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gstreamer/sys/d3dvideosink/d3dhelpers.c
Sebastian Dröge 872dc5feb6 d3dvideosink: Rename keep-aspect-ratio to force-aspect-ratio and default to TRUE 
For consistency with other video sinks.
2012-12-22 11:34:43 +01:00

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/* GStreamer
* Copyright (C) 2012 Roland Krikava <info@bluedigits.com>
* Copyright (C) 2010-2011 David Hoyt <dhoyt@hoytsoft.org>
* Copyright (C) 2010 Andoni Morales <ylatuya@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "d3dvideosink.h"
#include "d3dhelpers.h"
/** FWD DECLS **/
static gboolean d3d_hidden_window_thread (GstD3DVideoSinkClass * class);
static gboolean d3d_window_wndproc_set (GstD3DVideoSink * sink);
static void d3d_window_wndproc_unset (GstD3DVideoSink * sink);
static gboolean d3d_init_swap_chain (GstD3DVideoSink * sink, HWND hWnd);
static gboolean d3d_release_swap_chain (GstD3DVideoSink * sink);
static gboolean d3d_resize_swap_chain (GstD3DVideoSink * sink);
static gboolean d3d_present_swap_chain (GstD3DVideoSink * sink);
static gboolean d3d_copy_buffer_to_surface (GstD3DVideoSink * sink,
GstBuffer * buffer);
static gboolean d3d_stretch_and_copy (GstD3DVideoSink * sink,
LPDIRECT3DSURFACE9 back_buffer);
static HWND d3d_create_internal_window (GstD3DVideoSink * sink);
static void d3d_class_notify_device_lost (GstD3DVideoSink * sink);
static LRESULT APIENTRY d3d_wnd_proc_internal (HWND hWnd, UINT message,
WPARAM wParam, LPARAM lParam);
static LRESULT APIENTRY d3d_wnd_proc (HWND hWnd, UINT message, WPARAM wParam,
LPARAM lParam);
GST_DEBUG_CATEGORY_EXTERN (gst_d3dvideosink_debug);
#define GST_CAT_DEFAULT gst_d3dvideosink_debug
static gint WM_D3DVIDEO_NOTIFY_DEVICE_LOST = 0;
#define IDT_DEVICE_RESET_TIMER 0
/** Helpers **/
#define ERROR_CHECK_HR(hr) \
if(hr != S_OK) { \
const gchar * str_err=NULL, *t1=NULL; \
gchar tmp[128]=""; \
switch(hr)
#define CASE_HR_ERR(hr_err) \
case hr_err: str_err = #hr_err; break;
#define CASE_HR_DBG_ERR_END(sink, gst_err_msg, level) \
default: \
t1=gst_err_msg; \
sprintf(tmp, "HR-SEV:%u HR-FAC:%u HR-CODE:%u", (guint)HRESULT_SEVERITY(hr), (guint)HRESULT_FACILITY(hr), (guint)HRESULT_CODE(hr)); \
str_err = tmp; \
} /* end switch */ \
GST_CAT_LEVEL_LOG(GST_CAT_DEFAULT, level, sink, "%s HRESULT: %s", t1?t1:"", str_err);
#define CASE_HR_ERR_END(sink, gst_err_msg) \
CASE_HR_DBG_ERR_END(sink, gst_err_msg, GST_LEVEL_ERROR)
#define CASE_HR_DBG_END(sink, gst_err_msg) \
CASE_HR_DBG_ERR_END(sink, gst_err_msg, GST_LEVEL_DEBUG)
#define CHECK_D3D_DEVICE(class, sink, goto_label) \
if(!class->d3d.d3d || !class->d3d.device.d3d_device) { \
GST_ERROR_OBJECT(sink, "Direct3D device or object does not exist"); \
goto goto_label; \
}
#define CHECK_D3D_SWAPCHAIN(sink, goto_label) \
if(!sink->d3d.swapchain) { \
GST_ERROR_OBJECT(sink, "Direct3D swap chain does not exist"); \
goto goto_label; \
}
#define CHECK_D3D_SURFACE(sink, goto_label) \
if(!sink->d3d.surface) { \
GST_ERROR_OBJECT(sink, "NULL D3D offscreen surface"); \
goto goto_label; \
}
#define CHECK_WINDOW_HANDLE(sink, goto_label, is_error) \
if(!sink->d3d.window_handle) { \
GST_CAT_LEVEL_LOG(GST_CAT_DEFAULT, \
(is_error?GST_LEVEL_ERROR:GST_LEVEL_DEBUG), \
sink, "No window handle is set"); \
goto goto_label; \
}
#ifndef D3DFMT_YV12
#define D3DFMT_YV12 MAKEFOURCC ('Y', 'V', '1', '2')
#endif
#ifndef D3DFMT_NV12
#define D3DFMT_NV12 MAKEFOURCC ('N', 'V', '1', '2')
#endif
#define BIT_MAX(bits) ((1<<bits)-1)
#define _BIT_CONV(val, from_bit, to_bit) ((gdouble)val*(((gdouble)BIT_MAX(to_bit))/((gdouble)BIT_MAX(from_bit))))
#define BIT_CONV(val,from_bit,to_bit) ((from_bit==to_bit)?val:_BIT_CONV(val, from_bit, to_bit))
#define ALPHA 3
#define RED 2
#define GREEN 1
#define BLUE 0
/** FORMATS **/
#define CASE(x) case x: return #x;
static const gchar *
d3d_format2string (D3DFORMAT format)
{
/* Self defined up above */
if (format == D3DFMT_YV12)
return "D3DFMT_YV12";
else if (format == D3DFMT_NV12)
return "D3DFMT_NV12";
switch (format) {
/* From D3D enum */
CASE (D3DFMT_UNKNOWN);
CASE (D3DFMT_X8R8G8B8);
CASE (D3DFMT_YUY2);
CASE (D3DFMT_A8R8G8B8);
CASE (D3DFMT_UYVY);
CASE (D3DFMT_R8G8B8);
CASE (D3DFMT_R5G6B5);
CASE (D3DFMT_X1R5G5B5);
CASE (D3DFMT_A1R5G5B5);
CASE (D3DFMT_A4R4G4B4);
CASE (D3DFMT_R3G3B2);
CASE (D3DFMT_A8);
CASE (D3DFMT_A8R3G3B2);
CASE (D3DFMT_X4R4G4B4);
CASE (D3DFMT_A2B10G10R10);
CASE (D3DFMT_A8B8G8R8);
CASE (D3DFMT_X8B8G8R8);
CASE (D3DFMT_G16R16);
CASE (D3DFMT_A2R10G10B10);
CASE (D3DFMT_A16B16G16R16);
CASE (D3DFMT_A8P8);
CASE (D3DFMT_P8);
CASE (D3DFMT_L8);
CASE (D3DFMT_A8L8);
CASE (D3DFMT_A4L4);
CASE (D3DFMT_V8U8);
CASE (D3DFMT_L6V5U5);
CASE (D3DFMT_X8L8V8U8);
CASE (D3DFMT_Q8W8V8U8);
CASE (D3DFMT_V16U16);
CASE (D3DFMT_A2W10V10U10);
CASE (D3DFMT_DXT1);
CASE (D3DFMT_DXT2);
CASE (D3DFMT_DXT3);
CASE (D3DFMT_DXT4);
CASE (D3DFMT_DXT5);
CASE (D3DFMT_MULTI2_ARGB8);
CASE (D3DFMT_G8R8_G8B8);
CASE (D3DFMT_R8G8_B8G8);
CASE (D3DFMT_D16_LOCKABLE);
CASE (D3DFMT_D32);
CASE (D3DFMT_D15S1);
CASE (D3DFMT_D24S8);
CASE (D3DFMT_D24X8);
CASE (D3DFMT_D24X4S4);
CASE (D3DFMT_D16);
CASE (D3DFMT_L16);
CASE (D3DFMT_D32F_LOCKABLE);
CASE (D3DFMT_D24FS8);
CASE (D3DFMT_VERTEXDATA);
CASE (D3DFMT_INDEX16);
CASE (D3DFMT_INDEX32);
CASE (D3DFMT_Q16W16V16U16);
CASE (D3DFMT_R16F);
CASE (D3DFMT_G16R16F);
CASE (D3DFMT_A16B16G16R16F);
CASE (D3DFMT_R32F);
CASE (D3DFMT_G32R32F);
CASE (D3DFMT_A32B32G32R32F);
CASE (D3DFMT_CxV8U8);
CASE (D3DFMT_FORCE_DWORD);
}
return "";
}
static const gchar *
gst_video_format2string (GstVideoFormat format)
{
switch (format) {
CASE (GST_VIDEO_FORMAT_UNKNOWN);
CASE (GST_VIDEO_FORMAT_ENCODED);
CASE (GST_VIDEO_FORMAT_I420);
CASE (GST_VIDEO_FORMAT_YV12);
CASE (GST_VIDEO_FORMAT_YUY2);
CASE (GST_VIDEO_FORMAT_UYVY);
