mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-11-10 03:19:40 +00:00
Code Issues 1 Projects Releases Wiki Activity

Add gst_vaapi_surface_derive_image() API.

Browse source
This commit is contained in:
gb 2010-03-18 15:28:59 +00:00
parent b9bf5678f9
commit ea2c6c502c
4 changed files with 214 additions and 35 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

216
gst-libs/gst/vaapi/gstvaapiimage.c
View file

@ -43,6 +43,7 @@ struct _GstVaapiImagePrivate {
GstVaapiImageFormat format;
guint width;
guint height;
guint create_image : 1;
guint is_constructed : 1;
guint is_linear : 1;
};
@ -51,6 +52,7 @@ enum {
PROP_0,
PROP_DISPLAY,
PROP_IMAGE,
PROP_IMAGE_ID,
PROP_FORMAT,
PROP_WIDTH,
@ -69,6 +71,75 @@ _gst_vaapi_image_map(GstVaapiImage *image);
static gboolean
_gst_vaapi_image_unmap(GstVaapiImage *image);
static gboolean
_gst_vaapi_image_set_image(GstVaapiImage *image, const VAImage *va_image);
/*
* VAImage wrapper
*/
#define VAAPI_TYPE_IMAGE vaapi_image_get_type()
static gpointer
vaapi_image_copy(gpointer va_image)
{
return g_slice_dup(VAImage, va_image);
}
static void
vaapi_image_free(gpointer va_image)
{
if (G_LIKELY(va_image))
g_slice_free(VAImage, va_image);
}
static GType
vaapi_image_get_type(void)
{
static GType type = 0;
if (G_UNLIKELY(type == 0))
type = g_boxed_type_register_static(
"VAImage",
vaapi_image_copy,
vaapi_image_free
);
return type;
}
static gboolean
vaapi_image_is_linear(const VAImage *va_image)
{
guint i, width, height, width2, height2, data_size;
for (i = 1; i < va_image->num_planes; i++)
if (va_image->offsets[i] < va_image->offsets[i - 1])
return FALSE;
width = va_image->width;
height = va_image->height;
width2 = (width + 1) / 2;
height2 = (height + 1) / 2;
switch (va_image->format.fourcc) {
case VA_FOURCC('N','V','1','2'):
case VA_FOURCC('Y','V','1','2'):
case VA_FOURCC('I','4','2','0'):
data_size = width * height + 2 * width2 * height2;
break;
case VA_FOURCC('A','R','G','B'):
case VA_FOURCC('R','G','B','A'):
case VA_FOURCC('A','B','G','R'):
case VA_FOURCC('B','G','R','A'):
data_size = 4 * width * height;
break;
default:
g_error("FIXME: incomplete formats");
break;
}
return va_image->data_size == data_size;
}
static void
gst_vaapi_image_destroy(GstVaapiImage *image)
{
@ -103,6 +174,10 @@ _gst_vaapi_image_create(GstVaapiImage *image, GstVaapiImageFormat format)
const VAImageFormat *va_format;
VAStatus status;
if (!priv->create_image)
return (priv->image.image_id != VA_INVALID_ID &&
priv->image.buf != VA_INVALID_ID);
if (!gst_vaapi_display_has_image_format(priv->display, format))
return FALSE;
@ -127,40 +202,6 @@ _gst_vaapi_image_create(GstVaapiImage *image, GstVaapiImageFormat format)
return TRUE;
}
static gboolean
_gst_vaapi_image_is_linear(GstVaapiImage *image)
{
GstVaapiImagePrivate * const priv = image->priv;
guint i, width, height, width2, height2, data_size;
for (i = 1; i < priv->image.num_planes; i++)
if (priv->image.offsets[i] < priv->image.offsets[i - 1])
return FALSE;
width = priv->width;
height = priv->height;
width2 = (width + 1) / 2;
height2 = (height + 1) / 2;
switch (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 priv->image.data_size == data_size;
}
static gboolean
gst_vaapi_image_create(GstVaapiImage *image)
{
@ -202,7 +243,7 @@ gst_vaapi_image_create(GstVaapiImage *image)
}
GST_DEBUG("image 0x%08x", priv->image.image_id);
priv->is_linear = _gst_vaapi_image_is_linear(image);
priv->is_linear = vaapi_image_is_linear(&priv->image);
return TRUE;
}
@ -229,6 +270,12 @@ gst_vaapi_image_set_property(
case PROP_DISPLAY:
priv->display = g_object_ref(g_value_get_object(value));
break;
case PROP_IMAGE: {
const VAImage * const va_image = g_value_get_boxed(value);
if (va_image)
_gst_vaapi_image_set_image(image, va_image);
break;
}
case PROP_FORMAT:
priv->format = g_value_get_uint(value);
break;
@ -258,6 +305,9 @@ gst_vaapi_image_get_property(
case PROP_DISPLAY:
g_value_set_pointer(value, gst_vaapi_image_get_display(image));
break;
case PROP_IMAGE:
g_value_set_boxed(value, &image->priv->image);
break;
case PROP_IMAGE_ID:
g_value_set_uint(value, gst_vaapi_image_get_id(image));
break;
@ -310,6 +360,15 @@ gst_vaapi_image_class_init(GstVaapiImageClass *klass)
GST_VAAPI_TYPE_DISPLAY,
G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property
(object_class,
PROP_IMAGE,
g_param_spec_boxed("image",
"Image",
"The VA image",
VAAPI_TYPE_IMAGE,
G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property
(object_class,
PROP_IMAGE_ID,
@ -359,6 +418,7 @@ gst_vaapi_image_init(GstVaapiImage *image)
priv->height = 0;
priv->internal_format = 0;
priv->format = 0;
priv->create_image = TRUE;
priv->is_constructed = FALSE;
priv->is_linear = FALSE;
@ -406,6 +466,37 @@ gst_vaapi_image_new(
return image;
}
GstVaapiImage *
gst_vaapi_image_new_with_image(GstVaapiDisplay *display, VAImage *va_image)
{
GstVaapiImage *image;
g_return_val_if_fail(GST_VAAPI_IS_DISPLAY(display), NULL);
g_return_val_if_fail(va_image, NULL);
g_return_val_if_fail(va_image->image_id != VA_INVALID_ID, NULL);
g_return_val_if_fail(va_image->buf != VA_INVALID_ID, NULL);
GST_DEBUG("VA image 0x%08x, format %" GST_FOURCC_FORMAT ", size %ux%u",
va_image->image_id,
GST_FOURCC_ARGS(va_image->format.fourcc),
va_image->width, va_image->height);
image = g_object_new(
GST_VAAPI_TYPE_IMAGE,
"display", display,
"image", va_image,
NULL
);
if (!image)
return NULL;
if (!image->priv->is_constructed) {
g_object_unref(image);
return NULL;
}
return image;
}
VAImageID
gst_vaapi_image_get_id(GstVaapiImage *image)
{
@ -427,6 +518,61 @@ gst_vaapi_image_get_image(GstVaapiImage *image, VAImage *va_image)
return TRUE;
}
gboolean
_gst_vaapi_image_set_image(GstVaapiImage *image, const VAImage *va_image)
{
GstVaapiImagePrivate * const priv = image->priv;
GstVaapiImageFormat format;
VAImage alt_va_image;
const VAImageFormat *alt_va_format;
if (!va_image)
return FALSE;
format = gst_vaapi_image_format(&va_image->format);
if (!format)
return FALSE;
priv->create_image = FALSE;
priv->internal_image = *va_image;
priv->internal_format = format;
priv->is_linear = vaapi_image_is_linear(va_image);
priv->image = *va_image;
priv->format = format;
priv->width = va_image->width;
priv->height = va_image->height;
/* Try to linearize image */
if (!priv->is_linear) {
switch (format) {
case GST_VAAPI_IMAGE_I420:
format = GST_VAAPI_IMAGE_YV12;
break;
case GST_VAAPI_IMAGE_YV12:
format = GST_VAAPI_IMAGE_I420;
break;
default:
format = 0;
break;
}
if (format &&
(alt_va_format = gst_vaapi_image_format_get_va_format(format))) {
alt_va_image = *va_image;
alt_va_image.format = *alt_va_format;
SWAP_UINT(alt_va_image.offsets[1], alt_va_image.offsets[2]);
SWAP_UINT(alt_va_image.pitches[1], alt_va_image.pitches[2]);
if (vaapi_image_is_linear(&alt_va_image)) {
priv->image = alt_va_image;
priv->format = format;
priv->is_linear = TRUE;
GST_DEBUG("linearized image to %" GST_FOURCC_FORMAT " format",
GST_FOURCC_ARGS(format));
}
}
}
return TRUE;
}
GstVaapiDisplay *
gst_vaapi_image_get_display(GstVaapiImage *image)
{

