mpegvideo: split ff_draw_horiz_band().

Split out dependency on MpegEncContext.

12 files changed, 84 insertions, 62 deletions

diff --git a/libavcodec/dxva2.c b/libavcodec/dxva2.c
index 71c8405feb..63addb7f49 100644
--- a/libavcodec/dxva2.c
+++ b/libavcodec/dxva2.c
@@ -147,6 +147,6 @@ end:
     }
 
     if (!result)
-        ff_draw_horiz_band(s, 0, s->avctx->height);
+        ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
     return result;
 }
diff --git a/libavcodec/h263dec.c b/libavcodec/h263dec.c
index b1a32b2f37..e24603bc10 100644
--- a/libavcodec/h263dec.c
+++ b/libavcodec/h263dec.c
@@ -235,7 +235,7 @@ static int decode_slice(MpegEncContext *s){
 
                     if(++s->mb_x >= s->mb_width){
                         s->mb_x=0;
-                        ff_draw_horiz_band(s, s->mb_y*mb_size, mb_size);
+                        ff_mpeg_draw_horiz_band(s, s->mb_y*mb_size, mb_size);
                         ff_MPV_report_decode_progress(s);
                         s->mb_y++;
                     }
@@ -256,7 +256,7 @@ static int decode_slice(MpegEncContext *s){
                 ff_h263_loop_filter(s);
         }
 
-        ff_draw_horiz_band(s, s->mb_y*mb_size, mb_size);
+        ff_mpeg_draw_horiz_band(s, s->mb_y*mb_size, mb_size);
         ff_MPV_report_decode_progress(s);
 
         s->mb_x= 0;
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 4410f59cb0..b5efde026b 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -3662,7 +3662,7 @@ static void decode_finish_row(H264Context *h)
         top    = 0;
     }
 
-    ff_draw_horiz_band(s, top, height);
+    ff_mpeg_draw_horiz_band(s, top, height);
 
     if (s->droppable)
         return;
diff --git a/libavcodec/intrax8.c b/libavcodec/intrax8.c
index d2457f8ba4..a57e1f9bb7 100644
--- a/libavcodec/intrax8.c
+++ b/libavcodec/intrax8.c
@@ -779,7 +779,7 @@ int ff_intrax8_decode_picture(IntraX8Context * const w, int dquant, int quant_of
             s->dest[0]+= 8;
         }
         if(s->mb_y&1){
-            ff_draw_horiz_band(s, (s->mb_y-1)*8, 16);
+            ff_mpeg_draw_horiz_band(s, (s->mb_y-1)*8, 16);
         }
     }
 
diff --git a/libavcodec/mpeg12.c b/libavcodec/mpeg12.c
index 5a53383450..4df51a22a9 100644
--- a/libavcodec/mpeg12.c
+++ b/libavcodec/mpeg12.c
@@ -1762,7 +1762,7 @@ static int mpeg_decode_slice(MpegEncContext *s, int mb_y,
         if (++s->mb_x >= s->mb_width) {
             const int mb_size = 16;
 
-            ff_draw_horiz_band(s, mb_size*(s->mb_y >> field_pic), mb_size);
+            ff_mpeg_draw_horiz_band(s, mb_size*(s->mb_y >> field_pic), mb_size);
             ff_MPV_report_decode_progress(s);
 
             s->mb_x = 0;
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 4396ec2df9..08d4cbbf8f 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -2459,73 +2459,91 @@ void ff_MPV_decode_mb(MpegEncContext *s, int16_t block[12][64]){
 /**
  * @param h is the normal height, this will be reduced automatically if needed for the last row
  */
-void ff_draw_horiz_band(MpegEncContext *s, int y, int h){
-    const int field_pic= s->picture_structure != PICT_FRAME;
+void ff_draw_horiz_band(AVCodecContext *avctx, DSPContext *dsp, Picture *cur,
+                        Picture *last, int y, int h, int picture_structure,
+                        int first_field, int draw_edges, int low_delay,
+                        int v_edge_pos, int h_edge_pos)
+{
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
+    int hshift = desc->log2_chroma_w;
+    int vshift = desc->log2_chroma_h;
+    const int field_pic = picture_structure != PICT_FRAME;
     if(field_pic){
         h <<= 1;
         y <<= 1;
     }
 
