From 519adfbaae5933ec18d2e3cb77e690e36cd49916 Mon Sep 17 00:00:00 2001 From: Mohamed Tarek Date: Mon, 10 Aug 2009 14:46:31 +0000 Subject: Import libatrac from ffmpeg and modify librm to support ATRAC3. The decoder is still in floating point. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22235 a1c6a512-1295-4272-9138-f99709370657 --- apps/codecs/libatrac/dsputil.h | 898 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 898 insertions(+) create mode 100644 apps/codecs/libatrac/dsputil.h (limited to 'apps/codecs/libatrac/dsputil.h') diff --git a/apps/codecs/libatrac/dsputil.h b/apps/codecs/libatrac/dsputil.h new file mode 100644 index 0000000000..3bb0ff77a5 --- /dev/null +++ b/apps/codecs/libatrac/dsputil.h @@ -0,0 +1,898 @@ +/* + * DSP utils + * Copyright (c) 2000, 2001, 2002 Fabrice Bellard + * Copyright (c) 2002-2004 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file libavcodec/dsputil.h + * DSP utils. + * note, many functions in here may use MMX which trashes the FPU state, it is + * absolutely necessary to call emms_c() between dsp & float/double code + */ + +#ifndef AVCODEC_DSPUTIL_H +#define AVCODEC_DSPUTIL_H + +#include "libavutil/intreadwrite.h" +#include "avcodec.h" + + +//#define DEBUG +/* dct code */ +typedef short DCTELEM; +typedef int DWTELEM; +typedef short IDWTELEM; + +void fdct_ifast (DCTELEM *data); +void fdct_ifast248 (DCTELEM *data); +void ff_jpeg_fdct_islow (DCTELEM *data); +void ff_fdct248_islow (DCTELEM *data); + +void j_rev_dct (DCTELEM *data); +void j_rev_dct4 (DCTELEM *data); +void j_rev_dct2 (DCTELEM *data); +void j_rev_dct1 (DCTELEM *data); +void ff_wmv2_idct_c(DCTELEM *data); + +void ff_fdct_mmx(DCTELEM *block); +void ff_fdct_mmx2(DCTELEM *block); +void ff_fdct_sse2(DCTELEM *block); + +void ff_h264_idct8_add_c(uint8_t *dst, DCTELEM *block, int stride); +void ff_h264_idct_add_c(uint8_t *dst, DCTELEM *block, int stride); +void ff_h264_idct8_dc_add_c(uint8_t *dst, DCTELEM *block, int stride); +void ff_h264_idct_dc_add_c(uint8_t *dst, DCTELEM *block, int stride); +void ff_h264_lowres_idct_add_c(uint8_t *dst, int stride, DCTELEM *block); +void ff_h264_lowres_idct_put_c(uint8_t *dst, int stride, DCTELEM *block); +void ff_h264_idct_add16_c(uint8_t *dst, const int *blockoffset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]); +void ff_h264_idct_add16intra_c(uint8_t *dst, const int *blockoffset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]); +void ff_h264_idct8_add4_c(uint8_t *dst, const int *blockoffset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]); +void ff_h264_idct_add8_c(uint8_t **dest, const int *blockoffset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]); + +void ff_vector_fmul_add_add_c(float *dst, const float *src0, const float *src1, + const float *src2, int src3, int blocksize, int step); +void ff_vector_fmul_window_c(float *dst, const float *src0, const float *src1, + const float *win, float add_bias, int len); +void ff_float_to_int16_c(int16_t *dst, const float *src, long len); +void ff_float_to_int16_interleave_c(int16_t *dst, const float **src, long len, int channels); + +/* encoding scans */ +extern const uint8_t ff_alternate_horizontal_scan[64]; +extern const uint8_t ff_alternate_vertical_scan[64]; +extern const uint8_t ff_zigzag_direct[64]; +extern const uint8_t ff_zigzag248_direct[64]; + +/* pixel operations */ +#define MAX_NEG_CROP 1024 + +/* temporary */ +extern uint32_t ff_squareTbl[512]; +extern uint8_t ff_cropTbl[256 + 2 * MAX_NEG_CROP]; + +/* VP3 DSP functions */ +void ff_vp3_idct_c(DCTELEM *block/* align 16*/); +void ff_vp3_idct_put_c(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/); +void ff_vp3_idct_add_c(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/); + +void ff_vp3_v_loop_filter_c(uint8_t *src, int stride, int *bounding_values); +void ff_vp3_h_loop_filter_c(uint8_t *src, int stride, int *bounding_values); + +/* VP6 DSP functions */ +void ff_vp6_filter_diag4_c(uint8_t *dst, uint8_t *src, int stride, + const int16_t *h_weights, const int16_t *v_weights); + +/* 1/2^n downscaling functions from imgconvert.c */ +void ff_img_copy_plane(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); +void ff_shrink22(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); +void ff_shrink44(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); +void ff_shrink88(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); + +void ff_gmc_c(uint8_t *dst, uint8_t *src, int stride, int h, int ox, int oy, + int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height); + +/* minimum alignment rules ;) +If you notice errors in the align stuff, need more alignment for some ASM code +for some CPU or need to use a function with less aligned data then send a mail +to the ffmpeg-devel mailing list, ... + +!warning These alignments might not match reality, (missing attribute((align)) +stuff somewhere possible). +I (Michael) did not check them, these are just the alignments which I think +could be reached easily ... + +!future video codecs might need functions with less strict alignment +*/ + +/* +void get_pixels_c(DCTELEM *block, const uint8_t *pixels, int line_size); +void diff_pixels_c(DCTELEM *block, const uint8_t *s1, const uint8_t *s2, int stride); +void put_pixels_clamped_c(const DCTELEM *block, uint8_t *pixels, int line_size); +void add_pixels_clamped_c(const DCTELEM *block, uint8_t *pixels, int line_size); +void clear_blocks_c(DCTELEM *blocks); +*/ + +/* add and put pixel (decoding) */ +// blocksizes for op_pixels_func are 8x4,8x8 16x8 16x16 +//h for op_pixels_func is limited to {width/2, width} but never larger than 16 and never smaller then 4 +typedef void (*op_pixels_func)(uint8_t *block/*align width (8 or 16)*/, const uint8_t *pixels/*align 1*/, int line_size, int h); +typedef void (*tpel_mc_func)(uint8_t *block/*align width (8 or 16)*/, const uint8_t *pixels/*align 1*/, int line_size, int w, int h); +typedef void (*qpel_mc_func)(uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride); +typedef void (*h264_chroma_mc_func)(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int srcStride, int h, int x, int y); +typedef void (*h264_weight_func)(uint8_t *block, int stride, int log2_denom, int weight, int offset); +typedef void (*h264_biweight_func)(uint8_t *dst, uint8_t *src, int stride, int log2_denom, int weightd, int weights, int offset); + +#define DEF_OLD_QPEL(name)\ +void ff_put_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride);\ +void ff_put_no_rnd_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride);\ +void ff_avg_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride); + +DEF_OLD_QPEL(qpel16_mc11_old_c) +DEF_OLD_QPEL(qpel16_mc31_old_c) +DEF_OLD_QPEL(qpel16_mc12_old_c) +DEF_OLD_QPEL(qpel16_mc32_old_c) +DEF_OLD_QPEL(qpel16_mc13_old_c) +DEF_OLD_QPEL(qpel16_mc33_old_c) +DEF_OLD_QPEL(qpel8_mc11_old_c) +DEF_OLD_QPEL(qpel8_mc31_old_c) +DEF_OLD_QPEL(qpel8_mc12_old_c) +DEF_OLD_QPEL(qpel8_mc32_old_c) +DEF_OLD_QPEL(qpel8_mc13_old_c) +DEF_OLD_QPEL(qpel8_mc33_old_c) + +#define CALL_2X_PIXELS(a, b, n)\ +static void a(uint8_t *block, const uint8_t *pixels, int line_size, int h){\ + b(block , pixels , line_size, h);\ + b(block+n, pixels+n, line_size, h);\ +} + +/* motion estimation */ +// h is limited to {width/2, width, 2*width} but never larger than 16 and never smaller then 2 +// although currently h<4 is not used as functions with width <8 are neither used nor implemented +typedef int (*me_cmp_func)(void /*MpegEncContext*/ *s, uint8_t *blk1/*align width (8 or 16)*/, uint8_t *blk2/*align 1*/, int line_size, int h)/* __attribute__ ((const))*/; + + +// for snow slices +typedef struct slice_buffer_s slice_buffer; + +/** + * Scantable. + */ +typedef struct ScanTable{ + const uint8_t *scantable; + uint8_t permutated[64]; + uint8_t raster_end[64]; +#if ARCH_PPC + /** Used by dct_quantize_altivec to find last-non-zero */ + DECLARE_ALIGNED(16, uint8_t, inverse[64]); +#endif +} ScanTable; + +void ff_init_scantable(uint8_t *, ScanTable *st, const uint8_t *src_scantable); + +void ff_emulated_edge_mc(uint8_t *buf, uint8_t *src, int linesize, + int block_w, int block_h, + int src_x, int src_y, int w, int h); + +/** + * DSPContext. + */ +typedef struct DSPContext { + /* pixel ops : interface with DCT */ + void (*get_pixels)(DCTELEM *block/*align 16*/, const uint8_t *pixels/*align 8*/, int line_size); + void (*diff_pixels)(DCTELEM *block/*align 16*/, const uint8_t *s1/*align 8*/, const uint8_t *s2/*align 8*/, int stride); + void (*put_pixels_clamped)(const DCTELEM *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size); + void (*put_signed_pixels_clamped)(const DCTELEM *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size); + void (*add_pixels_clamped)(const DCTELEM *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size); + void (*add_pixels8)(uint8_t *pixels, DCTELEM *block, int line_size); + void (*add_pixels4)(uint8_t *pixels, DCTELEM *block, int line_size); + int (*sum_abs_dctelem)(DCTELEM *block/*align 16*/); + /** + * translational global motion compensation. + */ + void (*gmc1)(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int srcStride, int h, int x16, int y16, int rounder); + /** + * global motion compensation. + */ + void (*gmc )(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int ox, int oy, + int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height); + void (*clear_block)(DCTELEM *block/*align 16*/); + void (*clear_blocks)(DCTELEM *blocks/*align 16*/); + int (*pix_sum)(uint8_t * pix, int line_size); + int (*pix_norm1)(uint8_t * pix, int line_size); +// 16x16 8x8 4x4 2x2 16x8 8x4 4x2 8x16 4x8 2x4 + + me_cmp_func sad[6]; /* identical to pix_absAxA except additional void * */ + me_cmp_func sse[6]; + me_cmp_func hadamard8_diff[6]; + me_cmp_func dct_sad[6]; + me_cmp_func quant_psnr[6]; + me_cmp_func bit[6]; + me_cmp_func rd[6]; + me_cmp_func vsad[6]; + me_cmp_func vsse[6]; + me_cmp_func nsse[6]; + me_cmp_func w53[6]; + me_cmp_func w97[6]; + me_cmp_func dct_max[6]; + me_cmp_func dct264_sad[6]; + + me_cmp_func me_pre_cmp[6]; + me_cmp_func me_cmp[6]; + me_cmp_func me_sub_cmp[6]; + me_cmp_func mb_cmp[6]; + me_cmp_func ildct_cmp[6]; //only width 16 used + me_cmp_func frame_skip_cmp[6]; //only width 8 used + + int (*ssd_int8_vs_int16)(const int8_t *pix1, const int16_t *pix2, + int size); + + /** + * Halfpel motion compensation with rounding (a+b+1)>>1. + * this is an array[4][4] of motion compensation functions for 4 + * horizontal blocksizes (8,16) and the 4 halfpel positions
+ * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ] + * @param block destination where the result is stored + * @param pixels source + * @param line_size number of bytes in a horizontal line of block + * @param h height + */ + op_pixels_func put_pixels_tab[4][4]; + + /** + * Halfpel motion compensation with rounding (a+b+1)>>1. + * This is an array[4][4] of motion compensation functions for 4 + * horizontal blocksizes (8,16) and the 4 halfpel positions
+ * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ] + * @param block destination into which the result is averaged (a+b+1)>>1 + * @param pixels source + * @param line_size number of bytes in a horizontal line of block + * @param h height + */ + op_pixels_func avg_pixels_tab[4][4]; + + /** + * Halfpel motion compensation with no rounding (a+b)>>1. + * this is an array[2][4] of motion compensation functions for 2 + * horizontal blocksizes (8,16) and the 4 halfpel positions
+ * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ] + * @param block destination where the result is stored + * @param pixels source + * @param line_size number of bytes in a horizontal line of block + * @param h height + */ + op_pixels_func put_no_rnd_pixels_tab[4][4]; + + /** + * Halfpel motion compensation with no rounding (a+b)>>1. + * this is an array[2][4] of motion compensation functions for 2 + * horizontal blocksizes (8,16) and the 4 halfpel positions
+ * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ] + * @param block destination into which the result is averaged (a+b)>>1 + * @param pixels source + * @param line_size number of bytes in a horizontal line of block + * @param h height + */ + op_pixels_func avg_no_rnd_pixels_tab[4][4]; + + void (*put_no_rnd_pixels_l2[2])(uint8_t *block/*align width (8 or 16)*/, const uint8_t *a/*align 1*/, const uint8_t *b/*align 1*/, int line_size, int h); + + /** + * Thirdpel motion compensation with rounding (a+b+1)>>1. + * this is an array[12] of motion compensation functions for the 9 thirdpe + * positions
+ * *pixels_tab[ xthirdpel + 4*ythirdpel ] + * @param block destination where the result is stored + * @param pixels source + * @param line_size number of bytes in a horizontal line of block + * @param h height + */ + tpel_mc_func put_tpel_pixels_tab[11]; //FIXME individual func ptr per width? + tpel_mc_func avg_tpel_pixels_tab[11]; //FIXME individual func ptr per width? + + qpel_mc_func put_qpel_pixels_tab[2][16]; + qpel_mc_func avg_qpel_pixels_tab[2][16]; + qpel_mc_func put_no_rnd_qpel_pixels_tab[2][16]; + qpel_mc_func avg_no_rnd_qpel_pixels_tab[2][16]; + qpel_mc_func put_mspel_pixels_tab[8]; + + /** + * h264 Chroma MC + */ + h264_chroma_mc_func put_h264_chroma_pixels_tab[3]; + /* This is really one func used in VC-1 decoding */ + h264_chroma_mc_func put_no_rnd_h264_chroma_pixels_tab[3]; + h264_chroma_mc_func avg_h264_chroma_pixels_tab[3]; + + qpel_mc_func put_h264_qpel_pixels_tab[4][16]; + qpel_mc_func avg_h264_qpel_pixels_tab[4][16]; + + qpel_mc_func put_2tap_qpel_pixels_tab[4][16]; + qpel_mc_func avg_2tap_qpel_pixels_tab[4][16]; + + h264_weight_func weight_h264_pixels_tab[10]; + h264_biweight_func biweight_h264_pixels_tab[10]; + + /* AVS specific */ + qpel_mc_func put_cavs_qpel_pixels_tab[2][16]; + qpel_mc_func avg_cavs_qpel_pixels_tab[2][16]; + void (*cavs_filter_lv)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2); + void (*cavs_filter_lh)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2); + void (*cavs_filter_cv)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2); + void (*cavs_filter_ch)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2); + void (*cavs_idct8_add)(uint8_t *dst, DCTELEM *block, int stride); + + me_cmp_func pix_abs[2][4]; + + /* huffyuv specific */ + void (*add_bytes)(uint8_t *dst/*align 16*/, uint8_t *src/*align 16*/, int w); + void (*add_bytes_l2)(uint8_t *dst/*align 16*/, uint8_t *src1/*align 16*/, uint8_t *src2/*align 16*/, int w); + void (*diff_bytes)(uint8_t *dst/*align 16*/, uint8_t *src1/*align 16*/, uint8_t *src2/*align 1*/,int w); + /** + * subtract huffyuv's variant of median prediction + * note, this might read from src1[-1], src2[-1] + */ + void (*sub_hfyu_median_prediction)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w, int *left, int *left_top); + void (*add_hfyu_median_prediction)(uint8_t *dst, uint8_t *top, uint8_t *diff, int w, int *left, int *left_top); + /* this might write to dst[w] */ + void (*add_png_paeth_prediction)(uint8_t *dst, uint8_t *src, uint8_t *top, int w, int bpp); + void (*bswap_buf)(uint32_t *dst, const uint32_t *src, int w); + + void (*h264_v_loop_filter_luma)(uint8_t *pix/*align 16*/, int stride, int alpha, int beta, int8_t *tc0); + void (*h264_h_loop_filter_luma)(uint8_t *pix/*align 4 */, int stride, int alpha, int beta, int8_t *tc0); + /* v/h_loop_filter_luma_intra: align 16 */ + void (*h264_v_loop_filter_luma_intra)(uint8_t *pix, int stride, int alpha, int beta); + void (*h264_h_loop_filter_luma_intra)(uint8_t *pix, int stride, int alpha, int beta); + void (*h264_v_loop_filter_chroma)(uint8_t *pix/*align 8*/, int stride, int alpha, int beta, int8_t *tc0); + void (*h264_h_loop_filter_chroma)(uint8_t *pix/*align 4*/, int stride, int alpha, int beta, int8_t *tc0); + void (*h264_v_loop_filter_chroma_intra)(uint8_t *pix/*align 8*/, int stride, int alpha, int beta); + void (*h264_h_loop_filter_chroma_intra)(uint8_t *pix/*align 8*/, int stride, int alpha, int beta); + // h264_loop_filter_strength: simd only. the C version is inlined in h264.c + void (*h264_loop_filter_strength)(int16_t bS[2][4][4], uint8_t nnz[40], int8_t