diff options
| -rw-r--r-- | libavcodec/vc1dec.c | 51 |
1 files changed, 26 insertions, 25 deletions
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c index 70c7d268bc..ccdc3e8521 100644 --- a/libavcodec/vc1dec.c +++ b/libavcodec/vc1dec.c @@ -2764,7 +2764,7 @@ static void vc1_decode_i_blocks(VC1Context *v) /** Decode blocks of I-frame for advanced profile */ -static void vc1_decode_i_blocks_adv(VC1Context *v, int mby_start, int mby_end) +static void vc1_decode_i_blocks_adv(VC1Context *v) { int k; MpegEncContext *s = &v->s; @@ -2805,14 +2805,14 @@ static void vc1_decode_i_blocks_adv(VC1Context *v, int mby_start, int mby_end) s->mb_x = s->mb_y = 0; s->mb_intra = 1; s->first_slice_line = 1; - s->mb_y = mby_start; - if (mby_start) { + s->mb_y = s->start_mb_y; + if (s->start_mb_y) { s->mb_x = 0; ff_init_block_index(s); memset(&s->coded_block[s->block_index[0]-s->b8_stride], 0, s->b8_stride * sizeof(*s->coded_block)); } - for(; s->mb_y < mby_end; s->mb_y++) { + for(; s->mb_y < s->end_mb_y; s->mb_y++) { s->mb_x = 0; ff_init_block_index(s); for(;s->mb_x < s->mb_width; s->mb_x++) { @@ -2898,7 +2898,7 @@ static void vc1_decode_i_blocks_adv(VC1Context *v, int mby_start, int mby_end) if(v->s.loop_filter) vc1_loop_filter_iblk(v, v->pq); if(get_bits_count(&s->gb) > v->bits) { - ff_er_add_slice(s, 0, mby_start, s->mb_x, s->mb_y, (AC_END|DC_END|MV_END)); + ff_er_add_slice(s, 0, s->start_mb_y, 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; } @@ -2911,10 +2911,10 @@ static void vc1_decode_i_blocks_adv(VC1Context *v, int mby_start, int mby_end) } if (v->s.loop_filter) ff_draw_horiz_band(s, (s->mb_height-1)*16, 16); - ff_er_add_slice(s, 0, mby_start, s->mb_width - 1, mby_end - 1, (AC_END|DC_END|MV_END)); + ff_er_add_slice(s, 0, s->start_mb_y, s->mb_width - 1, s->end_mb_y - 1, (AC_END|DC_END|MV_END)); } -static void vc1_decode_p_blocks(VC1Context *v, int mby_start, int mby_end) +static void vc1_decode_p_blocks(VC1Context *v) { MpegEncContext *s = &v->s; int apply_loop_filter; @@ -2947,17 +2947,17 @@ static void vc1_decode_p_blocks(VC1Context *v, int mby_start, int mby_end) apply_loop_filter = s->loop_filter && !(s->avctx->skip_loop_filter >= AVDISCARD_NONKEY); s->first_slice_line = 1; memset(v->cbp_base, 0, sizeof(v->cbp_base[0])*2*s->mb_stride); - for(s->mb_y = mby_start; s->mb_y < mby_end; s->mb_y++) { + for(s->mb_y = s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) { s->mb_x = 0; ff_init_block_index(s); for(; s->mb_x < s->mb_width; s->mb_x++) { ff_update_block_index(s); vc1_decode_p_mb(v); - if (s->mb_y != mby_start && apply_loop_filter) + if (s->mb_y != s->start_mb_y && apply_loop_filter) vc1_apply_p_loop_filter(v); if(get_bits_count(&s->gb) > v->bits || get_bits_count(&s->gb) < 0) { - ff_er_add_slice(s, 0, mby_start, s->mb_x, s->mb_y, (AC_END|DC_END|MV_END)); + ff_er_add_slice(s, 0, s->start_mb_y, 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; } @@ -2966,7 +2966,7 @@ static void vc1_decode_p_blocks(VC1Context *v, int mby_start, int mby_end) memmove(v->ttblk_base, v->ttblk, sizeof(v->ttblk_base[0])*s->mb_stride); memmove(v->is_intra_base, v->is_intra, sizeof(v->is_intra_base[0])*s->mb_stride); memmove(v->luma_mv_base, v->luma_mv, sizeof(v->luma_mv_base[0])*s->mb_stride); - if (s->mb_y != mby_start) ff_draw_horiz_band(s, (s->mb_y-1) * 16, 16); + if (s->mb_y != s->start_mb_y) ff_draw_horiz_band(s, (s->mb_y-1) * 16, 16); s->first_slice_line = 