]> git.sesse.net Git - ffmpeg/blobdiff - libavcodec/mpegvideo.c
write actual min and max frame size to FLAC header. update regression test checksum.
[ffmpeg] / libavcodec / mpegvideo.c
index 18b4a57dc287114e681f1701b0b842f98e73776c..ce52a0cabc50c53fea945bc0562d1da1f9d571c8 100644 (file)
@@ -70,29 +70,14 @@ static const uint8_t ff_default_chroma_qscale_table[32]={
     0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31
 };
 
-void ff_init_scantable(uint8_t *permutation, ScanTable *st, const uint8_t *src_scantable){
-    int i;
-    int end;
-
-    st->scantable= src_scantable;
-
-    for(i=0; i<64; i++){
-        int j;
-        j = src_scantable[i];
-        st->permutated[i] = permutation[j];
-#ifdef ARCH_POWERPC
-        st->inverse[j] = i;
-#endif
-    }
+const uint8_t ff_mpeg1_dc_scale_table[128]={
+//  0  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
+    8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+    8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+    8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+    8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+};
 
-    end=-1;
-    for(i=0; i<64; i++){
-        int j;
-        j = st->permutated[i];
-        if(j>end) end=j;
-        st->raster_end[i]= end;
-    }
-}
 
 const uint8_t *ff_find_start_code(const uint8_t * restrict p, const uint8_t *end, uint32_t * restrict state){
     int i;
@@ -140,7 +125,7 @@ int ff_dct_common_init(MpegEncContext *s)
     MPV_common_init_mmx(s);
 #elif defined(ARCH_ALPHA)
     MPV_common_init_axp(s);
-#elif defined(HAVE_MLIB)
+#elif defined(CONFIG_MLIB)
     MPV_common_init_mlib(s);
 #elif defined(HAVE_MMI)
     MPV_common_init_mmi(s);
@@ -251,8 +236,8 @@ int alloc_picture(MpegEncContext *s, Picture *pic, int shared){
     /* It might be nicer if the application would keep track of these
      * but it would require an API change. */
     memmove(s->prev_pict_types+1, s->prev_pict_types, PREV_PICT_TYPES_BUFFER_SIZE-1);
-    s->prev_pict_types[0]= s->pict_type;
-    if(pic->age < PREV_PICT_TYPES_BUFFER_SIZE && s->prev_pict_types[pic->age] == B_TYPE)
+    s->prev_pict_types[0]= s->dropable ? FF_B_TYPE : s->pict_type;
+    if(pic->age < PREV_PICT_TYPES_BUFFER_SIZE && s->prev_pict_types[pic->age] == FF_B_TYPE)
         pic->age= INT_MAX; // Skipped MBs in B-frames are quite rare in MPEG-1/2 and it is a bit tricky to skip them anyway.
 
     return 0;
@@ -575,8 +560,8 @@ int MPV_common_init(MpegEncContext *s)
     s->parse_context.state= -1;
     if((s->avctx->debug&(FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) || (s->avctx->debug_mv)){
        s->visualization_buffer[0] = av_malloc((s->mb_width*16 + 2*EDGE_WIDTH) * s->mb_height*16 + 2*EDGE_WIDTH);
-       s->visualization_buffer[1] = av_malloc((s->mb_width*8 + EDGE_WIDTH) * s->mb_height*8 + EDGE_WIDTH);
-       s->visualization_buffer[2] = av_malloc((s->mb_width*8 + EDGE_WIDTH) * s->mb_height*8 + EDGE_WIDTH);
+       s->visualization_buffer[1] = av_malloc((s->mb_width*16 + 2*EDGE_WIDTH) * s->mb_height*16 + 2*EDGE_WIDTH);
+       s->visualization_buffer[2] = av_malloc((s->mb_width*16 + 2*EDGE_WIDTH) * s->mb_height*16 + 2*EDGE_WIDTH);
     }
 
     s->context_initialized = 1;
@@ -737,19 +722,10 @@ void init_rl(RLTable *rl, uint8_t static_store[2][2*MAX_RUN + MAX_LEVEL + 3])
     }
 }
 
