gst/ffmpegcolorspace/: More stride fixes.

Original commit message from CVS:
* gst/ffmpegcolorspace/gstffmpegcodecmap.c:
(gst_ffmpegcsp_avpicture_fill):
* gst/ffmpegcolorspace/imgconvert.c: (avpicture_get_size),
(yuv422p_to_yuv422), (yuv420p_to_yuv422), (shrink12),
(img_convert), (deinterlace_line), (deinterlace_line_inplace):
More stride fixes.

ChangeLog

@@ -1,3 +1,12 @@
+2004-11-05  Wim Taymans  <wim@fluendo.com>
+
+	* gst/ffmpegcolorspace/gstffmpegcodecmap.c:
+	(gst_ffmpegcsp_avpicture_fill):
+	* gst/ffmpegcolorspace/imgconvert.c: (avpicture_get_size),
+	(yuv422p_to_yuv422), (yuv420p_to_yuv422), (shrink12),
+	(img_convert), (deinterlace_line), (deinterlace_line_inplace):
+	More stride fixes.
+
 2004-11-05  Wim Taymans  <wim@fluendo.com>
 
 	* gst/alpha/gstalpha.c: (gst_alpha_set_property), (gst_alpha_add),

gst/ffmpegcolorspace/gstffmpegcodecmap.c

@@ -671,7 +671,12 @@ static PixFmtInfo pix_fmt_info[PIX_FMT_NB] = {
       },
 };
 
-#define ROUND_UP_4(x) (((x) + 3) & ~3)
+#define GEN_MASK(x) ((1<<(x))-1)
+#define ROUND_UP_X(v,x) (((v) + GEN_MASK(x)) & ~GEN_MASK(x))
+#define ROUND_UP_2(x) ROUND_UP_X (x, 1)
+#define ROUND_UP_4(x) ROUND_UP_X (x, 2)
+#define ROUND_UP_8(x) ROUND_UP_X (x, 3)
+#define DIV_ROUND_UP_X(v,x) (((v) + GEN_MASK(x)) >> (x))
 
 int
 gst_ffmpegcsp_avpicture_fill (AVPicture * picture,
@@ -682,8 +687,7 @@ gst_ffmpegcsp_avpicture_fill (AVPicture * picture,
   PixFmtInfo *pinfo;
 
   pinfo = &pix_fmt_info[pix_fmt];
-  stride = ROUND_UP_4 (width);
+
-  size = stride * height;
   switch (pix_fmt) {
     case PIX_FMT_YUV420P:
     case PIX_FMT_YUV422P:
@@ -694,10 +698,11 @@ gst_ffmpegcsp_avpicture_fill (AVPicture * picture,
     case PIX_FMT_YUVJ422P:
     case PIX_FMT_YUVJ444P:
       stride = ROUND_UP_4 (width);
-      size = stride * height;
+      h2 = ROUND_UP_X (height, pinfo->y_chroma_shift);
-      w2 = (width + (1 << pinfo->x_chroma_shift) - 1) >> pinfo->x_chroma_shift;
+      size = stride * h2;
+      w2 = DIV_ROUND_UP_X (width, pinfo->x_chroma_shift);
       stride2 = ROUND_UP_4 (w2);
-      h2 = (height + (1 << pinfo->y_chroma_shift) - 1) >> pinfo->y_chroma_shift;
+      h2 = DIV_ROUND_UP_X (height, pinfo->y_chroma_shift);
       size2 = stride2 * h2;
       picture->data[0] = ptr;
       picture->data[1] = picture->data[0] + size;
@@ -736,6 +741,8 @@ gst_ffmpegcsp_avpicture_fill (AVPicture * picture,
       return size;
     case PIX_FMT_UYVY411:
       /* FIXME, probably not the right stride */
+      stride = ROUND_UP_4 (width);
+      size = stride * height;
       picture->data[0] = ptr;
       picture->data[1] = NULL;
       picture->data[2] = NULL;

gst/ffmpegcolorspace/imgconvert.c

@@ -760,6 +760,10 @@ yuv422p_to_yuv422 (AVPicture * dst, const AVPicture * src,
       cb++;
       cr++;
     }
+    if (w) {
+      p[0] = lum[0];
+      p[1] = cb[0];
+    }
     p1 += dst->linesize[0];
     lum1 += src->linesize[0];
     cb1 += src->linesize[1];
@@ -866,12 +870,37 @@ yuv420p_to_yuv422 (AVPicture * dst, const AVPicture * src,
       *line2++ = *lum2++;
       *line1++ = *line2++ = *cr1++;
     }
+    /* odd width */
+    if (w) {
+      *line1++ = *lum1++;
+      *line2++ = *lum2++;
+      *line1++ = *line2++ = *cb1++;
+    }
 
     linesrc += dst->linesize[0] * 2;
     lumsrc += src->linesize[0] * 2;
     cb2 += src->linesize[1];
     cr2 += src->linesize[2];
   }
+  /* odd height */
+  if (h) {
+    line1 = linesrc;
+    lum1 = lumsrc;
+    cb1 = cb2;
+    cr1 = cr2;
+
+    for (w = width / 2; w--;) {
+      *line1++ = *lum1++;
+      *line1++ = *cb1++;
+      *line1++ = *lum1++;
+      *line1++ = *cr1++;
+    }
+    /* odd width */
+    if (w) {
+      *line1++ = *lum1++;
+      *line1++ = *cb1++;
+    }
+  }
 }
 
 #define SCALEBITS 10
@@ -1938,11 +1967,14 @@ img_convert (AVPicture * dst, int dst_pix_fmt,
     img_copy_plane (dst->data[0], dst->linesize[0],
         src->data[0], src->linesize[0], dst_width, dst_height);
 
+#define GEN_MASK(x) ((1<<(x))-1)
+#define DIV_ROUND_UP_X(v,x) (((v) + GEN_MASK(x)) >> (x))
+
     for (i = 1; i <= 2; i++)
       resize_func (dst->data[i], dst->linesize[i],
           src->data[i], src->linesize[i],
-          dst_width >> dst_pix->x_chroma_shift,
+          DIV_ROUND_UP_X (dst_width, dst_pix->x_chroma_shift),
-          dst_height >> dst_pix->y_chroma_shift);
+          DIV_ROUND_UP_X (dst_height, dst_pix->y_chroma_shift));
     /* if yuv color space conversion is needed, we do it here on
        the destination image */
     if (dst_pix->color_type != src_pix->color_type) {