* Floating point AAN IDCT
* Copyright (c) 2008 Michael Niedermayer <michaelni@gmx.at>
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * 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.
*
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "faanidct.h"
static inline void p8idct(int16_t data[64], FLOAT temp[64], uint8_t *dest, int stride, int x, int y, int type){
int i;
- FLOAT av_unused tmp0;
FLOAT s04, d04, s17, d17, s26, d26, s53, d53;
FLOAT os07, os16, os25, os34;
FLOAT od07, od16, od25, od34;
od25= (s17 - s53)*(2*A4);
#if 0 //these 2 are equivalent
- tmp0= (d17 + d53)*(2*A2);
- od34= d17*( 2*B6) - tmp0;
- od16= d53*(-2*B2) + tmp0;
+ {
+ FLOAT tmp0;
+ tmp0 = (d17 + d53) * (2 * A2);
+ od34 = d17 * (2 * B6) - tmp0;
+ od16 = d53 * (-2 * B2) + tmp0;
+ }
#else
od34= d17*(2*(B6-A2)) - d53*(2*A2);
od16= d53*(2*(A2-B2)) + d17*(2*A2);
* H.26L/H.264/AVC/JVT/14496-10/... loop filter
* Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * 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.
*
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "mpegutils.h"
#include "rectangle.h"
-#include <assert.h>
-
/* Deblocking filter (p153) */
static const uint8_t alpha_table[52*3] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
unsigned int uvlinesize,
int pixel_shift)
{
- int chroma = !(CONFIG_GRAY && (h->flags&CODEC_FLAG_GRAY));
+ int chroma = CHROMA(h) && !(CONFIG_GRAY && (h->flags&CODEC_FLAG_GRAY));
int chroma444 = CHROMA444(h);
int chroma422 = CHROMA422(h);
}
void ff_h264_filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize) {
- assert(!FRAME_MBAFF(h));
+ av_assert2(!FRAME_MBAFF(h));
if(!h->h264dsp.h264_loop_filter_strength || h->pps.chroma_qp_diff) {
ff_h264_filter_mb(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize);
return;
// value in IPCM macroblocks.
if(bS[0]+bS[1]+bS[2]+bS[3]){
qp = (h->cur_pic.qscale_table[mb_xy] + h->cur_pic.qscale_table[mbm_xy] + 1) >> 1;
+ //tprintf(h->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d, QPc:%d, QPcn:%d\n", mb_x, mb_y, dir, edge, qp, h->chroma_qp[0], h->cur_pic.qscale_table[mbn_xy]);
tprintf(h->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, linesize, uvlinesize);
+ //{ int i; for (i = 0; i < 4; i++) tprintf(h->avctx, " bS[%d]:%d", i, bS[i]); tprintf(h->avctx, "\n"); }
chroma_qp_avg[0] = (h->chroma_qp[0] + get_chroma_qp(h, 0, h->cur_pic.qscale_table[mbm_xy]) + 1) >> 1;
chroma_qp_avg[1] = (h->chroma_qp[1] + get_chroma_qp(h, 1, h->cur_pic.qscale_table[mbm_xy]) + 1) >> 1;
if( dir == 0 ) {
// Do not use s->qscale as luma quantizer because it has not the same
// value in IPCM macroblocks.
qp = h->cur_pic.qscale_table[mb_xy];
+ //tprintf(h->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d, QPc:%d, QPcn:%d\n", mb_x, mb_y, dir, edge, qp, h->chroma_qp[0], h->cur_pic.qscale_table[mbn_xy]);
tprintf(h->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, linesize, uvlinesize);
+ //{ int i; for (i = 0; i < 4; i++) tprintf(h->avctx, " bS[%d]:%d", i, bS[i]); tprintf(h->avctx, "\n"); }
if( dir == 0 ) {
filter_mb_edgev( &img_y[4*edge << h->pixel_shift], linesize, bS, qp, a, b, h, 0 );
if (chroma) {
const int mb_type = h->cur_pic.mb_type[mb_xy];
const int mvy_limit = IS_INTERLACED(mb_type) ? 2 : 4;
int first_vertical_edge_done = 0;
- av_unused int dir;
- int chroma = !(CONFIG_GRAY && (h->flags&CODEC_FLAG_GRAY));
+ int chroma = CHROMA(h) && !(CONFIG_GRAY && (h->flags&CODEC_FLAG_GRAY));
int qp_bd_offset = 6 * (h->sps.bit_depth_luma - 8);
int a = 52 + h->slice_alpha_c0_offset - qp_bd_offset;
int b = 52 + h->slice_beta_offset - qp_bd_offset;
}
#if CONFIG_SMALL
- for( dir = 0; dir < 2; dir++ )
- filter_mb_dir(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, mb_xy, mb_type, mvy_limit, dir ? 0 : first_vertical_edge_done, a, b, chroma, dir);
+ {
+ int dir;
+ for (dir = 0; dir < 2; dir++)
+ filter_mb_dir(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize,
+ uvlinesize, mb_xy, mb_type, mvy_limit,
+ dir ? 0 : first_vertical_edge_done, a, b,
+ chroma, dir);
+ }
#else
filter_mb_dir(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, mb_xy, mb_type, mvy_limit, first_vertical_edge_done, a, b, chroma, 0);
filter_mb_dir(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, mb_xy, mb_type, mvy_limit, 0, a, b, chroma, 1);
* Range coder
* Copyright (c) 2004 Michael Niedermayer <michaelni@gmx.at>
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * 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.
*
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#define AVCODEC_RANGECODER_H
#include <stdint.h>
-#include <assert.h>
#include "libavutil/common.h"
+#include "libavutil/avassert.h"
typedef struct RangeCoder {
int low;
{
int range1 = (c->range * (*state)) >> 8;
- assert(*state);
- assert(range1 < c->range);
- assert(range1 > 0);
+ av_assert2(*state);
+ av_assert2(range1 < c->range);
+ av_assert2(range1 > 0);
if (!bit) {
c->range -= range1;
*state = c->zero_state[*state];
static inline int get_rac(RangeCoder *c, uint8_t *const state)
{
int range1 = (c->range * (*state)) >> 8;
- int av_unused one_mask;
c->range -= range1;
#if 1
return 1;
}
#else
- one_mask = (c->range - c->low - 1) >> 31;
+ {
+ int one_mask one_mask = (c->range - c->low - 1) >> 31;
- c->low -= c->range & one_mask;
- c->range += (range1 - c->range) & one_mask;
-
- *state = c->zero_state[(*state) + (256 & one_mask)];
+ c->low -= c->range & one_mask;
+ c->range += (range1 - c->range) & one_mask;
+ *state = c->zero_state[(*state) + (256 & one_mask)];
+ }
refill(c);
return one_mask & 1;