CASE (GST_VIDEO_FORMAT_AYUV);
CASE (GST_VIDEO_FORMAT_RGBx);
CASE (GST_VIDEO_FORMAT_BGRx);
CASE (GST_VIDEO_FORMAT_xRGB);
CASE (GST_VIDEO_FORMAT_xBGR);
CASE (GST_VIDEO_FORMAT_RGBA);
CASE (GST_VIDEO_FORMAT_BGRA);
CASE (GST_VIDEO_FORMAT_ARGB);
CASE (GST_VIDEO_FORMAT_ABGR);
CASE (GST_VIDEO_FORMAT_RGB);
CASE (GST_VIDEO_FORMAT_BGR);
CASE (GST_VIDEO_FORMAT_Y41B);
CASE (GST_VIDEO_FORMAT_Y42B);
CASE (GST_VIDEO_FORMAT_YVYU);
CASE (GST_VIDEO_FORMAT_Y444);
CASE (GST_VIDEO_FORMAT_v210);
CASE (GST_VIDEO_FORMAT_v216);
CASE (GST_VIDEO_FORMAT_NV12);
CASE (GST_VIDEO_FORMAT_NV21);
CASE (GST_VIDEO_FORMAT_GRAY8);
CASE (GST_VIDEO_FORMAT_GRAY16_BE);
CASE (GST_VIDEO_FORMAT_GRAY16_LE);
CASE (GST_VIDEO_FORMAT_v308);
CASE (GST_VIDEO_FORMAT_RGB16);
CASE (GST_VIDEO_FORMAT_BGR16);
CASE (GST_VIDEO_FORMAT_RGB15);
CASE (GST_VIDEO_FORMAT_BGR15);
CASE (GST_VIDEO_FORMAT_UYVP);
CASE (GST_VIDEO_FORMAT_A420);
CASE (GST_VIDEO_FORMAT_RGB8P);
CASE (GST_VIDEO_FORMAT_YUV9);
CASE (GST_VIDEO_FORMAT_YVU9);
CASE (GST_VIDEO_FORMAT_IYU1);
CASE (GST_VIDEO_FORMAT_ARGB64);
CASE (GST_VIDEO_FORMAT_AYUV64);
CASE (GST_VIDEO_FORMAT_r210);
CASE (GST_VIDEO_FORMAT_I420_10BE);
CASE (GST_VIDEO_FORMAT_I420_10LE);
CASE (GST_VIDEO_FORMAT_I422_10BE);
CASE (GST_VIDEO_FORMAT_I422_10LE);
CASE (GST_VIDEO_FORMAT_Y444_10BE);
CASE (GST_VIDEO_FORMAT_Y444_10LE);
CASE (GST_VIDEO_FORMAT_GBR);
CASE (GST_VIDEO_FORMAT_GBR_10BE);
CASE (GST_VIDEO_FORMAT_GBR_10LE);
}
return "";
}
#undef CASE
static gboolean
gst_video_can_handle_d3d_rgb (D3DFORMAT fmt)
{
switch (fmt) {
case D3DFMT_A8R8G8B8:
case D3DFMT_X8R8G8B8:
case D3DFMT_A8B8G8R8:
case D3DFMT_X8B8G8R8:
case D3DFMT_R8G8B8:
case D3DFMT_R5G6B5:
return TRUE;
/* TODO: */
case D3DFMT_X1R5G5B5:
case D3DFMT_A1R5G5B5:
case D3DFMT_X4R4G4B4:
case D3DFMT_A4R4G4B4:
case D3DFMT_A8R3G3B2:
case D3DFMT_R3G3B2:
default:;
}
return FALSE;
}
static gboolean
gst_video_can_handle_gst_rgb (GstVideoFormat format)
{
switch (format) {
case GST_VIDEO_FORMAT_RGBx:
case GST_VIDEO_FORMAT_BGRx:
case GST_VIDEO_FORMAT_xRGB:
case GST_VIDEO_FORMAT_xBGR:
case GST_VIDEO_FORMAT_RGBA:
case GST_VIDEO_FORMAT_BGRA:
case GST_VIDEO_FORMAT_ARGB:
case GST_VIDEO_FORMAT_ABGR:
case GST_VIDEO_FORMAT_RGB:
case GST_VIDEO_FORMAT_BGR:
case GST_VIDEO_FORMAT_RGB16:
case GST_VIDEO_FORMAT_BGR16:
case GST_VIDEO_FORMAT_RGB15:
case GST_VIDEO_FORMAT_BGR15:
return TRUE;
default:;
}
return FALSE;
}
static D3DFORMAT
gst_rgb_video_format_exact_d3d (GstVideoFormat format, D3DFORMAT * next_choice)
{
D3DFORMAT ret;
g_return_val_if_fail (next_choice != NULL, D3DFMT_UNKNOWN);
/*
* Note: Only 1st choice is an exact match
*/
*next_choice = D3DFMT_UNKNOWN;
ret = D3DFMT_UNKNOWN;
switch (format) {
case GST_VIDEO_FORMAT_BGRx:
*next_choice = D3DFMT_X8B8G8R8;
ret = D3DFMT_X8R8G8B8;
break;
case GST_VIDEO_FORMAT_RGBx:
*next_choice = D3DFMT_X8R8G8B8;
ret = D3DFMT_X8B8G8R8;
break;
case GST_VIDEO_FORMAT_xRGB:
*next_choice = D3DFMT_X8R8G8B8;
break;
case GST_VIDEO_FORMAT_xBGR:
*next_choice = D3DFMT_X8R8G8B8;
break;
case GST_VIDEO_FORMAT_RGBA:
*next_choice = D3DFMT_A8R8G8B8;
ret = D3DFMT_A8B8G8R8;
break;
case GST_VIDEO_FORMAT_BGRA:
*next_choice = D3DFMT_A8B8G8R8;
ret = D3DFMT_A8R8G8B8;
break;
case GST_VIDEO_FORMAT_ARGB:
*next_choice = D3DFMT_A8R8G8B8;
break;
case GST_VIDEO_FORMAT_ABGR:
*next_choice = D3DFMT_A8R8G8B8;
break;
case GST_VIDEO_FORMAT_RGB:
*next_choice = D3DFMT_R8G8B8;
break;
case GST_VIDEO_FORMAT_BGR:
ret = D3DFMT_R8G8B8;
break;
case GST_VIDEO_FORMAT_RGB16:
ret = D3DFMT_R5G6B5;
break;
case GST_VIDEO_FORMAT_BGR16:
*next_choice = D3DFMT_R5G6B5;
break;
default:;
}
return ret;
}
static gboolean
gst_video_d3d_format_check (GstD3DVideoSink * sink, D3DFORMAT fmt)
{
GstD3DVideoSinkClass *class = GST_D3DVIDEOSINK_GET_CLASS (sink);
HRESULT hr;
gboolean ret = FALSE;
hr = IDirect3D9_CheckDeviceFormat (class->d3d.d3d,
class->d3d.device.adapter,
D3DDEVTYPE_HAL, class->d3d.device.format, 0, D3DRTYPE_SURFACE, fmt);
if (hr == D3D_OK) {
/* test whether device can perform color-conversion
** from that format to target format
*/
hr = IDirect3D9_CheckDeviceFormatConversion (class->d3d.d3d,
class->d3d.device.adapter,
D3DDEVTYPE_HAL, fmt, class->d3d.device.format);
if (hr == D3D_OK)
ret = TRUE;
}
//GST_DEBUG_OBJECT(sink, "Checking: %s - %s", d3d_format2string(fmt), ret?"TRUE":"FALSE");
return ret;
}
static D3DFORMAT
gst_video_query_d3d_format (GstD3DVideoSink * sink, GstVideoFormat format,
gboolean * exact)
{
D3DFORMAT ret = D3DFMT_UNKNOWN;
const GstVideoFormatInfo *info;
g_return_val_if_fail (exact != NULL, D3DFMT_UNKNOWN);
*exact = FALSE;
if (!(info = gst_video_format_get_info (format))) {
GST_ERROR_OBJECT (sink, "Failed to get GstVideoFormatInfo for format: %u",
format);
return D3DFMT_UNKNOWN;
}
if (GST_VIDEO_FORMAT_INFO_IS_RGB (info)) {
GstD3DVideoSinkClass *class = GST_D3DVIDEOSINK_GET_CLASS (sink);
D3DFORMAT try1 = D3DFMT_UNKNOWN, try2 = D3DFMT_UNKNOWN;
if (gst_video_can_handle_gst_rgb (format)) {
try1 = gst_rgb_video_format_exact_d3d (format, &try2);
if (try1 != D3DFMT_UNKNOWN && gst_video_d3d_format_check (sink, try1)) {
ret = try1;
*exact = TRUE;
} else if (try2 != D3DFMT_UNKNOWN
&& gst_video_d3d_format_check (sink, try2)) {
ret = try2;
}
/* Fall back to display adapter format */
if (ret == D3DFMT_UNKNOWN) {
if (gst_video_can_handle_d3d_rgb (class->d3d.device.format)) {
ret = class->d3d.device.format;
}
}
}
} else if (GST_VIDEO_FORMAT_INFO_IS_YUV (info)) {
switch (format) {
case GST_VIDEO_FORMAT_YV12:
case GST_VIDEO_FORMAT_I420:
if (gst_video_d3d_format_check (sink, D3DFMT_YV12))
ret = D3DFMT_YV12;
break;
case GST_VIDEO_FORMAT_YUY2:
if (gst_video_d3d_format_check (sink, D3DFMT_YUY2)) {
ret = D3DFMT_YUY2;
}
break;
case GST_VIDEO_FORMAT_UYVY:
if (gst_video_d3d_format_check (sink, D3DFMT_UYVY)) {
ret = D3DFMT_UYVY;
