* RV40 decoder
* Copyright (c) 2007 Konstantin Shishkov
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
- * @file libavcodec/rv40.c
+ * @file
* RV40 decoder
*/
+#include "libavutil/imgutils.h"
+
#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
static VLC aic_mode1_vlc[AIC_MODE1_NUM], aic_mode2_vlc[AIC_MODE2_NUM];
static VLC ptype_vlc[NUM_PTYPE_VLCS], btype_vlc[NUM_BTYPE_VLCS];
+static const int16_t mode2_offs[] = {
+ 0, 614, 1222, 1794, 2410, 3014, 3586, 4202, 4792, 5382, 5966, 6542,
+ 7138, 7716, 8292, 8864, 9444, 10030, 10642, 11212, 11814
+};
+
/**
* Initialize all tables.
*/
static av_cold void rv40_init_tables(void)
{
int i;
-
+ static VLC_TYPE aic_table[1 << AIC_TOP_BITS][2];
+ static VLC_TYPE aic_mode1_table[AIC_MODE1_NUM << AIC_MODE1_BITS][2];
+ static VLC_TYPE aic_mode2_table[11814][2];
+ static VLC_TYPE ptype_table[NUM_PTYPE_VLCS << PTYPE_VLC_BITS][2];
+ static VLC_TYPE btype_table[NUM_BTYPE_VLCS << BTYPE_VLC_BITS][2];
+
+ aic_top_vlc.table = aic_table;
+ aic_top_vlc.table_allocated = 1 << AIC_TOP_BITS;
init_vlc(&aic_top_vlc, AIC_TOP_BITS, AIC_TOP_SIZE,
rv40_aic_top_vlc_bits, 1, 1,
- rv40_aic_top_vlc_codes, 1, 1, INIT_VLC_USE_STATIC);
+ rv40_aic_top_vlc_codes, 1, 1, INIT_VLC_USE_NEW_STATIC);
for(i = 0; i < AIC_MODE1_NUM; i++){
// Every tenth VLC table is empty
if((i % 10) == 9) continue;
+ aic_mode1_vlc[i].table = &aic_mode1_table[i << AIC_MODE1_BITS];
+ aic_mode1_vlc[i].table_allocated = 1 << AIC_MODE1_BITS;
init_vlc(&aic_mode1_vlc[i], AIC_MODE1_BITS, AIC_MODE1_SIZE,
aic_mode1_vlc_bits[i], 1, 1,
- aic_mode1_vlc_codes[i], 1, 1, INIT_VLC_USE_STATIC);
+ aic_mode1_vlc_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);
}
for(i = 0; i < AIC_MODE2_NUM; i++){
+ aic_mode2_vlc[i].table = &aic_mode2_table[mode2_offs[i]];
+ aic_mode2_vlc[i].table_allocated = mode2_offs[i + 1] - mode2_offs[i];
init_vlc(&aic_mode2_vlc[i], AIC_MODE2_BITS, AIC_MODE2_SIZE,
aic_mode2_vlc_bits[i], 1, 1,
- aic_mode2_vlc_codes[i], 2, 2, INIT_VLC_USE_STATIC);
+ aic_mode2_vlc_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC);
}
- for(i = 0; i < NUM_PTYPE_VLCS; i++)
- init_vlc_sparse(&ptype_vlc[i], PTYPE_VLC_BITS, PTYPE_VLC_SIZE,
+ for(i = 0; i < NUM_PTYPE_VLCS; i++){
+ ptype_vlc[i].table = &ptype_table[i << PTYPE_VLC_BITS];
+ ptype_vlc[i].table_allocated = 1 << PTYPE_VLC_BITS;
+ init_vlc_sparse(&ptype_vlc[i], PTYPE_VLC_BITS, PTYPE_VLC_SIZE,
ptype_vlc_bits[i], 1, 1,
ptype_vlc_codes[i], 1, 1,
- ptype_vlc_syms, 1, 1, INIT_VLC_USE_STATIC);
- for(i = 0; i < NUM_BTYPE_VLCS; i++)
- init_vlc_sparse(&btype_vlc[i], BTYPE_VLC_BITS, BTYPE_VLC_SIZE,
+ ptype_vlc_syms, 1, 1, INIT_VLC_USE_NEW_STATIC);
+ }
+ for(i = 0; i < NUM_BTYPE_VLCS; i++){
+ btype_vlc[i].table = &btype_table[i << BTYPE_VLC_BITS];
+ btype_vlc[i].table_allocated = 1 << BTYPE_VLC_BITS;
+ init_vlc_sparse(&btype_vlc[i], BTYPE_VLC_BITS, BTYPE_VLC_SIZE,
btype_vlc_bits[i], 1, 1,
btype_vlc_codes[i], 1, 1,
- btype_vlc_syms, 1, 1, INIT_VLC_USE_STATIC);
+ btype_vlc_syms, 1, 1, INIT_VLC_USE_NEW_STATIC);
+ }
}
/**
si->pts = get_bits(gb, 13);
if(!si->type || !get_bits1(gb))
rv40_parse_picture_size(gb, &w, &h);
- if(avcodec_check_dimensions(r->s.avctx, w, h) < 0)
+ if(av_image_check_size(w, h, 0, r->s.avctx) < 0)
return -1;
si->width = w;
si->height = h;
int pattern;
int8_t *ptr;
- for(i = 0; i < 4; i++, dst += s->b4_stride){
+ for(i = 0; i < 4; i++, dst += r->intra_types_stride){
if(!i && s->first_slice_line){
pattern = get_vlc2(gb, aic_top_vlc.table, AIC_TOP_BITS, 1);
dst[0] = (pattern >> 2) & 2;
* The second one (used for retrieving only one coefficient) is
* top + 10 * left.
*/
- A = ptr[-s->b4_stride + 1]; // it won't be used for the last coefficient in a row
- B = ptr[-s->b4_stride];
+ A = ptr[-r->intra_types_stride + 1]; // it won't be used for the last coefficient in a row
+ B = ptr[-r->intra_types_stride];
C = ptr[-1];
pattern = A + (B << 4) + (C << 8);
for(k = 0; k < MODE2_PATTERNS_NUM; k++)
if(--r->s.mb_skip_run)
return RV34_MB_SKIP;
- if(r->avail_cache[5-1])
+ if(r->avail_cache[6-1])
blocks[r->mb_type[mb_pos - 1]]++;
- if(r->avail_cache[5-4]){
+ if(r->avail_cache[6-4]){
blocks[r->mb_type[mb_pos - s->mb_stride]]++;
- if(r->avail_cache[5-2])
+ if(r->avail_cache[6-2])
blocks[r->mb_type[mb_pos - s->mb_stride + 1]]++;
- if(r->avail_cache[5-5])
+ if(r->avail_cache[6-5])
blocks[r->mb_type[mb_pos - s->mb_stride - 1]]++;
}
}
}
-static inline void rv40_adaptive_loop_filter(uint8_t *src, const int step,
+static av_always_inline void rv40_adaptive_loop_filter(uint8_t *src, const int step,
const int stride, const int dmode,
const int lim_q1, const int lim_p1,
const int alpha,
return 0;
}
-AVCodec rv40_decoder = {
+AVCodec ff_rv40_decoder = {
"rv40",
- CODEC_TYPE_VIDEO,
+ AVMEDIA_TYPE_VIDEO,
CODEC_ID_RV40,
sizeof(RV34DecContext),
rv40_decode_init,
projects / ffmpeg / blobdiff