Use DECLARE_ALIGNED in yet another place

[ffmpeg] / libavcodec / roqvideodec.c

diff --git a/libavcodec/roqvideodec.c b/libavcodec/roqvideodec.c
index f0601ef52b9a04024ee9b5cdbfb85a27eede9def..2d811c5b25ccd29b89985c779a66dec9e9173d3f 100644 (file)
--- a/libavcodec/roqvideodec.c
+++ b/libavcodec/roqvideodec.c
@@ -16,7 +16,6 @@
  * You should have received a copy of the GNU Lesser General Public
  * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
  */
 
 /**
@@ -36,9 +35,6 @@
 #include "dsputil.h"
 #include "roqvideo.h"
 
-#define avg2(a,b) av_clip_uint8(((int)(a)+(int)(b)+1)>>1)
-#define avg4(a,b,c,d) av_clip_uint8(((int)(a)+(int)(b)+(int)(c)+(int)(d)+2)>>2)
-
 static void roqvideo_decode_frame(RoqContext *ri)
 {
     unsigned int chunk_id = 0, chunk_arg = 0;
@@ -63,16 +59,16 @@ static void roqvideo_decode_frame(RoqContext *ri)
             if((nv2 = chunk_arg & 0xff) == 0 && nv1 * 6 < chunk_size)
                 nv2 = 256;
             for(i = 0; i < nv1; i++) {
-                ri->cells[i].y[0] = *buf++;
-                ri->cells[i].y[1] = *buf++;
-                ri->cells[i].y[2] = *buf++;
-                ri->cells[i].y[3] = *buf++;
-                ri->cells[i].u = *buf++;
-                ri->cells[i].v = *buf++;
+                ri->cb2x2[i].y[0] = *buf++;
+                ri->cb2x2[i].y[1] = *buf++;
+                ri->cb2x2[i].y[2] = *buf++;
+                ri->cb2x2[i].y[3] = *buf++;
+                ri->cb2x2[i].u = *buf++;
+                ri->cb2x2[i].v = *buf++;
             }
             for(i = 0; i < nv2; i++)
                 for(j = 0; j < 4; j++)
-                    ri->qcells[i].idx[j] = *buf++;
+                    ri->cb4x4[i].idx[j] = *buf++;
         }
     }
 
@@ -97,11 +93,11 @@ static void roqvideo_decode_frame(RoqContext *ri)
                     ff_apply_motion_8x8(ri, xp, yp, mx, my);
                     break;
                 case RoQ_ID_SLD:
-                    qcell = ri->qcells + buf[bpos++];
-                    ff_apply_vector_4x4(ri, xp, yp, ri->cells + qcell->idx[0]);
-                    ff_apply_vector_4x4(ri, xp+4, yp, ri->cells + qcell->idx[1]);
-                    ff_apply_vector_4x4(ri, xp, yp+4, ri->cells + qcell->idx[2]);
-                    ff_apply_vector_4x4(ri, xp+4, yp+4, ri->cells + qcell->idx[3]);
+                    qcell = ri->cb4x4 + buf[bpos++];
+                    ff_apply_vector_4x4(ri, xp, yp, ri->cb2x2 + qcell->idx[0]);
+                    ff_apply_vector_4x4(ri, xp+4, yp, ri->cb2x2 + qcell->idx[1]);
+                    ff_apply_vector_4x4(ri, xp, yp+4, ri->cb2x2 + qcell->idx[2]);
+                    ff_apply_vector_4x4(ri, xp+4, yp+4, ri->cb2x2 + qcell->idx[3]);
                     break;
                 case RoQ_ID_CCC:
                     for (k = 0; k < 4; k++) {
@@ -126,17 +122,17 @@ static void roqvideo_decode_frame(RoqContext *ri)
                             ff_apply_motion_4x4(ri, x, y, mx, my);
                             break;
                         case RoQ_ID_SLD:
-                            qcell = ri->qcells + buf[bpos++];
-                            ff_apply_vector_2x2(ri, x, y, ri->cells + qcell->idx[0]);
-                            ff_apply_vector_2x2(ri, x+2, y, ri->cells + qcell->idx[1]);
-                            ff_apply_vector_2x2(ri, x, y+2, ri->cells + qcell->idx[2]);
-                            ff_apply_vector_2x2(ri, x+2, y+2, ri->cells + qcell->idx[3]);
+                            qcell = ri->cb4x4 + buf[bpos++];
+                            ff_apply_vector_2x2(ri, x, y, ri->cb2x2 + qcell->idx[0]);
+                            ff_apply_vector_2x2(ri, x+2, y, ri->cb2x2 + qcell->idx[1]);
+                            ff_apply_vector_2x2(ri, x, y+2, ri->cb2x2 + qcell->idx[2]);
+                            ff_apply_vector_2x2(ri, x+2, y+2, ri->cb2x2 + qcell->idx[3]);
                             break;
                         case RoQ_ID_CCC:
-                            ff_apply_vector_2x2(ri, x, y, ri->cells + buf[bpos]);
-                            ff_apply_vector_2x2(ri, x+2, y, ri->cells + buf[bpos+1]);
-                            ff_apply_vector_2x2(ri, x, y+2, ri->cells + buf[bpos+2]);
-                            ff_apply_vector_2x2(ri, x+2, y+2, ri->cells + buf[bpos+3]);
+                            ff_apply_vector_2x2(ri, x, y, ri->cb2x2 + buf[bpos]);
+                            ff_apply_vector_2x2(ri, x+2, y, ri->cb2x2 + buf[bpos+1]);
+                            ff_apply_vector_2x2(ri, x, y+2, ri->cb2x2 + buf[bpos+2]);
+                            ff_apply_vector_2x2(ri, x+2, y+2, ri->cb2x2 + buf[bpos+3]);
                             bpos += 4;
                             break;
                         }
@@ -148,11 +144,11 @@ static void roqvideo_decode_frame(RoqContext *ri)
         }
 
         xpos += 16;
-        if (xpos >= ri->avctx->width) {
-            xpos -= ri->avctx->width;
+        if (xpos >= ri->width) {
+            xpos -= ri->width;
             ypos += 16;
         }
-        if(ypos >= ri->avctx->height)
+        if(ypos >= ri->height)
             break;
     }
 }
@@ -163,9 +159,11 @@ static int roq_decode_init(AVCodecContext *avctx)
     RoqContext *s = avctx->priv_data;
 
     s->avctx = avctx;
+    s->width = avctx->width;
+    s->height = avctx->height;
     s->last_frame    = &s->frames[0];
     s->current_frame = &s->frames[1];
-    avctx->pix_fmt = PIX_FMT_YUV420P;
+    avctx->pix_fmt = PIX_FMT_YUV444P;
     dsputil_init(&s->dsp, avctx);
 
     return 0;
@@ -176,13 +174,16 @@ static int roq_decode_frame(AVCodecContext *avctx,
                             uint8_t *buf, int buf_size)
 {
     RoqContext *s = avctx->priv_data;
+    int copy= !s->current_frame->data[0];
 
     if (avctx->reget_buffer(avctx, s->current_frame)) {
         av_log(avctx, AV_LOG_ERROR, "  RoQ: get_buffer() failed\n");
         return -1;
     }
-    s->y_stride = s->current_frame->linesize[0];
-    s->c_stride = s->current_frame->linesize[1];
+
+    if(copy)
+        av_picture_copy((AVPicture*)s->current_frame, (AVPicture*)s->last_frame,
+                        avctx->pix_fmt, avctx->width, avctx->height);
 
     s->buf = buf;
     s->size = buf_size;