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@@ -26,6 +26,8 @@
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#include "avcodec.h"
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#include "bytestream.h"
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+#include "dsputil.h"
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+#include "mss34dsp.h"
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#define HEADER_SIZE 27
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@@ -119,39 +121,6 @@ typedef struct MSS3Context {
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int hblock[16 * 16];
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} MSS3Context;
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-static const uint8_t mss3_luma_quant[64] = {
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- 16, 11, 10, 16, 24, 40, 51, 61,
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- 12, 12, 14, 19, 26, 58, 60, 55,
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- 14, 13, 16, 24, 40, 57, 69, 56,
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- 14, 17, 22, 29, 51, 87, 80, 62,
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- 18, 22, 37, 56, 68, 109, 103, 77,
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- 24, 35, 55, 64, 81, 104, 113, 92,
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- 49, 64, 78, 87, 103, 121, 120, 101,
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- 72, 92, 95, 98, 112, 100, 103, 99
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-};
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-
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-static const uint8_t mss3_chroma_quant[64] = {
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- 17, 18, 24, 47, 99, 99, 99, 99,
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- 18, 21, 26, 66, 99, 99, 99, 99,
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- 24, 26, 56, 99, 99, 99, 99, 99,
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- 47, 66, 99, 99, 99, 99, 99, 99,
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- 99, 99, 99, 99, 99, 99, 99, 99,
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- 99, 99, 99, 99, 99, 99, 99, 99,
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- 99, 99, 99, 99, 99, 99, 99, 99,
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- 99, 99, 99, 99, 99, 99, 99, 99
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-};
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-
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-static const uint8_t zigzag_scan[64] = {
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- 0, 1, 8, 16, 9, 2, 3, 10,
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- 17, 24, 32, 25, 18, 11, 4, 5,
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- 12, 19, 26, 33, 40, 48, 41, 34,
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- 27, 20, 13, 6, 7, 14, 21, 28,
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- 35, 42, 49, 56, 57, 50, 43, 36,
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- 29, 22, 15, 23, 30, 37, 44, 51,
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- 58, 59, 52, 45, 38, 31, 39, 46,
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- 53, 60, 61, 54, 47, 55, 62, 63
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-};
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-
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static void model2_reset(Model2 *m)
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{
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@@ -578,7 +547,7 @@ static int decode_dct(RangeCoder *c, DCTBlockCoder *bc, int *block,
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if (!sign)
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val = -val;
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- zz_pos = zigzag_scan[pos];
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+ zz_pos = ff_zigzag_direct[pos];
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block[zz_pos] = val * bc->qmat[zz_pos];
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pos++;
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}
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@@ -586,58 +555,6 @@ static int decode_dct(RangeCoder *c, DCTBlockCoder *bc, int *block,
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return pos == 64 ? 0 : -1;
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}
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-#define DCT_TEMPLATE(blk, step, SOP, shift) \
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- const int t0 = -39409 * blk[7 * step] - 58980 * blk[1 * step]; \
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- const int t1 = 39410 * blk[1 * step] - 58980 * blk[7 * step]; \
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- const int t2 = -33410 * blk[5 * step] - 167963 * blk[3 * step]; \
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- const int t3 = 33410 * blk[3 * step] - 167963 * blk[5 * step]; \
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- const int t4 = blk[3 * step] + blk[7 * step]; \
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- const int t5 = blk[1 * step] + blk[5 * step]; \
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- const int t6 = 77062 * t4 + 51491 * t5; \
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- const int t7 = 77062 * t5 - 51491 * t4; \
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- const int t8 = 35470 * blk[2 * step] - 85623 * blk[6 * step]; \
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- const int t9 = 35470 * blk[6 * step] + 85623 * blk[2 * step]; \
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- const int tA = SOP(blk[0 * step] - blk[4 * step]); \
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- const int tB = SOP(blk[0 * step] + blk[4 * step]); \
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- \
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- blk[0 * step] = ( t1 + t6 + t9 + tB) >> shift; \
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- blk[1 * step] = ( t3 + t7 + t8 + tA) >> shift; \
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- blk[2 * step] = ( t2 + t6 - t8 + tA) >> shift; \
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- blk[3 * step] = ( t0 + t7 - t9 + tB) >> shift; \
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- blk[4 * step] = (-(t0 + t7) - t9 + tB) >> shift; \
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- blk[5 * step] = (-(t2 + t6) - t8 + tA) >> shift; \
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- blk[6 * step] = (-(t3 + t7) + t8 + tA) >> shift; \
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- blk[7 * step] = (-(t1 + t6) + t9 + tB) >> shift; \
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-
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-#define SOP_ROW(a) ((a) << 16) + 0x2000
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-#define SOP_COL(a) ((a + 32) << 16)
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-
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-static void dct_put(uint8_t *dst, int stride, int *block)
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-{
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- int i, j;
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- int *ptr;
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-
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- ptr = block;
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- for (i = 0; i < 8; i++) {
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- DCT_TEMPLATE(ptr, 1, SOP_ROW, 13);
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- ptr += 8;
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- }
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-
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- ptr = block;
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- for (i = 0; i < 8; i++) {
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- DCT_TEMPLATE(ptr, 8, SOP_COL, 22);
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- ptr++;
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- }
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-
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- ptr = block;
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- for (j = 0; j < 8; j++) {
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- for (i = 0; i < 8; i++)
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- dst[i] = av_clip_uint8(ptr[i] + 128);
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- dst += stride;
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- ptr += 8;
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- }
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-}
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-
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static void decode_dct_block(RangeCoder *c, DCTBlockCoder *bc,
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uint8_t *dst, int stride, int block_size,
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int *block, int mb_x, int mb_y)
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@@ -655,7 +572,7 @@ static void decode_dct_block(RangeCoder *c, DCTBlockCoder *bc,
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c->got_error = 1;
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return;
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}
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- dct_put(dst + i * 8, stride, block);
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+ ff_mss34_dct_put(dst + i * 8, stride, block);
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}
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dst += 8 * stride;
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}
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@@ -702,14 +619,6 @@ static void decode_haar_block(RangeCoder *c, HaarBlockCoder *hc,
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}
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}
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-static void gen_quant_mat(uint16_t *qmat, const uint8_t *ref, float scale)
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-{
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- int i;
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-
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- for (i = 0; i < 64; i++)
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- qmat[i] = (uint16_t)(ref[i] * scale + 50.0) / 100;
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-}
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-
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static void reset_coders(MSS3Context *ctx, int quality)
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{
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int i, j;
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@@ -726,15 +635,8 @@ static void reset_coders(MSS3Context *ctx, int quality)
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for (j = 0; j < 125; j++)
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model_reset(&ctx->image_coder[i].vq_model[j]);
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if (ctx->dct_coder[i].quality != quality) {
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- float scale;
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ctx->dct_coder[i].quality = quality;
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- if (quality > 50)
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- scale = 200.0f - 2 * quality;
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- else
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- scale = 5000.0f / quality;
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- gen_quant_mat(ctx->dct_coder[i].qmat,
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- i ? mss3_chroma_quant : mss3_luma_quant,
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- scale);
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+ ff_mss34_gen_quant_mat(ctx->dct_coder[i].qmat, quality, !i);
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}
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memset(ctx->dct_coder[i].prev_dc, 0,
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sizeof(*ctx->dct_coder[i].prev_dc) *
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