-    if (!s->avctx->hwaccel
-       && !(s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)
-       && s->unrestricted_mv
-       && s->current_picture.f.reference
-       && !s->intra_only
-       && !(s->flags&CODEC_FLAG_EMU_EDGE)) {
-        const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->avctx->pix_fmt);
+    if (!avctx->hwaccel &&
+        !(avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) &&
+        draw_edges &&
+        cur->f.reference &&
+        !(avctx->flags & CODEC_FLAG_EMU_EDGE)) {
+        int *linesize = cur->f.linesize;
         int sides = 0, edge_h;
-        int hshift = desc->log2_chroma_w;
-        int vshift = desc->log2_chroma_h;
         if (y==0) sides |= EDGE_TOP;
-        if (y + h >= s->v_edge_pos) sides |= EDGE_BOTTOM;
+        if (y + h >= v_edge_pos)
+            sides |= EDGE_BOTTOM;
 
-        edge_h= FFMIN(h, s->v_edge_pos - y);
+        edge_h= FFMIN(h, v_edge_pos - y);
 
-        s->dsp.draw_edges(s->current_picture_ptr->f.data[0] +  y         *s->linesize,
-                          s->linesize,           s->h_edge_pos,         edge_h,
-                          EDGE_WIDTH,            EDGE_WIDTH,            sides);
-        s->dsp.draw_edges(s->current_picture_ptr->f.data[1] + (y>>vshift)*s->uvlinesize,
-                          s->uvlinesize,         s->h_edge_pos>>hshift, edge_h>>vshift,
-                          EDGE_WIDTH>>hshift,    EDGE_WIDTH>>vshift,    sides);
-        s->dsp.draw_edges(s->current_picture_ptr->f.data[2] + (y>>vshift)*s->uvlinesize,
-                          s->uvlinesize,         s->h_edge_pos>>hshift, edge_h>>vshift,
-                          EDGE_WIDTH>>hshift,    EDGE_WIDTH>>vshift,    sides);
+        dsp->draw_edges(cur->f.data[0] + y * linesize[0],
+                        linesize[0], h_edge_pos, edge_h,
+                        EDGE_WIDTH, EDGE_WIDTH, sides);
+        dsp->draw_edges(cur->f.data[1] + (y >> vshift) * linesize[1],
+                        linesize[1], h_edge_pos >> hshift, edge_h >> vshift,
+                        EDGE_WIDTH >> hshift, EDGE_WIDTH >> vshift, sides);
+        dsp->draw_edges(cur->f.data[2] + (y >> vshift) * linesize[2],
+                        linesize[2], h_edge_pos >> hshift, edge_h >> vshift,
+                        EDGE_WIDTH >> hshift, EDGE_WIDTH >> vshift, sides);
     }
 
-    h= FFMIN(h, s->avctx->height - y);
+    h = FFMIN(h, avctx->height - y);
 
-    if(field_pic && s->first_field && !(s->avctx->slice_flags&SLICE_FLAG_ALLOW_FIELD)) return;
+    if(field_pic && first_field && !(avctx->slice_flags&SLICE_FLAG_ALLOW_FIELD)) return;
 
-    if (s->avctx->draw_horiz_band) {
+    if (avctx->draw_horiz_band) {
         AVFrame *src;
         int offset[AV_NUM_DATA_POINTERS];
         int i;
 
-        if(s->pict_type==AV_PICTURE_TYPE_B || s->low_delay || (s->avctx->slice_flags&SLICE_FLAG_CODED_ORDER))
-            src = &s->current_picture_ptr->f;
-        else if(s->last_picture_ptr)
-            src = &s->last_picture_ptr->f;
+        if(cur->f.pict_type == AV_PICTURE_TYPE_B || low_delay ||
+           (avctx->slice_flags & SLICE_FLAG_CODED_ORDER))
+            src = &cur->f;
+        else if (last)
+            src = &last->f;
         else
             return;
 
