* Copyright (c) 2006-2007 Konstantin Shishkov
* Partly based on vc9.c (c) 2005 Anonymous, Alex Beregszaszi, Michael Niedermayer
*
- * 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
*/
/***********************************************************************/
/**
- * @defgroup vc1bitplane VC-1 Bitplane decoding
+ * @name VC-1 Bitplane decoding
* @see 8.7, p56
* @{
*/
v->profile = get_bits(gb, 2);
if (v->profile == PROFILE_COMPLEX)
{
- av_log(avctx, AV_LOG_ERROR, "WMV3 Complex Profile is not fully supported\n");
+ av_log(avctx, AV_LOG_WARNING, "WMV3 Complex Profile is not fully supported\n");
}
if (v->profile == PROFILE_ADVANCED)
"Old interlaced mode is not supported\n");
return -1;
}
- if (v->res_sprite) {
- av_log(avctx, AV_LOG_ERROR, "WMVP is not fully supported\n");
- }
}
// (fps-2)/4 (->30)
v->res_fasttx = get_bits1(gb);
if (!v->res_fasttx)
{
- 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->s.dsp.vc1_inv_trans_8x8_dc = ff_simple_idct_add;
- v->s.dsp.vc1_inv_trans_8x4_dc = ff_simple_idct84_add;
- v->s.dsp.vc1_inv_trans_4x8_dc = ff_simple_idct48_add;
- v->s.dsp.vc1_inv_trans_4x4_dc = ff_simple_idct44_add;
+ v->vc1dsp.vc1_inv_trans_8x8 = ff_simple_idct_8;
+ v->vc1dsp.vc1_inv_trans_8x4 = ff_simple_idct84_add;
+ v->vc1dsp.vc1_inv_trans_4x8 = ff_simple_idct48_add;
+ v->vc1dsp.vc1_inv_trans_4x4 = ff_simple_idct44_add;
+ v->vc1dsp.vc1_inv_trans_8x8_dc = ff_simple_idct_add_8;
+ v->vc1dsp.vc1_inv_trans_8x4_dc = ff_simple_idct84_add;
+ v->vc1dsp.vc1_inv_trans_4x8_dc = ff_simple_idct48_add;
+ v->vc1dsp.vc1_inv_trans_4x4_dc = ff_simple_idct44_add;
}
v->fastuvmc = get_bits1(gb); //common
v->finterpflag = get_bits1(gb);
skip_bits1(gb); // reserved
- v->s.h_edge_pos = v->s.avctx->coded_width;
- v->s.v_edge_pos = v->s.avctx->coded_height;
-
av_log(v->s.avctx, AV_LOG_DEBUG,
"Advanced Profile level %i:\nfrmrtq_postproc=%i, bitrtq_postproc=%i\n"
"LoopFilter=%i, ChromaFormat=%i, Pulldown=%i, Interlace: %i\n"
if(get_bits1(gb)) { //Display Info - decoding is not affected by it
int w, h, ar = 0;
av_log(v->s.avctx, AV_LOG_DEBUG, "Display extended info:\n");
- v->s.avctx->width = w = get_bits(gb, 14) + 1;
- v->s.avctx->height = h = get_bits(gb, 14) + 1;
+ w = get_bits(gb, 14) + 1;
+ h = get_bits(gb, 14) + 1;
av_log(v->s.avctx, AV_LOG_DEBUG, "Display dimensions: %ix%i\n", w, h);
if(get_bits1(gb))
ar = get_bits(gb, 4);
if(ar && ar < 14){
v->s.avctx->sample_aspect_ratio = ff_vc1_pixel_aspect[ar];
}else if(ar == 15){
- w = get_bits(gb, 8);
- h = get_bits(gb, 8);
+ w = get_bits(gb, 8) + 1;
+ h = get_bits(gb, 8) + 1;
v->s.avctx->sample_aspect_ratio = (AVRational){w, h};
+ } else {
+ av_reduce(&v->s.avctx->sample_aspect_ratio.num,
+ &v->s.avctx->sample_aspect_ratio.den,
+ v->s.avctx->height * w,
+ v->s.avctx->width * h,
+ 1<<30);
}
av_log(v->s.avctx, AV_LOG_DEBUG, "Aspect: %i:%i\n", v->s.avctx->sample_aspect_ratio.num, v->s.avctx->sample_aspect_ratio.den);
v->s.avctx->time_base.den = ff_vc1_fps_nr[nr - 1] * 1000;
}
}
+ if(v->broadcast) { // Pulldown may be present