-void init_vlc_rl(RLTable *rl, int use_static)
+void init_vlc_rl(RLTable *rl)
 {
     int i, q;
 
-    /* Return if static table is already initialized */
-    if(use_static && rl->rl_vlc[0])
-        return;
-
-    init_vlc(&rl->vlc, 9, rl->n + 1,
-             &rl->table_vlc[0][1], 4, 2,
-             &rl->table_vlc[0][0], 4, 2, use_static);
-
-
     for(q=0; q<32; q++){
         int qmul= q*2;
         int qadd= (q-1)|1;
@@ -758,10 +734,6 @@ void init_vlc_rl(RLTable *rl, int use_static)
             qmul=1;
             qadd=0;
         }
-        if(use_static)
-            rl->rl_vlc[q]= av_mallocz_static(rl->vlc.table_size*sizeof(RL_VLC_ELEM));
-        else
-            rl->rl_vlc[q]= av_malloc(rl->vlc.table_size*sizeof(RL_VLC_ELEM));
         for(i=0; i<rl->vlc.table_size; i++){
             int code= rl->vlc.table[i][0];
             int len = rl->vlc.table[i][1];
@@ -851,7 +823,7 @@ int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx)
     assert(s->last_picture_ptr==NULL || s->out_format != FMT_H264 || s->codec_id == CODEC_ID_SVQ3);
 
     /* mark&release old frames */
-    if (s->pict_type != B_TYPE && s->last_picture_ptr && s->last_picture_ptr != s->next_picture_ptr && s->last_picture_ptr->data[0]) {
+    if (s->pict_type != FF_B_TYPE && s->last_picture_ptr && s->last_picture_ptr != s->next_picture_ptr && s->last_picture_ptr->data[0]) {
       if(s->out_format != FMT_H264 || s->codec_id == CODEC_ID_SVQ3){
         avctx->release_buffer(avctx, (AVFrame*)s->last_picture_ptr);
 
@@ -877,7 +849,7 @@ alloc:
         }
 
         if(s->current_picture_ptr && s->current_picture_ptr->data[0]==NULL)
-            pic= (AVFrame*)s->current_picture_ptr; //we allready have a unused image (maybe it was set before reading the header)
+            pic= (AVFrame*)s->current_picture_ptr; //we already have a unused image (maybe it was set before reading the header)
         else{
             i= ff_find_unused_picture(s, 0);
             pic= (AVFrame*)&s->picture[i];
@@ -887,7 +859,7 @@ alloc:
         if (!s->dropable){
             if (s->codec_id == CODEC_ID_H264)
                 pic->reference = s->picture_structure;
-            else if (s->pict_type != B_TYPE)
+            else if (s->pict_type != FF_B_TYPE)
                 pic->reference = 3;
         }
 
@@ -904,11 +876,11 @@ alloc:
     s->current_picture_ptr->pict_type= s->pict_type;
 //    if(s->flags && CODEC_FLAG_QSCALE)
   //      s->current_picture_ptr->quality= s->new_picture_ptr->quality;
-    s->current_picture_ptr->key_frame= s->pict_type == I_TYPE;
+    s->current_picture_ptr->key_frame= s->pict_type == FF_I_TYPE;
 
     copy_picture(&s->current_picture, s->current_picture_ptr);
 
-    if (s->pict_type != B_TYPE) {
+    if (s->pict_type != FF_B_TYPE) {
         s->last_picture_ptr= s->next_picture_ptr;
         if(!s->dropable)
             s->next_picture_ptr= s->current_picture_ptr;
@@ -922,13 +894,13 @@ alloc:
     if(s->last_picture_ptr) copy_picture(&s->last_picture, s->last_picture_ptr);
     if(s->next_picture_ptr) copy_picture(&s->next_picture, s->next_picture_ptr);
 
-    if(s->pict_type != I_TYPE && (s->last_picture_ptr==NULL || s->last_picture_ptr->data[0]==NULL) && !s->dropable){
+    if(s->pict_type != FF_I_TYPE && (s->last_picture_ptr==NULL || s->last_picture_ptr->data[0]==NULL) && !s->dropable){
         av_log(avctx, AV_LOG_ERROR, "warning: first frame is no keyframe\n");
-        assert(s->pict_type != B_TYPE); //these should have been dropped if we don't have a reference
+        assert(s->pict_type != FF_B_TYPE); //these should have been dropped if we don't have a reference
         goto alloc;
     }
 