}
break;
case GST_VIDEO_FORMAT_NV12:
if (gst_video_d3d_format_check (sink, D3DFMT_NV12)) {
ret = D3DFMT_NV12;
}
break;
default:;
}
}
return ret;
}
typedef struct
{
GstVideoFormat fmt;
D3DFORMAT d3d_fmt;
gboolean exact;
gboolean display;
} GstFormatComp;
static gint
format_points (GstFormatComp * dat)
{
gint points = 0;
const GstVideoFormatInfo *info;
if (!(info = gst_video_format_get_info (dat->fmt)))
return 0;
if (dat->display)
points += 1;
else if (dat->exact)
points += 2;
if (dat->exact && dat->display)
points += 10;
if (GST_VIDEO_FORMAT_INFO_IS_YUV (info))
points += 5;
else if (GST_VIDEO_FORMAT_INFO_IS_RGB (info)) {
guint i, bit_depth = 0;
for (i = 0; i < GST_VIDEO_FORMAT_INFO_N_COMPONENTS (info); i++)
bit_depth += GST_VIDEO_FORMAT_INFO_DEPTH (info, i);
if (bit_depth >= 24)
points += 1;
}
return points;
}
static gint
format_compare_cb (gconstpointer a, gconstpointer b)
{
gint ptsa = 0, ptsb = 0;
ptsa = format_points ((GstFormatComp *) a);
ptsb = format_points ((GstFormatComp *) b);
if (ptsa < ptsb)
return -1;
else if (ptsa == ptsb)
return 0;
else
return 1;
}
static GstCaps *
d3dvideosink_format_new_template_caps (GstVideoFormat fmt)
{
gchar *tmp = g_strdup_printf ("video/x-raw, "
"format=(string)%s, "
"width=(int)[ 1, 2147483647 ], "
"height=(int)[ 1, 2147483647 ], "
"framerate=(fraction)[ 0/1, 2147483647/1 ]",
gst_video_format_to_string (fmt));
//GST_DEBUG("CAPS: %s", tmp);
return gst_caps_from_string (tmp);
}
GstCaps *
d3d_supported_caps (GstD3DVideoSink * sink)
{
GstD3DVideoSinkClass *class = GST_D3DVIDEOSINK_GET_CLASS (sink);
int i;
gboolean exact;
GList *lst = NULL, *lsto = NULL;
GstCaps *caps = NULL;
D3DFORMAT d3d_format;
gchar *tmp = NULL;
LOCK_SINK (sink);
if (sink->supported_caps) {
caps = gst_caps_ref (sink->supported_caps);
goto unlock;
}
for (i = 0; i <= GST_VIDEO_FORMAT_GBR_10LE; i++) {
GstFormatComp *dat;
d3d_format = gst_video_query_d3d_format (sink, (GstVideoFormat) i, &exact);
if (d3d_format == D3DFMT_UNKNOWN)
continue;
dat = g_new0 (GstFormatComp, 1);
dat->fmt = (GstVideoFormat) i;
dat->d3d_fmt = d3d_format;
dat->exact = exact;
dat->display = (d3d_format == class->d3d.device.format);
lst = g_list_insert_sorted (lst, dat, format_compare_cb);
}
GST_DEBUG_OBJECT (sink, "Supported Caps:");
lsto = lst;
for (lst = g_list_last (lst); lst != NULL; lst = g_list_previous (lst)) {
GstFormatComp *dat = (GstFormatComp *) lst->data;
GST_DEBUG_OBJECT (sink, "%s -> %s %s%s",
gst_video_format2string (dat->fmt), d3d_format2string (dat->d3d_fmt),
dat->exact ? "[exact]" : "", dat->display ? "[display]" : "");
if (!caps)
caps = d3dvideosink_format_new_template_caps (dat->fmt);
else
gst_caps_append (caps, d3dvideosink_format_new_template_caps (dat->fmt));
}
g_list_foreach (lsto, (GFunc) g_free, NULL);
g_list_free (lsto);
sink->supported_caps = gst_caps_ref (caps);
GST_DEBUG_OBJECT (sink, "Supported caps: %s", (tmp =
gst_caps_to_string (caps)));
g_free (tmp);
unlock:
UNLOCK_SINK (sink);
return caps;
}
gboolean
d3d_set_render_format (GstD3DVideoSink * sink)
{
D3DFORMAT fmt;
gboolean exact = FALSE;
gboolean ret = FALSE;
LOCK_SINK (sink);
fmt = gst_video_query_d3d_format (sink, sink->format, &exact);
if (fmt == D3DFMT_UNKNOWN) {
GST_ERROR_OBJECT (sink, "Failed to query a D3D render format for %s",
gst_video_format2string (sink->format));
goto end;
}
GST_DEBUG_OBJECT (sink, "Selected %s -> %s %s",
gst_video_format2string (sink->format), d3d_format2string (fmt),
exact ? "(exact)" : "");
sink->d3d.format = fmt;
sink->d3d.exact_copy = exact;
ret = TRUE;
end:
UNLOCK_SINK (sink);
return ret;
}
static gboolean
d3d_get_hwnd_window_size (HWND hwnd, gint * width, gint * height)
{
RECT sz;
g_return_val_if_fail (width != NULL, FALSE);
g_return_val_if_fail (height != NULL, FALSE);
*width = 0;
*height = 0;
if (!hwnd)
return FALSE;
GetClientRect (hwnd, &sz);
*width = MAX (1, ABS (sz.right - sz.left));
*height = MAX (1, ABS (sz.bottom - sz.top));
return TRUE;
}
static gboolean
d3d_get_render_rects (GstVideoRectangle * rr, RECT * dst, RECT * src)
{
if (!rr)
return FALSE;
/* Rect on target */
if (dst) {
dst->left = rr->x;
dst->top = rr->y;
dst->right = rr->x + rr->w;
dst->bottom = rr->y + rr->h;
}
/* Rect on source */
if (src) {
src->left = 0;
src->top = 0;
src->right = rr->w;
src->bottom = rr->h;
}
return TRUE;
}
static gboolean
d3d_get_render_coordinates (GstD3DVideoSink * sink, gint in_x, gint in_y,
gdouble * out_x, gdouble * out_y)
{
GstVideoRectangle r_area;
gdouble tmp;
gboolean ret = FALSE;
g_return_val_if_fail (out_x != NULL, FALSE);
g_return_val_if_fail (out_y != NULL, FALSE);
LOCK_SINK (sink);
CHECK_WINDOW_HANDLE (sink, end, FALSE);
/* Get renderable area of the window */
if (sink->d3d.render_rect) {
memcpy (&r_area, sink->d3d.render_rect, sizeof (r_area));
} else {
memset (&r_area, 0, sizeof (r_area));
d3d_get_hwnd_window_size (sink->d3d.window_handle, &r_area.w, &r_area.h);
}
/* If window coords outside render area.. return */
if (in_x < r_area.x || in_x > r_area.x + r_area.w ||
in_y < r_area.y || in_y > r_area.y + r_area.h)
goto end;
/* Convert window coordinates to source frame pixel coordinates */
if (sink->force_aspect_ratio) {
GstVideoRectangle tmp = { 0, 0, 0, 0 }
, dst = {
0, 0, 0, 0};
tmp.w = GST_VIDEO_SINK_WIDTH (sink);
tmp.h = GST_VIDEO_SINK_HEIGHT (sink);
gst_video_sink_center_rect (tmp, r_area, &dst, TRUE);
r_area.x = r_area.x + dst.x;
r_area.y = r_area.y + dst.y;
r_area.w = dst.w;
r_area.h = dst.h;
/* If window coords outside render area.. return */
if (in_x < r_area.x || in_x > (r_area.x + r_area.w) ||
in_y < r_area.y || in_y > (r_area.y + r_area.h))
goto end;
}
tmp = in_x - r_area.x;
if (r_area.w == GST_VIDEO_SINK_WIDTH (sink))
*out_x = tmp;
else if (r_area.w > GST_VIDEO_SINK_WIDTH (sink))