3
gst-libs/gst/vaapi/gstvaapiimage.h
View file

@ -82,6 +82,9 @@ gst_vaapi_image_new(
guint height
);
GstVaapiImage *
gst_vaapi_image_new_with_image(GstVaapiDisplay *display, VAImage *va_image);
VAImageID
gst_vaapi_image_get_id(GstVaapiImage *image);

27
gst-libs/gst/vaapi/gstvaapisurface.c
View file

@ -21,6 +21,7 @@
#include "config.h"
#include "gstvaapiutils.h"
#include "gstvaapisurface.h"
#include "gstvaapiimage.h"
#include <va/va_backend.h>
#define DEBUG 1
@ -342,6 +343,32 @@ gst_vaapi_surface_get_size(
*pheight = gst_vaapi_surface_get_height(surface);
}
GstVaapiImage *
gst_vaapi_surface_derive_image(GstVaapiSurface *surface)
{
VAImage va_image;
VAStatus status;
g_return_val_if_fail(GST_VAAPI_IS_SURFACE(surface), NULL);
va_image.image_id = VA_INVALID_ID;
va_image.buf = VA_INVALID_ID;
GST_VAAPI_DISPLAY_LOCK(surface->priv->display);
status = vaDeriveImage(
GST_VAAPI_DISPLAY_VADISPLAY(surface->priv->display),
surface->priv->surface_id,
&va_image
);
GST_VAAPI_DISPLAY_UNLOCK(surface->priv->display);
if (!vaapi_check_status(status, "vaDeriveImage()"))
return NULL;
if (va_image.image_id == VA_INVALID_ID || va_image.buf == VA_INVALID_ID)
return NULL;
return gst_vaapi_image_new_with_image(surface->priv->display, &va_image);
}
gboolean
gst_vaapi_surface_get_image(GstVaapiSurface *surface, GstVaapiImage *image)
{

3
gst-libs/gst/vaapi/gstvaapisurface.h
View file

@ -107,6 +107,9 @@ gst_vaapi_surface_get_size(
guint *pheight
);
GstVaapiImage *
gst_vaapi_surface_derive_image(GstVaapiSurface *surface);
gboolean
gst_vaapi_surface_get_image(GstVaapiSurface *surface, GstVaapiImage *image);