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authorMichael Giacomelli <giac2000@hotmail.com>2009-05-10 23:18:04 +0000
committerMichael Giacomelli <giac2000@hotmail.com>2009-05-10 23:18:04 +0000
commit65649de515257493dd1b8db599201097208677bb (patch)
tree23dcc4b3ae9c156568d29f90dc5fd0f2f951b21d /apps/codecs/libcook
parentfc28cb4ed5adf4a0bc548af38ca6de95bbf027e5 (diff)
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Patch by Mohamed Tarek from FS #10182. Remove floating point code (FFT, MDCT, etc) from libcook.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20902 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/codecs/libcook')
-rw-r--r--apps/codecs/libcook/Makefile.test2
-rw-r--r--apps/codecs/libcook/cook.c267
-rw-r--r--apps/codecs/libcook/cook.h17
-rw-r--r--apps/codecs/libcook/dsputil.h908
-rw-r--r--apps/codecs/libcook/fft.c374
-rw-r--r--apps/codecs/libcook/main.c2
-rw-r--r--apps/codecs/libcook/mdct.c229
7 files changed, 2 insertions, 1797 deletions
diff --git a/apps/codecs/libcook/Makefile.test b/apps/codecs/libcook/Makefile.test
index 5b60ca3..d992ece 100644
--- a/apps/codecs/libcook/Makefile.test
+++ b/apps/codecs/libcook/Makefile.test
@@ -1,5 +1,5 @@
CFLAGS = -Wall -O3
-OBJS = main.o bitstream.o cook.o fft.o libavutil/log.o mdct.o libavutil/mem.o libavutil/lfg.o libavutil/md5.o rm2wav.o
+OBJS = main.o bitstream.o cook.o libavutil/log.o libavutil/mem.o libavutil/lfg.o libavutil/md5.o rm2wav.o
cooktest: $(OBJS)
gcc -o cooktest $(OBJS) -lm
diff --git a/apps/codecs/libcook/cook.c b/apps/codecs/libcook/cook.c
index 8bb3b5a..bd72179 100644
--- a/apps/codecs/libcook/cook.c
+++ b/apps/codecs/libcook/cook.c
@@ -71,23 +71,11 @@ const uint8_t ff_log2_tab[256]={
#define MAX_SUBPACKETS 5
//#define COOKDEBUG
#define DEBUGF(message,args ...) av_log(NULL,AV_LOG_ERROR,message,## args)
-
-static float pow2tab[127];
-static float rootpow2tab[127];
#include "cook_fixpoint.h"
/* debug functions */
#ifdef COOKDEBUG
-static void dump_float_table(float* table, int size, int delimiter) {
- int i=0;
- av_log(NULL,AV_LOG_ERROR,"\n[%d]: ",i);
- for (i=0 ; i<size ; i++) {
- av_log(NULL, AV_LOG_ERROR, "%5.1f, ", table[i]);
- if ((i+1)%delimiter == 0) av_log(NULL,AV_LOG_ERROR,"\n[%d]: ",i+1);
- }
-}
-
static void dump_int_table(int* table, int size, int delimiter) {
int i=0;
av_log(NULL,AV_LOG_ERROR,"\n[%d]: ",i);
@@ -109,27 +97,6 @@ static void dump_short_table(short* table, int size, int delimiter) {
#endif
/*************** init functions ***************/
-
-/* table generator */
-static av_cold void init_pow2table(void){
- int i;
- for (i=-63 ; i<64 ; i++){
- pow2tab[63+i]= pow(2, i);
- rootpow2tab[63+i]=sqrt(pow(2, i));
- }
-}
-
-/* table generator */
-static av_cold void init_gain_table(COOKContext *q) {
- int i;
- q->gain_size_factor = q->samples_per_channel/8;
- for (i=0 ; i<23 ; i++) {
- q->gain_table[i] = pow(pow2tab[i+52] ,
- (1.0/(double)q->gain_size_factor));
- }
-}
-
-
static av_cold int init_cook_vlc_tables(COOKContext *q) {
int i, result;
@@ -156,42 +123,6 @@ static av_cold int init_cook_vlc_tables(COOKContext *q) {
av_log(NULL,AV_LOG_ERROR,"VLC tables initialized. Result = %d\n",result);
return result;
}
-
-static av_cold int init_cook_mlt(COOKContext *q) {
- int j;
- int mlt_size = q->samples_per_channel;
-
- if ((q->mlt_window = av_malloc(sizeof(float)*mlt_size)) == 0)
- return -1;
-
- /* Initialize the MLT window: simple sine window. */
- ff_sine_window_init(q->mlt_window, mlt_size);
- for(j=0 ; j<mlt_size ; j++)
- q->mlt_window[j] *= sqrt(2.0 / q->samples_per_channel);
-
- /* Initialize the MDCT. */
- if (ff_mdct_init(&q->mdct_ctx, av_log2(mlt_size)+1, 1)) {
- av_free(q->mlt_window);
- return -1;
- }
- av_log(NULL,AV_LOG_ERROR,"MDCT initialized, order = %d. mlt_window = %d\n",
- av_log2(mlt_size)+1,sizeof(q->mlt_window)*mlt_size);
-
- return 0;
-}
-
-static const float *maybe_reformat_buffer32 (COOKContext *q, const float *ptr, int n)
-{
- if (1)
- return ptr;
-}
-
-static av_cold void init_cplscales_table (COOKContext *q) {
- int i;
- for (i=0;i<5;i++)
- q->cplscales[i] = maybe_reformat_buffer32 (q, q->cplscales[i], (1<<(i+2))-1);
-}
-
/*************** init functions end ***********/
/**
@@ -249,12 +180,8 @@ av_cold int cook_decode_close(COOKContext *q)
av_log(NULL,AV_LOG_ERROR, "Deallocating memory.\n");
/* Free allocated memory buffers. */
- av_free(q->mlt_window);
av_free(q->decoded_bytes_buffer);
- /* Free the transform. */
- ff_mdct_end(&q->mdct_ctx);
-
/* Free the VLC tables. */
