vdpau: add functions to GstVdpOutputBuffer needed for rgb download

This commit is contained in:
Carl-Anton Ingmarsson 2009-11-22 22:29:58 +01:00
parent 64601993c9
commit 4dd36435a7
2 changed files with 198 additions and 9 deletions

View file

@ -51,6 +51,10 @@ gst_vdp_output_buffer_new (GstVdpDevice * device, VdpRGBAFormat rgba_format,
(GstVdpOutputBuffer *) gst_mini_object_new (GST_TYPE_VDP_OUTPUT_BUFFER);
buffer->device = g_object_ref (device);
buffer->rgba_format = rgba_format;
buffer->width = width;
buffer->height = height;
buffer->surface = surface;
return buffer;
@ -133,8 +137,8 @@ GstVdpOutputBufferFormats rgba_formats[] = {
{VDP_RGBA_FORMAT_A8,
GST_STATIC_CAPS ("video/x-raw-rgb, "
"bpp = (int)8, "
"depth = (int)0, "
"endianness = G_BIG_ENDIAN, "
"depth = (int)8, "
"endianness = (int)4321, "
"red_mask = (int)0x00, "
"green_mask = (int)0x00, "
"blue_mask = (int)0x00, " "alpha_mask = (int)0xff")},
@ -142,7 +146,7 @@ GstVdpOutputBufferFormats rgba_formats[] = {
GST_STATIC_CAPS ("video/x-raw-rgb, "
"bpp = (int)32, "
"depth = (int)30, "
"endianness = G_BIG_ENDIAN, "
"endianness = (int)4321, "
"red_mask = (int)0x000003fc, "
"green_mask = (int)0x003ff000, "
"blue_mask = (int)0xffc00000, " "alpha_mask = (int)0x00000003")},
@ -150,7 +154,7 @@ GstVdpOutputBufferFormats rgba_formats[] = {
GST_STATIC_CAPS ("video/x-raw-rgb, "
"bpp = (int)32, "
"depth = (int)24, "
"endianness = G_BIG_ENDIAN, "
"endianness = (int)4321, "
"red_mask = (int)0x0000ff00, "
"green_mask = (int)0x00ff0000, "
"blue_mask = (int)0xff000000, " "alpha_mask = (int)0x000000ff")},
@ -158,7 +162,7 @@ GstVdpOutputBufferFormats rgba_formats[] = {
GST_STATIC_CAPS ("video/x-raw-rgb, "
"bpp = (int)32, "
"depth = (int)30, "
"endianness = G_BIG_ENDIAN, "
"endianness = (int)4321, "
"red_mask = (int)0xffc00000, "
"green_mask = (int)0x003ff000, "
"blue_mask = (int)0x000003fc, " "alpha_mask = (int)0x00000003")},
@ -166,25 +170,57 @@ GstVdpOutputBufferFormats rgba_formats[] = {
GST_STATIC_CAPS ("video/x-raw-rgb, "
"bpp = (int)32, "
"depth = (int)24, "
"endianness = G_BIG_ENDIAN"
"endianness = (int)4321, "
"red_mask = (int)0xff000000, "
"green_mask = (int)0x00ff0000, "
"blue_mask = (int)0x0000ff00, " "alpha_mask = (int)0x000000ff")},
};
int n_rgba_formats = G_N_ELEMENTS (rgba_formats);
GstCaps *
gst_vdp_output_buffer_get_template_caps ()
{
GstCaps *caps, *rgb_caps;
gint i;
caps = gst_caps_new_empty ();
rgb_caps = gst_caps_new_empty ();
for (i = 0; i < G_N_ELEMENTS (rgba_formats); i++) {
GstCaps *format_caps;
format_caps = gst_caps_new_simple ("video/x-vdpau-output",
"rgba-format", G_TYPE_INT, rgba_formats[i].format,
"width", GST_TYPE_INT_RANGE, 1, 8192,
"height", GST_TYPE_INT_RANGE, 1, 8192, NULL);
gst_caps_append (caps, format_caps);