-    assert(s->pict_type == I_TYPE || (s->last_picture_ptr && s->last_picture_ptr->data[0]));
+    assert(s->pict_type == FF_I_TYPE || (s->last_picture_ptr && s->last_picture_ptr->data[0]));
 
     if(s->picture_structure!=PICT_FRAME && s->out_format != FMT_H264){
         int i;
@@ -943,7 +915,7 @@ alloc:
     }
 
     s->hurry_up= s->avctx->hurry_up;
-    s->error_resilience= avctx->error_resilience;
+    s->error_recognition= avctx->error_recognition;
 
     /* set dequantizer, we can't do it during init as it might change for mpeg4
        and we can't do it in the header decode as init is not called for mpeg4 there yet */
@@ -991,7 +963,7 @@ void MPV_frame_end(MpegEncContext *s)
 
     s->last_pict_type    = s->pict_type;
     s->last_lambda_for[s->pict_type]= s->current_picture_ptr->quality;
-    if(s->pict_type!=B_TYPE){
+    if(s->pict_type!=FF_B_TYPE){
         s->last_non_b_pict_type= s->pict_type;
     }
 #if 0
@@ -1192,7 +1164,7 @@ void ff_print_debug_info(MpegEncContext *s, AVFrame *pict){
         int mb_y;
         uint8_t *ptr;
         int i;
-        int h_chroma_shift, v_chroma_shift;
+        int h_chroma_shift, v_chroma_shift, block_height;
         const int width = s->avctx->width;
         const int height= s->avctx->height;
         const int mv_sample_log2= 4 - pict->motion_subsample_log2;
@@ -1206,6 +1178,7 @@ void ff_print_debug_info(MpegEncContext *s, AVFrame *pict){
         }
         pict->type= FF_BUFFER_TYPE_COPY;
         ptr= pict->data[0];
+        block_height = 16>>v_chroma_shift;
 
         for(mb_y=0; mb_y<s->mb_height; mb_y++){
             int mb_x;
@@ -1283,9 +1256,9 @@ void ff_print_debug_info(MpegEncContext *s, AVFrame *pict){
                 if((s->avctx->debug&FF_DEBUG_VIS_QP) && pict->motion_val){
                     uint64_t c= (pict->qscale_table[mb_index]*128/31) * 0x0101010101010101ULL;
                     int y;
-                    for(y=0; y<8; y++){
-                        *(uint64_t*)(pict->data[1] + 8*mb_x + (8*mb_y + y)*pict->linesize[1])= c;
-                        *(uint64_t*)(pict->data[2] + 8*mb_x + (8*mb_y + y)*pict->linesize[2])= c;
+                    for(y=0; y<block_height; y++){
+                        *(uint64_t*)(pict->data[1] + 8*mb_x + (block_height*mb_y + y)*pict->linesize[1])= c;
+                        *(uint64_t*)(pict->data[2] + 8*mb_x + (block_height*mb_y + y)*pict->linesize[2])= c;
                     }
                 }
                 if((s->avctx->debug&FF_DEBUG_VIS_MB_TYPE) && pict->motion_val){
@@ -1325,9 +1298,9 @@ v= (int)(128 + r*sin(theta*3.141592/180));
 
                     u*= 0x0101010101010101ULL;
                     v*= 0x0101010101010101ULL;
-                    for(y=0; y<8; y++){
-                        *(uint64_t*)(pict->data[1] + 8*mb_x + (8*mb_y + y)*pict->linesize[1])= u;
-                        *(uint64_t*)(pict->data[2] + 8*mb_x + (8*mb_y + y)*pict->linesize[2])= v;
+                    for(y=0; y<block_height; y++){
+                        *(uint64_t*)(pict->data[1] + 8*mb_x + (block_height*mb_y + y)*pict->linesize[1])= u;
+                        *(uint64_t*)(pict->data[2] + 8*mb_x + (block_height*mb_y + y)*pict->linesize[2])= v;
                     }
 
