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Add gst_vaapi_surface_{,de}associate_subpicture() API.

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This commit is contained in:
gb 2010-03-23 10:36:20 +00:00
parent 55c5b220cd
commit 6a8c6ad04c
4 changed files with 271 additions and 7 deletions

2
docs/reference/libs/libs-sections.txt
View file

@ -242,6 +242,8 @@ gst_vaapi_surface_get_size
gst_vaapi_surface_derive_image
gst_vaapi_surface_get_image
gst_vaapi_surface_put_image
gst_vaapi_surface_associate_subpicture
gst_vaapi_surface_deassociate_subpicture
gst_vaapi_surface_sync
<SUBSECTION Standard>
GST_VAAPI_SURFACE

138
gst-libs/gst/vaapi/gstvaapisurface.c
View file

@ -45,6 +45,7 @@ struct _GstVaapiSurfacePrivate {
guint width;
guint height;
GstVaapiChromaType chroma_type;
GPtrArray *subpictures;
};
enum {
@ -57,6 +58,12 @@ enum {
PROP_CHROMA_TYPE
};
static void
destroy_subpicture_cb(gpointer subpicture, gpointer user_data)
{
g_object_unref(subpicture);
}
static void
gst_vaapi_surface_destroy(GstVaapiSurface *surface)
{
@ -75,6 +82,12 @@ gst_vaapi_surface_destroy(GstVaapiSurface *surface)
priv->surface_id = VA_INVALID_SURFACE;
}
if (priv->subpictures) {
g_ptr_array_foreach(priv->subpictures, destroy_subpicture_cb, NULL);
g_ptr_array_free(priv->subpictures, TRUE);
priv->subpictures = NULL;
}
if (priv->display) {
g_object_unref(priv->display);
priv->display = NULL;
@ -282,6 +295,7 @@ gst_vaapi_surface_init(GstVaapiSurface *surface)
priv->width = 0;
priv->height = 0;
priv->chroma_type = 0;
priv->subpictures = NULL;
}
/**
@ -553,6 +567,130 @@ gst_vaapi_surface_put_image(GstVaapiSurface *surface, GstVaapiImage *image)
return TRUE;
}
/**
* gst_vaapi_surface_associate_subpicture:
* @surface: a #GstVaapiSurface
* @subpicture: a #GstVaapiSubpicture
* @src_rect: (allow-none): the sub-rectangle of the source subpicture
* image to extract and process. If %NULL, the entire image will be used.
* @dst_rect: (allow-none): the sub-rectangle of the destination
* surface into which the image is rendered. If %NULL, the entire
* surface will be used.
*
* Associates the @subpicture with the @surface. The @src_rect
* coordinates and size are relative to the source image bound to
* @subpicture. The @dst_rect coordinates and size are relative to the
* target @surface.
*
* Return value: %TRUE on success
*/
gboolean
gst_vaapi_surface_associate_subpicture(
GstVaapiSurface *surface,
GstVaapiSubpicture *subpicture,
const GstVaapiRectangle *src_rect,
const GstVaapiRectangle *dst_rect
)
{
GstVaapiRectangle src_rect_default, dst_rect_default;
GstVaapiImage *image;
VAStatus status;
