From a0c5917f86a6ff0d91d7f9af71afca0d43c14825 Mon Sep 17 00:00:00 2001 From: Diego Biurrun Date: Mon, 24 Sep 2012 17:57:14 +0200 Subject: Drop Snow codec Snow is a toy codec with no real-world use and horrible code. --- libavcodec/snow.c | 678 ------------------------------------------------------ 1 file changed, 678 deletions(-) delete mode 100644 libavcodec/snow.c (limited to 'libavcodec/snow.c') diff --git a/libavcodec/snow.c b/libavcodec/snow.c deleted file mode 100644 index 153e5b2286..0000000000 --- a/libavcodec/snow.c +++ /dev/null @@ -1,678 +0,0 @@ -/* - * Copyright (C) 2004 Michael Niedermayer - * - * This file is part of Libav. - * - * 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. - * - * 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 Libav; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "libavutil/intmath.h" -#include "libavutil/log.h" -#include "libavutil/opt.h" -#include "avcodec.h" -#include "dsputil.h" -#include "dwt.h" -#include "internal.h" -#include "snow.h" -#include "snowdata.h" - -#include "rangecoder.h" -#include "mathops.h" -#include "h263.h" - -#undef NDEBUG -#include - - -void ff_snow_inner_add_yblock(const uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h, - int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8){ - int y, x; - IDWTELEM * dst; - for(y=0; y>1); - const uint8_t *obmc3= obmc1+ obmc_stride*(obmc_stride>>1); - const uint8_t *obmc4= obmc3+ (obmc_stride>>1); - dst = slice_buffer_get_line(sb, src_y + y); - for(x=0; x>= 8 - FRAC_BITS; - } - if(add){ - v += dst[x + src_x]; - v = (v + (1<<(FRAC_BITS-1))) >> FRAC_BITS; - if(v&(~255)) v= ~(v>>31); - dst8[x + y*src_stride] = v; - }else{ - dst[x + src_x] -= v; - } - } - } -} - -void ff_snow_reset_contexts(SnowContext *s){ //FIXME better initial contexts - int plane_index, level, orientation; - - for(plane_index=0; plane_index<3; plane_index++){ - for(level=0; levelplane[plane_index].band[level][orientation].state, MID_STATE, sizeof(s->plane[plane_index].band[level][orientation].state)); - } - } - } - memset(s->header_state, MID_STATE, sizeof(s->header_state)); - memset(s->block_state, MID_STATE, sizeof(s->block_state)); -} - -int ff_snow_alloc_blocks(SnowContext *s){ - int w= -((-s->avctx->width )>>LOG2_MB_SIZE); - int h= -((-s->avctx->height)>>LOG2_MB_SIZE); - - s->b_width = w; - s->b_height= h; - - av_free(s->block); - s->block= av_mallocz(w * h * sizeof(BlockNode) << (s->block_max_depth*2)); - return 0; -} - -static void init_qexp(void){ - int i; - double v=128; - - for(i=0; i>4; - - b= needs[l] | needs[r]; - if(p && !p->diag_mc) - b= 15; - - if(b&5){ - for(y=0; y < b_h+HTAPS_MAX-1; y++){ - for(x=0; x < b_w; x++){ - int a_1=src[x + HTAPS_MAX/2-4]; - int a0= src[x + HTAPS_MAX/2-3]; - int a1= src[x + HTAPS_MAX/2-2]; - int a2= src[x + HTAPS_MAX/2-1]; - int a3= src[x + HTAPS_MAX/2+0]; - int