                     //segmentation
@@ -1365,77 +1338,6 @@ v= (int)(128 + r*sin(theta*3.141592/180));
     }
 }
 
-/**
- * Copies a rectangular area of samples to a temporary buffer and replicates the boarder samples.
- * @param buf destination buffer
- * @param src source buffer
- * @param linesize number of bytes between 2 vertically adjacent samples in both the source and destination buffers
- * @param block_w width of block
- * @param block_h height of block
- * @param src_x x coordinate of the top left sample of the block in the source buffer
- * @param src_y y coordinate of the top left sample of the block in the source buffer
- * @param w width of the source buffer
- * @param h height of the source buffer
- */
-void ff_emulated_edge_mc(uint8_t *buf, uint8_t *src, int linesize, int block_w, int block_h,
-                                    int src_x, int src_y, int w, int h){
-    int x, y;
-    int start_y, start_x, end_y, end_x;
-
-    if(src_y>= h){
-        src+= (h-1-src_y)*linesize;
-        src_y=h-1;
-    }else if(src_y<=-block_h){
-        src+= (1-block_h-src_y)*linesize;
-        src_y=1-block_h;
-    }
-    if(src_x>= w){
-        src+= (w-1-src_x);
-        src_x=w-1;
-    }else if(src_x<=-block_w){
-        src+= (1-block_w-src_x);
-        src_x=1-block_w;
-    }
-
-    start_y= FFMAX(0, -src_y);
-    start_x= FFMAX(0, -src_x);
-    end_y= FFMIN(block_h, h-src_y);
-    end_x= FFMIN(block_w, w-src_x);
-
-    // copy existing part
-    for(y=start_y; y<end_y; y++){
-        for(x=start_x; x<end_x; x++){
-            buf[x + y*linesize]= src[x + y*linesize];
-        }
-    }
-
-    //top
-    for(y=0; y<start_y; y++){
-        for(x=start_x; x<end_x; x++){
-            buf[x + y*linesize]= buf[x + start_y*linesize];
-        }
-    }
-
-    //bottom
-    for(y=end_y; y<block_h; y++){
-        for(x=start_x; x<end_x; x++){
-            buf[x + y*linesize]= buf[x + (end_y-1)*linesize];
-        }
-    }
-
-    for(y=0; y<block_h; y++){
-       //left
-        for(x=0; x<start_x; x++){
-            buf[x + y*linesize]= buf[start_x + y*linesize];
-        }
-
-       //right
-        for(x=end_x; x<block_w; x++){
-            buf[x + y*linesize]= buf[end_x - 1 + y*linesize];
-        }
-    }
-}
-
 static inline int hpel_motion_lowres(MpegEncContext *s,
                                   uint8_t *dest, uint8_t *src,
                                   int field_based, int field_select,
@@ -1495,7 +1397,7 @@ static av_always_inline void mpeg_motion_lowres(MpegEncContext *s,
     linesize   = s->current_picture.linesize[0] << field_based;
     uvlinesize = s->current_picture.linesize[1] << field_based;
 
-    if(s->quarter_sample){ //FIXME obviously not perfect but qpel wont work in lowres anyway
+    if(s->quarter_sample){ //FIXME obviously not perfect but qpel will not work in lowres anyway
         motion_x/=2;
         motion_y/=2;
     }
@@ -1688,7 +1590,7 @@ static inline void MPV_motion_lowres(MpegEncContext *s,
                         ref_picture, pix_op,
                         s->mv[dir][1][0], s->mv[dir][1][1], block_s);
         } else {
-            if(s->picture_structure != s->field_select[dir][0] + 1 && s->pict_type != B_TYPE && !s->first_field){
+            if(s->picture_structure != s->field_select[dir][0] + 1 && s->pict_type != FF_B_TYPE && !s->first_field){
                 ref_picture= s->current_picture_ptr->data;
             }
 
@@ -1702,7 +1604,7 @@ static inline void MPV_motion_lowres(MpegEncContext *s,
         for(i=0; i<2; i++){
             uint8_t ** ref2picture;
 