*out_x =
((gdouble) tmp / ((gdouble) r_area.w /
(gdouble) GST_VIDEO_SINK_WIDTH (sink)));
else
*out_x =
((gdouble) GST_VIDEO_SINK_WIDTH (sink) / (gdouble) r_area.w) *
(gdouble) tmp;
tmp = in_y - r_area.y;
if (r_area.h == GST_VIDEO_SINK_HEIGHT (sink))
*out_y = tmp;
else if (r_area.h > GST_VIDEO_SINK_HEIGHT (sink))
*out_y =
((gdouble) tmp / ((gdouble) r_area.h /
(gdouble) GST_VIDEO_SINK_HEIGHT (sink)));
else
*out_y =
((gdouble) GST_VIDEO_SINK_HEIGHT (sink) / (gdouble) r_area.h) *
(gdouble) tmp;
ret = TRUE;
end:
UNLOCK_SINK (sink);
return ret;
}
/** Windows for rendering (User Set or Internal) **/
static void
d3d_window_wndproc_unset (GstD3DVideoSink * sink)
{
WNDPROC cur_wnd_proc = NULL;
LOCK_SINK (sink);
GST_DEBUG_OBJECT (sink, " ");
if (sink->d3d.window_handle == NULL) {
GST_WARNING_OBJECT (sink, "D3D window_handle is NULL");
goto end;
}
cur_wnd_proc =
(WNDPROC) GetWindowLongPtr (sink->d3d.window_handle, GWLP_WNDPROC);
if (cur_wnd_proc != d3d_wnd_proc) {
GST_WARNING_OBJECT (sink, "D3D window proc is not set on current window");
goto end;
}
if (sink->d3d.orig_wnd_proc == NULL) {
GST_WARNING_OBJECT (sink, "D3D orig window proc is NULL, can not restore");
goto end;
}
/* Restore orignal WndProc for window_handle */
if (!SetWindowLongPtr (sink->d3d.window_handle, GWLP_WNDPROC,
(LONG_PTR) sink->d3d.orig_wnd_proc)) {
GST_WARNING_OBJECT (sink, "D3D failed to set original WndProc");
goto end;
}
end:
sink->d3d.orig_wnd_proc = NULL;
sink->d3d.window_handle = NULL;
UNLOCK_SINK (sink);
}
static gboolean
d3d_window_wndproc_set (GstD3DVideoSink * sink)
{
WNDPROC cur_wnd_proc;
gboolean ret = FALSE;
LOCK_SINK (sink);
cur_wnd_proc =
(WNDPROC) GetWindowLongPtr (sink->d3d.window_handle, GWLP_WNDPROC);
if (cur_wnd_proc != NULL && cur_wnd_proc == d3d_wnd_proc) {
GST_DEBUG_OBJECT (sink,
"D3D window proc func is already set on the current window");
ret = TRUE;
goto end;
}
/* Store the original window proc function */
sink->d3d.orig_wnd_proc =
(WNDPROC) SetWindowLongPtr (sink->d3d.window_handle, GWLP_WNDPROC,
(LONG_PTR) d3d_wnd_proc);
/* Note: If the window belongs to another process this will fail */
if (sink->d3d.orig_wnd_proc == NULL) {
GST_ERROR_OBJECT (sink,
"Failed to set WndProc function on window. Error: %d",
(gint) GetLastError ());
goto end;
}
/* Make sink accessible to d3d_wnd_proc */
SetProp (sink->d3d.window_handle, TEXT ("GstD3DVideoSink"), sink);
ret = TRUE;
end:
UNLOCK_SINK (sink);
return ret;
}
static void
d3d_prepare_render_window (GstD3DVideoSink * sink)
{
LOCK_SINK (sink);
if (sink->d3d.window_handle == NULL) {
GST_DEBUG_OBJECT (sink, "No window handle has been set..");
goto end;
}
if (d3d_init_swap_chain (sink, sink->d3d.window_handle)) {
d3d_window_wndproc_set (sink);
sink->d3d.renderable = TRUE;
GST_DEBUG_OBJECT (sink, "Prepared window for render [HWND:%p]",
sink->d3d.window_handle);
} else {
GST_ERROR_OBJECT (sink, "Failed preparing window for render [HWND:%p]",
sink->d3d.window_handle);
}
end:
UNLOCK_SINK (sink);
}
void
d3d_set_window_handle (GstD3DVideoSink * sink, guintptr window_id,
gboolean is_internal)
{
LOCK_SINK (sink);
if (sink->d3d.window_handle == (HWND) window_id) {
GST_WARNING_OBJECT (sink, "Window HWND already set to: %u", window_id);
goto end;
}
/* Unset current window */
if (sink->d3d.window_handle != NULL) {
GST_DEBUG_OBJECT (sink, "Unsetting window [HWND:%p]",
sink->d3d.window_handle);
d3d_window_wndproc_unset (sink);
d3d_release_swap_chain (sink);
sink->d3d.window_handle = NULL;
sink->d3d.window_is_internal = FALSE;
sink->d3d.renderable = FALSE;
}
/* Set new one */
if (window_id) {
sink->d3d.window_handle = (HWND) window_id;
sink->d3d.window_is_internal = is_internal;
/* If caps have been set.. prepare window */
if (sink->format != 0)
d3d_prepare_render_window (sink);
}
end:
UNLOCK_SINK (sink);
}
void
d3d_set_render_rectangle (GstD3DVideoSink * sink)
{
LOCK_SINK (sink);
/* Setting the pointer lets us know render rect is set */
sink->d3d.render_rect = &sink->render_rect;
d3d_resize_swap_chain (sink);
d3d_present_swap_chain (sink);
UNLOCK_SINK (sink);
}
void
d3d_expose_window (GstD3DVideoSink * sink)
{
GST_DEBUG_OBJECT (sink, "EXPOSE");
d3d_present_swap_chain (sink);
}
gboolean
d3d_prepare_window (GstD3DVideoSink * sink)
{
HWND hWnd;
gboolean ret = FALSE;
LOCK_SINK (sink);
/* Give the app a last chance to set a window id */
if (!sink->d3d.window_handle)
gst_video_overlay_prepare_window_handle (GST_VIDEO_OVERLAY (sink));
/* If the user did not set a window id .. check if we should create one */
if (!sink->d3d.window_handle) {
if (sink->create_internal_window) {
if ((hWnd = d3d_create_internal_window (sink))) {
GST_DEBUG_OBJECT (sink,
"No window id was set.. creating internal window");
d3d_set_window_handle (sink, (guintptr) hWnd, TRUE);
} else {
GST_ERROR_OBJECT (sink, "Failed to create internal window");
goto end;
}
} else {
GST_DEBUG_OBJECT (sink, "No window id is set..");
goto end;
}
} else {
d3d_prepare_render_window (sink);
}
ret = TRUE;
end:
UNLOCK_SINK (sink);
return ret;
}
gboolean
d3d_stop (GstD3DVideoSink * sink)
{
/* Release D3D resources */
d3d_set_window_handle (sink, 0, FALSE);
return TRUE;
}
/** D3D Lost and Reset Device **/
static void
d3d_notify_device_lost (GstD3DVideoSink * sink)
{
gboolean notify = FALSE;
g_return_if_fail (GST_IS_D3DVIDEOSINK (sink));
LOCK_SINK (sink);
if (!sink->d3d.device_lost) {
GST_WARNING_OBJECT (sink,
"D3D Device has been lost. Cleanup up resources..");
/* Stream will continue with GST_FLOW_OK, until device has been reset */
sink->d3d.device_lost = TRUE;
/* First we clean up all resources in this d3dvideo instance */
d3d_release_swap_chain (sink);
/* Notify our hidden thread */
notify = TRUE;
}
UNLOCK_SINK (sink);
if (notify)
