From 8992cb1d0d07edc33d274f6d7924ecdf6f83d994 Mon Sep 17 00:00:00 2001 From: Tim Redfern Date: Thu, 5 Sep 2013 17:57:22 +0100 Subject: making act segmenter --- ffmpeg/libavcodec/dsputil.h | 336 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 336 insertions(+) create mode 100644 ffmpeg/libavcodec/dsputil.h (limited to 'ffmpeg/libavcodec/dsputil.h') diff --git a/ffmpeg/libavcodec/dsputil.h b/ffmpeg/libavcodec/dsputil.h new file mode 100644 index 0000000..75017ca --- /dev/null +++ b/ffmpeg/libavcodec/dsputil.h @@ -0,0 +1,336 @@ +/* + * 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 + * 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" +#include "rnd_avg.h" + + +//#define DEBUG + +/* 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 const uint8_t ff_cropTbl[256 + 2 * MAX_NEG_CROP]; + +void ff_put_pixels8x8_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride); +void ff_avg_pixels8x8_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride); +void ff_put_pixels16x16_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride); +void ff_avg_pixels16x16_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride); + +/* RV40 functions */ +void ff_put_rv40_qpel16_mc33_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride); +void ff_avg_rv40_qpel16_mc33_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride); +void ff_put_rv40_qpel8_mc33_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride); +void ff_avg_rv40_qpel8_mc33_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride); + +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 +*/ + +/* 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 than 4 +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*/, ptrdiff_t stride); + +typedef void (*op_fill_func)(uint8_t *block/*align width (8 or 16)*/, uint8_t value, int line_size, int h); + +#define DEF_OLD_QPEL(name)\ +void ff_put_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, ptrdiff_t stride);\ +void ff_put_no_rnd_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, ptrdiff_t stride);\ +void ff_avg_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, ptrdiff_t 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) + +/* motion estimation */ +// h is limited to {width/2, width, 2*width} but never larger than 16 and never smaller than 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))*/; + +/** + * Scantable. + */ +typedef struct ScanTable{ + const uint8_t *scantable; + uint8_t permutated[64]; + uint8_t raster_end[64]; +} ScanTable; + +void ff_init_scantable(uint8_t *, ScanTable *st, const uint8_t *src_scantable); +void ff_init_scantable_permutation(uint8_t *idct_permutation, + int idct_permutation_type); + +/** + * DSPContext. + */ +typedef struct DSPContext { + /* pixel ops : interface with DCT */ + void (*get_pixels)(int16_t *block/*align 16*/, const uint8_t *pixels/*align 8*/, int line_size); + void (*diff_pixels)(int16_t *block/*align 16*/, const uint8_t *s1/*align 8*/, const uint8_t *s2/*align 8*/, int stride); + void (*put_pixels_clamped)(const int16_t *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size); + void (*put_signed_pixels_clamped)(const int16_t *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size); + void (*add_pixels_clamped)(const int16_t *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size); + void (*add_pixels8)(uint8_t *pixels, int16_t *block, int line_size); + int (*sum_abs_dctelem)(int16_t *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)(int16_t *block/*align 16*/); + void (*clear_blocks)(int16_t *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); + + /** + * 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 put_mspel_pixels_tab[8]; + + 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 (*diff_bytes)(uint8_t *dst/*align 16*/, const uint8_t *src1/*align 16*/, const 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, const uint8_t *src1, const uint8_t *src2, int w, int *left, int *left_top); + void (*add_hfyu_median_prediction)(uint8_t *dst, const uint8_t *top, const uint8_t *diff, int w, int *left, int *left_top); + int (*add_hfyu_left_prediction)(uint8_t *dst, const uint8_t *src, int w, int left); + void (*add_hfyu_left_prediction_bgr32)(uint8_t *dst, const uint8_t *src, int w, int *red, int *green, int *blue, int *alpha); + /* this might write to dst[w] */ + void (*bswap_buf)(uint32_t *dst, const uint32_t *src, int w); + void (*bswap16_buf)(uint16_t *dst, const uint16_t *src, int len); + + 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); + + /* assume len is a multiple of 8, and arrays are 16-byte aligned */ + void (*vector_clipf)(float *dst /* align 16 */, const float *src /* align 16 */, float min, float max, int len /* align 16 */); + + /* (I)DCT */ + void (*fdct)(int16_t *block/* align 16*/); + void (*fdct248)(int16_t *block/* align 16*/); + + /* IDCT really*/ + void (*idct)(int16_t *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, int16_t *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, int16_t *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 -> reference dct -> reference idct -> x) + * - (x -> reference 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, int h, int sides); +#define EDGE_WIDTH 16 +#define EDGE_TOP 1 +#define EDGE_BOTTOM 2 + + void (*shrink[4])(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); + + /** + * Calculate scalar product of two vectors. + * @param len length of vectors, should be multiple of 16 + */ + int32_t (*scalarproduct_int16)(const int16_t *v1, const int16_t *v2/*align 16*/, int len); + /* ape functions */ + /** + * Calculate scalar product of v1 and v2, + * and v1[i] += v3[i] * mul + * @param len length of vectors, should be multiple of 16 + */ + int32_t (*scalarproduct_and_madd_int16)(int16_t *v1/*align 16*/, const int16_t *v2, const int16_t *v3, int len, int mul); + + /** + * Apply symmetric window in 16-bit fixed-point. + * @param output destination array + * constraints: 16-byte aligned + * @param input source array + * constraints: 16-byte aligned + * @param window window array + * constraints: 16-byte aligned, at least len/2 elements + * @param len full window length + * constraints: multiple of ? greater than zero + */ + void (*apply_window_int16)(int16_t *output, const int16_t *input, + const int16_t *window, unsigned int len); + + /** + * Clip each element in an array of int32_t to a given minimum and maximum value. + * @param dst destination array + * constraints: 16-byte aligned + * @param src source array + * constraints: 16-byte aligned + * @param min minimum value + * constraints: must be in the range [-(1 << 24), 1 << 24] + * @param max maximum value + * constraints: must be in the range [-(1 << 24), 1 << 24] + * @param len number of elements in the array + * constraints: multiple of 32 greater than zero + */ + void (*vector_clip_int32)(int32_t *dst, const int32_t *src, int32_t min, + int32_t max, unsigned int len); + + op_fill_func fill_block_tab[2]; +} DSPContext; + +void ff_dsputil_static_init(void); +void ff_dsputil_init(DSPContext* p, AVCodecContext *avctx); +attribute_deprecated void dsputil_init(DSPContext* c, AVCodecContext *avctx); + +int ff_check_alignment(void); + +void ff_set_cmp(DSPContext* c, me_cmp_func *cmp, int type); + +void ff_dsputil_init_alpha(DSPContext* c, AVCodecContext *avctx); +void ff_dsputil_init_arm(DSPContext* c, AVCodecContext *avctx); +void ff_dsputil_init_bfin(DSPContext* c, AVCodecContext *avctx); +void ff_dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx); +void ff_dsputil_init_ppc(DSPContext* c, AVCodecContext *avctx); +void ff_dsputil_init_sh4(DSPContext* c, AVCodecContext *avctx); +void ff_dsputil_init_vis(DSPContext* c, AVCodecContext *avctx); + +void ff_dsputil_init_dwt(DSPContext *c); + +#endif /* AVCODEC_DSPUTIL_H */ -- cgit v1.2.3