a4= src[x + HTAPS_MAX/2+1]; - int a5= src[x + HTAPS_MAX/2+2]; - int a6= src[x + HTAPS_MAX/2+3]; - int am=0; - if(!p || p->fast_mc){ - am= 20*(a2+a3) - 5*(a1+a4) + (a0+a5); - tmpI[x]= am; - am= (am+16)>>5; - }else{ - am= p->hcoeff[0]*(a2+a3) + p->hcoeff[1]*(a1+a4) + p->hcoeff[2]*(a0+a5) + p->hcoeff[3]*(a_1+a6); - tmpI[x]= am; - am= (am+32)>>6; - } - - if(am&(~255)) am= ~(am>>31); - tmp2[x]= am; - } - tmpI+= 64; - tmp2+= 64; - src += stride; - } - src -= stride*y; - } - src += HTAPS_MAX/2 - 1; - tmp2= tmp2t[1]; - - if(b&2){ - for(y=0; y < b_h; y++){ - for(x=0; x < b_w+1; x++){ - int a_1=src[x + (HTAPS_MAX/2-4)*stride]; - int a0= src[x + (HTAPS_MAX/2-3)*stride]; - int a1= src[x + (HTAPS_MAX/2-2)*stride]; - int a2= src[x + (HTAPS_MAX/2-1)*stride]; - int a3= src[x + (HTAPS_MAX/2+0)*stride]; - int a4= src[x + (HTAPS_MAX/2+1)*stride]; - int a5= src[x + (HTAPS_MAX/2+2)*stride]; - int a6= src[x + (HTAPS_MAX/2+3)*stride]; - int am=0; - if(!p || p->fast_mc) - am= (20*(a2+a3) - 5*(a1+a4) + (a0+a5) + 16)>>5; - else - am= (p->hcoeff[0]*(a2+a3) + p->hcoeff[1]*(a1+a4) + p->hcoeff[2]*(a0+a5) + p->hcoeff[3]*(a_1+a6) + 32)>>6; - - if(am&(~255)) am= ~(am>>31); - tmp2[x]= am; - } - src += stride; - tmp2+= 64; - } - src -= stride*y; - } - src += stride*(HTAPS_MAX/2 - 1); - tmp2= tmp2t[2]; - tmpI= tmpIt; - if(b&4){ - for(y=0; y < b_h; y++){ - for(x=0; x < b_w; x++){ - int a_1=tmpI[x + (HTAPS_MAX/2-4)*64]; - int a0= tmpI[x + (HTAPS_MAX/2-3)*64]; - int a1= tmpI[x + (HTAPS_MAX/2-2)*64]; - int a2= tmpI[x + (HTAPS_MAX/2-1)*64]; - int a3= tmpI[x + (HTAPS_MAX/2+0)*64]; - int a4= tmpI[x + (HTAPS_MAX/2+1)*64]; - int a5= tmpI[x + (HTAPS_MAX/2+2)*64]; - int a6= tmpI[x + (HTAPS_MAX/2+3)*64]; - int am=0; - if(!p || p->fast_mc) - am= (20*(a2+a3) - 5*(a1+a4) + (a0+a5) + 512)>>10; - else - am= (p->hcoeff[0]*(a2+a3) + p->hcoeff[1]*(a1+a4) + p->hcoeff[2]*(a0+a5) + p->hcoeff[3]*(a_1+a6) + 2048)>>12; - if(am&(~255)) am= ~(am>>31); - tmp2[x]= am; - } - tmpI+= 64; - tmp2+= 64; - } - } - - hpel[ 0]= src; - hpel[ 1]= tmp2t[0] + 64*(HTAPS_MAX/2-1); - hpel[ 2]= src + 1; - - hpel[ 4]= tmp2t[1]; - hpel[ 5]= tmp2t[2]; - hpel[ 6]= tmp2t[1] + 1; - - hpel[ 8]= src + stride; - hpel[ 9]= hpel[1] + 64; - hpel[10]= hpel[8] + 1; - -#define MC_STRIDE(x) (needs[x] ? 64 : stride) - - if(b==15){ - int dxy = dx / 8 + dy / 8 * 4; - const uint8_t *src1 = hpel[dxy ]; - const uint8_t *src2 = hpel[dxy + 1]; - const uint8_t *src3 = hpel[dxy + 4]; - const uint8_t *src4 = hpel[dxy + 5]; - int stride1 = MC_STRIDE(dxy); - int stride2 = MC_STRIDE(dxy + 1); - int stride3 = MC_STRIDE(dxy + 4); - int stride4 = MC_STRIDE(dxy + 5); - dx&=7; - dy&=7; - for(y=0; y < b_h; y++){ - for(x=0; x < b_w; x++){ - dst[x]= ((8-dx)*(8-dy)*src1[x] + dx*(8-dy)*src2[x]+ - (8-dx)* dy *src3[x] + dx* dy *src4[x]+32)>>6; - } - src1+=stride1; - src2+=stride2; - src3+=stride3; - src4+=stride4; - dst +=stride; - } - }else{ - const uint8_t *src1= hpel[l]; - const uint8_t *src2= hpel[r]; - int stride1 = MC_STRIDE(l); - int stride2 = MC_STRIDE(r); - int a= weight[((dx&7) + (8*(dy&7)))]; - int b= 8-a; - for(y=0; y < b_h; y++){ - for(x=0; x < b_w; x++){ - dst[x]= (a*src1[x] + b*src2[x] + 4)>>3; - } - src1+=stride1; - src2+=stride2; - dst +=stride; - } - } -} - -void ff_snow_pred_block(SnowContext *s, uint8_t *dst, uint8_t *tmp, int stride, int sx, int sy, int b_w, int b_h, BlockNode *block, int plane_index, int w, int h){ - if(block->type & BLOCK_INTRA){ - int x, y; - const unsigned color = block->color[plane_index]; - const unsigned color4 = color*0x01010101; - if(b_w==32){ - for(y=0; y < b_h; y++){ - *(uint32_t*)&dst[0 + y*stride]= color4; - *(uint32_t*)&dst[4 + y*stride]= color4; - *(uint32_t*)&dst[8 + y*stride]= color4; - *(uint32_t*)&dst[12+ y*stride]= color4; - *(uint32_t*)&dst[16+ y*stride]= color4; - *(uint32_t*)&dst[20+ y*stride]= color4; - *(uint32_t*)&dst[24+ y*stride]= color4; - *(uint32_t*)&dst[28+ y*stride]= color4; - } - }else if(b_w==16){ - for(y=0; y < b_h; y++){ - *(uint32_t*)&dst[0 + y*stride]= color4; - *(uint32_t*)&dst[4 + y*stride]= color4; - *(uint32_t*)&dst[8 + y*stride]= color4; - *(uint32_t*)&dst[12+ y*stride]= color4; - } - }else if(b_w==8){ - for(y=0; y < b_h; y++){ - *(uint32_t*)&dst[0 + y*stride]= color4; - *(uint32_t*)&dst[4 + y*stride]= color4; - } - }else if(b_w==4){ - for(y=0; y < b_h; y++){ - *(uint32_t*)&dst[0 + y*stride]= color4; - } - }else{ - for(y=0; y < b_h; y++){ - for(x=0; x < b_w; x++){ - dst[x + y*stride]= color; - } - } - } - }else{ - uint8_t *src= s->last_picture[block->ref].data[plane_index]; - const int scale= plane_index ? s->mv_scale : 2*s->mv_scale; - int mx= block->mx*scale; - int my= block->my*scale; - const int dx= mx&15; - const int dy= my&15; - const int tab_index= 3 - (b_w>>2) + (b_w>>4); - sx += (mx>>4) - (HTAPS_MAX/2-1); - sy += (my>>4) - (HTAPS_MAX/2-1); - src += sx + sy*stride; - if( (unsigned)sx >= w - b_w - (HTAPS_MAX-2) - || (unsigned)sy >= h - b_h - (HTAPS_MAX-2)){ - s->vdsp.emulated_edge_mc(tmp + MB_SIZE, src, stride, b_w+HTAPS_MAX-1, b_h+HTAPS_MAX-1, sx, sy, w, h); - src= tmp + MB_SIZE; - } -// assert(b_w == b_h || 2*b_w == b_h || b_w == 2*b_h); -// assert(!(b_w&(b_w-1))); - assert(b_w>1 && b_h>1); - assert((tab_index>=0 && tab_index<4) || b_w==32); - if((dx&3) || (dy&3) || !(b_w == b_h || 2*b_w == b_h || b_w == 2*b_h) || (b_w&(b_w-1)) || !s->plane[plane_index].fast_mc ) - mc_block(&s->plane[plane_index], dst, src, stride, b_w, b_h, dx, dy); - else if(b_w==32){ - int y; - for(y=0; ydsp.put_h264_qpel_pixels_tab[0][dy+(dx>>2)](dst + y*stride, src + 3 + (y+3)*stride,stride); - s->dsp.put_h264_qpel_pixels_tab[0][dy+(dx>>2)](dst + 16 + y*stride, src + 19 + (y+3)*stride,stride); - } - }else