d3d_class_notify_device_lost (sink);
}
static void
d3d_notify_device_reset (GstD3DVideoSink * sink)
{
LOCK_SINK (sink);
if (sink->d3d.device_lost) {
GST_DEBUG_OBJECT (sink,
"D3D Device has been reset. Re-init swap chain if still streaming");
/* If we're still streaming.. reset swap chain */
if (sink->d3d.window_handle != NULL)
d3d_init_swap_chain (sink, sink->d3d.window_handle);
sink->d3d.device_lost = FALSE;
}
UNLOCK_SINK (sink);
}
/** Swap Chains **/
static gboolean
d3d_init_swap_chain (GstD3DVideoSink * sink, HWND hWnd)
{
D3DPRESENT_PARAMETERS present_params;
LPDIRECT3DSWAPCHAIN9 d3d_swapchain = NULL;
LPDIRECT3DSURFACE9 d3d_surface = NULL;
D3DTEXTUREFILTERTYPE d3d_filtertype;
HRESULT hr;
GstD3DVideoSinkClass *class;
gboolean ret = FALSE;
g_return_val_if_fail (sink != NULL, FALSE);
class = GST_D3DVIDEOSINK_GET_CLASS (sink);
g_return_val_if_fail (class != NULL, FALSE);
LOCK_SINK (sink);
LOCK_CLASS (sink, class);
/* We need a display device */
CHECK_D3D_DEVICE (class, sink, error);
GST_DEBUG ("Initializing Direct3D swap chain");
GST_DEBUG ("Direct3D back buffer size: %dx%d", GST_VIDEO_SINK_WIDTH (sink),
GST_VIDEO_SINK_HEIGHT (sink));
/* When windowed, width and height determined by HWND */
ZeroMemory (&present_params, sizeof (present_params));
present_params.Windowed = TRUE;
present_params.SwapEffect = D3DSWAPEFFECT_DISCARD; //D3DSWAPEFFECT_COPY
present_params.hDeviceWindow = hWnd;
present_params.BackBufferFormat = class->d3d.device.format; //d3d_format;
hr = IDirect3DDevice9_CreateAdditionalSwapChain (class->d3d.device.d3d_device,
&present_params, &d3d_swapchain);
ERROR_CHECK_HR (hr) {
CASE_HR_ERR (D3DERR_NOTAVAILABLE);
CASE_HR_ERR (D3DERR_DEVICELOST);
CASE_HR_ERR (D3DERR_INVALIDCALL);
CASE_HR_ERR (D3DERR_OUTOFVIDEOMEMORY);
CASE_HR_ERR (E_OUTOFMEMORY);
CASE_HR_ERR_END (sink, "Error creating D3D swapchian");
goto error;
}
hr = IDirect3DDevice9_CreateOffscreenPlainSurface (class->d3d.
device.d3d_device, GST_VIDEO_SINK_WIDTH (sink),
GST_VIDEO_SINK_HEIGHT (sink), sink->d3d.format, D3DPOOL_DEFAULT,
&d3d_surface, NULL);
if (hr != D3D_OK) {
GST_ERROR_OBJECT (sink, "Failed to create D3D surface");
goto error;
}
/* Determine texture filtering support. If it's supported for this format,
* use the filter type determined when we created the dev and checked the
* dev caps.
*/
hr = IDirect3D9_CheckDeviceFormat (class->d3d.d3d,
class->d3d.device.adapter,
D3DDEVTYPE_HAL,
class->d3d.device.format,
D3DUSAGE_QUERY_FILTER, D3DRTYPE_TEXTURE, sink->d3d.format);
if (hr == D3D_OK)
d3d_filtertype = class->d3d.device.filter_type;
else
d3d_filtertype = D3DTEXF_NONE;
GST_DEBUG ("Direct3D stretch rect texture filter: %d", d3d_filtertype);
sink->d3d.filtertype = d3d_filtertype;
sink->d3d.swapchain = d3d_swapchain;
sink->d3d.surface = d3d_surface;
ret = TRUE;
error:
if (!ret) {
if (d3d_swapchain)
IDirect3DSwapChain9_Release (d3d_swapchain);
if (d3d_surface)
IDirect3DSurface9_Release (d3d_surface);
}
UNLOCK_CLASS (sink, class);
UNLOCK_SINK (sink);
return ret;
}
static gboolean
d3d_release_swap_chain (GstD3DVideoSink * sink)
{
GstD3DVideoSinkClass *class = GST_D3DVIDEOSINK_GET_CLASS (sink);
int ref_count;
gboolean ret = FALSE;
LOCK_SINK (sink);
GST_DEBUG_OBJECT (sink, "Releasing Direct3D swap chain");
CHECK_D3D_DEVICE (class, sink, end);
if (!sink->d3d.swapchain && !sink->d3d.surface) {
ret = TRUE;
goto end;
}
if (sink->d3d.surface) {
ref_count = IDirect3DSurface9_Release (sink->d3d.surface);
if (ref_count > 0)
while (IDirect3DSurface9_Release (sink->d3d.surface) > 0);
sink->d3d.surface = NULL;
GST_DEBUG_OBJECT (sink, "D3D surface released. Ref count: %d", ref_count);
}
if (sink->d3d.swapchain) {
ref_count = IDirect3DSwapChain9_Release (sink->d3d.swapchain);
if (ref_count > 0)
while (IDirect3DSwapChain9_Release (sink->d3d.swapchain) > 0);
sink->d3d.swapchain = NULL;
GST_DEBUG_OBJECT (sink, "D3D swapchain released. Ref count: %d", ref_count);
}
ret = TRUE;
end:
UNLOCK_SINK (sink);
return ret;
}
static gboolean
d3d_resize_swap_chain (GstD3DVideoSink * sink)
{
GstD3DVideoSinkClass *class;
D3DPRESENT_PARAMETERS d3d_pp;
LPDIRECT3DSWAPCHAIN9 swapchain = NULL;
gint w = 0, h = 0, ref_count = 0;
gboolean ret = FALSE;
HRESULT hr;
gboolean need_new = FALSE;
g_return_val_if_fail (sink != NULL, FALSE);
class = GST_D3DVIDEOSINK_GET_CLASS (sink);
g_return_val_if_fail (class != NULL, FALSE);
LOCK_SINK (sink);
if (!sink->d3d.renderable || sink->d3d.device_lost) {
UNLOCK_SINK (sink);
return FALSE;
}
LOCK_CLASS (sink, class);
CHECK_WINDOW_HANDLE (sink, end, FALSE);
CHECK_D3D_DEVICE (class, sink, end);
CHECK_D3D_SWAPCHAIN (sink, end);
d3d_get_hwnd_window_size (sink->d3d.window_handle, &w, &h);
ZeroMemory (&d3d_pp, sizeof (d3d_pp));
/* Get the parameters used to create this swap chain */
hr = IDirect3DSwapChain9_GetPresentParameters (sink->d3d.swapchain, &d3d_pp);
if (hr != D3D_OK) {
GST_ERROR_OBJECT (sink,
"Unable to determine Direct3D present parameters for swap chain");
goto end;
}
/* Reisze needed? */
if (d3d_pp.BackBufferWidth != w || d3d_pp.BackBufferHeight != h)
need_new = TRUE;
#if 0
/* Render rect set or unset? */
if ((d3d_pp.SwapEffect != D3DSWAPEFFECT_COPY && sink->d3d.render_rect) ||
(d3d_pp.SwapEffect != D3DSWAPEFFECT_DISCARD
&& sink->d3d.render_rect == NULL)) {
d3d_pp.SwapEffect =
(sink->d3d.render_rect ==
NULL) ? D3DSWAPEFFECT_DISCARD : D3DSWAPEFFECT_COPY;
GST_DEBUG_OBJECT (sink, "Setting SwapEffect: %s",
sink->d3d.render_rect ? "COPY" : "DISCARD");
need_new = TRUE;
}
#endif
if (!need_new) {
ret = TRUE;
goto end;
}
GST_DEBUG_OBJECT (sink, "Resizing swapchain %dx%d to %dx%d",
d3d_pp.BackBufferWidth, d3d_pp.BackBufferHeight, w, h);
/* As long as present params windowed == TRUE, width or height
* of 0 will force use of HWND's size.