-            if(s->picture_structure == s->field_select[dir][i] + 1 || s->pict_type == B_TYPE || s->first_field){
+            if(s->picture_structure == s->field_select[dir][i] + 1 || s->pict_type == FF_B_TYPE || s->first_field){
                 ref2picture= ref_picture;
             }else{
                 ref2picture= s->current_picture_ptr->data;
@@ -1821,7 +1723,9 @@ void ff_clean_intra_table_entries(MpegEncContext *s)
    s->mv       : motion vector
    s->interlaced_dct : true if interlaced dct used (mpeg2)
  */
-static av_always_inline void MPV_decode_mb_internal(MpegEncContext *s, DCTELEM block[12][64], int lowres_flag)
+static av_always_inline
+void MPV_decode_mb_internal(MpegEncContext *s, DCTELEM block[12][64],
+                            int lowres_flag, int is_mpeg12)
 {
     int mb_x, mb_y;
     const int mb_xy = s->mb_y * s->mb_stride + s->mb_x;
@@ -1848,7 +1752,7 @@ static av_always_inline void MPV_decode_mb_internal(MpegEncContext *s, DCTELEM b
 
     /* update DC predictors for P macroblocks */
     if (!s->mb_intra) {
-        if (s->h263_pred || s->h263_aic) {
+        if (!is_mpeg12 && (s->h263_pred || s->h263_aic)) {
             if(s->mbintra_table[mb_xy])
                 ff_clean_intra_table_entries(s);
         } else {
@@ -1857,17 +1761,17 @@ static av_always_inline void MPV_decode_mb_internal(MpegEncContext *s, DCTELEM b
             s->last_dc[2] = 128 << s->intra_dc_precision;
         }
     }
-    else if (s->h263_pred || s->h263_aic)
+    else if (!is_mpeg12 && (s->h263_pred || s->h263_aic))
         s->mbintra_table[mb_xy]=1;
 
-    if ((s->flags&CODEC_FLAG_PSNR) || !(s->encoding && (s->intra_only || s->pict_type==B_TYPE) && s->avctx->mb_decision != FF_MB_DECISION_RD)) { //FIXME precalc
+    if ((s->flags&CODEC_FLAG_PSNR) || !(s->encoding && (s->intra_only || s->pict_type==FF_B_TYPE) && s->avctx->mb_decision != FF_MB_DECISION_RD)) { //FIXME precalc
         uint8_t *dest_y, *dest_cb, *dest_cr;
         int dct_linesize, dct_offset;
         op_pixels_func (*op_pix)[4];
         qpel_mc_func (*op_qpix)[16];
         const int linesize= s->current_picture.linesize[0]; //not s->linesize as this would be wrong for field pics
         const int uvlinesize= s->current_picture.linesize[1];
-        const int readable= s->pict_type != B_TYPE || s->encoding || s->avctx->draw_horiz_band || lowres_flag;
+        const int readable= s->pict_type != FF_B_TYPE || s->encoding || s->avctx->draw_horiz_band || lowres_flag;
         const int block_size= lowres_flag ? 8>>s->avctx->lowres : 8;
 
         /* avoid copy if macroblock skipped in last frame too */
@@ -1880,7 +1784,7 @@ static av_always_inline void MPV_decode_mb_internal(MpegEncContext *s, DCTELEM b
 
             if (s->mb_skipped) {
                 s->mb_skipped= 0;
-                assert(s->pict_type!=I_TYPE);
+                assert(s->pict_type!=FF_I_TYPE);
 