for (i=0 ; i<13 ; i++) {
free_vlc(&q->envelope_quant_index[i]);
@@ -444,37 +371,6 @@ static inline void expand_category(COOKContext *q, int* category,
}
/**
- * The real requantization of the mltcoefs
- *
- * @param q pointer to the COOKContext
- * @param index index
- * @param quant_index quantisation index
- * @param subband_coef_index array of indexes to quant_centroid_tab
- * @param subband_coef_sign signs of coefficients
- * @param mlt_p pointer into the mlt buffer
- */
-
-#if 0
-static void scalar_dequant_float(COOKContext *q, int index, int quant_index,
- int* subband_coef_index, int* subband_coef_sign,
- float* mlt_p){
- int i;
- float f1;
-
- for(i=0 ; i<SUBBAND_SIZE ; i++) {
- if (subband_coef_index[i]) {
- f1 = quant_centroid_tab[index][subband_coef_index[i]];
- if (subband_coef_sign[i]) f1 = -f1;
- } else {
- /* noise coding if subband_coef_index[i] == 0 */
- f1 = dither_tab[index];
- if (av_lfg_get(&q->random_state) < 0x80000000) f1 = -f1;
- }
- mlt_p[i] = f1 * rootpow2tab[quant_index+63];
- }
-}
-#endif
-/**
* Unpack the subband_coef_index and subband_coef_sign vectors.
*
* @param q pointer to the COOKContext
@@ -585,102 +481,6 @@ static void mono_decode(COOKContext *q, REAL_T* mlt_buffer) {
decode_vectors(q, category, quant_index_table, mlt_buffer);
}
-
-/**
- * the actual requantization of the timedomain samples
- *
- * @param q pointer to the COOKContext
- * @param buffer pointer to the timedomain buffer
- * @param gain_index index for the block multiplier
- * @param gain_index_next index for the next block multiplier
- */
-
-#if 0
-static void interpolate_float(COOKContext *q, float* buffer,
- int gain_index, int gain_index_next){
- int i;
- float fc1, fc2;
- fc1 = pow2tab[gain_index+63];
-
- if(gain_index == gain_index_next){ //static gain
- for(i=0 ; i<q->gain_size_factor ; i++){
- buffer[i]*=fc1;
- }
- return;
- } else { //smooth gain
- fc2 = q->gain_table[11 + (gain_index_next-gain_index)];
- for(i=0 ; i<q->gain_size_factor ; i++){
- buffer[i]*=fc1;
- fc1*=fc2;
- }
- return;
- }
-}
-#endif
-
-/**
- * Apply transform window, overlap buffers.
- *
- * @param q pointer to the COOKContext
- * @param inbuffer pointer to the mltcoefficients
- * @param gains_ptr current and previous gains
- * @param previous_buffer pointer to the previous buffer to be used for overlapping
- */
-
-static void imlt_window_float (COOKContext *q, float *buffer1,
- cook_gains *gains_ptr, float *previous_buffer)
-{
- const float fc = pow2tab[gains_ptr->previous[0] + 63];
- int i;
- /* The weird thing here, is that the two halves of the time domain
- * buffer are swapped. Also, the newest data, that we save away for
- * next frame, has the wrong sign. Hence the subtraction below.
- * Almost sounds like a complex conjugate/reverse data/FFT effect.
- */
-
- /* Apply window and overlap */
- for(i = 0; i < q->samples_per_channel; i++){
- buffer1[i] = buffer1[i] * fc * q->mlt_window[i] -
- previous_buffer[i] * q->mlt_window[q->samples_per_channel - 1 - i];
- }
-}
-
-/**
- * The modulated lapped transform, this takes transform coefficients
- * and transforms them into timedomain samples.
- * Apply transform window, overlap buffers, apply gain profile
- * and buffer management.
- *
- * @param q pointer to the COOKContext
- * @param inbuffer pointer to the mltcoefficients
- * @param gains_ptr current and previous gains
- * @param previous_buffer pointer to the previous buffer to be used for overlapping
- */
-#if 0
-static void imlt_gain(COOKContext *q, REAL_T *inbuffer,
- cook_gains *gains_ptr, REAL_T* previous_buffer)
-{
- REAL_T *buffer0 = q->mono_mdct_output;
- REAL_T *buffer1 = q->mono_mdct_output + q->samples_per_channel;
- int i;
-
- /* Inverse modified discrete cosine transform */
- ff_imdct_calc(&q->mdct_ctx, q->mono_mdct_output, inbuffer);
-
- q->imlt_window (q, buffer1, gains_ptr, previous_buffer);
-
- /* Apply gain profile */
- for (i = 0; i < 8; i++) {
- if (gains_ptr->now[i] || gains_ptr->now[i + 1])
- q->interpolate(q, &buffer1[q->gain_size_factor * i],
- gains_ptr->now[i], gains_ptr->now[i + 1]);
- }
-
- /* Save away the current to be previous block. */
- memcpy(previous_buffer, buffer0, sizeof(float)*q->samples_per_channel);
-}
-
-#endif
/**
* function for getting the jointstereo coupling information
*
@@ -711,31 +511,6 @@ static void decouple_info(COOKContext *q, int* decouple_tab){
return;
}
-/*
- * function decouples a pair of signals from a single signal via multiplication.
