/*
- * 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/intrax8.c
+ * @file
* @brief IntraX8 (J-Frame) subdecoder, used by WMV2 and VC-1
*/
#include "avcodec.h"
-#include "bitstream.h"
+#include "get_bits.h"
#include "mpegvideo.h"
#include "msmpeg4data.h"
#include "intrax8huf.h"
static VLC j_dc_vlc[2][8]; //[quant], [select]
static VLC j_orient_vlc[2][4]; //[quant], [select]
-static void x8_vlc_init(void){
+static av_cold void x8_vlc_init(void){
int i;
+ int offset = 0;
+ int sizeidx = 0;
+ static const uint16_t sizes[8*4 + 8*2 + 2 + 4] = {
+ 576, 548, 582, 618, 546, 616, 560, 642,
+ 584, 582, 704, 664, 512, 544, 656, 640,
+ 512, 648, 582, 566, 532, 614, 596, 648,
+ 586, 552, 584, 590, 544, 578, 584, 624,
+
+ 528, 528, 526, 528, 536, 528, 526, 544,
+ 544, 512, 512, 528, 528, 544, 512, 544,
+
+ 128, 128, 128, 128, 128, 128};
+
+ static VLC_TYPE table[28150][2];
#define init_ac_vlc(dst,src) \
+ dst.table = &table[offset]; \
+ dst.table_allocated = sizes[sizeidx]; \
+ offset += sizes[sizeidx++]; \
init_vlc(&dst, \
AC_VLC_BITS,77, \
&src[1],4,2, \
&src[0],4,2, \
- 1)
+ INIT_VLC_USE_NEW_STATIC)
//set ac tables
for(i=0;i<8;i++){
init_ac_vlc( j_ac_vlc[0][0][i], x8_ac0_highquant_table[i][0] );
//set dc tables
#define init_dc_vlc(dst,src) \
+ dst.table = &table[offset]; \
+ dst.table_allocated = sizes[sizeidx]; \
+ offset += sizes[sizeidx++]; \
init_vlc(&dst, \
DC_VLC_BITS,34, \
&src[1],4,2, \
&src[0],4,2, \
- 1);
+ INIT_VLC_USE_NEW_STATIC);
for(i=0;i<8;i++){
init_dc_vlc( j_dc_vlc[0][i], x8_dc_highquant_table[i][0]);
init_dc_vlc( j_dc_vlc[1][i], x8_dc_lowquant_table [i][0]);
//set orient tables
#define init_or_vlc(dst,src) \
+ dst.table = &table[offset]; \
+ dst.table_allocated = sizes[sizeidx]; \
+ offset += sizes[sizeidx++]; \
init_vlc(&dst, \
OR_VLC_BITS,12, \
&src[1],4,2, \
&src[0],4,2, \
- 1);
+ INIT_VLC_USE_NEW_STATIC);
for(i=0;i<2;i++){
init_or_vlc( j_orient_vlc[0][i], x8_orient_highquant_table[i][0]);
}
for(i=0;i<4;i++){
init_or_vlc( j_orient_vlc[1][i], x8_orient_lowquant_table [i][0])
}
+ if (offset != sizeof(table)/sizeof(VLC_TYPE)/2)
+ av_log(NULL, AV_LOG_ERROR, "table size %i does not match needed %i\n", (int)(sizeof(table)/sizeof(VLC_TYPE)/2), offset);
}
#undef init_or_vlc
int quant;
s->dsp.x8_setup_spatial_compensation(s->dest[chroma], s->edge_emu_buffer,
- s->current_picture.linesize[chroma>0],
+ s->current_picture.f.linesize[chroma>0],
&range, &sum, w->edges);
if(chroma){
w->orient=w->chroma_orient;
dc_level+= (w->predicted_dc*divide_quant + (1<<12) )>>13;
dsp_x8_put_solidcolor( av_clip_uint8((dc_level*dc_quant+4)>>3),
- s->dest[chroma], s->current_picture.linesize[!!chroma]);
+ s->dest[chroma], s->current_picture.f.linesize[!!chroma]);
goto block_placed;
}
}
if(w->flat_dc){
- dsp_x8_put_solidcolor(w->predicted_dc, s->dest[chroma], s->current_picture.linesize[!!chroma]);
+ dsp_x8_put_solidcolor(w->predicted_dc, s->dest[chroma], s->current_picture.f.linesize[!!chroma]);
}else{
s->dsp.x8_spatial_compensation[w->orient]( s->edge_emu_buffer,
s->dest[chroma],
- s->current_picture.linesize[!!chroma] );
+ s->current_picture.f.linesize[!!chroma] );
}
if(!zeros_only)
s->dsp.idct_add ( s->dest[chroma],
- s->current_picture.linesize[!!chroma],
+ s->current_picture.f.linesize[!!chroma],
s->block[0] );
block_placed:
if(s->loop_filter){
uint8_t* ptr = s->dest[chroma];
- int linesize = s->current_picture.linesize[!!chroma];
+ int linesize = s->current_picture.f.linesize[!!chroma];
if(!( (w->edges&2) || ( zeros_only && (w->orient|4)==4 ) )){
s->dsp.x8_h_loop_filter(ptr, linesize, w->quant);
static void x8_init_block_index(MpegEncContext *s){ //FIXME maybe merge with ff_*
//not s->linesize as this would be wrong for field pics
//not that IntraX8 has interlacing support ;)
- const int linesize = s->current_picture.linesize[0];
- const int uvlinesize= s->current_picture.linesize[1];
+ const int linesize = s->current_picture.f.linesize[0];
+ const int uvlinesize = s->current_picture.f.linesize[1];
- s->dest[0] = s->current_picture.data[0];
- s->dest[1] = s->current_picture.data[1];
- s->dest[2] = s->current_picture.data[2];
+ s->dest[0] = s->current_picture.f.data[0];
+ s->dest[1] = s->current_picture.f.data[1];
+ s->dest[2] = s->current_picture.f.data[2];
s->dest[0] += s->mb_y * linesize << 3;
s->dest[1] += ( s->mb_y&(~1) ) * uvlinesize << 2;//chroma blocks are on add rows
* @param w pointer to IntraX8Context
* @param s pointer to MpegEncContext of the parent codec
*/
-void ff_intrax8_common_init(IntraX8Context * w, MpegEncContext * const s){
+av_cold void ff_intrax8_common_init(IntraX8Context * w, MpegEncContext * const s){
w->s=s;
x8_vlc_init();
* Destroy IntraX8 frame structure.
* @param w pointer to IntraX8Context
*/
-void ff_intrax8_common_end(IntraX8Context * w)
+av_cold void ff_intrax8_common_end(IntraX8Context * w)
{
av_freep(&w->prediction_table);
}
/*emulate MB info in the relevant tables*/
s->mbskip_table [mb_xy]=0;
s->mbintra_table[mb_xy]=1;
- s->current_picture.qscale_table[mb_xy]=w->quant;
+ s->current_picture.f.qscale_table[mb_xy] = w->quant;
mb_xy++;
}
s->dest[0]+= 8;
error:
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y,
(s->mb_x>>1)-1, (s->mb_y>>1)-1,
- (AC_END|DC_END|MV_END) );
+ ER_MB_END );
return 0;
}
projects / ffmpeg / blobdiff