* 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 "vc1data.h"
#include "vc1acdata.h"
#include "msmpeg4data.h"
+#include "unary.h"
+#include "simple_idct.h"
#undef NDEBUG
#include <assert.h>
static const uint16_t table_mb_intra[64][2];
-/**
- * Get unary code of limited length
- * @fixme FIXME Slow and ugly
- * @param gb GetBitContext
- * @param[in] stop The bitstop value (unary code of 1's or 0's)
- * @param[in] len Maximum length
- * @return Unary length/index
- */
-static int get_prefix(GetBitContext *gb, int stop, int len)
-{
-#if 1
- int i;
-
- for(i = 0; i < len && get_bits1(gb) != stop; i++);
- return i;
-/* int i = 0, tmp = !stop;
-
- while (i != len && tmp != stop)
- {
- tmp = get_bits(gb, 1);
- i++;
- }
- if (i == len && tmp != stop) return len+1;
- return i;*/
-#else
- unsigned int buf;
- int log;
-
- OPEN_READER(re, gb);
- UPDATE_CACHE(re, gb);
- buf=GET_CACHE(re, gb); //Still not sure
- if (stop) buf = ~buf;
-
- log= av_log2(-buf); //FIXME: -?
- if (log < limit){
- LAST_SKIP_BITS(re, gb, log+1);
- CLOSE_READER(re, gb);
- return log;
- }
-
- LAST_SKIP_BITS(re, gb, limit);
- CLOSE_READER(re, gb);
- return limit;
-#endif
-}
-
-static inline int decode210(GetBitContext *gb){
- int n;
- n = get_bits1(gb);
- if (n == 1)
- return 0;
- else
- return 2 - get_bits1(gb);
-}
-
/**
* Init VC-1 specific tables and VC1Context members
* @param v The VC1Context to initialize
int x, y;
for (y=0; y<height; y++){
- if (!get_bits(gb, 1)) //rowskip
+ if (!get_bits1(gb)) //rowskip
memset(plane, 0, width);
else
for (x=0; x<width; x++)
- plane[x] = get_bits(gb, 1);
+ plane[x] = get_bits1(gb);
plane += stride;
}
}
* @param[in] width Width of this buffer
* @param[in] height Height of this buffer
* @param[in] stride of this buffer
- * @fixme FIXME: Optimize
+ * @todo FIXME: Optimize
*/
static void decode_colskip(uint8_t* plane, int width, int height, int stride, GetBitContext *gb){
int x, y;
for (x=0; x<width; x++){
- if (!get_bits(gb, 1)) //colskip
+ if (!get_bits1(gb)) //colskip
for (y=0; y<height; y++)
plane[y*stride] = 0;
else
for (y=0; y<height; y++)
- plane[y*stride] = get_bits(gb, 1);
+ plane[y*stride] = get_bits1(gb);
plane ++;
}
}
* @param bp Bitplane where to store the decode bits
* @param v VC-1 context for bit reading and logging
* @return Status
- * @fixme FIXME: Optimize
+ * @todo FIXME: Optimize
*/
static int bitplane_decoding(uint8_t* data, int *raw_flag, VC1Context *v)
{
width = v->s.mb_width;
height = v->s.mb_height;
stride = v->s.mb_stride;
- invert = get_bits(gb, 1);
+ invert = get_bits1(gb);
imode = get_vlc2(gb, ff_vc1_imode_vlc.table, VC1_IMODE_VLC_BITS, 1);
*raw_flag = 0;
case IMODE_NORM2:
if ((height * width) & 1)
{
- *planep++ = get_bits(gb, 1);
+ *planep++ = get_bits1(gb);
offset = 1;
}
else offset = 0;
}
else
{
- v->dquantfrm = get_bits(gb, 1);
+ v->dquantfrm = get_bits1(gb);
if ( v->dquantfrm )
{
v->dqprofile = get_bits(gb, 2);
v->dqsbedge = get_bits(gb, 2);
break;
case DQPROFILE_ALL_MBS:
- v->dqbilevel = get_bits(gb, 1);
+ v->dqbilevel = get_bits1(gb);
+ if(!v->dqbilevel)
+ v->halfpq = 0;
default: break; //Forbidden ?
}
if (v->dqbilevel || v->dqprofile != DQPROFILE_ALL_MBS)
my = s->mv[dir][0][1];
// store motion vectors for further use in B frames
- if(s->pict_type == P_TYPE) {
+ if(s->pict_type == FF_P_TYPE) {
s->current_picture.motion_val[1][s->block_index[0]][0] = mx;
s->current_picture.motion_val[1][s->block_index[0]][1] = my;
}
if (v->profile == PROFILE_ADVANCED)
{
+ v->zz_8x4 = ff_vc1_adv_progressive_8x4_zz;
+ v->zz_4x8 = ff_vc1_adv_progressive_4x8_zz;
return decode_sequence_header_adv(v, gb);
}
else
{
+ v->zz_8x4 = ff_vc1_simple_progressive_8x4_zz;
+ v->zz_4x8 = ff_vc1_simple_progressive_4x8_zz;
v->res_sm = get_bits(gb, 2); //reserved