*/
d3d_pp.BackBufferWidth = 0;
d3d_pp.BackBufferHeight = 0;
/* Release current swapchain */
if (sink->d3d.swapchain != NULL) {
ref_count = IDirect3DSwapChain9_Release (sink->d3d.swapchain);
if (ref_count > 0)
while (IDirect3DSwapChain9_Release (sink->d3d.swapchain) > 0);
if (ref_count > 0) {
GST_WARNING_OBJECT (sink, "Release swapchain refcount: %d", ref_count);
}
sink->d3d.swapchain = NULL;
}
hr = IDirect3DDevice9_CreateAdditionalSwapChain (class->d3d.device.d3d_device,
&d3d_pp, &swapchain);
ERROR_CHECK_HR (hr) {
CASE_HR_ERR (D3DERR_NOTAVAILABLE);
CASE_HR_ERR (D3DERR_DEVICELOST);
CASE_HR_ERR (D3DERR_INVALIDCALL);
CASE_HR_ERR (D3DERR_OUTOFVIDEOMEMORY);
CASE_HR_ERR (E_OUTOFMEMORY);
CASE_HR_ERR_END (sink, "Error creating swapchian");
goto end;
}
sink->d3d.swapchain = swapchain;
ret = TRUE;
end:
UNLOCK_CLASS (sink, class);
UNLOCK_SINK (sink);
return ret;
}
static gboolean
d3d_copy_buffer_to_surface (GstD3DVideoSink * sink, GstBuffer * buffer)
{
D3DLOCKED_RECT lr;
guint8 *dest, *source;
int i;
gboolean ret = FALSE;
gint unhdl_line = 0;
GstMapInfo map;
LOCK_SINK (sink);
if (!sink->d3d.renderable || sink->d3d.device_lost)
goto end;
if (!buffer || !gst_buffer_map (buffer, &map, GST_MAP_READ)) {
GST_ERROR_OBJECT (sink, "NULL GstBuffer");
goto end;
}
CHECK_D3D_SURFACE (sink, end);
IDirect3DSurface9_LockRect (sink->d3d.surface, &lr, NULL, 0);
dest = (guint8 *) lr.pBits;
source = map.data;
if (!dest) {
GST_ERROR_OBJECT (sink, "No D3D surface dest buffer");
goto unlock_surface;
}
if (sink->d3d.exact_copy) {
memcpy (dest, source, gst_buffer_get_size (buffer));
goto done;
}
if (GST_VIDEO_INFO_IS_YUV (&sink->info)) {
switch (sink->format) {
case GST_VIDEO_FORMAT_YUY2:
case GST_VIDEO_FORMAT_UYVY:{
int srcstride, dststride;
dststride = lr.Pitch;
srcstride = gst_buffer_get_size (buffer) / GST_VIDEO_SINK_HEIGHT (sink);
for (i = 0; i < GST_VIDEO_SINK_HEIGHT (sink); ++i)
memcpy (dest + dststride * i, source + srcstride * i, srcstride);
break;
}
case GST_VIDEO_FORMAT_YV12:
case GST_VIDEO_FORMAT_I420:{
int srcystride, srcvstride, srcustride;
int dstystride, dstvstride, dstustride;
guint8 *srcv, *srcu, *dstv, *dstu;
int rows;
rows = sink->height;
/* Source y, u and v strides */
srcystride = GST_ROUND_UP_4 (sink->width);
srcustride = GST_ROUND_UP_8 (sink->width) / 2;
srcvstride = GST_ROUND_UP_8 (srcystride) / 2;
/* Destination y, u and v strides */
dstystride = lr.Pitch;
dstustride = dstystride / 2;
dstvstride = dstustride;
srcu = source + srcystride * GST_ROUND_UP_2 (rows);
srcv = srcu + srcustride * GST_ROUND_UP_2 (rows) / 2;
if (sink->format == GST_VIDEO_FORMAT_I420) {
/* swap u and v planes */
dstv = dest + dstystride * rows;
dstu = dstv + dstustride * rows / 2;
} else {
dstu = dest + dstystride * rows;
dstv = dstu + dstustride * rows / 2;
}
for (i = 0; i < rows; ++i) {
/* Copy the y plane */
memcpy (dest + (dstystride * i), source + (srcystride * i),
srcystride);
}
for (i = 0; i < (rows / 2); ++i) {
/* Copy the u plane */
memcpy (dstu + (dstustride * i), srcu + (srcustride * i), srcustride);
/* Copy the v plane */
memcpy (dstv + (dstvstride * i), srcv + (srcvstride * i), srcvstride);
}
goto done;
}
case GST_VIDEO_FORMAT_NV12:{
int srcstride, dststride;
guint8 *dst = dest;
int component;
dststride = lr.Pitch;
for (component = 0; component < 2; component++) {
const int compHeight =
GST_VIDEO_INFO_COMP_HEIGHT (&sink->info, component);
guint8 *src = source + GST_VIDEO_INFO_COMP_OFFSET (&sink->info,
component);
srcstride = GST_VIDEO_INFO_COMP_STRIDE (&sink->info, component);
for (i = 0; i < compHeight; i++) {
memcpy (dst + dststride * i, src + srcstride * i, srcstride);
}
dst += dststride * compHeight;
}
break;
}
default:;
unhdl_line = __LINE__;
goto unhandled_format;
} /* end switch */
} else if (GST_VIDEO_INFO_IS_RGB (&sink->info)) {
for (i = 0; i < sink->height * sink->width; i++) {
guint8 p[4] = { 0, 0, 0, 0 };
/* Input */
switch (sink->fmt_details.bpp) {
case 32:
case 24:{
guint32 *p32 =
(guint32 *) (source + (i * sink->fmt_details.pixel_width));
if (sink->fmt_details.a_shift)
p[ALPHA] =
(*p32 & sink->fmt_details.a_mask) >> sink->fmt_details.a_shift;
p[RED] =
(*p32 & sink->fmt_details.r_mask) >> sink->fmt_details.r_shift;
p[GREEN] =
(*p32 & sink->fmt_details.g_mask) >> sink->fmt_details.g_shift;
p[BLUE] =
(*p32 & sink->fmt_details.b_mask) >> sink->fmt_details.b_shift;
break;
}
case 16:{
guint16 *p16 =
(guint16 *) (source + (i * sink->fmt_details.pixel_width));
if (sink->fmt_details.a_shift)
p[ALPHA] =
(*p16 & sink->fmt_details.a_mask16) >> sink->fmt_details.