if(b_w==b_h) - s->dsp.put_h264_qpel_pixels_tab[tab_index ][dy+(dx>>2)](dst,src + 3 + 3*stride,stride); - else if(b_w==2*b_h){ - s->dsp.put_h264_qpel_pixels_tab[tab_index+1][dy+(dx>>2)](dst ,src + 3 + 3*stride,stride); - s->dsp.put_h264_qpel_pixels_tab[tab_index+1][dy+(dx>>2)](dst+b_h,src + 3 + b_h + 3*stride,stride); - }else{ - assert(2*b_w==b_h); - s->dsp.put_h264_qpel_pixels_tab[tab_index ][dy+(dx>>2)](dst ,src + 3 + 3*stride ,stride); - s->dsp.put_h264_qpel_pixels_tab[tab_index ][dy+(dx>>2)](dst+b_w*stride,src + 3 + 3*stride+b_w*stride,stride); - } - } -} - -#define mca(dx,dy,b_w)\ -static void mc_block_hpel ## dx ## dy ## b_w(uint8_t *dst, const uint8_t *src, int stride, int h){\ - assert(h==b_w);\ - mc_block(NULL, dst, src-(HTAPS_MAX/2-1)-(HTAPS_MAX/2-1)*stride, stride, b_w, b_w, dx, dy);\ -} - -mca( 0, 0,16) -mca( 8, 0,16) -mca( 0, 8,16) -mca( 8, 8,16) -mca( 0, 0,8) -mca( 8, 0,8) -mca( 0, 8,8) -mca( 8, 8,8) - -av_cold int ff_snow_common_init(AVCodecContext *avctx){ - SnowContext *s = avctx->priv_data; - int width, height; - int i, j, ret; - int emu_buf_size; - - s->avctx= avctx; - s->max_ref_frames=1; //just make sure its not an invalid value in case of no initial keyframe - - ff_dsputil_init(&s->dsp, avctx); - ff_videodsp_init(&s->vdsp, 8); - ff_dwt_init(&s->dwt); - -#define mcf(dx,dy)\ - s->dsp.put_qpel_pixels_tab [0][dy+dx/4]=\ - s->dsp.put_no_rnd_qpel_pixels_tab[0][dy+dx/4]=\ - s->dsp.put_h264_qpel_pixels_tab[0][dy+dx/4];\ - s->dsp.put_qpel_pixels_tab [1][dy+dx/4]=\ - s->dsp.put_no_rnd_qpel_pixels_tab[1][dy+dx/4]=\ - s->dsp.put_h264_qpel_pixels_tab[1][dy+dx/4]; - - mcf( 0, 0) - mcf( 4, 0) - mcf( 8, 0) - mcf(12, 0) - mcf( 0, 4) - mcf( 4, 4) - mcf( 8, 4) - mcf(12, 4) - mcf( 0, 8) - mcf( 4, 8) - mcf( 8, 8) - mcf(12, 8) - mcf( 0,12) - mcf( 4,12) - mcf( 8,12) - mcf(12,12) - -#define mcfh(dx,dy)\ - s->dsp.put_pixels_tab [0][dy/4+dx/8]=\ - s->dsp.put_no_rnd_pixels_tab[0][dy/4+dx/8]=\ - mc_block_hpel ## dx ## dy ## 16;\ - s->dsp.put_pixels_tab [1][dy/4+dx/8]=\ - s->dsp.put_no_rnd_pixels_tab[1][dy/4+dx/8]=\ - mc_block_hpel ## dx ## dy ## 8; - - mcfh(0, 0) - mcfh(8, 0) - mcfh(0, 8) - mcfh(8, 8) - - init_qexp(); - -// dec += FFMAX(s->chroma_h_shift, s->chroma_v_shift); - - width= s->avctx->width; - height= s->avctx->height; - - FF_ALLOCZ_OR_GOTO(avctx, s->spatial_idwt_buffer, width * height * sizeof(IDWTELEM), fail); - FF_ALLOCZ_OR_GOTO(avctx, s->spatial_dwt_buffer, width * height * sizeof(DWTELEM), fail); //FIXME this does not belong here - FF_ALLOCZ_OR_GOTO(avctx, s->temp_dwt_buffer, width * sizeof(DWTELEM), fail); - FF_ALLOCZ_OR_GOTO(avctx, s->temp_idwt_buffer, width * sizeof(IDWTELEM), fail); - FF_ALLOC_OR_GOTO(avctx, s->run_buffer, ((width + 1) >> 1) * ((height + 1) >> 1) * sizeof(*s->run_buffer), fail); - - for(i=0; iavctx, &s->mconly_picture)) < 0) { - av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n"); - return