if (v->res_sm)
{
v->frmrtq_postproc = get_bits(gb, 3); //common
// (bitrate-32kbps)/64kbps
v->bitrtq_postproc = get_bits(gb, 5); //common
- v->s.loop_filter = get_bits(gb, 1); //common
+ v->s.loop_filter = get_bits1(gb); //common
if(v->s.loop_filter == 1 && v->profile == PROFILE_SIMPLE)
{
av_log(avctx, AV_LOG_ERROR,
"LOOPFILTER shell not be enabled in simple profile\n");
}
- v->res_x8 = get_bits(gb, 1); //reserved
- if (v->res_x8)
- {
- av_log(avctx, AV_LOG_ERROR,
- "1 for reserved RES_X8 is forbidden\n");
- //return -1;
- }
- v->multires = get_bits(gb, 1);
- v->res_fasttx = get_bits(gb, 1);
+ v->res_x8 = get_bits1(gb); //reserved
+ v->multires = get_bits1(gb);
+ v->res_fasttx = get_bits1(gb);
if (!v->res_fasttx)
{
- av_log(avctx, AV_LOG_ERROR,
- "0 for reserved RES_FASTTX is forbidden\n");
- //return -1;
+ v->s.dsp.vc1_inv_trans_8x8 = ff_simple_idct;
+ v->s.dsp.vc1_inv_trans_8x4 = ff_simple_idct84_add;
+ v->s.dsp.vc1_inv_trans_4x8 = ff_simple_idct48_add;
+ v->s.dsp.vc1_inv_trans_4x4 = ff_simple_idct44_add;
}
- v->fastuvmc = get_bits(gb, 1); //common
+ v->fastuvmc = get_bits1(gb); //common
if (!v->profile && !v->fastuvmc)
{
av_log(avctx, AV_LOG_ERROR,
"FASTUVMC unavailable in Simple Profile\n");
return -1;
}
- v->extended_mv = get_bits(gb, 1); //common
+ v->extended_mv = get_bits1(gb); //common
if (!v->profile && v->extended_mv)
{
av_log(avctx, AV_LOG_ERROR,
return -1;
}
v->dquant = get_bits(gb, 2); //common
- v->vstransform = get_bits(gb, 1); //common
+ v->vstransform = get_bits1(gb); //common
- v->res_transtab = get_bits(gb, 1);
+ v->res_transtab = get_bits1(gb);
if (v->res_transtab)
{
av_log(avctx, AV_LOG_ERROR,
return -1;
}
- v->overlap = get_bits(gb, 1); //common
+ v->overlap = get_bits1(gb); //common
- v->s.resync_marker = get_bits(gb, 1);
- v->rangered = get_bits(gb, 1);
+ v->s.resync_marker = get_bits1(gb);
+ v->rangered = get_bits1(gb);
if (v->rangered && v->profile == PROFILE_SIMPLE)
{
av_log(avctx, AV_LOG_INFO,
v->s.max_b_frames = avctx->max_b_frames = get_bits(gb, 3); //common
v->quantizer_mode = get_bits(gb, 2); //common
- v->finterpflag = get_bits(gb, 1); //common
- v->res_rtm_flag = get_bits(gb, 1); //reserved
+ v->finterpflag = get_bits1(gb); //common
+ v->res_rtm_flag = get_bits1(gb); //reserved
if (!v->res_rtm_flag)
{
// av_log(avctx, AV_LOG_ERROR,
v->frmrtq_postproc = get_bits(gb, 3); //common
// (bitrate-32kbps)/64kbps
v->bitrtq_postproc = get_bits(gb, 5); //common
- v->postprocflag = get_bits(gb, 1); //common
+ v->postprocflag = get_bits1(gb); //common
v->s.avctx->coded_width = (get_bits(gb, 12) + 1) << 1;
v->s.avctx->coded_height = (get_bits(gb, 12) + 1) << 1;
v->interlace = get_bits1(gb);
v->tfcntrflag = get_bits1(gb);
v->finterpflag = get_bits1(gb);
- get_bits1(gb); // reserved
+ skip_bits1(gb); // reserved
v->s.h_edge_pos = v->s.avctx->coded_width;
v->s.v_edge_pos = v->s.avctx->coded_height;
if(v->hrd_param_flag) {
int i;
v->hrd_num_leaky_buckets = get_bits(gb, 5);
- get_bits(gb, 4); //bitrate exponent
- get_bits(gb, 4); //buffer size exponent
+ skip_bits(gb, 4); //bitrate exponent
+ skip_bits(gb, 4); //buffer size exponent
for(i = 0; i < v->hrd_num_leaky_buckets; i++) {
- get_bits(gb, 16); //hrd_rate[n]
- get_bits(gb, 16); //hrd_buffer[n]
+ skip_bits(gb, 16); //hrd_rate[n]
+ skip_bits(gb, 16); //hrd_buffer[n]
}
}
return 0;
if(v->hrd_param_flag){
for(i = 0; i < v->hrd_num_leaky_buckets; i++) {
- get_bits(gb, 8); //hrd_full[n]
+ skip_bits(gb, 8); //hrd_full[n]
}
}
{
int pqindex, lowquant, status;
- if(v->finterpflag) v->interpfrm = get_bits(gb, 1);
+ if(v->finterpflag) v->interpfrm = get_bits1(gb);
skip_bits(gb, 2); //framecnt unused
v->rangeredfrm = 0;
- if (v->rangered) v->rangeredfrm = get_bits(gb, 1);
- v->s.pict_type = get_bits(gb, 1);
