diff --git a/libavcodec/vc1.c b/libavcodec/vc1.c index 11d1d58e44..9d36811c2c 100644 --- a/libavcodec/vc1.c +++ b/libavcodec/vc1.c @@ -26,6 +26,7 @@ * VC-1 and WMV3 decoder common code * */ + #include "internal.h" #include "dsputil.h" #include "avcodec.h" @@ -67,14 +68,16 @@ enum Imode { * @param[in] height Height of this buffer * @param[in] stride of this buffer */ -static void decode_rowskip(uint8_t* plane, int width, int height, int stride, GetBitContext *gb){ +static void decode_rowskip(uint8_t* plane, int width, int height, int stride, + GetBitContext *gb) +{ int x, y; - for (y=0; ys.mb_width; + width = v->s.mb_width; height = v->s.mb_height >> v->field_mode; stride = v->s.mb_stride; invert = get_bits1(gb); imode = get_vlc2(gb, ff_vc1_imode_vlc.table, VC1_IMODE_VLC_BITS, 1); *raw_flag = 0; - switch (imode) - { + switch (imode) { case IMODE_RAW: //Data is actually read in the MB layer (same for all tests == "raw") *raw_flag = 1; //invert ignored return invert; case IMODE_DIFF2: case IMODE_NORM2: - if ((height * width) & 1) - { + if ((height * width) & 1) { *planep++ = get_bits1(gb); - offset = 1; + offset = 1; } - else offset = 0; + else + offset = 0; // decode bitplane as one long line for (y = offset; y < height * width; y += 2) { code = get_vlc2(gb, ff_vc1_norm2_vlc.table, VC1_NORM2_VLC_BITS, 1); *planep++ = code & 1; offset++; - if(offset == width) { - offset = 0; + if (offset == width) { + offset = 0; planep += stride - width; } *planep++ = code >> 1; offset++; - if(offset == width) { - offset = 0; + if (offset == width) { + offset = 0; planep += stride - width; } } break; case IMODE_DIFF6: case IMODE_NORM6: - if(!(height % 3) && (width % 3)) { // use 2x3 decoding - for(y = 0; y < height; y+= 3) { - for(x = width & 1; x < width; x += 2) { + if (!(height % 3) && (width % 3)) { // use 2x3 decoding + for (y = 0; y < height; y += 3) { + for (x = width & 1; x < width; x += 2) { code = get_vlc2(gb, ff_vc1_norm6_vlc.table, VC1_NORM6_VLC_BITS, 2); - if(code < 0){ + if (code < 0) { av_log(v->s.avctx, AV_LOG_DEBUG, "invalid NORM-6 VLC\n"); return -1; } - planep[x + 0] = (code >> 0) & 1; - planep[x + 1] = (code >> 1) & 1; - planep[x + 0 + stride] = (code >> 2) & 1; - planep[x + 1 + stride] = (code >> 3) & 1; + planep[x + 0] = (code >> 0) & 1; + planep[x + 1] = (code >> 1) & 1; + planep[x + 0 + stride] = (code >> 2) & 1; + planep[x + 1 + stride] = (code >> 3) & 1; planep[x + 0 + stride * 2] = (code >> 4) & 1; planep[x + 1 + stride * 2] = (code >> 5) & 1; } planep += stride * 3; } - if(width & 1) decode_colskip(data, 1, height, stride, &v->s.gb); + if (width & 1) + decode_colskip(data, 1, height, stride, &v->s.gb); } else { // 3x2 planep += (height & 1) * stride; - for(y = height & 1; y < height; y += 2) { - for(x = width % 3; x < width; x += 3) { + for (y = height & 1; y < height; y += 2) { + for (x = width % 3; x < width; x += 3) { code = get_vlc2(gb, ff_vc1_norm6_vlc.table, VC1_NORM6_VLC_BITS, 2); - if(code < 0){ + if (code < 0) { av_log(v->s.avctx, AV_LOG_DEBUG, "invalid NORM-6 VLC\n"); return -1; } - planep[x + 0] = (code >> 0) & 1; - planep[x + 1] = (code >> 1) & 1; - planep[x + 2] = (code >> 2) & 1; + planep[x + 0] = (code >> 0) & 1; + planep[x + 1] = (code >> 1) & 1; + planep[x + 2] = (code >> 2) & 1; planep[x + 0 + stride] = (code >> 3) & 1; planep[x + 1 + stride] = (code >> 4) & 1; planep[x + 2 + stride] = (code >> 5) & 1; @@ -193,8 +198,10 @@ static int bitplane_decoding(uint8_t* data, int *raw_flag, VC1Context *v) planep += stride * 2; } x = width % 3; - if(x) decode_colskip(data , x, height , stride, &v->s.gb); - if(height & 1) decode_rowskip(data+x, width - x, 1, stride, &v->s.gb); + if (x) + decode_colskip(data, x, height, stride, &v->s.gb); + if (height & 1) + decode_rowskip(data + x, width - x, 1, stride, &v->s.gb); } break; case IMODE_ROWSKIP: @@ -203,33 +210,30 @@ static int bitplane_decoding(uint8_t* data, int *raw_flag, VC1Context *v) case IMODE_COLSKIP: decode_colskip(data, width, height, stride, &v->s.gb); break; - default: break; + default: + break; } /* Applying diff operator */ - if (imode == IMODE_DIFF2 || imode == IMODE_DIFF6) - { + if (imode == IMODE_DIFF2 || imode == IMODE_DIFF6) { planep = data; planep[0] ^= invert; - for (x=1; xdquant == 2) - { + if (v->dquant == 2) { pqdiff = get_bits(gb, 3); - if (pqdiff == 7) v->altpq = get_bits(gb, 5); - else v->altpq = v->pq + pqdiff + 1; - } - else - { + if (pqdiff == 7) + v->altpq = get_bits(gb, 5); + else + v->altpq = v->pq + pqdiff + 1; + } else { v->dquantfrm = get_bits1(gb); - if ( v->dquantfrm ) - { + if (v->dquantfrm) { v->dqprofile = get_bits(gb, 2); - switch (v->dqprofile) - { + switch (v->dqprofile) { case DQPROFILE_SINGLE_EDGE: case DQPROFILE_DOUBLE_EDGES: v->dqsbedge = get_bits(gb, 2); break; case DQPROFILE_ALL_MBS: v->dqbilevel = get_bits1(gb); - if(!v->dqbilevel) + if (!v->dqbilevel) v->halfpq = 0; - default: break; //Forbidden ? + default: + break; //Forbidden ? } - if (v->dqbilevel || v->dqprofile != DQPROFILE_ALL_MBS) - { + if (v->dqbilevel || v->dqprofile != DQPROFILE_ALL_MBS) { pqdiff = get_bits(gb, 3); - if (pqdiff == 7) v->altpq = get_bits(gb, 5); - else v->altpq = v->pq + pqdiff + 1; + if (pqdiff == 7) + v->altpq = get_bits(gb, 5); + else + v->altpq = v->pq + pqdiff + 1; } } } @@ -292,25 +295,20 @@ int vc1_decode_sequence_header(AVCodecContext *avctx, VC1Context *v, GetBitConte { av_log(avctx, AV_LOG_DEBUG, "Header: %0X\n", show_bits(gb, 32)); v->profile = get_bits(gb, 2); - if (v->profile == PROFILE_COMPLEX) - { + if (v->profile == PROFILE_COMPLEX) { av_log(avctx, AV_LOG_WARNING, "WMV3 Complex Profile is not fully supported\n"); } - if (v->profile == PROFILE_ADVANCED) - { + 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 - { + } else { v->zz_8x4 = wmv2_scantableA; v->zz_4x8 = wmv2_scantableB; v->res_y411 = get_bits1(gb); v->res_sprite = get_bits1(gb); - if (v->res_y411) - { + if (v->res_y411) { av_log(avctx, AV_LOG_ERROR, "Old interlaced mode is not supported\n"); return -1; @@ -321,48 +319,45 @@ int vc1_decode_sequence_header(AVCodecContext *avctx, VC1Context *v, GetBitConte v->frmrtq_postproc = get_bits(gb, 3); //common // (bitrate-32kbps)/64kbps v->bitrtq_postproc = get_bits(gb, 5); //common - v->s.loop_filter = get_bits1(gb); //common - if(v->s.loop_filter == 1 && v->profile == PROFILE_SIMPLE) - { + 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 shall not be enabled in Simple Profile\n"); } - if(v->s.avctx->skip_loop_filter >= AVDISCARD_ALL) + if (v->s.avctx->skip_loop_filter >= AVDISCARD_ALL) v->s.loop_filter = 0; - v->res_x8 = get_bits1(gb); //reserved - v->multires = get_bits1(gb); - v->res_fasttx = get_bits1(gb); - if (!v->res_fasttx) - { - 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->res_x8 = get_bits1(gb); //reserved + v->multires = get_bits1(gb); + v->res_fasttx = get_bits1(gb); + if (!v->res_fasttx) { + 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 - if (!v->profile && !v->fastuvmc) - { + 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_bits1(gb); //common + v->extended_mv = get_bits1(gb); //common if (!v->profile && v->extended_mv) { av_log(avctx, AV_LOG_ERROR, "Extended MVs unavailable in Simple Profile\n"); return -1; } - v->dquant = get_bits(gb, 2); //common - v->vstransform = get_bits1(gb); //common + v->dquant = get_bits(gb, 2); //common + v->vstransform = get_bits1(gb); //common - v->res_transtab = get_bits1(gb); + v->res_transtab = get_bits1(gb); if (v->res_transtab) { av_log(avctx, AV_LOG_ERROR, @@ -370,12 +365,11 @@ int vc1_decode_sequence_header(AVCodecContext *avctx, VC1Context *v, GetBitConte return -1; } - v->overlap = get_bits1(gb); //common + v->overlap = get_bits1(gb); //common v->s.resync_marker = get_bits1(gb); - v->rangered = get_bits1(gb); - if (v->rangered && v->profile == PROFILE_SIMPLE) - { + v->rangered = get_bits1(gb); + if (v->rangered && v->profile == PROFILE_SIMPLE) { av_log(avctx, AV_LOG_INFO, "RANGERED should be set to 0 in Simple Profile\n"); } @@ -399,8 +393,7 @@ int vc1_decode_sequence_header(AVCodecContext *avctx, VC1Context *v, GetBitConte } else { v->res_rtm_flag = get_bits1(gb); //reserved } - if (!v->res_rtm_flag) - { + if (!v->res_rtm_flag) { // av_log(avctx, AV_LOG_ERROR, // "0 for reserved RES_RTM_FLAG is forbidden\n"); av_log(avctx, AV_LOG_ERROR, @@ -408,17 +401,17 @@ int vc1_decode_sequence_header(AVCodecContext *avctx, VC1Context *v, GetBitConte //return -1; } //TODO: figure out what they mean (always 0x402F) - if(!v->res_fasttx) skip_bits(gb, 16); + if (!v->res_fasttx) + skip_bits(gb, 16); av_log(avctx, AV_LOG_DEBUG, - "Profile %i:\nfrmrtq_postproc=%i, bitrtq_postproc=%i\n" - "LoopFilter=%i, MultiRes=%i, FastUVMC=%i, Extended MV=%i\n" - "Rangered=%i, VSTransform=%i, Overlap=%i, SyncMarker=%i\n" - "DQuant=%i, Quantizer mode=%i, Max B frames=%i\n", - v->profile, v->frmrtq_postproc, v->bitrtq_postproc, - v->s.loop_filter, v->multires, v->fastuvmc, v->extended_mv, - v->rangered, v->vstransform, v->overlap, v->s.resync_marker, - v->dquant, v->quantizer_mode, avctx->max_b_frames - ); + "Profile %i:\nfrmrtq_postproc=%i, bitrtq_postproc=%i\n" + "LoopFilter=%i, MultiRes=%i, FastUVMC=%i, Extended MV=%i\n" + "Rangered=%i, VSTransform=%i, Overlap=%i, SyncMarker=%i\n" + "DQuant=%i, Quantizer mode=%i, Max B frames=%i\n", + v->profile, v->frmrtq_postproc, v->bitrtq_postproc, + v->s.loop_filter, v->multires, v->fastuvmc, v->extended_mv, + v->rangered, v->vstransform, v->overlap, v->s.resync_marker, + v->dquant, v->quantizer_mode, avctx->max_b_frames); return 0; } @@ -426,60 +419,57 @@ static int decode_sequence_header_adv(VC1Context *v, GetBitContext *gb) { v->res_rtm_flag = 1; v->level = get_bits(gb, 3); - if(v->level >= 5) - { + if (v->level >= 5) { av_log(v->s.avctx, AV_LOG_ERROR, "Reserved LEVEL %i\n",v->level); } v->chromaformat = get_bits(gb, 2); - if (v->chromaformat != 1) - { + if (v->chromaformat != 1) { av_log(v->s.avctx, AV_LOG_ERROR, "Only 4:2:0 chroma format supported\n"); return -1; } // (fps-2)/4 (->30) - v->frmrtq_postproc = get_bits(gb, 3); //common + v->frmrtq_postproc = get_bits(gb, 3); //common // (bitrate-32kbps)/64kbps - v->bitrtq_postproc = get_bits(gb, 5); //common - v->postprocflag = get_bits1(gb); //common + v->bitrtq_postproc = get_bits(gb, 5); //common + v->postprocflag = get_bits1(gb); //common - v->s.avctx->coded_width = (get_bits(gb, 12) + 1) << 1; + v->s.avctx->coded_width = (get_bits(gb, 12) + 1) << 1; v->s.avctx->coded_height = (get_bits(gb, 12) + 1) << 1; - v->s.avctx->width = v->s.avctx->coded_width; - v->s.avctx->height = v->s.avctx->coded_height; - v->broadcast = get_bits1(gb); - v->interlace = get_bits1(gb); - v->tfcntrflag = get_bits1(gb); - v->finterpflag = get_bits1(gb); + v->s.avctx->width = v->s.avctx->coded_width; + v->s.avctx->height = v->s.avctx->coded_height; + v->broadcast = get_bits1(gb); + v->interlace = get_bits1(gb); + v->tfcntrflag = get_bits1(gb); + v->finterpflag = get_bits1(gb); skip_bits1(gb); // reserved 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" - "TFCTRflag=%i, FINTERPflag=%i\n", - v->level, v->frmrtq_postproc, v->bitrtq_postproc, - v->s.loop_filter, v->chromaformat, v->broadcast, v->interlace, - v->tfcntrflag, v->finterpflag - ); + "Advanced Profile level %i:\nfrmrtq_postproc=%i, bitrtq_postproc=%i\n" + "LoopFilter=%i, ChromaFormat=%i, Pulldown=%i, Interlace: %i\n" + "TFCTRflag=%i, FINTERPflag=%i\n", + v->level, v->frmrtq_postproc, v->bitrtq_postproc, + v->s.loop_filter, v->chromaformat, v->broadcast, v->interlace, + v->tfcntrflag, v->finterpflag); v->psf = get_bits1(gb); - if(v->psf) { //PsF, 6.1.13 + if (v->psf) { //PsF, 6.1.13 av_log(v->s.avctx, AV_LOG_ERROR, "Progressive Segmented Frame mode: not supported (yet)\n"); return -1; } v->s.max_b_frames = v->s.avctx->max_b_frames = 7; - if(get_bits1(gb)) { //Display Info - decoding is not affected by it + 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"); 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)) + if (get_bits1(gb)) ar = get_bits(gb, 4); - if(ar && ar < 14){ + if (ar && ar < 14) { v->s.avctx->sample_aspect_ratio = ff_vc1_pixel_aspect[ar]; - }else if(ar == 15){ + } else if (ar == 15) { w = get_bits(gb, 8) + 1; h = get_bits(gb, 8) + 1; v->s.avctx->sample_aspect_ratio = (AVRational){w, h}; @@ -488,43 +478,45 @@ static int decode_sequence_header_adv(VC1Context *v, GetBitContext *gb) &v->s.avctx->sample_aspect_ratio.den, v->s.avctx->height * w, v->s.avctx->width * h, - 1<<30); + 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); + 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); - if(get_bits1(gb)){ //framerate stuff - if(get_bits1(gb)) { + if (get_bits1(gb)) { //framerate stuff + if (get_bits1(gb)) { v->s.avctx->time_base.num = 32; v->s.avctx->time_base.den = get_bits(gb, 16) + 1; } else { int nr, dr; nr = get_bits(gb, 8); dr = get_bits(gb, 4); - if(nr && nr < 8 && dr && dr < 3){ + if (nr && nr < 8 && dr && dr < 3) { v->s.avctx->time_base.num = ff_vc1_fps_dr[dr - 1]; 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; + 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)){ - v->color_prim = get_bits(gb, 8); + if (get_bits1(gb)) { + v->color_prim = get_bits(gb, 8); v->transfer_char = get_bits(gb, 8); - v->matrix_coef = get_bits(gb, 8); + v->matrix_coef = get_bits(gb, 8); } } v->hrd_param_flag = get_bits1(gb); - if(v->hrd_param_flag) { + if (v->hrd_param_flag) { int i; v->hrd_num_leaky_buckets = get_bits(gb, 5); skip_bits(gb, 4); //bitrate exponent skip_bits(gb, 4); //buffer size exponent - for(i = 0; i < v->hrd_num_leaky_buckets; i++) { + for (i = 0; i < v->hrd_num_leaky_buckets; i++) { skip_bits(gb, 16); //hrd_rate[n] skip_bits(gb, 16); //hrd_buffer[n] } @@ -537,45 +529,45 @@ int vc1_decode_entry_point(AVCodecContext *avctx, VC1Context *v, GetBitContext * int i; av_log(avctx, AV_LOG_DEBUG, "Entry point: %08X\n", show_bits_long(gb, 32)); - v->broken_link = get_bits1(gb); - v->closed_entry = get_bits1(gb); - v->panscanflag = get_bits1(gb); - v->refdist_flag = get_bits1(gb); - v->s.loop_filter = get_bits1(gb); - v->fastuvmc = get_bits1(gb); - v->extended_mv = get_bits1(gb); - v->dquant = get_bits(gb, 2); - v->vstransform = get_bits1(gb); - v->overlap = get_bits1(gb); + v->broken_link = get_bits1(gb); + v->closed_entry = get_bits1(gb); + v->panscanflag = get_bits1(gb); + v->refdist_flag = get_bits1(gb); + v->s.loop_filter = get_bits1(gb); + v->fastuvmc = get_bits1(gb); + v->extended_mv = get_bits1(gb); + v->dquant = get_bits(gb, 2); + v->vstransform = get_bits1(gb); + v->overlap = get_bits1(gb); v->quantizer_mode = get_bits(gb, 2); - if(v->hrd_param_flag){ - for(i = 0; i < v->hrd_num_leaky_buckets; i++) { + if (v->hrd_param_flag) { + for (i = 0; i < v->hrd_num_leaky_buckets; i++) { skip_bits(gb, 8); //hrd_full[n] } } - if(get_bits1(gb)){ - avctx->width = avctx->coded_width = (get_bits(gb, 12)+1)<<1; - avctx->height = avctx->coded_height = (get_bits(gb, 12)+1)<<1; + if (get_bits1(gb)) { + 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) + if (v->extended_mv) v->extended_dmv = get_bits1(gb); - if((v->range_mapy_flag = get_bits1(gb))) { + if ((v->range_mapy_flag = get_bits1(gb))) { av_log(avctx, AV_LOG_ERROR, "Luma scaling is not supported, expect wrong picture\n"); v->range_mapy = get_bits(gb, 3); } - if((v->range_mapuv_flag = get_bits1(gb))) { + if ((v->range_mapuv_flag = get_bits1(gb))) { av_log(avctx, AV_LOG_ERROR, "Chroma scaling is not supported, expect wrong picture\n"); v->range_mapuv = get_bits(gb, 3); } av_log(avctx, AV_LOG_DEBUG, "Entry point info:\n" - "BrokenLink=%i, ClosedEntry=%i, PanscanFlag=%i\n" - "RefDist=%i, Postproc=%i, FastUVMC=%i, ExtMV=%i\n" - "DQuant=%i, VSTransform=%i, Overlap=%i, Qmode=%i\n", - v->broken_link, v->closed_entry, v->panscanflag, v->refdist_flag, v->s.loop_filter, - v->fastuvmc, v->extended_mv, v->dquant, v->vstransform, v->overlap, v->quantizer_mode); + "BrokenLink=%i, ClosedEntry=%i, PanscanFlag=%i\n" + "RefDist=%i, Postproc=%i, FastUVMC=%i, ExtMV=%i\n" + "DQuant=%i, VSTransform=%i, Overlap=%i, Qmode=%i\n", + v->broken_link, v->closed_entry, v->panscanflag, v->refdist_flag, v->s.loop_filter, + v->fastuvmc, v->extended_mv, v->dquant, v->vstransform, v->overlap, v->quantizer_mode); return 0; } @@ -584,41 +576,48 @@ int vc1_parse_frame_header(VC1Context *v, GetBitContext* gb) { int pqindex, lowquant, status; - if(v->finterpflag) v->interpfrm = get_bits1(gb); + if (v->finterpflag) + v->interpfrm = get_bits1(gb); skip_bits(gb, 2); //framecnt unused v->rangeredfrm = 0; - if (v->rangered) v->rangeredfrm = get_bits1(gb); + 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_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; + 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 == AV_PICTURE_TYPE_B) { + 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->bfraction = ff_vc1_bfraction_lut[v->bfraction_lut_index]; + if (v->bfraction == 0) { v->s.pict_type = AV_PICTURE_TYPE_BI; } } - if(v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) + 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) + if (v->parse_only) return 0; /* calculate RND */ - if(v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) + 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 == AV_PICTURE_TYPE_P) + if (v->s.pict_type == AV_PICTURE_TYPE_P) v->rnd ^= 1; /* Quantizer stuff */ pqindex = get_bits(gb, 5); - if(!pqindex) return -1; + if (!pqindex) + return -1; if (v->quantizer_mode == QUANT_FRAME_IMPLICIT) v->pq = ff_vc1_pquant_table[0][pqindex]; else @@ -630,64 +629,69 @@ int vc1_parse_frame_header(VC1Context *v, GetBitContext* gb) if (v->quantizer_mode == QUANT_NON_UNIFORM) v->pquantizer = 0; v->pqindex = pqindex; - if (pqindex < 9) v->halfpq = get_bits1(gb); - else v->halfpq = 0; + if (pqindex < 9) + v->halfpq = get_bits1(gb); + else + v->halfpq = 0; if (v->quantizer_mode == QUANT_FRAME_EXPLICIT) v->pquantizer = get_bits1(gb); v->dquantfrm = 0; - if (v->extended_mv == 1) v->mvrange = get_unary(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->multires && v->s.pict_type != AV_PICTURE_TYPE_B) 