g_return_val_if_fail(GST_VAAPI_IS_SURFACE(surface), FALSE);
g_return_val_if_fail(GST_VAAPI_IS_SUBPICTURE(subpicture), FALSE);
if (!gst_vaapi_surface_deassociate_subpicture(surface, subpicture))
return FALSE;
if (!surface->priv->subpictures) {
surface->priv->subpictures = g_ptr_array_new();
if (!surface->priv->subpictures)
return FALSE;
}
if (!src_rect) {
image = gst_vaapi_subpicture_get_image(subpicture);
if (!image)
return FALSE;
src_rect = &src_rect_default;
src_rect_default.x = 0;
src_rect_default.y = 0;
gst_vaapi_image_get_size(
image,
&src_rect_default.width,
&src_rect_default.height
);
}
if (!dst_rect) {
dst_rect = &dst_rect_default;
dst_rect_default.x = 0;
dst_rect_default.y = 0;
dst_rect_default.width = surface->priv->width;
dst_rect_default.height = surface->priv->height;
}
GST_VAAPI_DISPLAY_LOCK(surface->priv->display);
status = vaAssociateSubpicture(
GST_VAAPI_DISPLAY_VADISPLAY(surface->priv->display),
gst_vaapi_subpicture_get_id(subpicture),
&surface->priv->surface_id, 1,
src_rect->x, src_rect->y, src_rect->width, src_rect->height,
dst_rect->x, dst_rect->y, dst_rect->width, dst_rect->height,
0
);
GST_VAAPI_DISPLAY_UNLOCK(surface->priv->display);
if (!vaapi_check_status(status, "vaAssociateSubpicture()"))
return FALSE;
g_ptr_array_add(surface->priv->subpictures, g_object_ref(subpicture));
return TRUE;
}
/**
* gst_vaapi_surface_deassociate_subpicture:
* @surface: a #GstVaapiSurface
* @subpicture: a #GstVaapiSubpicture
*
* Deassociates @subpicture from @surface. Other associations are kept.
*
* Return value: %TRUE on success
*/
gboolean
gst_vaapi_surface_deassociate_subpicture(
GstVaapiSurface *surface,
GstVaapiSubpicture *subpicture
)
{
VAStatus status;
g_return_val_if_fail(GST_VAAPI_IS_SURFACE(surface), FALSE);
g_return_val_if_fail(GST_VAAPI_IS_SUBPICTURE(subpicture), FALSE);
if (!surface->priv->subpictures)
return TRUE;
/* First, check subpicture was really associated with this surface */
if (!g_ptr_array_remove_fast(surface->priv->subpictures, subpicture)) {
GST_DEBUG("subpicture 0x%08x was not bound to surface 0x%08x",
gst_vaapi_subpicture_get_id(subpicture),
surface->priv->surface_id);
return TRUE;
}
GST_VAAPI_DISPLAY_LOCK(surface->priv->display);
status = vaDeassociateSubpicture(
GST_VAAPI_DISPLAY_VADISPLAY(surface->priv->display),
gst_vaapi_subpicture_get_id(subpicture),
&surface->priv->surface_id, 1
);
GST_VAAPI_DISPLAY_UNLOCK(surface->priv->display);
g_object_unref(subpicture);
if (!vaapi_check_status(status, "vaDeassociateSubpicture()"))
return FALSE;
return TRUE;
}
/**
* gst_vaapi_surface_sync:
* @surface: a #GstVaapiSurface

