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Extend GstVaapiImage API with *_get_image(), *_is_linear(), *_get_data_size().

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This commit is contained in:
gb 2010-03-16 17:57:23 +00:00
parent 21a9a0aac2
commit f016dc50c2
2 changed files with 88 additions and 1 deletions
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80
gst-libs/gst/vaapi/gstvaapiimage.c
View file

@ -55,6 +55,12 @@ enum {
PROP_HEIGHT
};
#define SWAP_UINT(a, b) do { \
unsigned int v = a; \
a = b; \
b = v; \
} while (0)
static void
gst_vaapi_image_destroy(GstVaapiImage *image)
{
@ -317,11 +323,34 @@ VAImageID
gst_vaapi_image_get_id(GstVaapiImage *image)
{
g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), VA_INVALID_ID);
g_return_val_if_fail(image->priv->is_constructed, FALSE);
g_return_val_if_fail(image->priv->is_constructed, VA_INVALID_ID);
return image->priv->image.image_id;
}
gboolean
gst_vaapi_image_get_image(GstVaapiImage *image, VAImage *va_image)
{
g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), FALSE);
g_return_val_if_fail(image->priv->is_constructed, FALSE);
if (!va_image)
return TRUE;
*va_image = image->priv->image;
if (image->priv->format != image->priv->internal_format) {
if (!(image->priv->format == GST_VAAPI_IMAGE_I420 &&
image->priv->internal_format == GST_VAAPI_IMAGE_YV12) &&
!(image->priv->format == GST_VAAPI_IMAGE_YV12 &&
image->priv->internal_format == GST_VAAPI_IMAGE_I420))
return FALSE;
SWAP_UINT(va_image->offsets[1], va_image->offsets[2]);
SWAP_UINT(va_image->pitches[1], va_image->pitches[2]);
}
return TRUE;
}
GstVaapiDisplay *
gst_vaapi_image_get_display(GstVaapiImage *image)
{
@ -371,6 +400,46 @@ gst_vaapi_image_get_size(GstVaapiImage *image, guint *pwidth, guint *pheight)
*pheight = image->priv->height;
}
gboolean
gst_vaapi_image_is_linear(GstVaapiImage *image)
{
VAImage va_image;
guint i, width, height, width2, height2, data_size;
g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), FALSE);
g_return_val_if_fail(image->priv->is_constructed, FALSE);
if (!gst_vaapi_image_get_image(image, &va_image))
return FALSE;
for (i = 1; i < va_image.num_planes; i++)
if (va_image.offsets[i] < va_image.offsets[i - 1])
return FALSE;
width = image->priv->width;
height = image->priv->height;
width2 = (width + 1) / 2;
height2 = (height + 1) / 2;
switch (image->priv->internal_format) {
case GST_VAAPI_IMAGE_NV12:
case GST_VAAPI_IMAGE_YV12:
case GST_VAAPI_IMAGE_I420:
data_size = width * height + 2 * width2 * height2;
break;
case GST_VAAPI_IMAGE_ARGB:
case GST_VAAPI_IMAGE_RGBA:
case GST_VAAPI_IMAGE_ABGR:
case GST_VAAPI_IMAGE_BGRA:
data_size = 4 * width * height;
break;
default:
g_error("FIXME: incomplete formats");
break;
}
return va_image.data_size == data_size;
}
static inline gboolean
_gst_vaapi_image_is_mapped(GstVaapiImage *image)
{
@ -464,6 +533,15 @@ gst_vaapi_image_get_pitch(GstVaapiImage *image, guint plane)
return image->priv->image.pitches[plane];
}
guint
gst_vaapi_image_get_data_size(GstVaapiImage *image)
{
g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), 0);
g_return_val_if_fail(image->priv->is_constructed, FALSE);
return image->priv->image.data_size;
}
gboolean
gst_vaapi_image_update_from_buffer(GstVaapiImage *image, GstBuffer *buffer)
{

9
gst-libs/gst/vaapi/gstvaapiimage.h
View file

@ -85,6 +85,9 @@ gst_vaapi_image_new(
VAImageID
gst_vaapi_image_get_id(GstVaapiImage *image);
gboolean
gst_vaapi_image_get_image(GstVaapiImage *image, VAImage *va_image);
GstVaapiDisplay *
gst_vaapi_image_get_display(GstVaapiImage *image);
@ -100,6 +103,9 @@ gst_vaapi_image_get_height(GstVaapiImage *image);
void
gst_vaapi_image_get_size(GstVaapiImage *image, guint *pwidth, guint *pheight);
gboolean
gst_vaapi_image_is_linear(GstVaapiImage *image);
gboolean
gst_vaapi_image_is_mapped(GstVaapiImage *image);
@ -118,6 +124,9 @@ gst_vaapi_image_get_plane(GstVaapiImage *image, guint plane);
guint
gst_vaapi_image_get_pitch(GstVaapiImage *image, guint plane);
guint
gst_vaapi_image_get_data_size(GstVaapiImage *image);
gboolean
gst_vaapi_image_update_from_buffer(GstVaapiImage *image, GstBuffer *buffer);