 24, 2, 10,
17, 25, 32, 40, 48, 56, 33, 41,
18, 26, 3, 11, 4, 12, 19, 27,
34, 42, 49, 57, 50, 58, 35, 43,
20, 28, 5, 13, 6, 14, 21, 29,
36, 44, 51, 59, 52, 60, 37, 45,
22, 30, 7, 15, 23, 31, 38, 46,
53, 61, 54, 62, 39, 47, 55, 63,
};
const uint8_t ff_alternate_horizontal_scan[64] = { const uint8_t ff_alternate_horizontal_scan[64] = {
0, 1, 2, 3, 8, 9, 16, 17, 0, 1, 2, 3, 8, 9, 16, 17,
10, 11, 4, 5, 6, 7, 15, 14, 10, 11, 4, 5, 6, 7, 15, 14,

1
libavcodec/dsputil.h
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@ -35,7 +35,6 @@
/* encoding scans */ /* encoding scans */
extern const uint8_t ff_alternate_horizontal_scan[64]; extern const uint8_t ff_alternate_horizontal_scan[64];
extern const uint8_t ff_alternate_vertical_scan[64]; extern const uint8_t ff_alternate_vertical_scan[64];
extern const uint8_t ff_zigzag248_direct[64];
extern uint32_t ff_square_tab[512]; extern uint32_t ff_square_tab[512];

2
libavcodec/dv.c
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@ -311,7 +311,7 @@ av_cold int ff_dvvideo_init(AVCodecContext *avctx)
/* 248DCT setup */ /* 248DCT setup */
s->fdct[1] = dsp.fdct248; s->fdct[1] = dsp.fdct248;
s->idct_put[1] = ff_simple_idct248_put; // FIXME: need to add it to DSP s->idct_put[1] = ff_simple_idct248_put; // FIXME: need to add it to DSP
memcpy(s->dv_zigzag[1], ff_zigzag248_direct, 64); memcpy(s->dv_zigzag[1], ff_dv_zigzag248_direct, 64);
s->avctx = avctx; s->avctx = avctx;
avctx->chroma_sample_location = AVCHROMA_LOC_TOPLEFT; avctx->chroma_sample_location = AVCHROMA_LOC_TOPLEFT;

13
libavcodec/dvdata.c
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@ -28,6 +28,19 @@
#include "dvdata.h" #include "dvdata.h"
/* Specific zigzag scan for 248 idct. NOTE that unlike the
* specification, we interleave the fields */
const uint8_t ff_dv_zigzag248_direct[64] = {
0, 8, 1, 9, 16, 24, 2, 10,
17, 25, 32, 40, 48, 56, 33, 41,
18, 26, 3, 11, 4, 12, 19, 27,
34, 42, 49, 57, 50, 58, 35, 43,
20, 28, 5, 13, 6, 14, 21, 29,
36, 44, 51, 59, 52, 60, 37, 45,
22, 30, 7, 15, 23, 31, 38, 46,
53, 61, 54, 62, 39, 47, 55, 63,
};
/* unquant tables (not used directly) */ /* unquant tables (not used directly) */
const uint8_t ff_dv_quant_shifts[22][4] = { const uint8_t ff_dv_quant_shifts[22][4] = {
{ 3,3,4,4 }, { 3,3,4,4 },

2
libavcodec/dvdata.h
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@ -21,6 +21,8 @@
#include <stdint.h> #include <stdint.h>
extern const uint8_t ff_dv_zigzag248_direct[64];
extern const uint8_t ff_dv_quant_shifts[22][4]; extern const uint8_t ff_dv_quant_shifts[22][4];
extern const uint8_t ff_dv_quant_offset[4]; extern const uint8_t ff_dv_quant_offset[4];

2
libavcodec/dvenc.c
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@ -245,7 +245,7 @@ static av_always_inline int dv_init_enc_block(EncBlockInfo* bi, uint8_t *data, i
} }
bi->mb[0] = blk[0]; bi->mb[0] = blk[0];
zigzag_scan = bi->dct_mode ? ff_zigzag248_direct : ff_zigzag_direct; zigzag_scan = bi->dct_mode ? ff_dv_zigzag248_direct : ff_zigzag_direct;
weight = bi->dct_mode ? dv_weight_248 : dv_weight_88; weight = bi->dct_mode ? dv_weight_248 : dv_weight_88;
for (area = 0; area < 4; area++) { for (area = 0; area < 4; area++) {