From ea031b75fb50c59196ccb654c9d143fb75365da9 Mon Sep 17 00:00:00 2001 From: Vittorio Giovara Date: Thu, 9 Apr 2015 18:09:32 +0200 Subject: hqx: Move DSP related code to a separate file --- libavcodec/hqx.c | 169 +++++++++++-------------------------------------------- 1 file changed, 33 insertions(+), 136 deletions(-) (limited to 'libavcodec/hqx.c') diff --git a/libavcodec/hqx.c b/libavcodec/hqx.c index a231afcda7..c323a70fb7 100644 --- a/libavcodec/hqx.c +++ b/libavcodec/hqx.c @@ -28,6 +28,7 @@ #include "internal.h" #include "hqx.h" +#include "hqxdsp.h" /* HQX has four modes - 422, 444, 422alpha and 444alpha - all 12-bit */ enum HQXFormat { @@ -81,115 +82,7 @@ static const uint8_t hqx_quant_chroma[64] = { 44, 91, 96, 197, 203, 209, 232, 246, }; -static inline void idct_col(int16_t *blk, const uint8_t *quant) -{ - int t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, tA, tB, tC, tD, tE, tF; - int t10, t11, t12, t13; - int s0, s1, s2, s3, s4, s5, s6, s7; - - s0 = (int) blk[0 * 8] * quant[0 * 8]; - s1 = (int) blk[1 * 8] * quant[1 * 8]; - s2 = (int) blk[2 * 8] * quant[2 * 8]; - s3 = (int) blk[3 * 8] * quant[3 * 8]; - s4 = (int) blk[4 * 8] * quant[4 * 8]; - s5 = (int) blk[5 * 8] * quant[5 * 8]; - s6 = (int) blk[6 * 8] * quant[6 * 8]; - s7 = (int) blk[7 * 8] * quant[7 * 8]; - - t0 = (s3 * 19266 + s5 * 12873) >> 15; - t1 = (s5 * 19266 - s3 * 12873) >> 15; - t2 = ((s7 * 4520 + s1 * 22725) >> 15) - t0; - t3 = ((s1 * 4520 - s7 * 22725) >> 15) - t1; - t4 = t0 * 2 + t2; - t5 = t1 * 2 + t3; - t6 = t2 - t3; - t7 = t3 * 2 + t6; - t8 = (t6 * 11585) >> 14; - t9 = (t7 * 11585) >> 14; - tA = (s2 * 8867 - s6 * 21407) >> 14; - tB = (s6 * 8867 + s2 * 21407) >> 14; - tC = (s0 >> 1) - (s4 >> 1); - tD = (s4 >> 1) * 2 + tC; - tE = tC - (tA >> 1); - tF = tD - (tB >> 1); - t10 = tF - t5; - t11 = tE - t8; - t12 = tE + (tA >> 1) * 2 - t9; - t13 = tF + (tB >> 1) * 2 - t4; - - blk[0 * 8] = t13 + t4 * 2; - blk[1 * 8] = t12 + t9 * 2; - blk[2 * 8] = t11 + t8 * 2; - blk[3 * 8] = t10 + t5 * 2; - blk[4 * 8] = t10; - blk[5 * 8] = t11; - blk[6 * 8] = t12; - blk[7 * 8] = t13; -} - -static inline void idct_row(int16_t *blk) -{ - int t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, tA, tB, tC, tD, tE, tF; - int t10, t11, t12, t13; - - t0 = (blk[3] * 19266 + blk[5] * 12873) >> 14; - t1 = (blk[5] * 19266 - blk[3] * 12873) >> 14; - t2 = ((blk[7] * 4520 + blk[1] * 22725) >> 14) - t0; - t3 = ((blk[1] * 4520 - blk[7] * 22725) >> 14) - t1; - t4 = t0 * 2 + t2; - t5 = t1 * 2 + t3; - t6 = t2 - t3; - t7 = t3 * 2 + t6; - t8 = (t6 * 11585) >> 14; - t9 = (t7 * 11585) >> 14; - tA = (blk[2] * 8867 - blk[6] * 21407) >> 14; - tB = (blk[6] * 8867 + blk[2] * 21407) >> 14; - tC = blk[0] - blk[4]; - tD = blk[4] * 2 + tC; - tE = tC - tA; - tF = tD - tB; - t10 = tF - t5; - t11 = tE - t8; - t12 = tE + tA * 2 - t9; - t13 = tF + tB * 2 - t4; - - blk[0] = (t13 + t4 * 2 + 4) >> 3; - blk[1] = (t12 + t9 * 2 + 4) >> 3; - blk[2] = (t11 + t8 * 2 + 4) >> 3; - blk[3] = (t10 + t5 * 2 + 4) >> 3; - blk[4] = (t10 + 4) >> 3; - blk[5] = (t11 + 4) >> 3; - blk[6] = (t12 + 4) >> 