+ if (v->rangered) v->rangeredfrm = get_bits1(gb);
+ v->s.pict_type = get_bits1(gb);
if (v->s.avctx->max_b_frames) {
if (!v->s.pict_type) {
- if (get_bits(gb, 1)) v->s.pict_type = I_TYPE;
- else v->s.pict_type = B_TYPE;
- } else v->s.pict_type = P_TYPE;
- } else v->s.pict_type = v->s.pict_type ? P_TYPE : I_TYPE;
+ if (get_bits1(gb)) v->s.pict_type = FF_I_TYPE;
+ else v->s.pict_type = FF_B_TYPE;
+ } else v->s.pict_type = FF_P_TYPE;
+ } else v->s.pict_type = v->s.pict_type ? FF_P_TYPE : FF_I_TYPE;
v->bi_type = 0;
- if(v->s.pict_type == B_TYPE) {
+ if(v->s.pict_type == FF_B_TYPE) {
v->bfraction = get_vlc2(gb, ff_vc1_bfraction_vlc.table, VC1_BFRACTION_VLC_BITS, 1);
v->bfraction = ff_vc1_bfraction_lut[v->bfraction];
if(v->bfraction == 0) {
- v->s.pict_type = BI_TYPE;
+ v->s.pict_type = FF_BI_TYPE;
}
}
- if(v->s.pict_type == I_TYPE || v->s.pict_type == BI_TYPE)
- get_bits(gb, 7); // skip buffer fullness
+ if(v->s.pict_type == FF_I_TYPE || v->s.pict_type == FF_BI_TYPE)
+ skip_bits(gb, 7); // skip buffer fullness
/* calculate RND */
- if(v->s.pict_type == I_TYPE || v->s.pict_type == BI_TYPE)
+ if(v->s.pict_type == FF_I_TYPE || v->s.pict_type == FF_BI_TYPE)
v->rnd = 1;
- if(v->s.pict_type == P_TYPE)
+ if(v->s.pict_type == FF_P_TYPE)
v->rnd ^= 1;
/* Quantizer stuff */
pqindex = get_bits(gb, 5);
+ if(!pqindex) return -1;
if (v->quantizer_mode == QUANT_FRAME_IMPLICIT)
v->pq = ff_vc1_pquant_table[0][pqindex];
else
if (v->quantizer_mode == QUANT_NON_UNIFORM)
v->pquantizer = 0;
v->pqindex = pqindex;
- if (pqindex < 9) v->halfpq = get_bits(gb, 1);
+ if (pqindex < 9) v->halfpq = get_bits1(gb);
else v->halfpq = 0;
if (v->quantizer_mode == QUANT_FRAME_EXPLICIT)
- v->pquantizer = get_bits(gb, 1);
+ v->pquantizer = get_bits1(gb);
v->dquantfrm = 0;
- if (v->extended_mv == 1) v->mvrange = get_prefix(gb, 0, 3);
+ if (v->extended_mv == 1) v->mvrange = get_unary(gb, 0, 3);
v->k_x = v->mvrange + 9 + (v->mvrange >> 1); //k_x can be 9 10 12 13
v->k_y = v->mvrange + 8; //k_y can be 8 9 10 11
v->range_x = 1 << (v->k_x - 1);
v->range_y = 1 << (v->k_y - 1);
if (v->profile == PROFILE_ADVANCED)
{
- if (v->postprocflag) v->postproc = get_bits(gb, 1);
+ if (v->postprocflag) v->postproc = get_bits1(gb);
}
else
- if (v->multires && v->s.pict_type != B_TYPE) v->respic = get_bits(gb, 2);
+ if (v->multires && v->s.pict_type != FF_B_TYPE) v->respic = get_bits(gb, 2);
- if(v->res_x8 && (v->s.pict_type == I_TYPE || v->s.pict_type == BI_TYPE)){
- if(get_bits1(gb))return -1;
- }
+ if(v->res_x8 && (v->s.pict_type == FF_I_TYPE || v->s.pict_type == FF_BI_TYPE)){
+ v->x8_type = get_bits1(gb);
+ }else v->x8_type = 0;
//av_log(v->s.avctx, AV_LOG_INFO, "%c Frame: QP=[%i]%i (+%i/2) %i\n",
-// (v->s.pict_type == P_TYPE) ? 'P' : ((v->s.pict_type == I_TYPE) ? 'I' : 'B'), pqindex, v->pq, v->halfpq, v->rangeredfrm);
+// (v->s.pict_type == FF_P_TYPE) ? 'P' : ((v->s.pict_type == FF_I_TYPE) ? 'I' : 'B'), pqindex, v->pq, v->halfpq, v->rangeredfrm);
- if(v->s.pict_type == I_TYPE || v->s.pict_type == P_TYPE) v->use_ic = 0;
+ if(v->s.pict_type == FF_I_TYPE || v->s.pict_type == FF_P_TYPE) v->use_ic = 0;
switch(v->s.pict_type) {
- case P_TYPE:
+ case FF_P_TYPE:
if (v->pq < 5) v->tt_index = 0;
else if(v->pq < 13) v->tt_index = 1;
else v->tt_index = 2;
lowquant = (v->pq > 12) ? 0 : 1;
- v->mv_mode = ff_vc1_mv_pmode_table[lowquant][get_prefix(gb, 1, 4)];
+ v->mv_mode = ff_vc1_mv_pmode_table[lowquant][get_unary(gb, 1, 4)];
if (v->mv_mode == MV_PMODE_INTENSITY_COMP)
{
int scale, shift, i;
- v->mv_mode2 = ff_vc1_mv_pmode_table2[lowquant][get_prefix(gb, 1, 3)];
+ v->mv_mode2 = ff_vc1_mv_pmode_table2[lowquant][get_unary(gb, 1, 3)];
v->lumscale = get_bits(gb, 6);
v->lumshift = get_bits(gb, 6);
v->use_ic = 1;
v->ttfrm = 0; //FIXME Is that so ?