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 == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI)){ + 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; + } 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 == 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 == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_P) 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) { + switch (v->s.pict_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; + 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_unary(gb, 1, 4)]; - if (v->mv_mode == MV_PMODE_INTENSITY_COMP) - { + if (v->mv_mode == MV_PMODE_INTENSITY_COMP) { int scale, shift, i; 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->use_ic = 1; /* fill lookup tables for intensity compensation */ - if(!v->lumscale) { + if (!v->lumscale) { scale = -64; shift = (255 - v->lumshift * 2) << 6; - if(v->lumshift > 31) + if (v->lumshift > 31) shift += 128 << 6; } else { scale = v->lumscale + 32; - if(v->lumshift > 31) + if (v->lumshift > 31) shift = (v->lumshift - 64) << 6; else shift = v->lumshift << 6; } - for(i = 0; i < 256; i++) { - v->luty[i] = av_clip_uint8((scale * i + shift + 32) >> 6); + for (i = 0; i < 256; i++) { + v->luty[i] = av_clip_uint8((scale * i + shift + 32) >> 6); v->lutuv[i] = av_clip_uint8((scale * (i - 128) + 128*64 + 32) >> 6); } } v->qs_last = v->s.quarter_sample; - if(v->mv_mode == MV_PMODE_1MV_HPEL || v->mv_mode == MV_PMODE_1MV_HPEL_BILIN) + if (v->mv_mode == MV_PMODE_1MV_HPEL || v->mv_mode == MV_PMODE_1MV_HPEL_BILIN) v->s.quarter_sample = 0; - else if(v->mv_mode == MV_PMODE_INTENSITY_COMP) { - if(v->mv_mode2 == MV_PMODE_1MV_HPEL || v->mv_mode2 == MV_PMODE_1MV_HPEL_BILIN) + else if (v->mv_mode == MV_PMODE_INTENSITY_COMP) { + if (v->mv_mode2 == MV_PMODE_1MV_HPEL || v->mv_mode2 == MV_PMODE_1MV_HPEL_BILIN) v->s.quarter_sample = 0; else v->s.quarter_sample = 1; @@ -695,12 +699,12 @@ int vc1_parse_frame_header(VC1Context *v, GetBitContext* gb) v->s.quarter_sample = 1; v->s.mspel = !(v->mv_mode == MV_PMODE_1MV_HPEL_BILIN || (v->mv_mode == MV_PMODE_INTENSITY_COMP && v->mv_mode2 == MV_PMODE_1MV_HPEL_BILIN)); - if ((v->mv_mode == MV_PMODE_INTENSITY_COMP && - v->mv_mode2 == MV_PMODE_MIXED_MV) - || v->mv_mode == MV_PMODE_MIXED_MV) - { + if ((v->mv_mode == MV_PMODE_INTENSITY_COMP && + v->mv_mode2 == MV_PMODE_MIXED_MV) || + v->mv_mode == MV_PMODE_MIXED_MV) { status = bitplane_decoding(v->mv_type_mb_plane, &v->mv_type_is_raw, v); - if (status < 0) return -1; + if (status < 0) + return -1; av_log(v->s.avctx, AV_LOG_DEBUG, "MB MV Type plane encoding: " "Imode: %i, Invert: %i\n", status>>1, status&1); } else { @@ -708,7 +712,8 @@ int vc1_parse_frame_header(VC1Context *v, GetBitContext* gb) memset(v->mv_type_mb_plane, 0, v->s.mb_stride * v->s.mb_height); } status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v); - if (status < 0) return -1; + if (status < 0) + return -1; av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: " "Imode: %i, Invert: %i\n", status>>1, status&1); @@ -716,18 +721,15 @@ int vc1_parse_frame_header(VC1Context *v, GetBitContext* gb) v->s.mv_table_index = get_bits(gb, 2); //but using ff_vc1_ tables v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)]; - if (v->dquant) - { + if (v->dquant) { av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n"); vop_dquant_decoding(v); } v->ttfrm = 0; //FIXME Is that so ? - if (v->vstransform) - { + if (v->vstransform) { v->ttmbf = get_bits1(gb); - if (v->ttmbf) - { + if (v->ttmbf) { v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)]; } } else { @@ -736,39 +738,38 @@ int vc1_parse_frame_header(VC1Context *v, GetBitContext* gb) } break; 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; + if (v->pq < 5) v->tt_index = 0; + else if (v->pq < 13) v->tt_index = 1; + else v->tt_index = 2; - v->mv_mode = get_bits1(gb) ? MV_PMODE_1MV : MV_PMODE_1MV_HPEL_BILIN; - v->qs_last = v->s.quarter_sample; + v->mv_mode = get_bits1(gb) ? MV_PMODE_1MV : MV_PMODE_1MV_HPEL_BILIN; + v->qs_last = v->s.quarter_sample; v->s.quarter_sample = (v->mv_mode == MV_PMODE_1MV); - v->s.mspel = v->s.quarter_sample; + v->s.mspel = v->s.quarter_sample; status = bitplane_decoding(v->direct_mb_plane, &v->dmb_is_raw, v); - if (status < 0) return -1; + if (status < 0) + return -1; av_log(v->s.avctx, AV_LOG_DEBUG, "MB Direct Type plane encoding: " "Imode: %i, Invert: %i\n", status>>1, status&1); status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v); - if (status < 0) return -1; + if (status < 0) + return -1; av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: " "Imode: %i, Invert: %i\n", status>>1, status&1); v->s.mv_table_index = get_bits(gb, 2); - v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)]; + v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)]; - if (v->dquant) - { + if (v->dquant) { av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n"); vop_dquant_decoding(v); } v->ttfrm = 0; - if (v->vstransform) - { + if (v->vstransform) { v->ttmbf = get_bits1(gb); - if (v->ttmbf) - { + if (v->ttmbf) { v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)]; } } else { @@ -778,21 +779,19 @@ int vc1_parse_frame_header(VC1Context *v, GetBitContext* gb) break; } - if(!v->x8_type) - { + if (!v->x8_type) { /* AC Syntax */ v->c_ac_table_index = decode012(gb); - if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) - { + 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 == AV_PICTURE_TYPE_BI) { + if (v->s.pict_type == AV_PICTURE_TYPE_BI) { v->s.pict_type = AV_PICTURE_TYPE_B; - v->bi_type = 1; + v->bi_type = 1; } return 0; } @@ -833,15 +832,16 @@ int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) goto parse_common_info; } - if(v->interlace){ + if (v->interlace) { v->fcm = decode012(gb); - if(v->fcm){ + if (v->fcm) { if (v->fcm == 2) v->field_mode = 1; else v->field_mode = 0; if (!v->warn_interlaced++) - av_log(v->s.avctx, AV_LOG_ERROR, "Interlaced frames/fields support is incomplete\n"); + av_log(v->s.avctx, AV_LOG_ERROR, + "Interlaced frames/fields support is incomplete\n"); } } @@ -851,7 +851,7 @@ int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) if (v->fptype & 4) // B-picture v->s.pict_type = (v->fptype & 2) ? AV_PICTURE_TYPE_BI : AV_PICTURE_TYPE_B; } else { - switch(get_unary(gb, 0, 4)) { + switch (get_unary(gb, 0, 4)) { case 0: v->s.pict_type = AV_PICTURE_TYPE_P; break; @@ -870,25 +870,25 @@ int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) break; } } - if(v->tfcntrflag) + if (v->tfcntrflag) skip_bits(gb, 8); - if(v->broadcast) { - if(!v->interlace || v->psf) { + if (v->broadcast) { + if (!v->interlace || v->psf) { v->rptfrm = get_bits(gb, 2); } else { v->tff = get_bits1(gb); v->rff = get_bits1(gb); } } - if(v->panscanflag) { + if (v->panscanflag) { av_log_missing_feature(v->s.avctx, "Pan-scan", 0); //... } - if(v->p_frame_skipped) { + if (v->p_frame_skipped) { return 0; } v->rnd = get_bits1(gb); - if(v->interlace) + if (v->interlace) v->uvsamp = get_bits1(gb); if (v->field_mode) { if (!v->refdist_flag) @@ -901,7 +901,7 @@ int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) v->refdist += get_unary(gb, 0, 16); } else { 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]; + v->bfraction = ff_vc1_bfraction_lut[v->bfraction_lut_index]; v->frfd = (v->bfraction * v->refdist) >> 8; v->brfd = v->refdist - v->frfd - 1; if (v->brfd < 0) @@ -910,11 +910,12 @@ int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) } goto parse_common_info; } - if(v->finterpflag) v->interpfrm = get_bits1(gb); - if(v->s.pict_type == AV_PICTURE_TYPE_B) { + if (v->finterpflag) + v->interpfrm = get_bits1(gb); + 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->bfraction = ff_vc1_bfraction_lut[v->bfraction_lut_index]; + if (v->bfraction == 0) { v->s.pict_type = AV_PICTURE_TYPE_BI; /* XXX: should not happen here */ } } @@ -923,7 +924,8 @@ int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) if (v->field_mode) v->cur_field_type = !(v->tff ^ v->second_field); pqindex = get_bits(gb, 5); - if(!pqindex) return -1; + if (!pqindex) + return -1; v->pqindex = pqindex; if (v->quantizer_mode == QUANT_FRAME_IMPLICIT) v->pq = ff_vc1_pquant_table[0][pqindex]; @@ -942,16 +944,16 @@ int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) v->halfpq = 0; if (v->quantizer_mode == QUANT_FRAME_EXPLICIT) v->pquantizer = get_bits1(gb); - if(v->postprocflag) + if (v->postprocflag) v->postproc = get_bits(gb, 2); - if(v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_P) + 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) { + switch (v->s.pict_type) { case AV_PICTURE_TYPE_I: case AV_PICTURE_TYPE_BI: if (v->fcm == 1) { //interlace frame picture @@ -965,16 +967,16 @@ int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) if (status < 0) return -1; av_log(v->s.avctx, AV_LOG_DEBUG, "ACPRED plane encoding: " - "Imode: %i, Invert: %i\n", status>>1, status&1); + "Imode: %i, Invert: %i\n", status>>1, status&1); v->condover = CONDOVER_NONE; - if(v->overlap && v->pq <= 8) { + if (v->overlap && v->pq <= 8) { v->condover = decode012(gb); - if(v->condover == CONDOVER_SELECT) { + if (v->condover == CONDOVER_SELECT) { status = bitplane_decoding(v->over_flags_plane, &v->overflg_is_raw, v); if (status < 0) return -1; av_log(v->s.avctx, AV_LOG_DEBUG, "CONDOVER plane encoding: " - "Imode: %i, Invert: %i\n", status>>1, status&1); + "Imode: %i, Invert: %i\n", status>>1, status&1); } } break; @@ -982,7 +984,7 @@ int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) if (v->field_mode) { v->numref = get_bits1(gb); if (!v->numref) { - v->reffield = get_bits1(gb); + v->reffield = get_bits1(gb); v->ref_field_type[0] = v->reffield ^ !v->cur_field_type; } } @@ -997,7 +999,7 @@ int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) v->dmvrange = 0; if (v->fcm == 1) { // interlaced frame picture v->fourmvswitch = get_bits1(gb); - v->intcomp = get_bits1(gb); + v->intcomp = get_bits1(gb); if (v->intcomp) { v->lumscale = get_bits(gb, 6); v->lumshift = get_bits(gb, 6); @@ -1005,21 +1007,21 @@ int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) } status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v); av_log(v->s.avctx, AV_LOG_DEBUG, "SKIPMB plane encoding: " - "Imode: %i, Invert: %i\n", status>>1, status&1); + "Imode: %i, Invert: %i\n", status>>1, status&1); mbmodetab = get_bits(gb, 2); if (v->fourmvswitch) v->mbmode_vlc = &ff_vc1_intfr_4mv_mbmode_vlc[mbmodetab]; else v->mbmode_vlc = &ff_vc1_intfr_non4mv_mbmode_vlc[mbmodetab]; - imvtab = get_bits(gb, 2); - v->imv_vlc = &ff_vc1_1ref_mvdata_vlc[imvtab]; + imvtab = get_bits(gb, 2); + v->imv_vlc = &ff_vc1_1ref_mvdata_vlc[imvtab]; // interlaced p-picture cbpcy range is [1, 63] - icbptab = get_bits(gb, 3); - v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[icbptab]; - twomvbptab = get_bits(gb, 2); + icbptab = get_bits(gb, 3); + v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[icbptab]; + twomvbptab = get_bits(gb, 2); v->twomvbp_vlc = &ff_vc1_2mv_block_pattern_vlc[twomvbptab]; if (v->fourmvswitch) { - fourmvbptab = get_bits(gb, 2); + fourmvbptab = get_bits(gb, 2); v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[fourmvbptab]; } } @@ -1031,14 +1033,14 @@ int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) if (v->pq < 5) v->tt_index = 0; - else if(v->pq < 13) + else if (v->pq < 13) v->tt_index = 1; else v->tt_index = 2; if (v->fcm != 1) { int mvmode; - mvmode = get_unary(gb, 1, 4); - lowquant = (v->pq > 12) ? 0 : 1; + mvmode = get_unary(gb, 1, 4); + lowquant = (v->pq > 12) ? 0 : 1; v->mv_mode = ff_vc1_mv_pmode_table[lowquant][mvmode]; if (v->mv_mode == MV_PMODE_INTENSITY_COMP) { int mvmode2; @@ -1057,27 +1059,28 @@ int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) v->use_ic = 1; } v->qs_last = v->s.quarter_sample; - if(v->mv_mode == MV_PMODE_1MV_HPEL || v->mv_mode == MV_PMODE_1MV_HPEL_BILIN) + if (v->mv_mode == MV_PMODE_1MV_HPEL || v->mv_mode == MV_PMODE_1MV_HPEL_BILIN) v->s.quarter_sample = 0; - else if(v->mv_mode == MV_PMODE_INTENSITY_COMP) { - if(v->mv_mode2 == MV_PMODE_1MV_HPEL || v->mv_mode2 == MV_PMODE_1MV_HPEL_BILIN) + else if (v->mv_mode == MV_PMODE_INTENSITY_COMP) { + if (v->mv_mode2 == MV_PMODE_1MV_HPEL || v->mv_mode2 == MV_PMODE_1MV_HPEL_BILIN) v->s.quarter_sample = 0; else v->s.quarter_sample = 1; } else v->s.quarter_sample = 1; - v->s.mspel = !(v->mv_mode == MV_PMODE_1MV_HPEL_BILIN || (v->mv_mode == MV_PMODE_INTENSITY_COMP && v->mv_mode2 == MV_PMODE_1MV_HPEL_BILIN)); + v->s.mspel = !(v->mv_mode == MV_PMODE_1MV_HPEL_BILIN + || (v->mv_mode == MV_PMODE_INTENSITY_COMP + && v->mv_mode2 == MV_PMODE_1MV_HPEL_BILIN)); } if (v->fcm == 0) { // progressive if ((v->mv_mode == MV_PMODE_INTENSITY_COMP && - v->mv_mode2 == MV_PMODE_MIXED_MV) - || v->mv_mode == MV_PMODE_MIXED_MV) - { + v->mv_mode2 == MV_PMODE_MIXED_MV) + || v->mv_mode == MV_PMODE_MIXED_MV) { status = bitplane_decoding(v->mv_type_mb_plane, &v->mv_type_is_raw, v); if (status < 0) return -1; av_log(v->s.avctx, AV_LOG_DEBUG, "MB MV Type plane encoding: " - "Imode: %i, Invert: %i\n", status>>1, status&1); + "Imode: %i, Invert: %i\n", status>>1, status&1); } else { v->mv_type_is_raw = 0; memset(v->mv_type_mb_plane, 0, v->s.mb_stride * v->s.mb_height); @@ -1086,15 +1089,15 @@ int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) if (status < 0) return -1; av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: " - "Imode: %i, Invert: %i\n", status>>1, status&1); + "Imode: %i, Invert: %i\n", status>>1, status&1); /* Hopefully this is correct for P frames */ v->s.mv_table_index = get_bits(gb, 2); //but using ff_vc1_ tables - v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)]; + v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)]; } else if (v->fcm == 1) { // frame interlaced - v->qs_last = v->s.quarter_sample; + v->qs_last = v->s.quarter_sample; v->s.quarter_sample = 1; - v->s.mspel = 1; + v->s.mspel = 1; } else { // field interlaced mbmodetab = get_bits(gb, 3); imvtab = get_bits(gb, 2 + v->numref); @@ -1106,25 +1109,22 @@ int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[icbptab]; if ((v->mv_mode == MV_PMODE_INTENSITY_COMP && v->mv_mode2 == MV_PMODE_MIXED_MV) || v->mv_mode == MV_PMODE_MIXED_MV) { - fourmvbptab = get_bits(gb, 2); + fourmvbptab = get_bits(gb, 2); v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[fourmvbptab]; v->mbmode_vlc = &ff_vc1_if_mmv_mbmode_vlc[mbmodetab]; } else { v->mbmode_vlc = &ff_vc1_if_1mv_mbmode_vlc[mbmodetab]; } } - if (v->dquant) - { + if (v->dquant) { av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n"); vop_dquant_decoding(v); } v->ttfrm = 0; //FIXME Is that so ? - if (v->vstransform) - { + if (v->vstransform) { v->ttmbf = get_bits1(gb); - if (v->ttmbf) - { + if (v->ttmbf) { v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)]; } } else { @@ -1140,14 +1140,14 @@ int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) 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->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->pq < 5) v->tt_index = 0; - else if(v->pq < 13) + else if (v->pq < 13) v->tt_index = 1; else v->tt_index = 2; @@ -1158,10 +1158,10 @@ int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) v->dmvrange = get_unary(gb, 0, 3); mvmode = get_unary(gb, 1, 3); lowquant = (v->pq > 12) ? 0 : 1; - v->mv_mode = ff_vc1_mv_pmode_table2[lowquant][mvmode]; - v->qs_last = v->s.quarter_sample; + v->mv_mode = ff_vc1_mv_pmode_table2[lowquant][mvmode]; + v->qs_last = v->s.quarter_sample; v->s.quarter_sample = (v->mv_mode == MV_PMODE_1MV || v->mv_mode == MV_PMODE_MIXED_MV); - v->s.mspel = !(v->mv_mode == MV_PMODE_1MV_HPEL_BILIN || v->mv_mode == MV_PMODE_1MV_HPEL); + v->s.mspel = !(v->mv_mode == MV_PMODE_1MV_HPEL_BILIN || v->mv_mode == MV_PMODE_1MV_HPEL); status = bitplane_decoding(v->forward_mb_plane, &v->fmb_is_raw, v); if (status < 0) return -1; @@ -1172,21 +1172,21 @@ int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) v->mbmode_vlc = &ff_vc1_if_mmv_mbmode_vlc[mbmodetab]; else v->mbmode_vlc = &ff_vc1_if_1mv_mbmode_vlc[mbmodetab]; - imvtab = get_bits(gb, 3); - v->imv_vlc = &ff_vc1_2ref_mvdata_vlc[imvtab]; - icbptab = get_bits(gb, 3); + imvtab = get_bits(gb, 3); + v->imv_vlc = &ff_vc1_2ref_mvdata_vlc[imvtab]; + icbptab = get_bits(gb, 3); v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[icbptab]; if (v->mv_mode == MV_PMODE_MIXED_MV) { - fourmvbptab = get_bits(gb, 2); + fourmvbptab = get_bits(gb, 2); v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[fourmvbptab]; } v->numref = 1; // interlaced field B pictures are always 2-ref } else { - v->mv_mode = get_bits1(gb) ? MV_PMODE_1MV : MV_PMODE_1MV_HPEL_BILIN; - v->qs_last = v->s.quarter_sample; + v->mv_mode = get_bits1(gb) ? MV_PMODE_1MV : MV_PMODE_1MV_HPEL_BILIN; + v->qs_last = v->s.quarter_sample; v->s.quarter_sample = (v->mv_mode == MV_PMODE_1MV); - v->s.mspel = v->s.quarter_sample; - status = bitplane_decoding(v->direct_mb_plane, &v->dmb_is_raw, v); + v->s.mspel = v->s.quarter_sample; + status = bitplane_decoding(v->direct_mb_plane, &v->dmb_is_raw, v); if (status < 0) return -1; av_log(v->s.avctx, AV_LOG_DEBUG, "MB Direct Type plane encoding: " @@ -1200,18 +1200,15 @@ int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)]; } - if (v->dquant) - { + if (v->dquant) { av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n"); vop_dquant_decoding(v); } v->ttfrm = 0; - if (v->vstransform) - { + if (v->vstransform) { v->ttmbf = get_bits1(gb); - if (v->ttmbf) - { + if (v->ttmbf) { v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)]; } } else { @@ -1223,19 +1220,19 @@ int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) /* AC Syntax */ v->c_ac_table_index = decode012(gb); - if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) - { + 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 == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) && 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 == AV_PICTURE_TYPE_BI) { + if (v->s.pict_type == AV_PICTURE_TYPE_BI) { v->s.pict_type = AV_PICTURE_TYPE_B; v->bi_type = 1; }