- *
- * @param q pointer to the COOKContext
- * @param subband index of the current subband
- * @param f1 multiplier for channel 1 extraction
- * @param f2 multiplier for channel 2 extraction
- * @param decode_buffer input buffer
- * @param mlt_buffer1 pointer to left channel mlt coefficients
- * @param mlt_buffer2 pointer to right channel mlt coefficients
- */
-static void decouple_float (COOKContext *q,
- int subband,
- REAL_T f1, REAL_T f2,
- REAL_T *decode_buffer,
- REAL_T *mlt_buffer1, REAL_T *mlt_buffer2)
-{
- int j, tmp_idx;
- for (j=0 ; j<SUBBAND_SIZE ; j++) {
- tmp_idx = ((q->js_subband_start + subband)*SUBBAND_SIZE)+j;
- mlt_buffer1[SUBBAND_SIZE*subband + j] = f1 * decode_buffer[tmp_idx];
- mlt_buffer2[SUBBAND_SIZE*subband + j] = f2 * decode_buffer[tmp_idx];
- }
-}
-
/**
* function for decoding joint stereo data
*
@@ -809,26 +584,6 @@ decode_bytes_and_gain(COOKContext *q, const uint8_t *inbuffer,
FFSWAP(int *, gains_ptr->now, gains_ptr->previous);
}
- /**
- * Saturate the output signal to signed 16bit integers.
- *
- * @param q pointer to the COOKContext
- * @param chan channel to saturate
- * @param out pointer to the output vector
- */
-static void
-saturate_output_float (COOKContext *q, int chan, int16_t *out)
-{
- int j;
- float *output = (float*)q->mono_mdct_output + q->samples_per_channel;
- /* Clip and convert floats to 16 bits.
- */
- for (j = 0; j < q->samples_per_channel; j++) {
- out[chan + q->nb_channels * j] =
- av_clip_int16(lrintf(output[j]));
- }
-}
-
/**
* Final part of subpacket decoding:
* Apply modulated lapped transform, gain compensation,
@@ -965,18 +720,6 @@ static void dump_cook_context(COOKContext *q)
}
#endif
-#if 0
-static av_cold int cook_count_channels(unsigned int mask){
- int i;
- int channels = 0;
- for(i = 0;i<32;i++){
- if(mask & (1<<i))
- ++channels;
- }
- return channels;
-}
-#endif
-
/**
* Cook initialization
*/
@@ -1057,10 +800,6 @@ av_cold int cook_decode_init(RMContext *rmctx, COOKContext *q)
q->numvector_size = (1 << q->log2_numvector_size);
/* Generate tables */
- init_pow2table();
- init_gain_table(q);
- init_cplscales_table(q);
-
if (init_cook_vlc_tables(q) != 0)
return -1;
@@ -1092,17 +831,11 @@ av_cold int cook_decode_init(RMContext *rmctx, COOKContext *q)
q->gains2.now = q->gain_3;
q->gains2.previous = q->gain_4;
- /* Initialize transform. */
- if ( init_cook_mlt(q) != 0 )
- return -1;
/* Initialize COOK signal arithmetic handling */
if (1) {
q->scalar_dequant = scalar_dequant_math;
- q->decouple = decouple_float;
- q->imlt_window = imlt_window_float;
q->interpolate = interpolate_math;
- q->saturate_output = saturate_output_float;
}
/* Try to catch some obviously faulty streams, othervise it might be exploitable */
diff --git a/apps/codecs/libcook/cook.h b/apps/codecs/libcook/cook.h
index c4c06cd..e348832 100644
--- a/apps/codecs/libcook/cook.h
+++ b/apps/codecs/libcook/cook.h
@@ -25,7 +25,6 @@
#include <stdint.h>
#include "libavutil/lfg.h"
#include "bitstream.h"
-#include "dsputil.h"
#include "bytestream.h"
#include "rm2wav.h"
#include "cookdata_fixpoint.h"
@@ -44,20 +43,9 @@ typedef struct cook {
int* subband_coef_index, int* subband_coef_sign,
REAL_T* mlt_p);
- void (* decouple) (struct cook *q,
- int subband,
- REAL_T f1, REAL_T f2,
- REAL_T *decode_buffer,
- REAL_T *mlt_buffer1, REAL_T *mlt_buffer2);
-
- void (* imlt_window) (struct cook *q, float *buffer1,
- cook_gains *gains_ptr, float *previous_buffer);
-
void (* interpolate) (struct cook *q, REAL_T* buffer,
int gain_index, int gain_index_next);
- void (* saturate_output) (struct cook *q, int chan, int16_t *out);
-
GetBitContext gb;
int frame_number;
int block_align;
@@ -79,9 +67,6 @@ typedef struct cook {
int cookversion;
/* states */
AVLFG random_state;
- /* transform data */
- MDCTContext mdct_ctx;
- float* mlt_window;
/* gain buffers */
cook_gains gains1;
@@ -110,8 +95,6 @@ typedef struct cook {
REAL_T decode_buffer_1[1024];
REAL_T decode_buffer_2[1024];