if (v->vstransform)
{
- v->ttmbf = get_bits(gb, 1);
+ v->ttmbf = get_bits1(gb);
if (v->ttmbf)
{
v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)];
v->ttfrm = TT_8X8;
}
break;
- case B_TYPE:
+ case FF_B_TYPE:
if (v->pq < 5) v->tt_index = 0;
else if(v->pq < 13) v->tt_index = 1;
else v->tt_index = 2;
v->ttfrm = 0;
if (v->vstransform)
{
- v->ttmbf = get_bits(gb, 1);
+ v->ttmbf = get_bits1(gb);
if (v->ttmbf)
{
v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)];
break;
}
- /* AC Syntax */
- v->c_ac_table_index = decode012(gb);
- if (v->s.pict_type == I_TYPE || v->s.pict_type == BI_TYPE)
+ if(!v->x8_type)
{
- v->y_ac_table_index = decode012(gb);
+ /* AC Syntax */
+ v->c_ac_table_index = decode012(gb);
+ if (v->s.pict_type == FF_I_TYPE || v->s.pict_type == FF_BI_TYPE)
+ {
+ v->y_ac_table_index = decode012(gb);
+ }
+ /* DC Syntax */
+ v->s.dc_table_index = get_bits1(gb);
}
- /* DC Syntax */
- v->s.dc_table_index = get_bits(gb, 1);
- if(v->s.pict_type == BI_TYPE) {
- v->s.pict_type = B_TYPE;
+ if(v->s.pict_type == FF_BI_TYPE) {
+ v->s.pict_type = FF_B_TYPE;
v->bi_type = 1;
}
return 0;
v->fcm = decode012(gb);
if(v->fcm) return -1; // interlaced frames/fields are not implemented
}
- switch(get_prefix(gb, 0, 4)) {
+ switch(get_unary(gb, 0, 4)) {
case 0:
- v->s.pict_type = P_TYPE;
+ v->s.pict_type = FF_P_TYPE;
break;
case 1:
- v->s.pict_type = B_TYPE;
+ v->s.pict_type = FF_B_TYPE;
break;
case 2:
- v->s.pict_type = I_TYPE;
+ v->s.pict_type = FF_I_TYPE;
break;
case 3:
- v->s.pict_type = BI_TYPE;
+ v->s.pict_type = FF_BI_TYPE;
break;
case 4:
- v->s.pict_type = P_TYPE; // skipped pic
+ v->s.pict_type = FF_P_TYPE; // skipped pic
v->p_frame_skipped = 1;
return 0;
}
if(v->tfcntrflag)
- get_bits(gb, 8);
+ skip_bits(gb, 8);
if(v->broadcast) {
if(!v->interlace || v->psf) {
v->rptfrm = get_bits(gb, 2);
v->rnd = get_bits1(gb);
if(v->interlace)
v->uvsamp = get_bits1(gb);
- if(v->finterpflag) v->interpfrm = get_bits(gb, 1);
- if(v->s.pict_type == B_TYPE) {
+ if(v->finterpflag) v->interpfrm = get_bits1(gb);
+ if(v->s.pict_type == FF_B_TYPE) {
v->bfraction = get_vlc2(gb, ff_vc1_bfraction_vlc.table, VC1_BFRACTION_VLC_BITS, 1);
v->bfraction = ff_vc1_bfraction_lut[v->bfraction];
if(v->bfraction == 0) {
- v->s.pict_type = BI_TYPE; /* XXX: should not happen here */
+ v->s.pict_type = FF_BI_TYPE; /* XXX: should not happen here */
}
}
pqindex = get_bits(gb, 5);
+ if(!pqindex) return -1;
v->pqindex = pqindex;
if (v->quantizer_mode == QUANT_FRAME_IMPLICIT)
v->pq = ff_vc1_pquant_table[0][pqindex];
if (v->quantizer_mode == QUANT_NON_UNIFORM)
v->pquantizer = 0;
v->pqindex = pqindex;
- if (pqindex < 9) v->halfpq = get_bits(gb, 1);
+ if (pqindex < 9) v->halfpq = get_bits1(gb);
else v->halfpq = 0;
if (v->quantizer_mode == QUANT_FRAME_EXPLICIT)
- v->pquantizer = get_bits(gb, 1);
+ v->pquantizer = get_bits1(gb);
- if(v->s.pict_type == I_TYPE || v->s.pict_type == P_TYPE) v->use_ic = 0;
+ if(v->s.pict_type == FF_I_TYPE || v->s.pict_type == FF_P_TYPE) v->use_ic = 0;
switch(v->s.pict_type) {
- case I_TYPE:
- case BI_TYPE:
+ case FF_I_TYPE:
+ case FF_BI_TYPE:
status = bitplane_decoding(v->acpred_plane, &v->acpred_is_raw, v);
if (status < 0) return -1;
av_log(v->s.avctx, AV_LOG_DEBUG, "ACPRED plane encoding: "
}
}
break;
- case P_TYPE:
+ case FF_P_TYPE:
if(v->postprocflag)
v->postproc = get_bits1(gb);
- if (v->extended_mv) v->mvrange = get_prefix(gb, 0, 3);
+ if (v->extended_mv) v->mvrange = get_unary(gb, 0, 3);
else v->mvrange = 0;
v->k_x = v->mvrange + 9 + (v->mvrange >> 1); //k_x can be 9 10 12 13
v->k_y = v->mvrange + 8; //k_y can be 8 9 10 11
else v->tt_index = 2;
lowquant = (v->pq > 12) ? 0 : 1;
- v->mv_mode = ff_vc1_mv_pmode_table[lowquant][get_prefix(gb, 1, 4)];
+ v->mv_mode = ff_vc1_mv_pmode_table[lowquant][get_unary(gb, 1, 4)];
if (v->mv_mode == MV_PMODE_INTENSITY_COMP)
{
int scale, shift, i;
- v->mv_mode2 = ff_vc1_mv_pmode_table2[lowquant][get_prefix(gb, 1, 3)];
+ v->mv_mode2 = ff_vc1_mv_pmode_table2[lowquant][get_unary(gb, 1, 3)];
v->lumscale = get_bits(gb, 6);
v->lumshift = get_bits(gb, 6);
/* fill lookup tables for intensity compensation */
v->ttfrm = 0; //FIXME Is that so ?