ret; - } - FF_ALLOC_OR_GOTO(avctx, s->scratchbuf, s->mconly_picture.linesize[0]*7*MB_SIZE, fail); - emu_buf_size = s->mconly_picture.linesize[0] * (2 * MB_SIZE + HTAPS_MAX - 1); - FF_ALLOC_OR_GOTO(avctx, s->emu_edge_buffer, emu_buf_size, fail); - - return 0; -fail: - return AVERROR(ENOMEM); -} - -int ff_snow_common_init_after_header(AVCodecContext *avctx) { - SnowContext *s = avctx->priv_data; - int plane_index, level, orientation; - - for(plane_index=0; plane_index<3; plane_index++){ - int w= s->avctx->width; - int h= s->avctx->height; - - if(plane_index){ - w>>= s->chroma_h_shift; - h>>= s->chroma_v_shift; - } - s->plane[plane_index].width = w; - s->plane[plane_index].height= h; - - for(level=s->spatial_decomposition_count-1; level>=0; level--){ - for(orientation=level ? 1 : 0; orientation<4; orientation++){ - SubBand *b= &s->plane[plane_index].band[level][orientation]; - - b->buf= s->spatial_dwt_buffer; - b->level= level; - b->stride= s->plane[plane_index].width << (s->spatial_decomposition_count - level); - b->width = (w + !(orientation&1))>>1; - b->height= (h + !(orientation>1))>>1; - - b->stride_line = 1 << (s->spatial_decomposition_count - level); - b->buf_x_offset = 0; - b->buf_y_offset = 0; - - if(orientation&1){ - b->buf += (w+1)>>1; - b->buf_x_offset = (w+1)>>1; - } - if(orientation>1){ - b->buf += b->stride>>1; - b->buf_y_offset = b->stride_line >> 1; - } - b->ibuf= s->spatial_idwt_buffer + (b->buf - s->spatial_dwt_buffer); - - if(level) - b->parent= &s->plane[plane_index].band[level-1][orientation]; - //FIXME avoid this realloc - av_freep(&b->x_coeff); - b->x_coeff=av_mallocz(((b->width+1) * b->height+1)*sizeof(x_and_coeff)); - } - w= (w+1)>>1; - h= (h+1)>>1; - } - } - - return 0; -} - -#define USE_HALFPEL_PLANE 0 - -static void halfpel_interpol(SnowContext *s, uint8_t *halfpel[4][4], AVFrame *frame){ - int p,x,y; - - for(p=0; p<3; p++){ - int is_chroma= !!p; - int w= s->avctx->width >>is_chroma; - int h= s->avctx->height >>is_chroma; - int ls= frame->linesize[p]; - uint8_t *src= frame->data[p]; - - halfpel[1][p] = (uint8_t*) av_malloc(ls * (h + 2 * EDGE_WIDTH)) + EDGE_WIDTH * (1 + ls); - halfpel[2][p] = (uint8_t*) av_malloc(ls * (h + 2 * EDGE_WIDTH)) + EDGE_WIDTH * (1 + ls); - halfpel[3][p] = (uint8_t*) av_malloc(ls * (h + 2 * EDGE_WIDTH)) + EDGE_WIDTH * (1 + ls); - - halfpel[0][p]= src; - for(y=0; y>5; - } - } - for(y=0; y>5; - } - } - src= halfpel[1][p]; - for(y=0; y>5; - } - } - -//FIXME border! - } -} - -void ff_snow_release_buffer(AVCodecContext *avctx) -{ - SnowContext *s = avctx->priv_data; - int i; - - if(s->last_picture[s->max_ref_frames-1].data[0]){ - avctx->release_buffer(avctx, &s->last_picture[s->max_ref_frames-1]); - for(i=0; i<9; i++) - if(s->halfpel_plane[s->max_ref_frames-1][1+i/3][i%3]) - av_free(s->halfpel_plane[s->max_ref_frames-1][1+i/3][i%3] - EDGE_WIDTH*(1+s->current_picture.linesize[i%3])); - } -} - -int ff_snow_frame_start(SnowContext *s){ - AVFrame tmp; - int w= s->avctx->width; //FIXME round up to x16 ? - int h= s->avctx->height; - - if (s->current_picture.data[0] && !