18
gst-libs/gst/vaapi/gstvaapisurface.h
View file

@ -21,8 +21,10 @@
#ifndef GST_VAAPI_SURFACE_H
#define GST_VAAPI_SURFACE_H
#include <gst/vaapi/gstvaapiimage.h>
#include <gst/vaapi/gstvaapitypes.h>
#include <gst/vaapi/gstvaapidisplay.h>
#include <gst/vaapi/gstvaapiimage.h>
#include <gst/vaapi/gstvaapisubpicture.h>
G_BEGIN_DECLS
@ -162,6 +164,20 @@ gst_vaapi_surface_get_image(GstVaapiSurface *surface, GstVaapiImage *image);
gboolean
gst_vaapi_surface_put_image(GstVaapiSurface *surface, GstVaapiImage *image);
gboolean
gst_vaapi_surface_associate_subpicture(
GstVaapiSurface *surface,
GstVaapiSubpicture *subpicture,
const GstVaapiRectangle *src_rect,
const GstVaapiRectangle *dst_rect
);
gboolean
gst_vaapi_surface_deassociate_subpicture(
GstVaapiSurface *surface,
GstVaapiSubpicture *subpicture
);
gboolean
gst_vaapi_surface_sync(GstVaapiSurface *surface);

120
tests/test-windows.c
View file

@ -39,6 +39,77 @@ typedef void (*DrawRectFunc)(
guint32 color
);
static void draw_rect_ARGB(
guchar *pixels[3],
guint stride[3],
gint x,
gint y,
guint width,
guint height,
guint32 color
)
{
guint i, j;
color = GUINT32_TO_BE(color);
for (j = 0; j < height; j++) {
guint32 *p = (guint32 *)(pixels[0] + (y + j) * stride[0] + x * 4);
for (i = 0; i < width; i++)
p[i] = color;
}
}
static void draw_rect_BGRA(
guchar *pixels[3],
guint stride[3],
gint x,
gint y,
guint width,
guint height,
guint32 color
)
{
// Converts ARGB color to BGRA
color = GUINT32_SWAP_LE_BE(color);
draw_rect_ARGB(pixels, stride, x, y, width, height, color);
}
static void draw_rect_RGBA(
guchar *pixels[3],
guint stride[3],
gint x,
gint y,
guint width,
guint height,
guint32 color
)
{
// Converts ARGB color to RGBA
color = ((color >> 24) & 0xff) | ((color & 0xffffff) << 8);
draw_rect_ARGB(pixels, stride, x, y, width, height, color);
}
static void draw_rect_ABGR(
guchar *pixels[3],
guint stride[3],
gint x,
gint y,
guint width,
guint height,
guint32 color
)
{
// Converts ARGB color to ABGR
color = ((color & 0xff00ff00) |
((color >> 16) & 0xff) |
((color & 0xff) << 16));
draw_rect_ARGB(pixels, stride, x, y, width, height, color);
}
static void draw_rect_NV12( // Y, UV planes
guchar *pixels[3],
guint stride[3],
@ -122,6 +193,25 @@ static gboolean draw_rgb_rects(GstVaapiImage *image)
return FALSE;
switch (format) {
case GST_VAAPI_IMAGE_ARGB:
draw_rect = draw_rect_ARGB;
goto RGB_colors;
case GST_VAAPI_IMAGE_BGRA:
draw_rect = draw_rect_BGRA;
goto RGB_colors;
case GST_VAAPI_IMAGE_RGBA:
draw_rect = draw_rect_RGBA;
goto RGB_colors;
case GST_VAAPI_IMAGE_ABGR:
draw_rect = draw_rect_ABGR;
RGB_colors:
pixels[0] = gst_vaapi_image_get_plane(image, 0);
stride[0] = gst_vaapi_image_get_pitch(image, 0);
red_color = 0xffff0000;
green_color = 0xff00ff00;
blue_color = 0xff0000ff;
black_color = 0xff000000;
break;
case GST_VAAPI_IMAGE_NV12:
draw_rect = draw_rect_NV12;
pixels[0] = gst_vaapi_image_get_plane(image, 0);
@ -171,10 +261,11 @@ static gboolean draw_rgb_rects(GstVaapiImage *image)
int
main(int argc, char *argv[])
{
GstVaapiDisplay *display;
GstVaapiWindow *window;
GstVaapiSurface *surface;
GstVaapiImage *image = NULL;
GstVaapiDisplay *display;
GstVaapiWindow *window;
GstVaapiSurface *surface;
GstVaapiImage *image = NULL;
GstVaapiSubpicture *subpicture = NULL;
GstVaapiImageFormat format;
guint flags = GST_VAAPI_PICTURE_STRUCTURE_FRAME;
guint i;
@ -183,6 +274,10 @@ main(int argc, char *argv[])
GST_VAAPI_IMAGE_NV12,
GST_VAAPI_IMAGE_YV12,
GST_VAAPI_IMAGE_I420,
GST_VAAPI_IMAGE_ARGB,
GST_VAAPI_IMAGE_BGRA,
GST_VAAPI_IMAGE_RGBA,
GST_VAAPI_IMAGE_ABGR,
0
};
@ -215,8 +310,19 @@ main(int argc, char *argv[])
if (!draw_rgb_rects(image))
g_error("could not draw RGB rectangles");
if (!gst_vaapi_surface_put_image(surface, image))
g_error("could not upload image");
if (gst_vaapi_image_format_is_rgb(format)) {
subpicture = gst_vaapi_subpicture_new(image);
if (!subpicture)
g_error("could not create Gst/VA subpicture");
if (!gst_vaapi_surface_associate_subpicture(surface, subpicture,
NULL, NULL))
g_error("could not associate subpicture to surface");
}
else {
if (!gst_vaapi_surface_put_image(surface, image))
g_error("could not upload image");
}
if (!gst_vaapi_surface_sync(surface))
g_error("could not complete image upload");
@ -277,6 +383,8 @@ main(int argc, char *argv[])
XDestroyWindow(dpy, win);
}
if (subpicture)
g_object_unref(subpicture);
g_object_unref(image);
g_object_unref(surface);
g_object_unref(display);