if (v->vstransform)
{
- v->ttmbf = get_bits(gb, 1);
+ v->ttmbf = get_bits1(gb);
if (v->ttmbf)
{
v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)];
v->ttfrm = TT_8X8;
}
break;
- case B_TYPE:
+ case FF_B_TYPE:
if(v->postprocflag)
v->postproc = get_bits1(gb);
- if (v->extended_mv) v->mvrange = get_prefix(gb, 0, 3);
+ if (v->extended_mv) v->mvrange = get_unary(gb, 0, 3);
else v->mvrange = 0;
v->k_x = v->mvrange + 9 + (v->mvrange >> 1); //k_x can be 9 10 12 13
v->k_y = v->mvrange + 8; //k_y can be 8 9 10 11
v->ttfrm = 0;
if (v->vstransform)
{
- v->ttmbf = get_bits(gb, 1);
+ v->ttmbf = get_bits1(gb);
if (v->ttmbf)
{
v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)];
/* AC Syntax */
v->c_ac_table_index = decode012(gb);
- if (v->s.pict_type == I_TYPE || v->s.pict_type == BI_TYPE)
+ if (v->s.pict_type == FF_I_TYPE || v->s.pict_type == FF_BI_TYPE)
{
v->y_ac_table_index = decode012(gb);
}
/* DC Syntax */
- v->s.dc_table_index = get_bits(gb, 1);
- if ((v->s.pict_type == I_TYPE || v->s.pict_type == BI_TYPE) && v->dquant) {
+ v->s.dc_table_index = get_bits1(gb);
+ if ((v->s.pict_type == FF_I_TYPE || v->s.pict_type == FF_BI_TYPE) && v->dquant) {
av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n");
vop_dquant_decoding(v);
}
v->bi_type = 0;
- if(v->s.pict_type == BI_TYPE) {
- v->s.pict_type = B_TYPE;
+ if(v->s.pict_type == FF_BI_TYPE) {
+ v->s.pict_type = FF_B_TYPE;
v->bi_type = 1;
}
return 0;
{ \
if (v->dqbilevel) \
{ \
- mquant = (get_bits(gb, 1)) ? v->altpq : v->pq; \
+ mquant = (get_bits1(gb)) ? v->altpq : v->pq; \
} \
else \
{ \
run = vc1_index_decode_table[codingset][index][0];
level = vc1_index_decode_table[codingset][index][1];
lst = index >= vc1_last_decode_table[codingset];
- if(get_bits(gb, 1))
+ if(get_bits1(gb))
level = -level;
} else {
escape = decode210(gb);
else
run += vc1_delta_run_table[codingset][level] + 1;
}
- if(get_bits(gb, 1))
+ if(get_bits1(gb))
level = -level;
} else {
int sign;
- lst = get_bits(gb, 1);
+ lst = get_bits1(gb);
if(v->s.esc3_level_length == 0) {
if(v->pq < 8 || v->dquantfrm) { // table 59
v->s.esc3_level_length = get_bits(gb, 3);
if(!v->s.esc3_level_length)
v->s.esc3_level_length = get_bits(gb, 2) + 8;
} else { //table 60
- v->s.esc3_level_length = get_prefix(gb, 1, 6) + 2;
+ v->s.esc3_level_length = get_unary(gb, 1, 6) + 2;
}
v->s.esc3_run_length = 3 + get_bits(gb, 2);
}
run = get_bits(gb, v->s.esc3_run_length);
- sign = get_bits(gb, 1);
+ sign = get_bits1(gb);
level = get_bits(gb, v->s.esc3_level_length);
if(sign)
level = -level;
if (v->pq == 1)
dcdiff = (dcdiff<<2) + get_bits(gb, 2) - 3;
else if (v->pq == 2)
- dcdiff = (dcdiff<<1) + get_bits(gb, 1) - 1;
+ dcdiff = (dcdiff<<1) + get_bits1(gb) - 1;
}
- if (get_bits(gb, 1))
+ if (get_bits1(gb))
dcdiff = -dcdiff;
}
if (mquant == 1)
dcdiff = (dcdiff<<2) + get_bits(gb, 2) - 3;
else if (mquant == 2)
- dcdiff = (dcdiff<<1) + get_bits(gb, 1) - 1;
+ dcdiff = (dcdiff<<1) + get_bits1(gb) - 1;
}
- if (get_bits(gb, 1))
+ if (get_bits1(gb))
dcdiff = -dcdiff;
}
ac_val = s->ac_val[0][0] + s->block_index[n] * 16;
ac_val2 = ac_val;
- scale = mquant * 2 + v->halfpq;
+ scale = mquant * 2 + ((mquant == v->pq) ? v->halfpq : 0);
if(dc_pred_dir) //left
ac_val -= 16;
if (mquant == 1)
dcdiff = (dcdiff<<2) + get_bits(gb, 2) - 3;
else if (mquant == 2)
- dcdiff = (dcdiff<<1) + get_bits(gb, 1) - 1;
+ dcdiff = (dcdiff<<1) + get_bits1(gb) - 1;
}
- if (get_bits(gb, 1))
+ if (get_bits1(gb))
dcdiff = -dcdiff;
}
/** Decode P block
*/
-static int vc1_decode_p_block(VC1Context *v, DCTELEM block[64], int n, int mquant, int ttmb, int first_block)
+static int vc1_decode_p_block(VC1Context *v, DCTELEM block[64], int n, int mquant, int ttmb, int first_block,
+ uint8_t *dst, int linesize, int skip_block)
{
MpegEncContext *s = &v->s;
GetBitContext *gb = &s->gb;
if(!v->pquantizer)
block[idx] += (block[idx] < 0) ? -mquant : mquant;
}
- s->dsp.vc1_inv_trans_8x8(block);
+ if(!skip_block){
+ s->dsp.vc1_inv_trans_8x8(block);
+ s->dsp.add_pixels_clamped(block, dst, linesize);
+ }
break;
case TT_4X4:
for(j = 0; j < 4; j++) {
if(!v->pquantizer)
block[idx + off] += (block[idx + off] < 0) ? -mquant : mquant;
}
- if(!(subblkpat & (1 << (3 - j))))
- s->dsp.vc1_inv_trans_4x4(block, j);
+ if(!(subblkpat & (1 << (3 - j))) && !skip_block)
+ s->dsp.vc1_inv_trans_4x4(dst + (j&1)*4 + (j&2)*2*linesize, linesize, block + off);
}
break;
case TT_8X4:
i += skip;
if(i > 31)
break;
- if(v->profile < PROFILE_ADVANCED)
- idx = ff_vc1_simple_progressive_8x4_zz[i++];
- else
- idx = ff_vc1_adv_progressive_8x4_zz[i++];
- block[idx + off] = value * scale;
+ idx = v->zz_8x4[i++]+off;
+ block[idx] = value * scale;
if(!v->pquantizer)
