/**
* gst_vaapi_image_new_with_image:
* @display: a #GstVaapiDisplay
* @va_image: a VA image
*
* Creates a new #GstVaapiImage from a foreign VA image. The image
* format and dimensions will be extracted from @va_image. This
* function is mainly used by gst_vaapi_surface_derive_image() to bind
* a VA image to a #GstVaapiImage object.
*
* Return value: the newly allocated #GstVaapiImage object
*/
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,
"id", GST_VAAPI_ID(va_image->image_id),
"image", va_image,
NULL
);
if (!image)
return NULL;
if (!image->priv->is_constructed) {
g_object_unref(image);
return NULL;
}
return image;
}
/**
* gst_vaapi_image_new:
* @display: a #GstVaapiDisplay
* @format: a #GstVaapiImageFormat
* @width: the requested image width
* @height: the requested image height
*
* Creates a new #GstVaapiImage with the specified format and
* dimensions.
*
* Return value: the newly allocated #GstVaapiImage object
*/
GstVaapiImage *
gst_vaapi_image_new(
GstVaapiDisplay *display,
GstVaapiImageFormat format,
guint width,
guint height
)
{
GstVaapiImage *image;
g_return_val_if_fail(GST_VAAPI_IS_DISPLAY(display), NULL);
g_return_val_if_fail(width > 0, NULL);
g_return_val_if_fail(height > 0, NULL);
GST_DEBUG("format %" GST_FOURCC_FORMAT ", size %ux%u",
GST_FOURCC_ARGS(format), width, height);
image = g_object_new(
GST_VAAPI_TYPE_IMAGE,
"display", display,
"id", GST_VAAPI_ID(VA_INVALID_ID),
"format", format,
"width", width,
"height", height,
NULL
);
if (!image)
return NULL;
if (!image->priv->is_constructed) {
g_object_unref(image);
return NULL;
}
return image;
}
/**
* gst_vaapi_decoder_vc1_new:
* @display: a #GstVaapiDisplay
* @caps: a #GstCaps holding codec information
*
* Creates a new #GstVaapiDecoder for VC-1 decoding. The @caps can
* hold extra information like codec-data and pictured coded size.
*
* Return value: the newly allocated #GstVaapiDecoder object
*/
GstVaapiDecoder *
gst_vaapi_decoder_vc1_new(GstVaapiDisplay *display, GstCaps *caps)
{
GstVaapiDecoderVC1 *decoder;
g_return_val_if_fail(GST_VAAPI_IS_DISPLAY(display), NULL);
g_return_val_if_fail(GST_IS_CAPS(caps), NULL);
decoder = g_object_new(
GST_VAAPI_TYPE_DECODER_VC1,
"display", display,
"caps", caps,
NULL
);
if (!decoder->priv->is_constructed) {
g_object_unref(decoder);
return NULL;
}
return GST_VAAPI_DECODER_CAST(decoder);
}
/**
* gst_vaapi_decoder_ffmpeg_new:
* @display: a #GstVaapiDisplay
* @caps: a #GstCaps holding codec information
*
* Creates a new #GstVaapiDecoder based on FFmpeg where the codec is
* determined from @caps. The @caps can hold extra information like
* codec-data and pictured coded size.
*
* Return value: the newly allocated #GstVaapiDecoder object
*/
GstVaapiDecoder *
gst_vaapi_decoder_ffmpeg_new(GstVaapiDisplay *display, GstCaps *caps)
{
GstVaapiDecoderFfmpeg *ffdecoder;
g_return_val_if_fail(GST_VAAPI_IS_DISPLAY(display), NULL);
g_return_val_if_fail(GST_IS_CAPS(caps), NULL);
ffdecoder = g_object_new(
GST_VAAPI_TYPE_DECODER_FFMPEG,
"display", display,
"caps", caps,
NULL
);
if (!ffdecoder->priv->is_constructed) {
g_object_unref(ffdecoder);
return NULL;
}
return GST_VAAPI_DECODER_CAST(ffdecoder);
}
/**
* gst_vaapi_window_wayland_new:
* @display: a #GstVaapiDisplay
* @width: the requested window width, in pixels
* @height: the requested windo height, in pixels
*
* Creates a window with the specified @width and @height. The window
* will be attached to the @display and remains invisible to the user
* until gst_vaapi_window_show() is called.
*
* Return value: the newly allocated #GstVaapiWindow object
*/
GstVaapiWindow *
gst_vaapi_window_wayland_new(
GstVaapiDisplay *display,
guint width,
guint height
)
{
GST_DEBUG("new window, size %ux%u", width, height);
g_return_val_if_fail(GST_VAAPI_IS_DISPLAY(display), NULL);
g_return_val_if_fail(width > 0, NULL);
g_return_val_if_fail(height > 0, NULL);
return g_object_new(GST_VAAPI_TYPE_WINDOW_WAYLAND,
"display", display,
"id", GST_VAAPI_ID(0),
"width", width,
"height", height,
NULL);
}