ref[2][40], int16_t mv[2][40][2], + int bidir, int edges, int step, int mask_mv0, int mask_mv1, int field); + + void (*h263_v_loop_filter)(uint8_t *src, int stride, int qscale); + void (*h263_h_loop_filter)(uint8_t *src, int stride, int qscale); + + void (*h261_loop_filter)(uint8_t *src, int stride); + + void (*x8_v_loop_filter)(uint8_t *src, int stride, int qscale); + void (*x8_h_loop_filter)(uint8_t *src, int stride, int qscale); + + void (*vp3_v_loop_filter)(uint8_t *src, int stride, int *bounding_values); + void (*vp3_h_loop_filter)(uint8_t *src, int stride, int *bounding_values); + + void (*vp6_filter_diag4)(uint8_t *dst, uint8_t *src, int stride, + const int16_t *h_weights,const int16_t *v_weights); + + /* assume len is a multiple of 4, and arrays are 16-byte aligned */ + void (*vorbis_inverse_coupling)(float *mag, float *ang, int blocksize); + void (*ac3_downmix)(float (*samples)[256], float (*matrix)[2], int out_ch, int in_ch, int len); + /* no alignment needed */ + void (*flac_compute_autocorr)(const int32_t *data, int len, int lag, double *autoc); + /* assume len is a multiple of 8, and arrays are 16-byte aligned */ + void (*vector_fmul)(float *dst, const float *src, int len); + void (*vector_fmul_reverse)(float *dst, const float *src0, const float *src1, int len); + /* assume len is a multiple of 8, and src arrays are 16-byte aligned */ + void (*vector_fmul_add_add)(float *dst, const float *src0, const float *src1, const float *src2, int src3, int len, int step); + /* assume len is a multiple of 4, and arrays are 16-byte aligned */ + void (*vector_fmul_window)(float *dst, const float *src0, const float *src1, const float *win, float add_bias, int len); + /* assume len is a multiple of 8, and arrays are 16-byte aligned */ + void (*int32_to_float_fmul_scalar)(float *dst, const int *src, float mul, int len); + + /* C version: convert floats from the range [384.0,386.0] to ints in [-32768,32767] + * simd versions: convert floats from [-32768.0,32767.0] without rescaling and arrays are 16byte aligned */ + void (*float_to_int16)(int16_t *dst, const float *src, long len); + void (*float_to_int16_interleave)(int16_t *dst, const float **src, long len, int channels); + + /* (I)DCT */ + void (*fdct)(DCTELEM *block/* align 16*/); + void (*fdct248)(DCTELEM *block/* align 16*/); + + /* IDCT really*/ + void (*idct)(DCTELEM *block/* align 16*/); + + /** + * block -> idct -> clip to unsigned 8 bit -> dest. + * (-1392, 0, 0, ...) -> idct -> (-174, -174, ...) -> put -> (0, 0, ...) + * @param line_size size in bytes of a horizontal line of dest + */ + void (*idct_put)(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/); + + /** + * block -> idct -> add dest -> clip to unsigned 8 bit -> dest. + * @param line_size size in bytes of a horizontal line of dest + */ + void (*idct_add)(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/); + + /** + * idct input permutation. + * several optimized IDCTs need a permutated input (relative to the normal order of the reference + * IDCT) + * this permutation must be performed before the idct_put/add, note, normally this can be merged + * with the zigzag/alternate scan
+ * an example to avoid confusion: + * - (->decode coeffs -> zigzag reorder -> dequant -> reference idct ->...) + * - (x -> referece dct -> reference idct -> x) + * - (x -> referece dct -> simple_mmx_perm = idct_permutation -> simple_idct_mmx -> x) + * - (->decode coeffs -> zigzag reorder -> simple_mmx_perm -> dequant -> simple_idct_mmx ->...) + */ + uint8_t idct_permutation[64]; + int idct_permutation_type; +#define FF_NO_IDCT_PERM 1 +#define FF_LIBMPEG2_IDCT_PERM 2 +#define FF_SIMPLE_IDCT_PERM 3 +#define FF_TRANSPOSE_IDCT_PERM 4 +#define FF_PARTTRANS_IDCT_PERM 5 +#define FF_SSE2_IDCT_PERM 6 + + int (*try_8x8basis)(int16_t rem[64], int16_t weight[64], int16_t basis[64], int scale); + void (*add_8x8basis)(int16_t rem[64], int16_t basis[64], int scale); +#define BASIS_SHIFT 16 +#define RECON_SHIFT 6 + + void (*draw_edges)(uint8_t *buf, int wrap, int