+ v->s.avctx->time_base.den *= 2;
+ v->s.avctx->ticks_per_frame = 2;
+ }
}
if(get_bits1(gb)){
}
if(get_bits1(gb)){
- avctx->coded_width = (get_bits(gb, 12)+1)<<1;
- avctx->coded_height = (get_bits(gb, 12)+1)<<1;
+ avctx->width = avctx->coded_width = (get_bits(gb, 12)+1)<<1;
+ avctx->height = avctx->coded_height = (get_bits(gb, 12)+1)<<1;
}
if(v->extended_mv)
v->extended_dmv = get_bits1(gb);
{
int pqindex, lowquant, status;
- if(v->res_sprite) {
- skip_bits(gb, 2); //not yet deciphered
- }
if(v->finterpflag) v->interpfrm = get_bits1(gb);
skip_bits(gb, 2); //framecnt unused
v->rangeredfrm = 0;
v->s.pict_type = get_bits1(gb);
if (v->s.avctx->max_b_frames) {
if (!v->s.pict_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;
+ if (get_bits1(gb)) v->s.pict_type = AV_PICTURE_TYPE_I;
+ else v->s.pict_type = AV_PICTURE_TYPE_B;
+ } else v->s.pict_type = AV_PICTURE_TYPE_P;
+ } else v->s.pict_type = v->s.pict_type ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I;
v->bi_type = 0;
- if(v->s.pict_type == FF_B_TYPE) {
+ if(v->s.pict_type == AV_PICTURE_TYPE_B) {
v->bfraction_lut_index = get_vlc2(gb, ff_vc1_bfraction_vlc.table, VC1_BFRACTION_VLC_BITS, 1);
v->bfraction = ff_vc1_bfraction_lut[v->bfraction_lut_index];
if(v->bfraction == 0) {
- v->s.pict_type = FF_BI_TYPE;
+ v->s.pict_type = AV_PICTURE_TYPE_BI;
}
}
- if(v->s.pict_type == FF_I_TYPE || v->s.pict_type == FF_BI_TYPE)
+ if(v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI)
skip_bits(gb, 7); // skip buffer fullness
if(v->parse_only)
return 0;
/* calculate RND */
- if(v->s.pict_type == FF_I_TYPE || v->s.pict_type == FF_BI_TYPE)
+ if(v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI)
v->rnd = 1;
- if(v->s.pict_type == FF_P_TYPE)
+ if(v->s.pict_type == AV_PICTURE_TYPE_P)
v->rnd ^= 1;
/* Quantizer stuff */
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->multires && v->s.pict_type != FF_B_TYPE) v->respic = get_bits(gb, 2);
+ if (v->multires && v->s.pict_type != AV_PICTURE_TYPE_B) v->respic = get_bits(gb, 2);
- if(v->res_x8 && (v->s.pict_type == FF_I_TYPE || v->s.pict_type == FF_BI_TYPE)){
+ if(v->res_x8 && (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI)){
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 == FF_P_TYPE) ? 'P' : ((v->s.pict_type == FF_I_TYPE) ? 'I' : 'B'), pqindex, v->pq, v->halfpq, v->rangeredfrm);
+// (v->s.pict_type == AV_PICTURE_TYPE_P) ? 'P' : ((v->s.pict_type == AV_PICTURE_TYPE_I) ? 'I' : 'B'), pqindex, v->pq, v->halfpq, v->rangeredfrm);
- if(v->s.pict_type == FF_I_TYPE || v->s.pict_type == FF_P_TYPE) v->use_ic = 0;
+ if(v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_P) v->use_ic = 0;
switch(v->s.pict_type) {
- case FF_P_TYPE:
+ case AV_PICTURE_TYPE_P:
if (v->pq < 5) v->tt_index = 0;
else if(v->pq < 13) v->tt_index = 1;
else v->tt_index = 2;
v->ttfrm = TT_8X8;
}
break;
- case FF_B_TYPE:
+ case AV_PICTURE_TYPE_B:
if (v->pq < 5) v->tt_index = 0;
else if(v->pq < 13) v->tt_index = 1;
else v->tt_index = 2;
{
/* AC Syntax */