-        if(s->pict_type==AV_PICTURE_TYPE_B && s->picture_structure == PICT_FRAME && s->out_format != FMT_H264){
+        if (cur->f.pict_type == AV_PICTURE_TYPE_B &&
+            picture_structure == PICT_FRAME    &&
+            avctx->codec_id != AV_CODEC_ID_H264  &&
+            avctx->codec_id != AV_CODEC_ID_SVQ3) {
             for (i = 0; i < AV_NUM_DATA_POINTERS; i++)
                 offset[i] = 0;
         }else{
-            offset[0]= y * s->linesize;
+            offset[0]= y * src->linesize[0];
             offset[1]=
-            offset[2]= (y >> s->chroma_y_shift) * s->uvlinesize;
+            offset[2]= (y >> vshift) * src->linesize[1];
             for (i = 3; i < AV_NUM_DATA_POINTERS; i++)
                 offset[i] = 0;
         }
 
         emms_c();
 
-        s->avctx->draw_horiz_band(s->avctx, src, offset,
-                                  y, s->picture_structure, h);
+        avctx->draw_horiz_band(avctx, src, offset,
+                               y, picture_structure, h);
     }
 }
 
+void ff_mpeg_draw_horiz_band(MpegEncContext *s, int y, int h)
+{
+    int draw_edges = s->unrestricted_mv && !s->intra_only;
+    ff_draw_horiz_band(s->avctx, &s->dsp, &s->current_picture,
+                       &s->last_picture, y, h, s->picture_structure,
+                       s->first_field, draw_edges, s->low_delay,
+                       s->v_edge_pos, s->h_edge_pos);
+}
+
 void ff_init_block_index(MpegEncContext *s){ //FIXME maybe rename
     const int linesize   = s->current_picture.f.linesize[0]; //not s->linesize as this would be wrong for field pics
     const int uvlinesize = s->current_picture.f.linesize[1];
diff --git a/libavcodec/mpegvideo.h b/libavcodec/mpegvideo.h
index 87e9d1b246..d5074d2fb6 100644
--- a/libavcodec/mpegvideo.h
+++ b/libavcodec/mpegvideo.h
@@ -760,7 +760,11 @@ void ff_MPV_common_init_arm(MpegEncContext *s);
 void ff_MPV_common_init_altivec(MpegEncContext *s);
 void ff_MPV_common_init_bfin(MpegEncContext *s);
 void ff_clean_intra_table_entries(MpegEncContext *s);
-void ff_draw_horiz_band(MpegEncContext *s, int y, int h);
+void ff_draw_horiz_band(AVCodecContext *avctx, DSPContext *dsp, Picture *cur,
+                        Picture *last, int y, int h, int picture_structure,
+                        int first_field, int draw_edges, int low_delay,
+                        int v_edge_pos, int h_edge_pos);
+void ff_mpeg_draw_horiz_band(MpegEncContext *s, int y, int h);
 void ff_mpeg_flush(AVCodecContext *avctx);
 void ff_print_debug_info(MpegEncContext *s, AVFrame *pict);
 void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix);
diff --git a/libavcodec/mpegvideo_xvmc.c b/libavcodec/mpegvideo_xvmc.c
index 7101a3ea60..9a2b140dfc 100644
--- a/libavcodec/mpegvideo_xvmc.c
+++ b/libavcodec/mpegvideo_xvmc.c
@@ -145,7 +145,7 @@ void ff_xvmc_field_end(MpegEncContext *s)
     assert(render);
 
     if (render->filled_mv_blocks_num > 0)
-        ff_draw_horiz_band(s, 0, 0);
+        ff_mpeg_draw_horiz_band(s, 0, 0);
 }
 
 /**
@@ -328,5 +328,5 @@ void ff_xvmc_decode_mb(MpegEncContext *s)
 
 
     if (render->filled_mv_blocks_num == render->allocated_mv_blocks)
-        ff_draw_horiz_band(s, 0, 0);
+        ff_mpeg_draw_horiz_band(s, 0, 0);
 }
diff --git a/libavcodec/svq3.c b/libavcodec/svq3.c
index 9e6cb28bee..ee54a173d8 100644
--- a/libavcodec/svq3.c
+++ b/libavcodec/svq3.c
@@ -1126,7 +1126,7 @@ static int svq3_decode_frame(AVCodecContext *avctx, void *data,
                     (s->pict_type == AV_PICTURE_TYPE_P && mb_type < 8) ? (mb_type - 1) : -1;
         }
 