0; } if (apply_loop_filter) { @@ -2977,12 +2977,12 @@ static void vc1_decode_p_blocks(VC1Context *v, int mby_start, int mby_end) vc1_apply_p_loop_filter(v); } } - if (mby_end >= mby_start) - ff_draw_horiz_band(s, (mby_end-1) * 16, 16); - ff_er_add_slice(s, 0, mby_start, s->mb_width - 1, mby_end - 1, (AC_END|DC_END|MV_END)); + if (s->end_mb_y >= s->start_mb_y) + ff_draw_horiz_band(s, (s->end_mb_y-1) * 16, 16); + ff_er_add_slice(s, 0, s->start_mb_y, s->mb_width - 1, s->end_mb_y - 1, (AC_END|DC_END|MV_END)); } -static void vc1_decode_b_blocks(VC1Context *v, int mby_start, int mby_end) +static void vc1_decode_b_blocks(VC1Context *v) { MpegEncContext *s = &v->s; @@ -3012,7 +3012,7 @@ static void vc1_decode_b_blocks(VC1Context *v, int mby_start, int mby_end) } s->first_slice_line = 1; - for(s->mb_y = mby_start; s->mb_y < mby_end; s->mb_y++) { + for(s->mb_y = s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) { s->mb_x = 0; ff_init_block_index(s); for(; s->mb_x < s->mb_width; s->mb_x++) { @@ -3020,7 +3020,7 @@ static void vc1_decode_b_blocks(VC1Context *v, int mby_start, int mby_end) 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, mby_start, s->mb_x, s->mb_y, (AC_END|DC_END|MV_END)); + ff_er_add_slice(s, 0, s->start_mb_y, 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; } @@ -3034,7 +3034,7 @@ static void vc1_decode_b_blocks(VC1Context *v, int mby_start, int mby_end) } if (v->s.loop_filter) ff_draw_horiz_band(s, (s->mb_height-1)*16, 16); - ff_er_add_slice(s, 0, mby_start, s->mb_width - 1, mby_end - 1, (AC_END|DC_END|MV_END)); + ff_er_add_slice(s, 0, s->start_mb_y, s->mb_width - 1, s->end_mb_y - 1, (AC_END|DC_END|MV_END)); } static void vc1_decode_skip_blocks(VC1Context *v) @@ -3056,7 +3056,7 @@ static void vc1_decode_skip_blocks(VC1Context *v) s->pict_type = AV_PICTURE_TYPE_P; } -static void vc1_decode_blocks(VC1Context *v, int mby_start, int mby_end) +static void vc1_decode_blocks(VC1Context *v) { v->s.esc3_level_length = 0; @@ -3066,7 +3066,7 @@ static void vc1_decode_blocks(VC1Context *v, int mby_start, int mby_end) switch(v->s.pict_type) { case AV_PICTURE_TYPE_I: if(v->profile == PROFILE_ADVANCED) - vc1_decode_i_blocks_adv(v, mby_start, mby_end); + vc1_decode_i_blocks_adv(v); else vc1_decode_i_blocks(v); break; @@ -3074,16 +3074,16 @@ static void vc1_decode_blocks(VC1Context *v, int mby_start, int mby_end) if(v->p_frame_skipped) vc1_decode_skip_blocks(v); else - vc1_decode_p_blocks(v, mby_start, mby_end); + vc1_decode_p_blocks(v); break; case AV_PICTURE_TYPE_B: if(v->bi_type){ if(v->profile == PROFILE_ADVANCED) - vc1_decode_i_blocks_adv(v, mby_start, mby_end); + vc1_decode_i_blocks_adv(v); else vc1_decode_i_blocks(v); }else - vc1_decode_b_blocks(v, mby_start, mby_end); + vc1_decode_b_blocks(v); break; } } @@ -3539,8 +3539,9 @@ static int vc1_decode_frame(AVCodecContext *avctx, for (i = 0; i <= n_slices; i++) { if (i && get_bits1(&s->gb)) vc1_parse_frame_header_adv(v, &s->gb); - vc1_decode_blocks(v, i == 0 ? 0 : FFMAX(0, slices[i-1].mby_start), - i == n_slices ? s->mb_height : FFMIN(s->mb_height, slices[i].mby_start)); + s->start_mb_y = (i == 0) ? 0 : FFMAX(0, slices[i-1].mby_start); + s->end_mb_y = (i == n_slices) ? s->mb_height : FFMIN(s->mb_height, slices[i].mby_start); + vc1_decode_blocks(v); if (i != n_slices) s->gb = slices[i].gb; } //av_log(s->avctx, AV_LOG_INFO, "Consumed %i/%i bits\n", get_bits_count(&s->gb), s->gb.size_in_bits); |