REAL_T decode_buffer_0[1060]; /* static allocation for joint decode */
-
- const float *cplscales[5];
} COOKContext;
av_cold int cook_decode_init(RMContext *rmctx, COOKContext *q);
diff --git a/apps/codecs/libcook/dsputil.h b/apps/codecs/libcook/dsputil.h
index 4573c17..e69de29 100644
--- a/apps/codecs/libcook/dsputil.h
+++ b/apps/codecs/libcook/dsputil.h
@@ -1,908 +0,0 @@
-/*
- * DSP utils
- * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
- * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
- *
- * 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 */
-#if 0 /*MT : DELETE THIS LINE.*/
-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<br>
- * *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<br>
- * *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<br>
- * *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<br>
- * *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<br>
- * *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<br>
- * 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, AVCodecContext *avctx);
-
-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);
-
-#endif /*MT : DELETE THIS LINE ONLY. */
-#define DECLARE_ALIGNED_16(t, v) DECLARE_ALIGNED(16, t, v)
-
-#if 0 /*MT : DELETE THIS LINE ONLY. */
-#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
-
-#endif /* MT : DELETE THIS LINE ONLY */
-#ifndef DECLARE_ALIGNED_8
-# define DECLARE_ALIGNED_8(t, v) DECLARE_ALIGNED(8, t, v)
-#endif
-
-#if 0 /* MT : DELETE THIS LINE ONLY */
-#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);
-
-#endif /*MT : DELETE THIS LINE.*/
-/* 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);
-
-#endif /*MT : DELETE THIS LINE.*/
-/* 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);
-}
-
-#if 0 /* MT : DELETE THIS LINE. */
-/**
- * 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);
-#endif /* MT : DELETE THIS LINE.*/
-
-/**
- * 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);
-
-#if 0 /* MT : DELETE THIS LINE.*/
-/* 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<h; i++)
- {
- AV_WN16(dst , AV_RN16(src ));
- dst+=dstStride;
- src+=srcStride;
- }
-}
-
-static inline void copy_block4(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h)
-{
- int i;
- for(i=0; i<h; i++)
- {
- AV_WN32(dst , AV_RN32(src ));
- dst+=dstStride;
- src+=srcStride;
- }
-}
-
-static inline void copy_block8(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h)
-{
- int i;
- for(i=0; i<h; i++)
- {
- AV_WN32(dst , AV_RN32(src ));
- AV_WN32(dst+4 , AV_RN32(src+4 ));
- dst+=dstStride;
- src+=srcStride;
- }
-}
-
-static inline void copy_block9(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h)
-{
- int i;
- for(i=0; i<h; i++)
- {
- AV_WN32(dst , AV_RN32(src ));
- AV_WN32(dst+4 , AV_RN32(src+4 ));
- dst[8]= src[8];
- dst+=dstStride;
- src+=srcStride;
- }
-}
-
-static inline void copy_block16(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h)
-{
- int i;
- for(i=0; i<h; i++)
- {
- AV_WN32(dst , AV_RN32(src ));
- AV_WN32(dst+4 , AV_RN32(src+4 ));
- AV_WN32(dst+8 , AV_RN32(src+8 ));
- AV_WN32(dst+12, AV_RN32(src+12));
- dst+=dstStride;
- src+=srcStride;
- }
-}
-
-static inline void copy_block17(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h)
-{
- int i;
- for(i=0; i<h; i++)
- {
- AV_WN32(dst , AV_RN32(src ));
- AV_WN32(dst+4 , AV_RN32(src+4 ));
- AV_WN32(dst+8 , AV_RN32(src+8 ));
- AV_WN32(dst+12, AV_RN32(src+12));
- dst[16]= src[16];
- dst+=dstStride;
- src+=srcStride;
- }
-}
-
-#endif /* AVCODEC_DSPUTIL_H */
diff --git a/apps/codecs/libcook/fft.c b/apps/codecs/libcook/fft.c
index a3f1151..e69de29 100644
--- a/apps/codecs/libcook/fft.c
+++ b/apps/codecs/libcook/fft.c
@@ -1,374 +0,0 @@
-/*
- * FFT/IFFT transforms
- * Copyright (c) 2008 Loren Merritt
- * Copyright (c) 2002 Fabrice Bellard
- * Partly based on libdjbfft by D. J. Bernstein
- *
- * 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/fft.c
- * FFT/IFFT transforms.