-        ff_draw_horiz_band(s, 16 * s->mb_y, 16);
+        ff_mpeg_draw_horiz_band(s, 16 * s->mb_y, 16);
     }
 
     ff_MPV_frame_end(s);
diff --git a/libavcodec/vaapi.c b/libavcodec/vaapi.c
index d6b0298ee0..b74604eda3 100644
--- a/libavcodec/vaapi.c
+++ b/libavcodec/vaapi.c
@@ -187,7 +187,7 @@ int ff_vaapi_common_end_frame(MpegEncContext *s)
     if (vactx->n_slice_buf_ids > 0) {
         if (render_picture(vactx, ff_vaapi_get_surface_id(s->current_picture_ptr)) < 0)
             goto done;
-        ff_draw_horiz_band(s, 0, s->avctx->height);
+        ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
     }
     ret = 0;
 
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index 73c221e29c..4b37db6215 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -4441,14 +4441,14 @@ static void vc1_decode_i_blocks(VC1Context *v)
             }
         }
         if (!v->s.loop_filter)
-            ff_draw_horiz_band(s, s->mb_y * 16, 16);
+            ff_mpeg_draw_horiz_band(s, s->mb_y * 16, 16);
         else if (s->mb_y)
-            ff_draw_horiz_band(s, (s->mb_y - 1) * 16, 16);
+            ff_mpeg_draw_horiz_band(s, (s->mb_y - 1) * 16, 16);
 
         s->first_slice_line = 0;
     }
     if (v->s.loop_filter)
-        ff_draw_horiz_band(s, (s->end_mb_y - 1) * 16, 16);
+        ff_mpeg_draw_horiz_band(s, (s->end_mb_y - 1) * 16, 16);
 
     /* This is intentionally mb_height and not end_mb_y - unlike in advanced
      * profile, these only differ are when decoding MSS2 rectangles. */
@@ -4569,9 +4569,9 @@ static void vc1_decode_i_blocks_adv(VC1Context *v)
             }
         }
         if (!v->s.loop_filter)
-            ff_draw_horiz_band(s, s->mb_y * 16, 16);
+            ff_mpeg_draw_horiz_band(s, s->mb_y * 16, 16);
         else if (s->mb_y)
-            ff_draw_horiz_band(s, (s->mb_y-1) * 16, 16);
+            ff_mpeg_draw_horiz_band(s, (s->mb_y-1) * 16, 16);
         s->first_slice_line = 0;
     }
 