3; - blk[7] = (t13 + 4) >> 3; -} - -static void hqx_idct(int16_t *block, const uint8_t *quant) -{ - int i; - - for (i = 0; i < 8; i++) - idct_col(block + i, quant + i); - for (i = 0; i < 8; i++) - idct_row(block + i * 8); -} - -static void hqx_idct_put(uint16_t *dst, ptrdiff_t stride, - int16_t *block, const uint8_t *quant) -{ - int i, j; - - hqx_idct(block, quant); - - for (i = 0; i < 8; i++) { - for (j = 0; j < 8; j++) { - int v = av_clip(block[j + i * 8] + 0x800, 0, 0xFFF); - dst[j] = (v << 4) | (v >> 8); - } - dst += stride >> 1; - } -} - -static inline void put_blocks(AVFrame *pic, int plane, +static inline void put_blocks(HQXContext *ctx, AVFrame *pic, int plane, int x, int y, int ilace, int16_t *block0, int16_t *block1, const uint8_t *quant) @@ -198,9 +91,10 @@ static inline void put_blocks(AVFrame *pic, int plane, int lsize = pic->linesize[plane]; uint8_t *p = pic->data[plane] + x * 2; - hqx_idct_put((uint16_t *)(p + y * lsize), lsize * fields, block0, quant); - hqx_idct_put((uint16_t *)(p + (y + (ilace ? 1 : 8)) * lsize), - lsize * fields, block1, quant); + ctx->hqxdsp.idct_put((uint16_t *)(p + y * lsize), + lsize * fields, block0, quant); + ctx->hqxdsp.idct_put((uint16_t *)(p + (y + (ilace ? 1 : 8)) * lsize), + lsize * fields, block1, quant); } static inline void hqx_get_ac(GetBitContext *gb, const HQXAC *ac, @@ -285,10 +179,10 @@ static int hqx_decode_422(HQXContext *ctx, AVFrame *pic, return ret; } - put_blocks(pic, 0, x, y, flag, ctx->block[0], ctx->block[2], hqx_quant_luma); - put_blocks(pic, 0, x + 8, y, flag, ctx->block[1], ctx->block[3], hqx_quant_luma); - put_blocks(pic, 2, x >> 1, y, flag, ctx->block[4], ctx->block[5], hqx_quant_chroma); - put_blocks(pic, 1, x >> 1, y, flag, ctx->block[6], ctx->block[7], hqx_quant_chroma); + put_blocks(ctx, pic, 0, x, y, flag, ctx->block[0], ctx->block[2], hqx_quant_luma); + put_blocks(ctx, pic, 0, x + 8, y, flag, ctx->block[1], ctx->block[3], hqx_quant_luma); + put_blocks(ctx, pic, 2, x >> 1, y, flag, ctx->block[4], ctx->block[5], hqx_quant_chroma); + put_blocks(ctx, pic, 1, x >> 1, y, flag, ctx->block[6], ctx->block[7], hqx_quant_chroma); return 0; } @@ -332,12 +226,12 @@ static int hqx_decode_422a(HQXContext *ctx, AVFrame *pic, } } - put_blocks(pic, 3, x, y, flag, ctx->block[ 0], ctx->block[ 2], hqx_quant_luma); - put_blocks(pic, 3, x + 8, y, flag, ctx->block[ 1], ctx->block[ 3], hqx_quant_luma); - put_blocks(pic, 0, x, y, flag, ctx->block[ 4], ctx->block[ 6], hqx_quant_luma); - put_blocks(pic, 0, x + 8, y, flag, ctx->block[ 5], ctx->block[ 7], hqx_quant_luma); - put_blocks(pic, 2, x >> 1, y, flag, ctx->block[ 8], ctx->block[ 9], hqx_quant_chroma); - put_blocks(pic, 1, x >> 1, y, flag, ctx->block[10], ctx->block[11], hqx_quant_chroma); + put_blocks(ctx, pic, 3, x, y, flag, ctx->block[ 0], ctx->block[ 2], hqx_quant_luma); + put_blocks(ctx, pic, 3, x + 8, y, flag, ctx->block[ 1], ctx->block[ 3], hqx_quant_luma); + put_blocks(ctx, pic, 0, x, y, flag, ctx->block[ 4], ctx->block[ 6], hqx_quant_luma); + put_blocks(ctx, pic, 0, x + 8, y, flag, ctx->block[ 5], ctx->block[ 