a_shift;
p[RED] =
(*p16 & sink->fmt_details.r_mask16) >> sink->fmt_details.r_shift;
p[GREEN] =
(*p16 & sink->fmt_details.g_mask16) >> sink->fmt_details.g_shift;
p[BLUE] =
(*p16 & sink->fmt_details.b_mask16) >> sink->fmt_details.b_shift;
break;
}
default:;
unhdl_line = __LINE__;
goto unhandled_format;
}
/* Output */
switch (sink->d3d.format) {
case D3DFMT_A8R8G8B8:
p[RED] = BIT_CONV (p[RED], sink->fmt_details.r_bits, 8);
p[GREEN] = BIT_CONV (p[GREEN], sink->fmt_details.g_bits, 8);
p[BLUE] = BIT_CONV (p[BLUE], sink->fmt_details.b_bits, 8);
if (sink->fmt_details.a_shift)
p[ALPHA] = BIT_CONV (p[ALPHA], sink->fmt_details.a_bits, 8);
else
p[ALPHA] = 255;
memcpy ((dest + (i * 4)), &p, 4);
break;
case D3DFMT_X8R8G8B8:
p[RED] = BIT_CONV (p[RED], sink->fmt_details.r_bits, 8);
p[GREEN] = BIT_CONV (p[GREEN], sink->fmt_details.g_bits, 8);
p[BLUE] = BIT_CONV (p[BLUE], sink->fmt_details.b_bits, 8);
memcpy ((dest + (i * 4)), &p, 4);
break;
case D3DFMT_A8B8G8R8:
*(dest + (i * 4) + 0) = p[RED];
*(dest + (i * 4) + 1) = p[GREEN];
*(dest + (i * 4) + 2) = p[BLUE];
if (sink->fmt_details.a_shift)
*(dest + (i * 4) + 3) = p[ALPHA];
else
*(dest + (i * 4) + 3) = 255;
break;
case D3DFMT_X8B8G8R8:
*(dest + (i * 4) + 0) = p[RED];
*(dest + (i * 4) + 1) = p[GREEN];
*(dest + (i * 4) + 2) = p[BLUE];
break;
case D3DFMT_R8G8B8:
p[RED] = BIT_CONV (p[RED], sink->fmt_details.r_bits, 8);
p[GREEN] = BIT_CONV (p[GREEN], sink->fmt_details.g_bits, 8);
p[BLUE] = BIT_CONV (p[BLUE], sink->fmt_details.b_bits, 8);
memcpy ((dest + (i * 3)), &p, 3);
break;
case D3DFMT_R5G6B5:{
p[RED] = BIT_CONV (p[RED], sink->fmt_details.r_bits, 5);
p[GREEN] = BIT_CONV (p[GREEN], sink->fmt_details.g_bits, 6);
p[BLUE] = BIT_CONV (p[BLUE], sink->fmt_details.b_bits, 5);
*((guint16 *) (dest + (i * 2))) =
(p[RED] << 11 | p[GREEN] << 5 | p[BLUE]);
break;
}
case D3DFMT_X1R5G5B5:
case D3DFMT_A1R5G5B5:
case D3DFMT_X4R4G4B4:
case D3DFMT_A4R4G4B4:
case D3DFMT_A8R3G3B2:
case D3DFMT_R3G3B2:
//break;
default:
unhdl_line = __LINE__;
goto unhandled_format;
}
} /* end for */
}
/* end if rgb */
goto done;
unhandled_format:
GST_ERROR_OBJECT (sink,
"Unhandled format [LN:%d] '%s' -> '%s' (should not get here)", unhdl_line,
gst_video_format2string (sink->format),
d3d_format2string (sink->d3d.format));
goto unlock_surface;
done:
ret = TRUE;
unlock_surface:
IDirect3DSurface9_UnlockRect (sink->d3d.surface);
end:
UNLOCK_SINK (sink);
return ret;
}
static gboolean
d3d_present_swap_chain (GstD3DVideoSink * sink)
{
GstD3DVideoSinkClass *class = GST_D3DVIDEOSINK_GET_CLASS (sink);
LPDIRECT3DSURFACE9 back_buffer = NULL;
gboolean ret = FALSE;
HRESULT hr;
RECT dstr, srcr, *pDestRect = NULL, *pSrcRect = NULL;
LOCK_SINK (sink);
if (!sink->d3d.renderable || sink->d3d.device_lost) {
UNLOCK_SINK (sink);
return FALSE;
}
LOCK_CLASS (sink, class);
CHECK_WINDOW_HANDLE (sink, end, FALSE);
CHECK_D3D_DEVICE (class, sink, end);
CHECK_D3D_SWAPCHAIN (sink, end);
/* Set the render target to our swap chain */
IDirect3DSwapChain9_GetBackBuffer (sink->d3d.swapchain, 0,
D3DBACKBUFFER_TYPE_MONO, &back_buffer);
IDirect3DDevice9_SetRenderTarget (class->d3d.device.d3d_device, 0,
back_buffer);
IDirect3DSurface9_Release (back_buffer);
/* Clear the target */
IDirect3DDevice9_Clear (class->d3d.device.d3d_device, 0, NULL,
D3DCLEAR_TARGET, D3DCOLOR_XRGB (0, 0, 0), 1.0f, 0);
hr = IDirect3DDevice9_BeginScene (class->d3d.device.d3d_device);
ERROR_CHECK_HR (hr) {
CASE_HR_ERR (D3DERR_INVALIDCALL);
CASE_HR_ERR_END (sink, "IDirect3DDevice9_BeginScene");
goto end;
}
/* Stretch and blit ops, to copy offscreen surface buffer
* to Display back buffer.
*/
d3d_stretch_and_copy (sink, back_buffer);
IDirect3DDevice9_EndScene (class->d3d.device.d3d_device);
if (d3d_get_render_rects (sink->d3d.render_rect, &dstr, &srcr)) {
pDestRect = &dstr;
pSrcRect = &srcr;
}
/*
* Swap back and front buffers on video card and present to the user
*/
hr = IDirect3DSwapChain9_Present (sink->d3d.swapchain, pSrcRect, pDestRect,
NULL, NULL, 0);
if (hr == D3DERR_DEVICELOST) {
d3d_notify_device_lost (sink);
ret = TRUE;
goto end;
}
ERROR_CHECK_HR (hr) {
CASE_HR_ERR (D3DERR_DEVICELOST);
CASE_HR_ERR (D3DERR_DRIVERINTERNALERROR);
CASE_HR_ERR (D3DERR_INVALIDCALL);
CASE_HR_ERR (D3DERR_OUTOFVIDEOMEMORY);
CASE_HR_ERR (E_OUTOFMEMORY);
CASE_HR_DBG_END (sink, "IDirect3DSwapChain9_Present failure");
goto end;
}
ret = TRUE;
end:
UNLOCK_SINK (sink);
UNLOCK_CLASS (sink, class);
return ret;
}
static gboolean
d3d_stretch_and_copy (GstD3DVideoSink * sink, LPDIRECT3DSURFACE9 back_buffer)
{
GstD3DVideoSinkClass *class = GST_D3DVIDEOSINK_GET_CLASS (sink);
GstVideoRectangle *render_rect = NULL;
RECT *r_ptr = NULL;
RECT r;
HRESULT hr;
gboolean ret = FALSE;
LOCK_SINK (sink);
CHECK_WINDOW_HANDLE (sink, end, FALSE);
CHECK_D3D_DEVICE (class, sink, end);
CHECK_D3D_SURFACE (sink, end);
render_rect = sink->d3d.render_rect;
if (sink->force_aspect_ratio) {
gint window_width;
gint window_height;
GstVideoRectangle src;
GstVideoRectangle dst;
GstVideoRectangle result;
memset (&dst, 0, sizeof (dst));
memset (&src, 0, sizeof (src));
/* Set via GstXOverlay set_render_rect */
if (render_rect) {
memcpy (&dst, render_rect, sizeof (dst));
} else {
d3d_get_hwnd_window_size (sink->d3d.window_handle, &window_width,
&window_height);
dst.w = window_width;
dst.h = window_height;
}
src.w = GST_VIDEO_SINK_WIDTH (sink);
src.h = GST_VIDEO_SINK_HEIGHT (sink);
gst_video_sink_center_rect (src, dst, &result, TRUE);
r.left = result.x;
r.top = result.y;
r.right = result.x + result.w;
r.bottom = result.y + result.h;
r_ptr = &r;
} else if (render_rect) {
r.left = 0;
r.top = 0;
r.right = render_rect->w;
r.bottom = render_rect->h;
r_ptr = &r;
}
/* TODO: StretchRect returns error if the dest rect is outside
* the backbuffer area. So we need to calc how much of the src
* surface is being scaled / copied to the render rect..