width, int height, int w); +#define EDGE_WIDTH 16 + + /* h264 functions */ + /* NOTE!!! if you implement any of h264_idct8_add, h264_idct8_add4 then you must implement all of them + NOTE!!! if you implement any of h264_idct_add, h264_idct_add16, h264_idct_add16intra, h264_idct_add8 then you must implement all of them + The reason for above, is that no 2 out of one list may use a different permutation. + */ + void (*h264_idct_add)(uint8_t *dst/*align 4*/, DCTELEM *block/*align 16*/, int stride); + void (*h264_idct8_add)(uint8_t *dst/*align 8*/, DCTELEM *block/*align 16*/, int stride); + void (*h264_idct_dc_add)(uint8_t *dst/*align 4*/, DCTELEM *block/*align 16*/, int stride); + void (*h264_idct8_dc_add)(uint8_t *dst/*align 8*/, DCTELEM *block/*align 16*/, int stride); + void (*h264_dct)(DCTELEM block[4][4]); + void (*h264_idct_add16)(uint8_t *dst/*align 16*/, const int *blockoffset, DCTELEM *block/*align 16*/, int stride, const uint8_t nnzc[6*8]); + void (*h264_idct8_add4)(uint8_t *dst/*align 16*/, const int *blockoffset, DCTELEM *block/*align 16*/, int stride, const uint8_t nnzc[6*8]); + void (*h264_idct_add8)(uint8_t **dst/*align 16*/, const int *blockoffset, DCTELEM *block/*align 16*/, int stride, const uint8_t nnzc[6*8]); + void (*h264_idct_add16intra)(uint8_t *dst/*align 16*/, const int *blockoffset, DCTELEM *block/*align 16*/, int stride, const uint8_t nnzc[6*8]); + + /* snow wavelet */ + void (*vertical_compose97i)(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width); + void (*horizontal_compose97i)(IDWTELEM *b, int width); + void (*inner_add_yblock)(const uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h, int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8); + + void (*prefetch)(void *mem, int stride, int h); + + void (*shrink[4])(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); + + /* vc1 functions */ + void (*vc1_inv_trans_8x8)(DCTELEM *b); + 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); + void (*vc1_v_overlap)(uint8_t* src, int stride); + void (*vc1_h_overlap)(uint8_t* src, int stride); + /* put 8x8 block with bicubic interpolation and quarterpel precision + * last argument is actually round value instead of height + */ + op_pixels_func put_vc1_mspel_pixels_tab[16]; + + /* intrax8 functions */ + void (*x8_spatial_compensation[12])(uint8_t *src , uint8_t *dst, int linesize); + void (*x8_setup_spatial_compensation)(uint8_t *src, uint8_t *dst, int linesize, + int * range, int * sum, int edges); + + /* ape functions */ + /** + * Add contents of the second vector to the first one. + * @param len length of vectors, should be multiple of 16 + */ + void (*add_int16)(int16_t *v1/*align 16*/, int16_t *v2, int len); + /** + * Add contents of the second vector to the first one. + * @param len length of vectors, should be multiple of 16 + */ + void (*sub_int16)(int16_t *v1/*align 16*/, int16_t *v2, int len); + /** + * Calculate scalar product of two vectors. + * @param len length of vectors, should be multiple of 16 + * @param shift number of bits to discard from product + */ + int32_t (*scalarproduct_int16)(int16_t *v1, int16_t *v2/*align 16*/, int len, int shift); + + /* rv30 functions */ + qpel_mc_func put_rv30_tpel_pixels_tab[4][16]; + qpel_mc_func avg_rv30_tpel_pixels_tab[4][16]; + + /* rv40 functions */ + qpel_mc_func put_rv40_qpel_pixels_tab[4][16]; + qpel_mc_func avg_rv40_qpel_pixels_tab[4][16]; + h264_chroma_mc_func put_rv40_chroma_pixels_tab[3]; + h264_chroma_mc_func avg_rv40_chroma_pixels_tab[3]; +} DSPContext; + +void dsputil_static_init(void); +void dsputil_init(DSPContext* p); + +int ff_check_alignment(void); + +/** + * permute block according to permuatation. + * @param last last non zero element in scantable order + */ +void ff_block_permute(DCTELEM *block, uint8_t *permutation, const uint8_t *scantable, int last); + +void ff_set_cmp(DSPContext* c, me_cmp_func *cmp, int type); + +#define BYTE_VEC32(c) ((c)*0x01010101UL) + +static inline uint32_t rnd_avg32(uint32_t a, uint32_t b) +{ + return (a | b) - (((a ^ b) & ~BYTE_VEC32(0x01)) >> 1); +} + +static inline uint32_t no_rnd_avg32(uint32_t a, uint32_t b) +{ + return (a & b) + (((a ^ b) & ~BYTE_VEC32(0x01)) >> 1); +} + +static inline int get_penalty_factor(int lambda, int lambda2, int type){ + switch(type&0xFF){ + default: + case FF_CMP_SAD: + return lambda>>FF_LAMBDA_SHIFT; + case FF_CMP_DCT: + return (3*lambda)>>(FF_LAMBDA_SHIFT+1); + case FF_CMP_W53: + return (4*lambda)>>(FF_LAMBDA_SHIFT); + case FF_CMP_W97: + return (2*lambda)>>(FF_LAMBDA_SHIFT); + case FF_CMP_SATD: + case FF_CMP_DCT264: + return (2*lambda)>>FF_LAMBDA_SHIFT; + case FF_CMP_RD: + case FF_CMP_PSNR: + case FF_CMP_SSE: + case FF_CMP_NSSE: + return lambda2>>FF_LAMBDA_SHIFT; + case FF_CMP_BIT: + return 1; + } +} + +/** + * Empty mmx state. + * this must be called between any dsp function and float/double code. + * for example sin(); dsp->idct_put(); emms_c(); cos() + */ +#define emms_c() + +/* should be defined by architectures supporting + one or more MultiMedia extension */ +int mm_support(void); + +void dsputil_init_alpha(DSPContext* c, AVCodecContext *avctx); +void dsputil_init_arm(DSPContext* c, AVCodecContext *avctx); +void dsputil_init_bfin(DSPContext* c, AVCodecContext *avctx); +void dsputil_init_mlib(DSPContext* c, AVCodecContext *avctx); +void dsputil_init_mmi(DSPContext* c, AVCodecContext *avctx); +void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx); +void dsputil_init_ppc(DSPContext* c, AVCodecContext *avctx); +void dsputil_init_sh4(DSPContext* c, AVCodecContext *avctx); +void dsputil_init_vis(DSPContext* c, AVCodecContext *avctx); + +#define DECLARE_ALIGNED_16(t, v) DECLARE_ALIGNED(16, t, v) + +#if HAVE_MMX + +#undef emms_c + +extern int mm_flags; + +void add_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size); +void put_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size); +void put_signed_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size); + +static inline void emms(void) +{ + __asm__ volatile ("emms;":::"memory"); +} + + +#define emms_c() \ +{\ + if (mm_flags & FF_MM_MMX)\ + emms();\ +} + +void dsputil_init_pix_mmx(DSPContext* c, AVCodecContext *avctx); + +#elif ARCH_ARM + +extern int mm_flags; + +#if HAVE_NEON +# define DECLARE_ALIGNED_8(t, v) DECLARE_ALIGNED(16, t, v) +# define STRIDE_ALIGN 16 +#endif + +#elif ARCH_PPC + +extern int mm_flags; + +#define DECLARE_ALIGNED_8(t, v) DECLARE_ALIGNED(16, t, v) +#define STRIDE_ALIGN 16 + +#elif HAVE_MMI + +#define DECLARE_ALIGNED_8(t, v) DECLARE_ALIGNED(16, t, v) +#define STRIDE_ALIGN 16 + +#else + +#define mm_flags 0 +#define mm_support() 0 + +#endif + +#ifndef DECLARE_ALIGNED_8 +# define DECLARE_ALIGNED_8(t, v) DECLARE_ALIGNED(8, t, v) +#endif + +#ifndef STRIDE_ALIGN +# define STRIDE_ALIGN 8 +#endif + +/* PSNR */ +void get_psnr(uint8_t *orig_image[3], uint8_t *coded_image[3], + int orig_linesize[3], int coded_linesize, + AVCodecContext *avctx); + +/* FFT computation */ + +/* NOTE: soon integer code will be added, so you must use the + FFTSample type */ +typedef float FFTSample; + +struct MDCTContext; + +typedef struct FFTComplex { + FFTSample re, im; +} FFTComplex; + +typedef struct FFTContext { + int nbits; + int inverse; + uint16_t *revtab; + FFTComplex *exptab; + FFTComplex *exptab1; /* only used by SSE code */ + FFTComplex *tmp_buf; + void (*fft_permute)(struct FFTContext *s, FFTComplex *z); + void (*fft_calc)(struct FFTContext *s, FFTComplex *z); + void (*imdct_calc)(struct MDCTContext *s, FFTSample *output, const FFTSample *input); + void (*imdct_half)(struct MDCTContext *s, FFTSample *output, const FFTSample *input); +} FFTContext; + +extern FFTSample* ff_cos_tabs[13]; + +/** + * Sets up a complex FFT. + * @param nbits log2 of the length of the input array + * @param inverse if 0 perform the forward transform, if 1 perform the inverse + */ +int ff_fft_init(FFTContext *s, int nbits, int inverse); +void ff_fft_permute_c(FFTContext *s, FFTComplex *z); +void ff_fft_permute_sse(FFTContext *s, FFTComplex *z); +void ff_fft_calc_c(FFTContext *s, FFTComplex *z); +void ff_fft_calc_sse(FFTContext *s, FFTComplex *z); +void ff_fft_calc_3dn(FFTContext *s, FFTComplex *z); +void ff_fft_calc_3dn2(FFTContext *s, FFTComplex *z); +void ff_fft_calc_altivec(FFTContext *s, FFTComplex *z); + +/** + * Do the permutation needed BEFORE calling ff_fft_calc(). + */ +static inline void ff_fft_permute(FFTContext *s, FFTComplex *z) +{ + s->fft_permute(s, z); +} +/** + * Do a complex FFT with the parameters defined in ff_fft_init(). The + * input data must be permuted before. No 1.0/sqrt(n) normalization is done. + */ +static inline void ff_fft_calc(FFTContext *s, FFTComplex *z) +{ + s->fft_calc(s, z); +} +void ff_fft_end(FFTContext *s); + +/* MDCT computation */ + +typedef struct MDCTContext { + int n; /* size of MDCT (i.e. number of input data * 2) */ + int nbits; /* n = 2^nbits */ + /* pre/post rotation tables */ + FFTSample *tcos; + FFTSample *tsin; + FFTContext fft; +} MDCTContext; + +static inline void ff_imdct_calc(MDCTContext *s, FFTSample *output, const FFTSample *input) +{ + s->fft.imdct_calc(s, output, input); +} +static inline void ff_imdct_half(MDCTContext *s, FFTSample *output, const FFTSample *input) +{ + s->fft.imdct_half(s, output, input); +} + +/** + * Generate a Kaiser-Bessel Derived Window. + * @param window pointer to half window + * @param alpha determines window shape + * @param n size of half window + */ +void ff_kbd_window_init(float *window, float alpha, int n); + +/** + * Generate a sine window. + * @param window pointer to half window + * @param n size of half window + */ +void ff_sine_window_init(float *window, int n); +extern float ff_sine_128 [ 128]; +extern float ff_sine_256 [ 256]; +extern float ff_sine_512 [ 512]; +extern float ff_sine_1024[1024]; +extern float ff_sine_2048[2048]; +extern float ff_sine_4096[4096]; +extern float *ff_sine_windows[6]; + +int ff_mdct_init(MDCTContext *s, int nbits, int inverse); +void ff_imdct_calc_c(MDCTContext *s, FFTSample *output, const FFTSample *input); +void ff_imdct_half_c(MDCTContext *s, FFTSample *output, const FFTSample *input); +void ff_imdct_calc_3dn(MDCTContext *s, FFTSample *output, const FFTSample *input); +void ff_imdct_half_3dn(MDCTContext *s, FFTSample *output, const FFTSample *input); +void ff_imdct_calc_3dn2(MDCTContext *s, FFTSample *output, const FFTSample *input); +void ff_imdct_half_3dn2(MDCTContext *s, FFTSample *output, const FFTSample *input); +void ff_imdct_calc_sse(MDCTContext *s, FFTSample *output, const FFTSample *input); +void ff_imdct_half_sse(MDCTContext *s, FFTSample *output, const FFTSample *input); +void ff_mdct_calc(MDCTContext *s, FFTSample *out, const FFTSample *input); +void ff_mdct_end(MDCTContext *s); + +/* Real Discrete Fourier Transform */ + +enum RDFTransformType { + RDFT, + IRDFT, + RIDFT, + IRIDFT, +}; + +typedef struct { + int nbits; + int inverse; + int sign_convention; + + /* pre/post rotation tables */ + FFTSample *tcos; + FFTSample *tsin; + FFTContext fft; +} RDFTContext; + +/** + * Sets up a real FFT. + * @param nbits log2 of the length of the input array + * @param trans the type of transform + */ +int ff_rdft_init(RDFTContext *s, int nbits, enum RDFTransformType trans); +void ff_rdft_calc(RDFTContext *s, FFTSample *data); +void ff_rdft_end(RDFTContext *s); + +#define WRAPPER8_16(name8, name16)\ +static int name16(void /*MpegEncContext*/ *s, uint8_t *dst, uint8_t *src, int stride, int h){\ + return name8(s, dst , src , stride, h)\ + +name8(s, dst+8 , src+8 , stride, h);\ +} + +#define WRAPPER8_16_SQ(name8, name16)\ +static int name16(void /*MpegEncContext*/ *s, uint8_t *dst, uint8_t *src, int stride, int h){\ + int score=0;\ + score +=name8(s, dst , src , stride, 8);\ + score +=name8(s, dst+8 , src+8 , stride, 8);\ + if(h==16){\ + dst += 8*stride;\ + src += 8*stride;\ + score +=name8(s, dst , src , stride, 8);\ + score +=name8(s, dst+8 , src+8 , stride, 8);\ + }\ + return score;\ +} + + +static inline void copy_block2(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h) +{ + int i; + for(i=0; i