                 (*mbskip_ptr) ++; /* indicate that this time we skipped it */
                 if(*mbskip_ptr >99) *mbskip_ptr= 99;
@@ -1926,7 +1830,7 @@ static av_always_inline void MPV_decode_mb_internal(MpegEncContext *s, DCTELEM b
                     }
                 }else{
                     op_qpix= s->me.qpel_put;
-                    if ((!s->no_rounding) || s->pict_type==B_TYPE){
+                    if ((!s->no_rounding) || s->pict_type==FF_B_TYPE){
                         op_pix = s->dsp.put_pixels_tab;
                     }else{
                         op_pix = s->dsp.put_no_rnd_pixels_tab;
@@ -1945,8 +1849,8 @@ static av_always_inline void MPV_decode_mb_internal(MpegEncContext *s, DCTELEM b
             /* skip dequant / idct if we are really late ;) */
             if(s->hurry_up>1) goto skip_idct;
             if(s->avctx->skip_idct){
-                if(  (s->avctx->skip_idct >= AVDISCARD_NONREF && s->pict_type == B_TYPE)
-                   ||(s->avctx->skip_idct >= AVDISCARD_NONKEY && s->pict_type != I_TYPE)
+                if(  (s->avctx->skip_idct >= AVDISCARD_NONREF && s->pict_type == FF_B_TYPE)
+                   ||(s->avctx->skip_idct >= AVDISCARD_NONKEY && s->pict_type != FF_I_TYPE)
                    || s->avctx->skip_idct >= AVDISCARD_ALL)
                     goto skip_idct;
             }
@@ -1972,7 +1876,7 @@ static av_always_inline void MPV_decode_mb_internal(MpegEncContext *s, DCTELEM b
                         add_dequant_dct(s, block[7], 7, dest_cr + dct_offset, dct_linesize, s->chroma_qscale);
                     }
                 }
-            } else if(s->codec_id != CODEC_ID_WMV2){
+            } else if(is_mpeg12 || (s->codec_id != CODEC_ID_WMV2)){
                 add_dct(s, block[0], 0, dest_y                          , dct_linesize);
                 add_dct(s, block[1], 1, dest_y              + block_size, dct_linesize);
                 add_dct(s, block[2], 2, dest_y + dct_offset             , dct_linesize);
@@ -2063,8 +1967,14 @@ skip_idct:
 }
 
 void MPV_decode_mb(MpegEncContext *s, DCTELEM block[12][64]){
-    if(s->avctx->lowres) MPV_decode_mb_internal(s, block, 1);
-    else                  MPV_decode_mb_internal(s, block, 0);
+#ifndef CONFIG_SMALL
+    if(s->out_format == FMT_MPEG1) {
+        if(s->avctx->lowres) MPV_decode_mb_internal(s, block, 1, 1);
+        else                 MPV_decode_mb_internal(s, block, 0, 1);
+    } else
+#endif
+    if(s->avctx->lowres) MPV_decode_mb_internal(s, block, 1, 0);
+    else                  MPV_decode_mb_internal(s, block, 0, 0);
 }
 
 /**
@@ -2084,14 +1994,14 @@ void ff_draw_horiz_band(MpegEncContext *s, int y, int h){
 
         h= FFMIN(h, s->avctx->height - y);
 
-        if(s->pict_type==B_TYPE || s->low_delay || (s->avctx->slice_flags&SLICE_FLAG_CODED_ORDER))
+        if(s->pict_type==FF_B_TYPE || s->low_delay || (s->avctx->slice_flags&SLICE_FLAG_CODED_ORDER))
             src= (AVFrame*)s->current_picture_ptr;
         else if(s->last_picture_ptr)
             src= (AVFrame*)s->last_picture_ptr;
         else
             return;
 
-        if(s->pict_type==B_TYPE && s->picture_structure == PICT_FRAME && s->out_format != FMT_H264){
+        if(s->pict_type==FF_B_TYPE && s->picture_structure == PICT_FRAME && s->out_format != FMT_H264){
             offset[0]=
             offset[1]=
             offset[2]=
@@ -2127,7 +2037,7 @@ void ff_init_block_index(MpegEncContext *s){ //FIXME maybe rename
     s->dest[1] = s->current_picture.data[1] + ((s->mb_x - 1) << (mb_size - s->chroma_x_shift));
     s->dest[2] = s->current_picture.data[2] + ((s->mb_x - 1) << (mb_size - s->chroma_x_shift));
 
-    if(!(s->pict_type==B_TYPE && s->avctx->draw_horiz_band && s->picture_structure==PICT_FRAME))
+    if(!(s->pict_type==FF_B_TYPE && s->avctx->draw_horiz_band && s->picture_structure==PICT_FRAME))
     {
         s->dest[0] += s->mb_y *   linesize << mb_size;
         s->dest[1] += s->mb_y * uvlinesize << (mb_size - s->chroma_y_shift);