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Implement I420 and YV12 if the underlying implementation does not.

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This commit is contained in:
gb 2010-03-15 17:43:29 +00:00
parent 56820b2bc1
commit 6bc69b5592
1 changed files with 21 additions and 2 deletions
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23
gst-libs/gst/vaapi/gstvaapiimage.c
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@ -447,6 +447,7 @@ gst_vaapi_image_update_from_buffer(GstVaapiImage *image, GstBuffer *buffer)
guint i, j;
guchar *data;
guint32 data_size;
gboolean swap_YUV;
g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), FALSE);
g_return_val_if_fail(image->priv->is_constructed, FALSE);
@ -461,7 +462,11 @@ gst_vaapi_image_update_from_buffer(GstVaapiImage *image, GstBuffer *buffer)
return FALSE;
format = gst_vaapi_image_format_from_caps(caps);
if (format != priv->format)
swap_YUV = ((format == GST_VAAPI_IMAGE_I420 &&
priv->format == GST_VAAPI_IMAGE_YV12) ||
(format == GST_VAAPI_IMAGE_YV12 &&
priv->format == GST_VAAPI_IMAGE_I420));
if (format != priv->format && !swap_YUV)
return FALSE;
structure = gst_caps_get_structure(caps, 0);
@ -473,7 +478,7 @@ gst_vaapi_image_update_from_buffer(GstVaapiImage *image, GstBuffer *buffer)
if (!gst_vaapi_image_map(image))
return FALSE;
if (data_size == priv->image.data_size)
if (format == priv->format && data_size == priv->image.data_size)
memcpy(priv->image_data, data, data_size);
else {
/* XXX: copied from gst_video_format_get_row_stride() -- no NV12? */
@ -525,6 +530,20 @@ gst_vaapi_image_update_from_buffer(GstVaapiImage *image, GstBuffer *buffer)
}
if (size2 != data_size)
g_error("data_size mismatch %d / %u", size2, data_size);
if (swap_YUV) {
guint offset = offsets[1];
guint stride = pitches[1];
guint width = widths [1];
guint height = heights[1];
offsets[1] = offsets[2];
pitches[1] = pitches[2];
widths [1] = widths [2];
heights[1] = heights[2];
offsets[2] = offset;
pitches[2] = stride;
widths [2] = width;
heights[2] = height;
}
for (i = 0; i < priv->image.num_planes; i++) {
guchar *src = data + offsets[i];
guchar *dst = priv->image_data + priv->image.offsets[i];