(s->avctx->flags&CODEC_FLAG_EMU_EDGE)) { - s->dsp.draw_edges(s->current_picture.data[0], - s->current_picture.linesize[0], w , h , - EDGE_WIDTH , EDGE_WIDTH , EDGE_TOP | EDGE_BOTTOM); - s->dsp.draw_edges(s->current_picture.data[1], - s->current_picture.linesize[1], w>>1, h>>1, - EDGE_WIDTH/2, EDGE_WIDTH/2, EDGE_TOP | EDGE_BOTTOM); - s->dsp.draw_edges(s->current_picture.data[2], - s->current_picture.linesize[2], w>>1, h>>1, - EDGE_WIDTH/2, EDGE_WIDTH/2, EDGE_TOP | EDGE_BOTTOM); - } - - ff_snow_release_buffer(s->avctx); - - tmp= s->last_picture[s->max_ref_frames-1]; - memmove(s->last_picture+1, s->last_picture, (s->max_ref_frames-1)*sizeof(AVFrame)); - memmove(s->halfpel_plane+1, s->halfpel_plane, (s->max_ref_frames-1)*sizeof(void*)*4*4); - if(USE_HALFPEL_PLANE && s->current_picture.data[0]) - halfpel_interpol(s, s->halfpel_plane[0], &s->current_picture); - s->last_picture[0]= s->current_picture; - s->current_picture= tmp; - - if(s->keyframe){ - s->ref_frames= 0; - }else{ - int i; - for(i=0; imax_ref_frames && s->last_picture[i].data[0]; i++) - if(i && s->last_picture[i-1].key_frame) - break; - s->ref_frames= i; - if(s->ref_frames==0){ - av_log(s->avctx,AV_LOG_ERROR, "No reference frames\n"); - return -1; - } - } - - s->current_picture.reference= 1; - if(ff_get_buffer(s->avctx, &s->current_picture) < 0){ - av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n"); - return -1; - } - - s->current_picture.key_frame= s->keyframe; - - return 0; -} - -av_cold void ff_snow_common_end(SnowContext *s) -{ - int plane_index, level, orientation, i; - - av_freep(&s->spatial_dwt_buffer); - av_freep(&s->temp_dwt_buffer); - av_freep(&s->spatial_idwt_buffer); - av_freep(&s->temp_idwt_buffer); - av_freep(&s->run_buffer); - - s->m.me.temp= NULL; - av_freep(&s->m.me.scratchpad); - av_freep(&s->m.me.map); - av_freep(&s->m.me.score_map); - av_freep(&s->m.obmc_scratchpad); - - av_freep(&s->block); - av_freep(&s->scratchbuf); - av_freep(&s->emu_edge_buffer); - - for(i=0; iref_mvs[i]); - av_freep(&s->ref_scores[i]); - if(s->last_picture[i].data[0]) - s->avctx->release_buffer(s->avctx, &s->last_picture[i]); - } - - for(plane_index=0; plane_index<3; plane_index++){ - for(level=s->spatial_decomposition_count-1; level>=0; level--){ - for(orientation=level ? 1 : 0; orientation<4; orientation++){ - SubBand *b= &s->plane[plane_index].band[level][orientation]; - - av_freep(&b->x_coeff); - } - } - } - if (s->mconly_picture.data[0]) - s->avctx->release_buffer(s->avctx, &s->mconly_picture); - if (s->current_picture.data[0]) - s->avctx->release_buffer(s->avctx, &s->current_picture); -} -- cgit v1.2.3