format_caps = gst_static_caps_get (&rgba_formats[i].caps);
format_caps = gst_caps_copy (format_caps);
gst_caps_set_simple (format_caps,
"width", GST_TYPE_INT_RANGE, 1, 8192,
"height", GST_TYPE_INT_RANGE, 1, 8192, NULL);
gst_caps_append (rgb_caps, format_caps);
}
gst_caps_append (caps, rgb_caps);
return caps;
}
GstCaps *
gst_vdp_output_buffer_get_allowed_caps (GstVdpDevice * device)
{
GstCaps *caps;
GstCaps *caps, *rgb_caps;
gint i;
g_return_val_if_fail (GST_IS_VDP_DEVICE (device), NULL);
caps = gst_caps_new_empty ();
rgb_caps = gst_caps_new_empty ();
for (i = 0; i < n_rgba_formats; i++) {
for (i = 0; i < G_N_ELEMENTS (rgba_formats); i++) {
VdpStatus status;
VdpBool is_supported;
guint max_w, max_h;
@ -208,10 +244,155 @@ gst_vdp_output_buffer_get_allowed_caps (GstVdpDevice * device)
"width", GST_TYPE_INT_RANGE, 1, max_w,
"height", GST_TYPE_INT_RANGE, 1, max_h, NULL);
gst_caps_append (caps, format_caps);
format_caps = gst_static_caps_get (&rgba_formats[i].caps);
format_caps = gst_caps_copy (format_caps);
gst_caps_set_simple (format_caps,
"width", GST_TYPE_INT_RANGE, 1, 8192,
"height", GST_TYPE_INT_RANGE, 1, 8192, NULL);
gst_caps_append (rgb_caps, format_caps);
}
}
gst_caps_append (caps, rgb_caps);
error:
return caps;
}
gboolean
gst_vdp_caps_to_rgba_format (GstCaps * caps, VdpRGBAFormat * rgba_format)
{
GstStructure *structure;
gint c_bpp, c_depth, c_endianness, c_red_mask, c_green_mask, c_blue_mask,
c_alpha_mask;
gint i;
g_return_val_if_fail (GST_IS_CAPS (caps), FALSE);
if (!gst_caps_is_fixed (caps))
return FALSE;
structure = gst_caps_get_structure (caps, 0);
if (!gst_structure_has_name (structure, "video/x-raw-rgb"))
return FALSE;
if (!gst_structure_get_int (structure, "bpp", &c_bpp) ||
!gst_structure_get_int (structure, "depth", &c_depth) ||
!gst_structure_get_int (structure, "endianness", &c_endianness) ||
!gst_structure_get_int (structure, "red_mask", &c_red_mask) ||
!gst_structure_get_int (structure, "green_mask", &c_green_mask) ||
!gst_structure_get_int (structure, "blue_mask", &c_blue_mask) ||
!gst_structure_get_int (structure, "alpha_mask", &c_alpha_mask))
return FALSE;
for (i = 0; i < G_N_ELEMENTS (rgba_formats); i++) {
gint bpp, depth, endianness, red_mask, green_mask, blue_mask, alpha_mask;
GstCaps *rgb_caps = gst_static_caps_get (&rgba_formats[i].caps);
structure = gst_caps_get_structure (rgb_caps, 0);
gst_structure_get_int (structure, "bpp", &bpp);
gst_structure_get_int (structure, "depth", &depth);
gst_structure_get_int (structure, "endianness", &endianness);
gst_structure_get_int (structure, "red_mask", &red_mask);
gst_structure_get_int (structure, "green_mask", &green_mask);
gst_structure_get_int (structure, "blue_mask", &blue_mask);
gst_structure_get_int (structure, "alpha_mask", &alpha_mask);