- block[idx + off] += (block[idx + off] < 0) ? -mquant : mquant;
+ block[idx] += (block[idx] < 0) ? -mquant : mquant;
}
- if(!(subblkpat & (1 << (1 - j))))
- s->dsp.vc1_inv_trans_8x4(block, j);
+ if(!(subblkpat & (1 << (1 - j))) && !skip_block)
+ s->dsp.vc1_inv_trans_8x4(dst + j*4*linesize, linesize, block + off);
}
break;
case TT_4X8:
i += skip;
if(i > 31)
break;
- if(v->profile < PROFILE_ADVANCED)
- idx = ff_vc1_simple_progressive_4x8_zz[i++];
- else
- idx = ff_vc1_adv_progressive_4x8_zz[i++];
- block[idx + off] = value * scale;
+ idx = v->zz_4x8[i++]+off;
+ block[idx] = value * scale;
if(!v->pquantizer)
- block[idx + off] += (block[idx + off] < 0) ? -mquant : mquant;
+ block[idx] += (block[idx] < 0) ? -mquant : mquant;
}
- if(!(subblkpat & (1 << (1 - j))))
- s->dsp.vc1_inv_trans_4x8(block, j);
+ if(!(subblkpat & (1 << (1 - j))) && !skip_block)
+ s->dsp.vc1_inv_trans_4x8(dst + j*4, linesize, block + off);
}
break;
}
if (s->mb_intra && !mb_has_coeffs)
{
GET_MQUANT();
- s->ac_pred = get_bits(gb, 1);
+ s->ac_pred = get_bits1(gb);
cbp = 0;
}
else if (mb_has_coeffs)
{
- if (s->mb_intra) s->ac_pred = get_bits(gb, 1);
+ if (s->mb_intra) s->ac_pred = get_bits1(gb);
cbp = get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2);
GET_MQUANT();
}
if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
s->dsp.vc1_inv_trans_8x8(s->block[i]);
if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;
- for(j = 0; j < 64; j++) s->block[i][j] += 128;
- if(!v->res_fasttx && v->res_x8) for(j = 0; j < 64; j++) s->block[i][j] += 16;
- s->dsp.put_pixels_clamped(s->block[i], s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
+ s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
if(v->pq >= 9 && v->overlap) {
if(v->c_avail)
s->dsp.vc1_h_overlap(s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
s->dsp.vc1_v_overlap(s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
}
} else if(val) {
- vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block);
+ vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block, s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize, (i&4) && (s->flags & CODEC_FLAG_GRAY));
if(!v->ttmbf && ttmb < 8) ttmb = -1;
first_block = 0;
- if((i<4) || !(s->flags & CODEC_FLAG_GRAY))
- s->dsp.add_pixels_clamped(s->block[i], s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize);
}
}
}
break;
}
}
- if(intrapred)s->ac_pred = get_bits(gb, 1);
+ if(intrapred)s->ac_pred = get_bits1(gb);
else s->ac_pred = 0;
}
if (!v->ttmbf && coded_inter)
if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
s->dsp.vc1_inv_trans_8x8(s->block[i]);
if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;
- for(j = 0; j < 64; j++) s->block[i][j] += 128;
- if(!v->res_fasttx && v->res_x8) for(j = 0; j < 64; j++) s->block[i][j] += 16;
- s->dsp.put_pixels_clamped(s->block[i], s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize);
+ s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize);
if(v->pq >= 9 && v->overlap) {
if(v->c_avail)
s->dsp.vc1_h_overlap(s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
s->dsp.vc1_v_overlap(s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
}
} else if(is_coded[i]) {
- status = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block);
+ status = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block, s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize, (i&4) && (s->flags & CODEC_FLAG_GRAY));
if(!v->ttmbf && ttmb < 8) ttmb = -1;
first_block = 0;
- if((i<4) || !(s->flags & CODEC_FLAG_GRAY))
- s->dsp.add_pixels_clamped(s->block[i], s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize);
}
}
return status;
if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
s->dsp.vc1_inv_trans_8x8(s->block[i]);
if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;
- for(j = 0; j < 64; j++) s->block[i][j] += 128;
- s->dsp.put_pixels_clamped(s->block[i], s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
+ s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
} else if(val) {
- vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block);
+ vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block, s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize, (i&4) && (s->flags & CODEC_FLAG_GRAY));
if(!v->ttmbf && ttmb < 8) ttmb = -1;
first_block = 0;
- if((i<4) || !(s->flags & CODEC_FLAG_GRAY))
- s->dsp.add_pixels_clamped(s->block[i], s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize);
}
}
}
s->mb_x = s->mb_y = 0;
s->mb_intra = 1;
s->first_slice_line = 1;
- ff_er_add_slice(s, 0, 0, s->mb_width - 1, s->mb_height - 1, (AC_END|DC_END|MV_END));
for(s->mb_y = 0; s->mb_y < s->mb_height; s->mb_y++) {
for(s->mb_x = 0; s->mb_x < s->mb_width; s->mb_x++) {