7], hqx_quant_luma); + put_blocks(ctx, pic, 2, x >> 1, y, flag, ctx->block[ 8], ctx->block[ 9], hqx_quant_chroma); + put_blocks(ctx, pic, 1, x >> 1, y, flag, ctx->block[10], ctx->block[11], hqx_quant_chroma); return 0; } @@ -367,12 +261,12 @@ static int hqx_decode_444(HQXContext *ctx, AVFrame *pic, return ret; } - put_blocks(pic, 0, x, y, flag, ctx->block[0], ctx->block[ 2], hqx_quant_luma); - put_blocks(pic, 0, x + 8, y, flag, ctx->block[1], ctx->block[ 3], hqx_quant_luma); - put_blocks(pic, 2, x, y, flag, ctx->block[4], ctx->block[ 6], hqx_quant_chroma); - put_blocks(pic, 2, x + 8, y, flag, ctx->block[5], ctx->block[ 7], hqx_quant_chroma); - put_blocks(pic, 1, x, y, flag, ctx->block[8], ctx->block[10], hqx_quant_chroma); - put_blocks(pic, 1, x + 8, y, flag, ctx->block[9], ctx->block[11], hqx_quant_chroma); + put_blocks(ctx, pic, 0, x, y, flag, ctx->block[0], ctx->block[ 2], hqx_quant_luma); + put_blocks(ctx, pic, 0, x + 8, y, flag, ctx->block[1], ctx->block[ 3], hqx_quant_luma); + put_blocks(ctx, pic, 2, x, y, flag, ctx->block[4], ctx->block[ 6], hqx_quant_chroma); + put_blocks(ctx, pic, 2, x + 8, y, flag, ctx->block[5], ctx->block[ 7], hqx_quant_chroma); + put_blocks(ctx, pic, 1, x, y, flag, ctx->block[8], ctx->block[10], hqx_quant_chroma); + put_blocks(ctx, pic, 1, x + 8, y, flag, ctx->block[9], ctx->block[11], hqx_quant_chroma); return 0; } @@ -413,14 +307,14 @@ static int hqx_decode_444a(HQXContext *ctx, AVFrame *pic, } } - put_blocks(pic, 3, x, y, flag, ctx->block[ 0], ctx->block[ 2], hqx_quant_luma); - put_blocks(pic, 3, x + 8, y, flag, ctx->block[ 1], ctx->block[ 3], hqx_quant_luma); - put_blocks(pic, 0, x, y, flag, ctx->block[ 4], ctx->block[ 6], hqx_quant_luma); - put_blocks(pic, 0, x + 8, y, flag, ctx->block[ 5], ctx->block[ 7], hqx_quant_luma); - put_blocks(pic, 2, x, y, flag, ctx->block[ 8], ctx->block[10], hqx_quant_chroma); - put_blocks(pic, 2, x + 8, y, flag, ctx->block[ 9], ctx->block[11], hqx_quant_chroma); - put_blocks(pic, 1, x, y, flag, ctx->block[12], ctx->block[14], hqx_quant_chroma); - put_blocks(pic, 1, x + 8, y, flag, ctx->block[13], ctx->block[15], hqx_quant_chroma); + put_blocks(ctx, pic, 3, x, y, flag, ctx->block[ 0], ctx->block[ 2], hqx_quant_luma); + put_blocks(ctx, pic, 3, x + 8, y, flag, ctx->block[ 1], ctx->block[ 3], hqx_quant_luma); + put_blocks(ctx, pic, 0, x, y, flag, ctx->block[ 4], ctx->block[ 6], hqx_quant_luma); + put_blocks(ctx, pic, 0, x + 8, y, flag, ctx->block[ 5], ctx->block[ 7], hqx_quant_luma); + put_blocks(ctx, pic, 2, x, y, flag, ctx->block[ 8], ctx->block[10], hqx_quant_chroma); + put_blocks(ctx, pic, 2, x + 8, y, flag, ctx->block[ 9], ctx->block[11], hqx_quant_chroma); + put_blocks(ctx, pic, 1, x, y, flag, ctx->block[12], ctx->block[14], hqx_quant_chroma); + put_blocks(ctx, pic, 1, x + 8, y, flag, ctx->block[13], ctx->block[15], hqx_quant_chroma); return 0; } @@ -628,6 +522,9 @@ static av_cold int hqx_decode_init(AVCodecContext *avctx) int ret = ff_hqx_init_vlcs(ctx); if (ret < 0) hqx_decode_close(avctx); + + ff_hqxdsp_init(&ctx->hqxdsp); + return ret; } -- cgit v1.2.3