- */
-
-#include "dsputil.h"
-
-/* cos(2*pi*x/n) for 0<=x<=n/4, followed by its reverse */
-DECLARE_ALIGNED_16(FFTSample, ff_cos_16[8]);
-DECLARE_ALIGNED_16(FFTSample, ff_cos_32[16]);
-DECLARE_ALIGNED_16(FFTSample, ff_cos_64[32]);
-DECLARE_ALIGNED_16(FFTSample, ff_cos_128[64]);
-DECLARE_ALIGNED_16(FFTSample, ff_cos_256[128]);
-DECLARE_ALIGNED_16(FFTSample, ff_cos_512[256]);
-DECLARE_ALIGNED_16(FFTSample, ff_cos_1024[512]);
-DECLARE_ALIGNED_16(FFTSample, ff_cos_2048[1024]);
-DECLARE_ALIGNED_16(FFTSample, ff_cos_4096[2048]);
-DECLARE_ALIGNED_16(FFTSample, ff_cos_8192[4096]);
-DECLARE_ALIGNED_16(FFTSample, ff_cos_16384[8192]);
-DECLARE_ALIGNED_16(FFTSample, ff_cos_32768[16384]);
-DECLARE_ALIGNED_16(FFTSample, ff_cos_65536[32768]);
-FFTSample *ff_cos_tabs[] = {
- ff_cos_16, ff_cos_32, ff_cos_64, ff_cos_128, ff_cos_256, ff_cos_512, ff_cos_1024,
- ff_cos_2048, ff_cos_4096, ff_cos_8192, ff_cos_16384, ff_cos_32768, ff_cos_65536,
-};
-
-static int split_radix_permutation(int i, int n, int inverse)
-{
- int m;
- if(n <= 2) return i&1;
- m = n >> 1;
- if(!(i&m)) return split_radix_permutation(i, m, inverse)*2;
- m >>= 1;
- if(inverse == !(i&m)) return split_radix_permutation(i, m, inverse)*4 + 1;
- else return split_radix_permutation(i, m, inverse)*4 - 1;
-}
-
-av_cold int ff_fft_init(FFTContext *s, int nbits, int inverse)
-{
- int i, j, m, n;
- float alpha, c1, s1, s2;
- int split_radix = 1;
- int av_unused has_vectors;
-
- if (nbits < 2 || nbits > 16)
- goto fail;
- s->nbits = nbits;
- n = 1 << nbits;
-
- s->tmp_buf = NULL;
- s->exptab = av_malloc((n / 2) * sizeof(FFTComplex));
- if (!s->exptab)
- goto fail;
- s->revtab = av_malloc(n * sizeof(uint16_t));
- if (!s->revtab)
- goto fail;
- s->inverse = inverse;
-
- s2 = inverse ? 1.0 : -1.0;
-
- s->fft_permute = ff_fft_permute_c;
- s->fft_calc = ff_fft_calc_c;
- s->imdct_calc = ff_imdct_calc_c;
- s->imdct_half = ff_imdct_half_c;
- s->exptab1 = NULL;
-
-#if HAVE_MMX && HAVE_YASM
- has_vectors = mm_support();
- if (has_vectors & FF_MM_SSE && HAVE_SSE) {
- /* SSE for P3/P4/K8 */
- s->imdct_calc = ff_imdct_calc_sse;
- s->imdct_half = ff_imdct_half_sse;
- s->fft_permute = ff_fft_permute_sse;
- s->fft_calc = ff_fft_calc_sse;
- } else if (has_vectors & FF_MM_3DNOWEXT && HAVE_AMD3DNOWEXT) {
- /* 3DNowEx for K7 */
- s->imdct_calc = ff_imdct_calc_3dn2;
- s->imdct_half = ff_imdct_half_3dn2;
- s->fft_calc = ff_fft_calc_3dn2;
- } else if (has_vectors & FF_MM_3DNOW && HAVE_AMD3DNOW) {
- /* 3DNow! for K6-2/3 */
- s->imdct_calc = ff_imdct_calc_3dn;
- s->imdct_half = ff_imdct_half_3dn;
- s->fft_calc = ff_fft_calc_3dn;
- }
-#elif HAVE_ALTIVEC
- has_vectors = mm_support();
- if (has_vectors & FF_MM_ALTIVEC) {
- s->fft_calc = ff_fft_calc_altivec;
- split_radix = 0;
- }
-#endif
-
- if (split_radix) {
- for(j=4; j<=nbits; j++) {
- int m = 1<<j;
- double freq = 2*M_PI/m;
- FFTSample *tab = ff_cos_tabs[j-4];
- for(i=0; i<=m/4; i++)
- tab[i] = cos(i*freq);
- for(i=1; i<m/4; i++)
- tab[m/2-i] = tab[i];
- }
- for(i=0; i<n; i++)
- s->revtab[-split_radix_permutation(i, n, s->inverse) & (n-1)] = i;
- s->tmp_buf = av_malloc(n * sizeof(FFTComplex));
- } else {
- int np, nblocks, np2, l;
- FFTComplex *q;
-
- for(i=0; i<(n/2); i++) {
- alpha = 2 * M_PI * (float)i / (float)n;
- c1 = cos(alpha);
- s1 = sin(alpha) * s2;
- s->exptab[i].re = c1;
- s->exptab[i].im = s1;
- }
-
- np = 1 << nbits;
- nblocks = np >> 3;
- np2 = np >> 1;
- s->exptab1 = av_malloc(np * 2 * sizeof(FFTComplex));
- if (!s->exptab1)
- goto fail;
- q = s->exptab1;