ff_init_block_index(s);
// do actual MB decoding and displaying
cbp = get_vlc2(&v->s.gb, ff_msmp4_mb_i_vlc.table, MB_INTRA_VLC_BITS, 2);
- v->s.ac_pred = get_bits(&v->s.gb, 1);
+ v->s.ac_pred = get_bits1(&v->s.gb);
for(k = 0; k < 6; k++) {
val = ((cbp >> (5 - k)) & 1);
vc1_decode_i_block(v, s->block[k], k, val, (k<4)? v->codingset : v->codingset2);
s->dsp.vc1_inv_trans_8x8(s->block[k]);
- if(!v->res_fasttx && !v->res_x8) for(j = 0; j < 64; j++) s->block[k][j] -= 16;
if(v->pq >= 9 && v->overlap) {
for(j = 0; j < 64; j++) s->block[k][j] += 128;
}
}
if(get_bits_count(&s->gb) > v->bits) {
+ ff_er_add_slice(s, 0, 0, s->mb_x, s->mb_y, (AC_END|DC_END|MV_END));
av_log(s->avctx, AV_LOG_ERROR, "Bits overconsumption: %i > %i\n", get_bits_count(&s->gb), v->bits);
return;
}
ff_draw_horiz_band(s, s->mb_y * 16, 16);
s->first_slice_line = 0;
}
+ ff_er_add_slice(s, 0, 0, s->mb_width - 1, s->mb_height - 1, (AC_END|DC_END|MV_END));
}
/** Decode blocks of I-frame for advanced profile
s->mb_x = s->mb_y = 0;
s->mb_intra = 1;
s->first_slice_line = 1;
- ff_er_add_slice(s, 0, 0, s->mb_width - 1, s->mb_height - 1, (AC_END|DC_END|MV_END));
for(s->mb_y = 0; s->mb_y < s->mb_height; s->mb_y++) {
for(s->mb_x = 0; s->mb_x < s->mb_width; s->mb_x++) {
ff_init_block_index(s);
// do actual MB decoding and displaying
cbp = get_vlc2(&v->s.gb, ff_msmp4_mb_i_vlc.table, MB_INTRA_VLC_BITS, 2);
if(v->acpred_is_raw)
- v->s.ac_pred = get_bits(&v->s.gb, 1);
+ v->s.ac_pred = get_bits1(&v->s.gb);
else
v->s.ac_pred = v->acpred_plane[mb_pos];
if(v->condover == CONDOVER_SELECT) {
if(v->overflg_is_raw)
- overlap = get_bits(&v->s.gb, 1);
+ overlap = get_bits1(&v->s.gb);
else
overlap = v->over_flags_plane[mb_pos];
} else
}
if(get_bits_count(&s->gb) > v->bits) {
+ ff_er_add_slice(s, 0, 0, s->mb_x, s->mb_y, (AC_END|DC_END|MV_END));
av_log(s->avctx, AV_LOG_ERROR, "Bits overconsumption: %i > %i\n", get_bits_count(&s->gb), v->bits);
return;
}
ff_draw_horiz_band(s, s->mb_y * 16, 16);
s->first_slice_line = 0;
}
+ ff_er_add_slice(s, 0, 0, s->mb_width - 1, s->mb_height - 1, (AC_END|DC_END|MV_END));
}
static void vc1_decode_p_blocks(VC1Context *v)
break;
}
- ff_er_add_slice(s, 0, 0, s->mb_width - 1, s->mb_height - 1, (AC_END|DC_END|MV_END));
s->first_slice_line = 1;
for(s->mb_y = 0; s->mb_y < s->mb_height; s->mb_y++) {
for(s->mb_x = 0; s->mb_x < s->mb_width; s->mb_x++) {
vc1_decode_p_mb(v);
if(get_bits_count(&s->gb) > v->bits || get_bits_count(&s->gb) < 0) {
+ ff_er_add_slice(s, 0, 0, s->mb_x, s->mb_y, (AC_END|DC_END|MV_END));
av_log(s->avctx, AV_LOG_ERROR, "Bits overconsumption: %i > %i at %ix%i\n", get_bits_count(&s->gb), v->bits,s->mb_x,s->mb_y);
return;
}
ff_draw_horiz_band(s, s->mb_y * 16, 16);
s->first_slice_line = 0;
}
+ ff_er_add_slice(s, 0, 0, s->mb_width - 1, s->mb_height - 1, (AC_END|DC_END|MV_END));
}
static void vc1_decode_b_blocks(VC1Context *v)
break;
}
- ff_er_add_slice(s, 0, 0, s->mb_width - 1, s->mb_height - 1, (AC_END|DC_END|MV_END));
s->first_slice_line = 1;
for(s->mb_y = 0; s->mb_y < s->mb_height; s->mb_y++) {
for(s->mb_x = 0; s->mb_x < s->mb_width; s->mb_x++) {
vc1_decode_b_mb(v);
if(get_bits_count(&s->gb) > v->bits || get_bits_count(&s->gb) < 0) {
+ ff_er_add_slice(s, 0, 0, s->mb_x, s->mb_y, (AC_END|DC_END|MV_END));
av_log(s->avctx, AV_LOG_ERROR, "Bits overconsumption: %i > %i at %ix%i\n", get_bits_count(&s->gb), v->bits,s->mb_x,s->mb_y);
return;
}
ff_draw_horiz_band(s, s->mb_y * 16, 16);
s->first_slice_line = 0;
}
+ ff_er_add_slice(s, 0, 0, s->mb_width - 1, s->mb_height - 1, (AC_END|DC_END|MV_END));
}
static void vc1_decode_skip_blocks(VC1Context *v)
ff_draw_horiz_band(s, s->mb_y * 16, 16);
s->first_slice_line = 0;
}
- s->pict_type = P_TYPE;
+ s->pict_type = FF_P_TYPE;
}
static void vc1_decode_blocks(VC1Context *v)
{
v->s.esc3_level_length = 0;
+ if(v->x8_type){
+ ff_intrax8_decode_picture(&v->x8, 2*v->pq+v->halfpq, v->pq*(!v->pquantizer) );
+ }else{
- switch(v->s.pict_type) {
- case I_TYPE:
- if(v->profile == PROFILE_ADVANCED)
- vc1_decode_i_blocks_adv(v);
- else
- vc1_decode_i_blocks(v);
- break;
- case P_TYPE:
- if(v->p_frame_skipped)
- vc1_decode_skip_blocks(v);
- else
- vc1_decode_p_blocks(v);
- break;
- case B_TYPE:
- if(v->bi_type){
+ switch(v->s.pict_type) {
+ case FF_I_TYPE:
if(v->profile == PROFILE_ADVANCED)
vc1_decode_i_blocks_adv(v);
else
vc1_decode_i_blocks(v);
- }else
- vc1_decode_b_blocks(v);
- break;
+ break;
+ case FF_P_TYPE:
+ if(v->p_frame_skipped)
+ vc1_decode_skip_blocks(v);
+ else
+ vc1_decode_p_blocks(v);
+ break;
+ case FF_B_TYPE:
+ if(v->bi_type){
+ if(v->profile == PROFILE_ADVANCED)
+ vc1_decode_i_blocks_adv(v);
+ else
+ vc1_decode_i_blocks(v);
+ }else
+ vc1_decode_b_blocks(v);