v->c_ac_table_index = decode012(gb);
- if (v->s.pict_type == FF_I_TYPE || v->s.pict_type == FF_BI_TYPE)
+ if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI)
{
v->y_ac_table_index = decode012(gb);
}
v->s.dc_table_index = get_bits1(gb);
}
- if(v->s.pict_type == FF_BI_TYPE) {
- v->s.pict_type = FF_B_TYPE;
+ if(v->s.pict_type == AV_PICTURE_TYPE_BI) {
+ v->s.pict_type = AV_PICTURE_TYPE_B;
v->bi_type = 1;
}
return 0;
}
switch(get_unary(gb, 0, 4)) {
case 0:
- v->s.pict_type = FF_P_TYPE;
+ v->s.pict_type = AV_PICTURE_TYPE_P;
break;
case 1:
- v->s.pict_type = FF_B_TYPE;
+ v->s.pict_type = AV_PICTURE_TYPE_B;
break;
case 2:
- v->s.pict_type = FF_I_TYPE;
+ v->s.pict_type = AV_PICTURE_TYPE_I;
break;
case 3:
- v->s.pict_type = FF_BI_TYPE;
+ v->s.pict_type = AV_PICTURE_TYPE_BI;
break;
case 4:
- v->s.pict_type = FF_P_TYPE; // skipped pic
+ v->s.pict_type = AV_PICTURE_TYPE_P; // skipped pic
v->p_frame_skipped = 1;
- return 0;
+ break;
}
if(v->tfcntrflag)
skip_bits(gb, 8);
v->rptfrm = get_bits(gb, 2);
} else {
v->tff = get_bits1(gb);
- v->rptfrm = get_bits1(gb);
+ v->rff = get_bits1(gb);
}
}
if(v->panscanflag) {
+ av_log_missing_feature(v->s.avctx, "Pan-scan", 0);
//...
}
+ if(v->p_frame_skipped) {
+ return 0;
+ }
v->rnd = get_bits1(gb);
if(v->interlace)
v->uvsamp = get_bits1(gb);
if(v->finterpflag) v->interpfrm = get_bits1(gb);
- if(v->s.pict_type == FF_B_TYPE) {
+ if(v->s.pict_type == AV_PICTURE_TYPE_B) {
v->bfraction_lut_index = get_vlc2(gb, ff_vc1_bfraction_vlc.table, VC1_BFRACTION_VLC_BITS, 1);
v->bfraction = ff_vc1_bfraction_lut[v->bfraction_lut_index];
if(v->bfraction == 0) {
- v->s.pict_type = FF_BI_TYPE; /* XXX: should not happen here */
+ v->s.pict_type = AV_PICTURE_TYPE_BI; /* XXX: should not happen here */
}
}
pqindex = get_bits(gb, 5);
if(v->postprocflag)
v->postproc = get_bits(gb, 2);
- if(v->s.pict_type == FF_I_TYPE || v->s.pict_type == FF_P_TYPE) v->use_ic = 0;
+ if(v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_P) v->use_ic = 0;
if(v->parse_only)
return 0;
switch(v->s.pict_type) {
- case FF_I_TYPE:
- case FF_BI_TYPE:
+ case AV_PICTURE_TYPE_I:
+ case AV_PICTURE_TYPE_BI:
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 FF_P_TYPE:
+ case AV_PICTURE_TYPE_P:
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->ttfrm = TT_8X8;
}
break;
- case FF_B_TYPE:
+ case AV_PICTURE_TYPE_B:
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
/* AC Syntax */
v->c_ac_table_index = decode012(gb);
- if (v->s.pict_type == FF_I_TYPE || v->s.pict_type == FF_BI_TYPE)
+ if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI)
{
v->y_ac_table_index = decode012(gb);
}
/* DC Syntax */
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) {
+ if ((v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) && 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 == FF_BI_TYPE) {
- v->s.pict_type = FF_B_TYPE;
+ if(v->s.pict_type == AV_PICTURE_TYPE_BI) {
+ v->s.pict_type = AV_PICTURE_TYPE_B;
v->bi_type = 1;
}
return 0;
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