- do {
- for(l = 0; l < np2; l += 2 * nblocks) {
- *q++ = s->exptab[l];
- *q++ = s->exptab[l + nblocks];
-
- q->re = -s->exptab[l].im;
- q->im = s->exptab[l].re;
- q++;
- q->re = -s->exptab[l + nblocks].im;
- q->im = s->exptab[l + nblocks].re;
- q++;
- }
- nblocks = nblocks >> 1;
- } while (nblocks != 0);
- av_freep(&s->exptab);
-
- /* compute bit reverse table */
- for(i=0;i<n;i++) {
- m=0;
- for(j=0;j<nbits;j++) {
- m |= ((i >> j) & 1) << (nbits-j-1);
- }
- s->revtab[i]=m;
- }
- }
-
- return 0;
- fail:
- av_freep(&s->revtab);
- av_freep(&s->exptab);
- av_freep(&s->exptab1);
- av_freep(&s->tmp_buf);
- return -1;
-}
-
-void ff_fft_permute_c(FFTContext *s, FFTComplex *z)
-{
- int j, k, np;
- FFTComplex tmp;
- const uint16_t *revtab = s->revtab;
- np = 1 << s->nbits;
-
- if (s->tmp_buf) {
- /* TODO: handle split-radix permute in a more optimal way, probably in-place */
- for(j=0;j<np;j++) s->tmp_buf[revtab[j]] = z[j];
- memcpy(z, s->tmp_buf, np * sizeof(FFTComplex));
- return;
- }
-
- /* reverse */
- for(j=0;j<np;j++) {
- k = revtab[j];
- if (k < j) {
- tmp = z[k];
- z[k] = z[j];
- z[j] = tmp;
- }
- }
-}
-
-av_cold void ff_fft_end(FFTContext *s)
-{
- av_freep(&s->revtab);
- av_freep(&s->exptab);
- av_freep(&s->exptab1);
- av_freep(&s->tmp_buf);
-}
-
-#define sqrthalf (float)M_SQRT1_2
-
-#define BF(x,y,a,b) {\
- x = a - b;\
- y = a + b;\
-}
-
-#define BUTTERFLIES(a0,a1,a2,a3) {\
- BF(t3, t5, t5, t1);\
- BF(a2.re, a0.re, a0.re, t5);\
- BF(a3.im, a1.im, a1.im, t3);\
- BF(t4, t6, t2, t6);\
- BF(a3.re, a1.re, a1.re, t4);\
- BF(a2.im, a0.im, a0.im, t6);\
-}
-
-// force loading all the inputs before storing any.
-// this is slightly slower for small data, but avoids store->load aliasing
-// for addresses separated by large powers of 2.
-#define BUTTERFLIES_BIG(a0,a1,a2,a3) {\
- FFTSample r0=a0.re, i0=a0.im, r1=a1.re, i1=a1.im;\
- BF(t3, t5, t5, t1);\
- BF(a2.re, a0.re, r0, t5);\
- BF(a3.im, a1.im, i1, t3);\
- BF(t4, t6, t2, t6);\
- BF(a3.re, a1.re, r1, t4);\
- BF(a2.im, a0.im, i0, t6);\
-}
-
-#define TRANSFORM(a0,a1,a2,a3,wre,wim) {\
- t1 = a2.re * wre + a2.im * wim;\
- t2 = a2.im * wre - a2.re * wim;\
- t5 = a3.re * wre - a3.im * wim;\
- t6 = a3.im * wre + a3.re * wim;\
- BUTTERFLIES(a0,a1,a2,a3)\
-}
-
-#define TRANSFORM_ZERO(a0,a1,a2,a3) {\
- t1 = a2.re;\
- t2 = a2.im;\
- t5 = a3.re;\
- t6 = a3.im;\
- BUTTERFLIES(a0,a1,a2,a3)\
-}
-
-/* z[0...8n-1], w[1...2n-1] */
-#define PASS(name)\
-static void name(FFTComplex *z, const FFTSample *wre, unsigned int n)\
-{\
- FFTSample t1, t2, t3, t4, t5, t6;\
- int o1 = 2*n;\
- int o2 = 4*n;\
- int o3 = 6*n;\
- const FFTSample *wim = wre+o1;\
- n--;\
-\
- TRANSFORM_ZERO(z[0],z[o1],z[o2],z[o3]);\
- TRANSFORM(z[1],z[o1+1],z[o2+1],z[o3+1],wre[1],wim[-1]);\
- do {\
- z += 2;\
- wre += 2;\
- wim -= 2;\
- TRANSFORM(z[0],z[o1],z[o2],z[o3],wre[0],wim[0]);\
- TRANSFORM(z[1],z[o1+1],z[o2+1],z[o3+1],wre[1],wim[-1]);\
- } while(--n);\
-}
-
-PASS(pass)
-#undef BUTTERFLIES
-#define BUTTERFLIES BUTTERFLIES_BIG
-PASS(pass_big)
-
-#define DECL_FFT(n,n2,n4)\
-static void fft##n(FFTComplex *z)\
-{\
- fft##n2(z);\
- fft##n4(z+n4*2);\
- fft##n4(z+n4*3);\
- pass(z,ff_cos_##n,n4/2);\
-}
-
-static void fft4(FFTComplex *z)
-{
- FFTSample t1, t2, t3, t4, t5, t6, t7, t8;
-
- BF(t3, t1, z[0].re, z[1].re);
- BF(t8, t6, z[3].re, z[2].re);
- BF(z[2].re, z[0].re, t1, t6);
- BF(t4, t2, z[0].im, z[1].im);
- BF(t7, t5, z[2].im, z[3].im);
- BF(z[3].im, z[1].im, t4, t8);
- BF(z[3].re, z[1].re, t3, t7);
- BF(z[2].im, z[0].im, t2, t5);
