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gecko/media/libvpx/bug671818.patch

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diff --git a/media/libvpx/vp8/vp8_dx_iface.c b/media/libvpx/vp8/vp8_dx_iface.c
--- a/media/libvpx/vp8/vp8_dx_iface.c
+++ b/media/libvpx/vp8/vp8_dx_iface.c
@@ -315,16 +315,46 @@ update_error_state(vpx_codec_alg_priv_t
if ((res = error->error_code))
ctx->base.err_detail = error->has_detail
? error->detail
: NULL;
return res;
}
+static void yuvconfig2image(vpx_image_t *img,
+ const YV12_BUFFER_CONFIG *yv12,
+ void *user_priv)
+{
+ /** vpx_img_wrap() doesn't allow specifying independent strides for
+ * the Y, U, and V planes, nor other alignment adjustments that
+ * might be representable by a YV12_BUFFER_CONFIG, so we just
+ * initialize all the fields.*/
+ img->fmt = yv12->clrtype == REG_YUV ?
+ VPX_IMG_FMT_I420 : VPX_IMG_FMT_VPXI420;
+ img->w = yv12->y_stride;
+ img->h = (yv12->y_height + 2 * VP8BORDERINPIXELS + 15) & ~15;
+ img->d_w = yv12->y_width;
+ img->d_h = yv12->y_height;
+ img->x_chroma_shift = 1;
+ img->y_chroma_shift = 1;
+ img->planes[VPX_PLANE_Y] = yv12->y_buffer;
+ img->planes[VPX_PLANE_U] = yv12->u_buffer;
+ img->planes[VPX_PLANE_V] = yv12->v_buffer;
+ img->planes[VPX_PLANE_ALPHA] = NULL;
+ img->stride[VPX_PLANE_Y] = yv12->y_stride;
+ img->stride[VPX_PLANE_U] = yv12->uv_stride;
+ img->stride[VPX_PLANE_V] = yv12->uv_stride;
+ img->stride[VPX_PLANE_ALPHA] = yv12->y_stride;
+ img->bps = 12;
+ img->user_priv = user_priv;
+ img->img_data = yv12->buffer_alloc;
+ img->img_data_owner = 0;
+ img->self_allocd = 0;
+}
static vpx_codec_err_t vp8_decode(vpx_codec_alg_priv_t *ctx,
const uint8_t *data,
unsigned int data_sz,
void *user_priv,
long deadline)
{
vpx_codec_err_t res = VPX_CODEC_OK;
@@ -424,30 +454,18 @@ static vpx_codec_err_t vp8_decode(vpx_co
if (vp8dx_receive_compressed_data(ctx->pbi, data_sz, data, deadline))
{
VP8D_COMP *pbi = (VP8D_COMP *)ctx->pbi;
res = update_error_state(ctx, &pbi->common.error);
}
if (!res && 0 == vp8dx_get_raw_frame(ctx->pbi, &sd, &time_stamp, &time_end_stamp, ppdeblocking, ppnoise, ppflag))
{
- /* Align width/height */
- unsigned int a_w = (sd.y_width + 15) & ~15;
- unsigned int a_h = (sd.y_height + 15) & ~15;
-
- vpx_img_wrap(&ctx->img, VPX_IMG_FMT_I420,
- a_w + 2 * VP8BORDERINPIXELS,
- a_h + 2 * VP8BORDERINPIXELS,
- 1,
- sd.buffer_alloc);
- vpx_img_set_rect(&ctx->img,
- VP8BORDERINPIXELS, VP8BORDERINPIXELS,
- sd.y_width, sd.y_height);
+ yuvconfig2image(&ctx->img, &sd, user_priv);
ctx->img_avail = 1;
-
}
}
return res;
}
static vpx_image_t *vp8_get_frame(vpx_codec_alg_priv_t *ctx,
vpx_codec_iter_t *iter)
diff --git a/media/libvpx/vpx_scale/generic/yv12config.c b/media/libvpx/vpx_scale/generic/yv12config.c
--- a/media/libvpx/vpx_scale/generic/yv12config.c
+++ b/media/libvpx/vpx_scale/generic/yv12config.c
@@ -42,50 +42,61 @@ vp8_yv12_de_alloc_frame_buffer(YV12_BUFF
/****************************************************************************
*
****************************************************************************/
int
vp8_yv12_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height, int border)
{
/*NOTE:*/
- int yplane_size = (height + 2 * border) * (width + 2 * border);
- int uvplane_size = ((1 + height) / 2 + border) * ((1 + width) / 2 + border);
-
if (ybf)
{
+ int y_stride = ((width + 2 * border) + 31) & ~31;
+ int yplane_size = (height + 2 * border) * y_stride;
+ /** There is currently a bunch of code which assumes
+ * uv_stride == y_stride/2, so enforce this here. */
+ int uv_width = width >> 1;
+ int uv_height = height >> 1;
+ int uv_stride = y_stride >> 1;
+ int uvplane_size = ((1 + height) / 2 + border) * uv_stride;
+
vp8_yv12_de_alloc_frame_buffer(ybf);
+ /** Only support allocating buffers that have a height and width that
+ * are multiples of 16, and a border that's a multiple of 32.
+ * The border restriction is required to get 16-byte alignment of the
+ * start of the chroma rows without intoducing an arbitrary gap
+ * between planes, which would break the semantics of things like
+ * vpx_img_set_rect(). */
+ if ((width & 0xf) | (height & 0xf) | (border & 0x1f))
+ return -3;
+
ybf->y_width = width;
ybf->y_height = height;
- ybf->y_stride = width + 2 * border;
+ ybf->y_stride = y_stride;
- ybf->uv_width = (1 + width) / 2;
- ybf->uv_height = (1 + height) / 2;
- ybf->uv_stride = ybf->uv_width + border;
+ ybf->uv_width = uv_width;
+ ybf->uv_height = uv_height;
+ ybf->uv_stride = uv_stride;
ybf->border = border;
ybf->frame_size = yplane_size + 2 * uvplane_size;
/* Added 2 extra lines to framebuffer so that copy12x12 doesn't fail
* when we have a large motion vector in V on the last v block.
* Note : We never use these pixels anyway so this doesn't hurt.
*/
- ybf->buffer_alloc = (unsigned char *) duck_memalign(32, ybf->frame_size + (ybf->y_stride * 2) + 32, 0);
+ ybf->buffer_alloc = (unsigned char *) vpx_memalign(32, ybf->frame_size);
if (ybf->buffer_alloc == NULL)
return -1;
- ybf->y_buffer = ybf->buffer_alloc + (border * ybf->y_stride) + border;
-
- if (yplane_size & 0xf)
- yplane_size += 16 - (yplane_size & 0xf);
-
- ybf->u_buffer = ybf->buffer_alloc + yplane_size + (border / 2 * ybf->uv_stride) + border / 2;
- ybf->v_buffer = ybf->buffer_alloc + yplane_size + uvplane_size + (border / 2 * ybf->uv_stride) + border / 2;
+ ybf->y_buffer = ybf->buffer_alloc + (border * y_stride) + border;
+ ybf->u_buffer = ybf->buffer_alloc + yplane_size + (border / 2 * uv_stride) + border / 2;
+ ybf->v_buffer = ybf->buffer_alloc + yplane_size + uvplane_size + (border / 2 * uv_stride) + border / 2;
}
else
{
return -2;
}
return 0;
}
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