+ break;
+ }
}
}
/** Find VC-1 marker in buffer
* @return position where next marker starts or end of buffer if no marker found
*/
-static av_always_inline uint8_t* find_next_marker(uint8_t *src, uint8_t *end)
+static av_always_inline const uint8_t* find_next_marker(const uint8_t *src, const uint8_t *end)
{
uint32_t mrk = 0xFFFFFFFF;
return end;
}
-static av_always_inline int vc1_unescape_buffer(uint8_t *src, int size, uint8_t *dst)
+static av_always_inline int vc1_unescape_buffer(const uint8_t *src, int size, uint8_t *dst)
{
int dsize = 0, i;
avctx->flags |= CODEC_FLAG_EMU_EDGE;
v->s.flags |= CODEC_FLAG_EMU_EDGE;
+ if(avctx->idct_algo==FF_IDCT_AUTO){
+ avctx->idct_algo=FF_IDCT_WMV2;
+ }
+
if(ff_h263_decode_init(avctx) < 0)
return -1;
if (vc1_init_common(v) < 0) return -1;
av_log(avctx, AV_LOG_INFO, "Read %i bits in overflow\n", -count);
}
} else { // VC1/WVC1
- uint8_t *start = avctx->extradata, *end = avctx->extradata + avctx->extradata_size;
- uint8_t *next; int size, buf2_size;
+ const uint8_t *start = avctx->extradata;
+ uint8_t *end = avctx->extradata + avctx->extradata_size;
+ const uint8_t *next;
+ int size, buf2_size;
uint8_t *buf2 = NULL;
- int seq_inited = 0, ep_inited = 0;
+ int seq_initialized = 0, ep_initialized = 0;
if(avctx->extradata_size < 16) {
av_log(avctx, AV_LOG_ERROR, "Extradata size too small: %i\n", avctx->extradata_size);
av_free(buf2);
return -1;
}
- seq_inited = 1;
+ seq_initialized = 1;
break;
case VC1_CODE_ENTRYPOINT:
if(decode_entry_point(avctx, &gb) < 0){
av_free(buf2);
return -1;
}
- ep_inited = 1;
+ ep_initialized = 1;
break;
}
}
av_free(buf2);
- if(!seq_inited || !ep_inited){
+ if(!seq_initialized || !ep_initialized){
av_log(avctx, AV_LOG_ERROR, "Incomplete extradata\n");
return -1;
}
// return -1;
}
+ ff_intrax8_common_init(&v->x8,s);
return 0;
}
*/
static int vc1_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
- uint8_t *buf, int buf_size)
+ const uint8_t *buf, int buf_size)
{
VC1Context *v = avctx->priv_data;
MpegEncContext *s = &v->s;
buf2 = av_mallocz(buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
if(IS_MARKER(AV_RB32(buf))){ /* frame starts with marker and needs to be parsed */
- uint8_t *start, *end, *next;
+ const uint8_t *start, *end, *next;
int size;
next = buf;
}
}
}else if(v->interlace && ((buf[0] & 0xC0) == 0xC0)){ /* WVC1 interlaced stores both fields divided by marker */
- uint8_t *divider;
+ const uint8_t *divider;
divider = find_next_marker(buf, buf + buf_size);
if((divider == (buf + buf_size)) || AV_RB32(divider) != VC1_CODE_FIELD){
}
}
- if(s->pict_type != I_TYPE && !v->res_rtm_flag){
+ if(s->pict_type != FF_I_TYPE && !v->res_rtm_flag){
av_free(buf2);
return -1;
}
// for hurry_up==5
s->current_picture.pict_type= s->pict_type;
- s->current_picture.key_frame= s->pict_type == I_TYPE;
+ s->current_picture.key_frame= s->pict_type == FF_I_TYPE;
/* skip B-frames if we don't have reference frames */
- if(s->last_picture_ptr==NULL && (s->pict_type==B_TYPE || s->dropable)){
+ if(s->last_picture_ptr==NULL && (s->pict_type==FF_B_TYPE || s->dropable)){
av_free(buf2);
return -1;//buf_size;
}
/* skip b frames if we are in a hurry */
- if(avctx->hurry_up && s->pict_type==B_TYPE) return -1;//buf_size;
- if( (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type==B_TYPE)
- || (avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type!=I_TYPE)
+ if(avctx->hurry_up && s->pict_type==FF_B_TYPE) return -1;//buf_size;
+ if( (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type==FF_B_TYPE)
+ || (avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type!=FF_I_TYPE)
|| avctx->skip_frame >= AVDISCARD_ALL) {
av_free(buf2);
return buf_size;
}
if(s->next_p_frame_damaged){
- if(s->pict_type==B_TYPE)
+ if(s->pict_type==FF_B_TYPE)
return buf_size;
else
s->next_p_frame_damaged=0;
return -1;
}
+ s->me.qpel_put= s->dsp.put_qpel_pixels_tab;
+ s->me.qpel_avg= s->dsp.avg_qpel_pixels_tab;
+
ff_er_frame_start(s);
v->bits = buf_size * 8;
assert(s->current_picture.pict_type == s->current_picture_ptr->pict_type);
assert(s->current_picture.pict_type == s->pict_type);
- if (s->pict_type == B_TYPE || s->low_delay) {
+ if (s->pict_type == FF_B_TYPE || s->low_delay) {
*pict= *(AVFrame*)s->current_picture_ptr;
} else if (s->last_picture_ptr != NULL) {
*pict= *(AVFrame*)s->last_picture_ptr;
}
/* Return the Picture timestamp as the frame number */
- /* we substract 1 because it is added on utils.c */
+ /* we subtract 1 because it is added on utils.c */
avctx->frame_number = s->picture_number - 1;
av_free(buf2);
av_freep(&v->acpred_plane);
av_freep(&v->over_flags_plane);
av_freep(&v->mb_type_base);
+ ff_intrax8_common_end(&v->x8);
return 0;
}