if (c_bpp == bpp && c_depth == depth && c_endianness == endianness &&
c_red_mask == red_mask && c_green_mask == green_mask &&
c_blue_mask == blue_mask && c_alpha_mask == alpha_mask) {
gst_caps_unref (rgb_caps);
*rgba_format = rgba_formats[i].format;
return TRUE;
}
gst_caps_unref (rgb_caps);
}
return FALSE;
}
gboolean
gst_vdp_output_buffer_calculate_size (GstVdpOutputBuffer * output_buf,
guint * size)
{
g_return_val_if_fail (GST_IS_VDP_OUTPUT_BUFFER (output_buf), FALSE);
switch (output_buf->rgba_format) {
case VDP_RGBA_FORMAT_A8:
{
*size = output_buf->width * output_buf->height;
break;
}
case VDP_RGBA_FORMAT_B10G10R10A2:
case VDP_RGBA_FORMAT_B8G8R8A8:
case VDP_RGBA_FORMAT_R10G10B10A2:
case VDP_RGBA_FORMAT_R8G8B8A8:
{
*size = output_buf->width * output_buf->height * 4;
break;
}
default:
return FALSE;
}
return TRUE;
}
gboolean
gst_vdp_output_buffer_download (GstVdpOutputBuffer * output_buf,
GstBuffer * outbuf)
{
guint8 *data[1];
guint32 stride[1];
GstVdpDevice *device;
VdpOutputSurface surface;
VdpStatus status;
g_return_val_if_fail (GST_IS_VDP_OUTPUT_BUFFER (output_buf), FALSE);
switch (output_buf->rgba_format) {
case VDP_RGBA_FORMAT_A8:
{
stride[0] = output_buf->width;
break;
}
case VDP_RGBA_FORMAT_B10G10R10A2:
case VDP_RGBA_FORMAT_B8G8R8A8:
case VDP_RGBA_FORMAT_R10G10B10A2:
case VDP_RGBA_FORMAT_R8G8B8A8:
{
stride[0] = output_buf->width * 4;
break;
}
default:
return FALSE;
}
device = output_buf->device;
surface = output_buf->surface;
data[0] = GST_BUFFER_DATA (outbuf);
GST_LOG_OBJECT (output_buf, "Entering vdp_output_surface_get_bits_native");
status =
device->vdp_output_surface_get_bits_native (surface, NULL, (void *) data,
stride);
GST_LOG_OBJECT (output_buf,
"Got status %d from vdp_output_get_bits_native", status);
if (G_UNLIKELY (status != VDP_STATUS_OK)) {
GST_ERROR_OBJECT (output_buf,
"Couldn't get data from vdpau, Error returned from vdpau was: %s",
device->vdp_get_error_string (status));
return FALSE;
}
return TRUE;
}

View file

@ -35,6 +35,9 @@ struct _GstVdpOutputBuffer {
GstBuffer buffer;
GstVdpDevice *device;
VdpRGBAFormat rgba_format;
gint width, height;
VdpOutputSurface surface;
};
@ -42,7 +45,12 @@ GType gst_vdp_output_buffer_get_type (void);
GstVdpOutputBuffer* gst_vdp_output_buffer_new (GstVdpDevice * device, VdpRGBAFormat rgba_format, gint width, gint height);
GstCaps *gst_vdp_output_buffer_get_template_caps ();
GstCaps *gst_vdp_output_buffer_get_allowed_caps (GstVdpDevice *device);
gboolean gst_vdp_caps_to_rgba_format (GstCaps *caps, VdpRGBAFormat *rgba_format);
gboolean gst_vdp_output_buffer_calculate_size (GstVdpOutputBuffer *output_buf, guint *size);
gboolean gst_vdp_output_buffer_download (GstVdpOutputBuffer *output_buf, GstBuffer *outbuf);
#define GST_VDP_OUTPUT_CAPS \
"video/x-vdpau-output, " \