-}
-
-static void fft8(FFTComplex *z)
-{
- FFTSample t1, t2, t3, t4, t5, t6, t7, t8;
-
- fft4(z);
-
- BF(t1, z[5].re, z[4].re, -z[5].re);
- BF(t2, z[5].im, z[4].im, -z[5].im);
- BF(t3, z[7].re, z[6].re, -z[7].re);
- BF(t4, z[7].im, z[6].im, -z[7].im);
- BF(t8, t1, t3, t1);
- BF(t7, t2, t2, t4);
- BF(z[4].re, z[0].re, z[0].re, t1);
- BF(z[4].im, z[0].im, z[0].im, t2);
- BF(z[6].re, z[2].re, z[2].re, t7);
- BF(z[6].im, z[2].im, z[2].im, t8);
-
- TRANSFORM(z[1],z[3],z[5],z[7],sqrthalf,sqrthalf);
-}
-
-#if !CONFIG_SMALL
-static void fft16(FFTComplex *z)
-{
- FFTSample t1, t2, t3, t4, t5, t6;
-
- fft8(z);
- fft4(z+8);
- fft4(z+12);
-
- TRANSFORM_ZERO(z[0],z[4],z[8],z[12]);
- TRANSFORM(z[2],z[6],z[10],z[14],sqrthalf,sqrthalf);
- TRANSFORM(z[1],z[5],z[9],z[13],ff_cos_16[1],ff_cos_16[3]);
- TRANSFORM(z[3],z[7],z[11],z[15],ff_cos_16[3],ff_cos_16[1]);
-}
-#else
-DECL_FFT(16,8,4)
-#endif
-DECL_FFT(32,16,8)
-DECL_FFT(64,32,16)
-DECL_FFT(128,64,32)
-DECL_FFT(256,128,64)
-DECL_FFT(512,256,128)
-#if !CONFIG_SMALL
-#define pass pass_big
-#endif
-DECL_FFT(1024,512,256)
-DECL_FFT(2048,1024,512)
-DECL_FFT(4096,2048,1024)
-DECL_FFT(8192,4096,2048)
-DECL_FFT(16384,8192,4096)
-DECL_FFT(32768,16384,8192)
-DECL_FFT(65536,32768,16384)
-
-static void (*fft_dispatch[])(FFTComplex*) = {
- fft4, fft8, fft16, fft32, fft64, fft128, fft256, fft512, fft1024,
- fft2048, fft4096, fft8192, fft16384, fft32768, fft65536,
-};
-
-void ff_fft_calc_c(FFTContext *s, FFTComplex *z)
-{
- fft_dispatch[s->nbits-2](z);
-}
-
diff --git a/apps/codecs/libcook/main.c b/apps/codecs/libcook/main.c
index 2f85295..40e2fd8 100644
--- a/apps/codecs/libcook/main.c
+++ b/apps/codecs/libcook/main.c
@@ -5,7 +5,7 @@
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
- * $Id$
+ * $Id$ main.c 20898 2009-05-09 23:24:02Z dave $
*
* Copyright (C) 2009 Mohamed Tarek
*
diff --git a/apps/codecs/libcook/mdct.c b/apps/codecs/libcook/mdct.c
index cb3388f..e69de29 100644
--- a/apps/codecs/libcook/mdct.c
+++ b/apps/codecs/libcook/mdct.c
@@ -1,229 +0,0 @@
-/*
- * MDCT/IMDCT transforms
- * Copyright (c) 2002 Fabrice Bellard
- *
- * 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
- */
-#include "dsputil.h"
-
-/**
- * @file libavcodec/mdct.c
- * MDCT/IMDCT transforms.
- */
-
-// Generate a Kaiser-Bessel Derived Window.
-#define BESSEL_I0_ITER 50 // default: 50 iterations of Bessel I0 approximation
-av_cold void ff_kbd_window_init(float *window, float alpha, int n)
-{
- int i, j;
- double sum = 0.0, bessel, tmp;
- double local_window[n];
- double alpha2 = (alpha * M_PI / n) * (alpha * M_PI / n);
-
- for (i = 0; i < n; i++) {
- tmp = i * (n - i) * alpha2;
- bessel = 1.0;
- for (j = BESSEL_I0_ITER; j > 0; j--)
- bessel = bessel * tmp / (j * j) + 1;
- sum += bessel;
- local_window[i] = sum;
- }
-
- sum++;
- for (i = 0; i < n; i++)
- window[i] = sqrt(local_window[i] / sum);
-}
-
-DECLARE_ALIGNED(16, float, ff_sine_128 [ 128]);
-DECLARE_ALIGNED(16, float, ff_sine_256 [ 256]);
-DECLARE_ALIGNED(16, float, ff_sine_512 [ 512]);
-DECLARE_ALIGNED(16, float, ff_sine_1024[1024]);
-DECLARE_ALIGNED(16, float, ff_sine_2048[2048]);
-DECLARE_ALIGNED(16, float, ff_sine_4096[4096]);
-float *ff_sine_windows[6] = {
- ff_sine_128, ff_sine_256, ff_sine_512, ff_sine_1024, ff_sine_2048, ff_sine_4096
-};
-
-// Generate a sine window.
-av_cold void ff_sine_window_init(float *window, int n) {
- int i;
- for(i = 0; i < n; i++)
- window[i] = sinf((i + 0.5) * (M_PI / (2.0 * n)));
-}
-
-/**
- * init MDCT or IMDCT computation.