@@ -4585,7 +4585,7 @@ static void vc1_decode_i_blocks_adv(VC1Context *v)
             vc1_loop_filter_iblk_delayed(v, v->pq);
     }
     if (v->s.loop_filter)
-        ff_draw_horiz_band(s, (s->end_mb_y-1)*16, 16);
+        ff_mpeg_draw_horiz_band(s, (s->end_mb_y-1)*16, 16);
     ff_er_add_slice(&s->er, 0, s->start_mb_y << v->field_mode, s->mb_width - 1,
                     (s->end_mb_y << v->field_mode) - 1, ER_MB_END);
 }
@@ -4648,7 +4648,7 @@ static void vc1_decode_p_blocks(VC1Context *v)
         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 != s->start_mb_y) ff_draw_horiz_band(s, (s->mb_y - 1) * 16, 16);
+        if (s->mb_y != s->start_mb_y) ff_mpeg_draw_horiz_band(s, (s->mb_y - 1) * 16, 16);
         s->first_slice_line = 0;
     }
     if (apply_loop_filter) {
@@ -4660,7 +4660,7 @@ static void vc1_decode_p_blocks(VC1Context *v)
         }
     }
     if (s->end_mb_y >= s->start_mb_y)
-        ff_draw_horiz_band(s, (s->end_mb_y - 1) * 16, 16);
+        ff_mpeg_draw_horiz_band(s, (s->end_mb_y - 1) * 16, 16);
     ff_er_add_slice(&s->er, 0, s->start_mb_y << v->field_mode, s->mb_width - 1,
                     (s->end_mb_y << v->field_mode) - 1, ER_MB_END);
 }
@@ -4715,13 +4715,13 @@ static void vc1_decode_b_blocks(VC1Context *v)
             if (v->s.loop_filter) vc1_loop_filter_iblk(v, v->pq);
         }
         if (!v->s.loop_filter)
-            ff_draw_horiz_band(s, s->mb_y * 16, 16);
+            ff_mpeg_draw_horiz_band(s, s->mb_y * 16, 16);
         else if (s->mb_y)
-            ff_draw_horiz_band(s, (s->mb_y - 1) * 16, 16);
+            ff_mpeg_draw_horiz_band(s, (s->mb_y - 1) * 16, 16);
         s->first_slice_line = 0;
     }
     if (v->s.loop_filter)
-        ff_draw_horiz_band(s, (s->end_mb_y - 1) * 16, 16);
+        ff_mpeg_draw_horiz_band(s, (s->end_mb_y - 1) * 16, 16);
     ff_er_add_slice(&s->er, 0, s->start_mb_y << v->field_mode, s->mb_width - 1,
                     (s->end_mb_y << v->field_mode) - 1, ER_MB_END);
 }
@@ -4739,7 +4739,7 @@ static void vc1_decode_skip_blocks(VC1Context *v)
         memcpy(s->dest[0], s->last_picture.f.data[0] + s->mb_y * 16 * s->linesize,   s->linesize   * 16);
         memcpy(s->dest[1], s->last_picture.f.data[1] + s->mb_y *  8 * s->uvlinesize, s->uvlinesize *  8);
         memcpy(s->dest[2], s->last_picture.f.data[2] + s->mb_y *  8 * s->uvlinesize, s->uvlinesize *  8);
-        ff_draw_horiz_band(s, s->mb_y * 16, 16);
+        ff_mpeg_draw_horiz_band(s, s->mb_y * 16, 16);
         s->first_slice_line = 0;
     }
     s->pict_type = AV_PICTURE_TYPE_P;
diff --git a/libavcodec/vdpau.c b/libavcodec/vdpau.c
index 851c7cb9f3..3b773868e9 100644
--- a/libavcodec/vdpau.c
+++ b/libavcodec/vdpau.c
@@ -59,7 +59,7 @@ int ff_vdpau_common_end_frame(AVCodecContext *avctx)
         hwctx->render(hwctx->decoder, surf, (void *)&hwctx->info,
                       hwctx->bitstream_buffers_used, hwctx->bitstream_buffers);
 
-        ff_draw_horiz_band(s, 0, s->avctx->height);
+        ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
         hwctx->bitstream_buffers_used = 0;
     }
     return 0;
@@ -235,7 +235,7 @@ void ff_vdpau_h264_picture_complete(MpegEncContext *s)
     memcpy(render->info.h264.scaling_lists_8x8[0], h->pps.scaling_matrix8[0], sizeof(render->info.h264.scaling_lists_8x8[0]));
     memcpy(render->info.h264.scaling_lists_8x8[1], h->pps.scaling_matrix8[3], sizeof(render->info.h264.scaling_lists_8x8[0]));
 
-    ff_draw_horiz_band(s, 0, s->avctx->height);
+    ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
     render->bitstream_buffers_used = 0;
 }
 
@@ -292,7 +292,7 @@ void ff_vdpau_mpeg_picture_complete(MpegEncContext *s, const uint8_t *buf,
     render->info.mpeg.slice_count                = slice_count;
 
     if (slice_count)
-        ff_draw_horiz_band(s, 0, s->avctx->height);
+        ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
     render->bitstream_buffers_used               = 0;
 }
 
@@ -361,7 +361,7 @@ void ff_vdpau_vc1_decode_picture(MpegEncContext *s, const uint8_t *buf,
 
     render->info.vc1.slice_count          = 1;
 
-    ff_draw_horiz_band(s, 0, s->avctx->height);
+    ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
     render->bitstream_buffers_used        = 0;
 }
 
@@ -415,7 +415,7 @@ void ff_vdpau_mpeg4_decode_picture(MpegEncContext *s, const uint8_t *buf,
 
     ff_vdpau_add_data_chunk(s, buf, buf_size);
 
-    ff_draw_horiz_band(s, 0, s->avctx->height);
+    ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
     render->bitstream_buffers_used = 0;
 }