- */
-av_cold int ff_mdct_init(MDCTContext *s, int nbits, int inverse)
-{
- int n, n4, i;
- double alpha;
-
- memset(s, 0, sizeof(*s));
- n = 1 << nbits;
- s->nbits = nbits;
- s->n = n;
- n4 = n >> 2;
- s->tcos = av_malloc(n4 * sizeof(FFTSample));
- if (!s->tcos)
- goto fail;
- s->tsin = av_malloc(n4 * sizeof(FFTSample));
- if (!s->tsin)
- goto fail;
-
- for(i=0;i<n4;i++) {
- alpha = 2 * M_PI * (i + 1.0 / 8.0) / n;
- s->tcos[i] = -cos(alpha);
- s->tsin[i] = -sin(alpha);
- }
- if (ff_fft_init(&s->fft, s->nbits - 2, inverse) < 0)
- goto fail;
- return 0;
- fail:
- av_freep(&s->tcos);
- av_freep(&s->tsin);
- return -1;
-}
-
-/* complex multiplication: p = a * b */
-#define CMUL(pre, pim, are, aim, bre, bim) \
-{\
- FFTSample _are = (are);\
- FFTSample _aim = (aim);\
- FFTSample _bre = (bre);\
- FFTSample _bim = (bim);\
- (pre) = _are * _bre - _aim * _bim;\
- (pim) = _are * _bim + _aim * _bre;\
-}
-
-/**
- * Compute the middle half of the inverse MDCT of size N = 2^nbits,
- * thus excluding the parts that can be derived by symmetry
- * @param output N/2 samples
- * @param input N/2 samples
- */
-void ff_imdct_half_c(MDCTContext *s, FFTSample *output, const FFTSample *input)
-{
- int k, n8, n4, n2, n, j;
- const uint16_t *revtab = s->fft.revtab;
- const FFTSample *tcos = s->tcos;
- const FFTSample *tsin = s->tsin;
- const FFTSample *in1, *in2;
- FFTComplex *z = (FFTComplex *)output;
-
- n = 1 << s->nbits;
- n2 = n >> 1;
- n4 = n >> 2;
- n8 = n >> 3;
-
- /* pre rotation */
- in1 = input;
- in2 = input + n2 - 1;
- for(k = 0; k < n4; k++) {
- j=revtab[k];
- CMUL(z[j].re, z[j].im, *in2, *in1, tcos[k], tsin[k]);
- in1 += 2;
- in2 -= 2;
- }
- ff_fft_calc(&s->fft, z);
-
- /* post rotation + reordering */
- output += n4;
- for(k = 0; k < n8; k++) {
- FFTSample r0, i0, r1, i1;
- CMUL(r0, i1, z[n8-k-1].im, z[n8-k-1].re, tsin[n8-k-1], tcos[n8-k-1]);
- CMUL(r1, i0, z[n8+k ].im, z[n8+k ].re, tsin[n8+k ], tcos[n8+k ]);
- z[n8-k-1].re = r0;
- z[n8-k-1].im = i0;
- z[n8+k ].re = r1;
- z[n8+k ].im = i1;
- }
-}
-
-/**
- * Compute inverse MDCT of size N = 2^nbits
- * @param output N samples
- * @param input N/2 samples
- */
-void ff_imdct_calc_c(MDCTContext *s, FFTSample *output, const FFTSample *input)
-{
- int k;
- int n = 1 << s->nbits;
- int n2 = n >> 1;
- int n4 = n >> 2;
-
- ff_imdct_half_c(s, output+n4, input);
-
- for(k = 0; k < n4; k++) {
- output[k] = -output[n2-k-1];
- output[n-k-1] = output[n2+k];
- }
-}
-
-/**
- * Compute MDCT of size N = 2^nbits
- * @param input N samples
- * @param out N/2 samples
- */
-void ff_mdct_calc(MDCTContext *s, FFTSample *out, const FFTSample *input)
-{
- int i, j, n, n8, n4, n2, n3;
- FFTSample re, im;
- const uint16_t *revtab = s->fft.revtab;
- const FFTSample *tcos = s->tcos;
- const FFTSample *tsin = s->tsin;
- FFTComplex *x = (FFTComplex *)out;
-
- n = 1 << s->nbits;
- n2 = n >> 1;
- n4 = n >> 2;
- n8 = n >> 3;
- n3 = 3 * n4;
-
- /* pre rotation */
- for(i=0;i<n8;i++) {
- re = -input[2*i+3*n4] - input[n3-1-2*i];
- im = -input[n4+2*i] + input[n4-1-2*i];
- j = revtab[i];
- CMUL(x[j].re, x[j].im, re, im, -tcos[i], tsin[i]);
-
- re = input[2*i] - input[n2-1-2*i];
- im = -(input[n2+2*i] + input[n-1-2*i]);
- j = revtab[n8 + i];
- CMUL(x[j].re, x[j].im, re, im, -tcos[n8 + i], tsin[n8 + i]);
- }
-
- ff_fft_calc(&s->fft, x);
-
- /* post rotation */
- for(i=0;i<n8;i++) {
- FFTSample r0, i0, r1, i1;
- CMUL(i1, r0, x[n8-i-1].re, x[n8-i-1].im, -tsin[n8-i-1], -tcos[n8-i-1]);
- CMUL(i0, r1, x[n8+i ].re, x[n8+i ].im, -tsin[n8+i ], -tcos[n8+i ]);
- x[n8-i-1].re = r0;
- x[n8-i-1].im = i0;
- x[n8+i ].re = r1;
- x[n8+i ].im = i1;
- }
-}
-
-av_cold void ff_mdct_end(MDCTContext *s)
-{
- av_freep(&s->tcos);
- av_freep(&s->tsin);
- ff_fft_end(&s->fft);
-}