*/
hr = IDirect3DDevice9_StretchRect (class->d3d.device.d3d_device, sink->d3d.surface, /* Source Surface */
NULL, /* Source Surface Rect (NULL: Whole) */
back_buffer, /* Dest Surface */
r_ptr, /* Dest Surface Rect (NULL: Whole) */
class->d3d.device.filter_type);
if (hr == D3D_OK) {
ret = TRUE;
} else {
GST_ERROR_OBJECT (sink, "Failure calling Direct3DDevice9_StretchRect");
}
end:
UNLOCK_SINK (sink);
return ret;
}
GstFlowReturn
d3d_render_buffer (GstD3DVideoSink * sink, GstBuffer * buf)
{
GstFlowReturn ret = GST_FLOW_OK;
GstMapInfo map;
g_return_val_if_fail (gst_buffer_map (buf, &map, GST_MAP_READ) != FALSE,
GST_FLOW_ERROR);
LOCK_SINK (sink);
if (!sink->d3d.window_handle) {
if (sink->stream_stop_on_close) {
GST_LOG_OBJECT (sink, "Stopping stream. No render window");
ret = GST_FLOW_ERROR;
}
goto end;
}
if (sink->d3d.device_lost) {
GST_LOG_OBJECT (sink, "Device lost, waiting for reset..");
goto end;
}
GST_INFO_OBJECT (sink, "%s %" GST_TIME_FORMAT,
(sink->d3d.window_handle != NULL) ? "Render" : "No Win",
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)));
/* Reize swapchain if needed */
if (!d3d_resize_swap_chain (sink)) {
ret = GST_FLOW_ERROR;
goto end;
}
d3d_copy_buffer_to_surface (sink, buf);
if (!d3d_present_swap_chain (sink)) {
ret = GST_FLOW_ERROR;
goto end;
}
end:
UNLOCK_SINK (sink);
return ret;
}
/** D3D Window Proc Functions **/
static LRESULT APIENTRY
d3d_wnd_proc (HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
GstD3DVideoSink *sink =
(GstD3DVideoSink *) GetProp (hWnd, TEXT ("GstD3DVideoSink"));
WNDPROC proc;
LRESULT ret = 0;
LOCK_SINK (sink);
proc = sink->d3d.orig_wnd_proc;
UNLOCK_SINK (sink);
switch (message) {
case WM_ERASEBKGND:
return TRUE;
case WM_PAINT:{
if (proc)
ret = CallWindowProc (proc, hWnd, message, wParam, lParam);
/* Call this afterwards to ensure that our paint happens last */
d3d_present_swap_chain (sink);
goto end;
}
case WM_SIZE:{
if (proc)
ret = CallWindowProc (proc, hWnd, message, wParam, lParam);
d3d_resize_swap_chain (sink);
goto end;
}
case WM_KEYDOWN:
case WM_KEYUP:
if (sink->enable_navigation_events) {
gunichar2 wcrep[128];
if (GetKeyNameTextW (lParam, (LPWSTR) wcrep, 128)) {
gchar *utfrep = g_utf16_to_utf8 (wcrep, 128, NULL, NULL, NULL);
if (utfrep) {
if (message == WM_KEYDOWN)
gst_navigation_send_key_event (GST_NAVIGATION (sink), "key-press",
utfrep);
else if (message == WM_KEYUP)
gst_navigation_send_key_event (GST_NAVIGATION (sink),
"key-release", utfrep);
g_free (utfrep);
}
}
}
break;
case WM_LBUTTONDOWN:
case WM_LBUTTONUP:
case WM_RBUTTONDOWN:
case WM_RBUTTONUP:
case WM_MBUTTONDOWN:
case WM_MBUTTONUP:
case WM_MOUSEMOVE:{
gdouble x = 0, y = 0;
if (sink->enable_navigation_events
&& d3d_get_render_coordinates (sink, LOWORD (lParam), HIWORD (lParam),
&x, &y)) {
gint button;
const gchar *action = NULL;
switch (message) {
case WM_MOUSEMOVE:
button = 0;
action = "mouse-move";
break;
case WM_LBUTTONDOWN:
button = 1;
action = "mouse-button-press";
break;
case WM_LBUTTONUP:
button = 1;
action = "mouse-button-release";
break;
case WM_RBUTTONDOWN:
button = 2;
action = "mouse-button-press";
break;
case WM_RBUTTONUP:
button = 2;
action = "mouse-button-release";
break;
case WM_MBUTTONDOWN:
button = 3;
action = "mouse-button-press";
break;
case WM_MBUTTONUP:
button = 3;
action = "mouse-button-release";
break;
default:
break;
}
if (action) {
//GST_DEBUG_OBJECT(sink, "%s: %lfx%lf", action, x, y);
gst_navigation_send_mouse_event (GST_NAVIGATION (sink), action,
button, x, y);
}
}
break;
}
case WM_CLOSE:
d3d_set_window_handle (sink, 0, FALSE);
break;
default:
break;
}
if (proc)
ret = CallWindowProc (proc, hWnd, message, wParam, lParam);
else
ret = DefWindowProc (hWnd, message, wParam, lParam);
end:
return ret;
}
/** Internal Window **/
static LRESULT APIENTRY
d3d_wnd_proc_internal (HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
//GstD3DVideoSink * sink = (GstD3DVideoSink*)GetProp(hWnd, TEXT("GstD3DVideoSink"));
switch (message) {
case WM_DESTROY:
GST_DEBUG ("Internal window: WM_DESTROY");
/* Tell the internal window thread to shut down */
PostQuitMessage (0);
GST_DEBUG ("Posted quit..");
break;
}
return DefWindowProc (hWnd, message, wParam, lParam);
}
static HWND
_d3d_create_internal_window (GstD3DVideoSink * sink)
{
GstD3DVideoSinkClass *class = GST_D3DVIDEOSINK_GET_CLASS (sink);
int width, height;
int offx, offy;
DWORD exstyle, style;
HWND video_window;
RECT rect;
int screenwidth;
int screenheight;
/*
* GST_VIDEO_SINK_WIDTH() is the aspect-ratio-corrected size of the video.
* GetSystemMetrics() returns the width of the dialog's border (doubled
* b/c of left and right borders).
*/
width = GST_VIDEO_SINK_WIDTH (sink) + GetSystemMetrics (SM_CXSIZEFRAME) * 2;
height =
GST_VIDEO_SINK_HEIGHT (sink) + GetSystemMetrics (SM_CYCAPTION) +
(GetSystemMetrics (SM_CYSIZEFRAME) * 2);
SystemParametersInfo (SPI_GETWORKAREA, 0, &rect, 0);
screenwidth = rect.right - rect.left;
screenheight = rect.bottom - rect.top;
offx = rect.left;
offy = rect.top;
/* Make it fit into the screen without changing the aspect ratio. */
if (width > screenwidth) {
double ratio = (double) screenwidth / (double) width;
width = screenwidth;
height = (int) (height * ratio);
}
if (height > screenheight) {
double ratio = (double) screenheight / (double) height;
height = screenheight;
width = (int) (width * ratio);
}
style = WS_OVERLAPPEDWINDOW; /* Normal top-level window */
exstyle = 0;
video_window = CreateWindowEx (exstyle,
class->d3d.wnd_class.lpszClassName,
TEXT ("GStreamer D3D video sink (internal window)"),
style, offx, offy, width, height,
NULL, NULL, class->d3d.wnd_class.hInstance, sink);
if (video_window == NULL) {
GST_ERROR_OBJECT (sink, "Failed to create internal window: %lu",
GetLastError ());
return NULL;
}
/* Now show the window, as appropriate */
ShowWindow (video_window, SW_SHOWNORMAL);
/* Trigger the initial paint of the window */
UpdateWindow (video_window);
return video_window;
}
typedef struct
{
GstD3DVideoSink *sink;
gboolean running;
HWND hWnd;
} D3DInternalWindowDat;
static gpointer
d3d_internal_window_thread (D3DInternalWindowDat * dat)
{
GstD3DVideoSink *sink;
HWND hWnd;
MSG msg;
g_return_val_if_fail (dat != NULL, NULL);
sink = dat->sink;
GST_DEBUG_OBJECT (sink, "Entering internal window thread: %p",
g_thread_self ());
/* Create internal window */
hWnd = _d3d_create_internal_window (sink);
if (!hWnd) {
GST_ERROR_OBJECT (sink, "Failed to create internal window");
goto end;
}
dat->hWnd = hWnd;
dat->running = TRUE;
/*
* Internal window message loop
*/
while (GetMessage (&msg, NULL, 0, 0)) {
TranslateMessage (&msg);
DispatchMessage (&msg);
}
end:
GST_DEBUG_OBJECT (sink, "Exiting internal window thread: %p",
g_thread_self ());
return NULL;
}
static HWND
d3d_create_internal_window (GstD3DVideoSink * sink)
{
GThread *thread;
D3DInternalWindowDat dat;
gulong timeout_interval = 10000; /* 10 ms interval */
gulong intervals = (10000000 / timeout_interval); /* 10 secs */
gulong i;
dat.sink = sink;
dat.running = FALSE;
dat.hWnd = 0;
thread =
g_thread_create ((GThreadFunc) d3d_internal_window_thread, &dat, TRUE,
NULL);
if (!thread) {
GST_ERROR ("Failed to created internal window thread");
return 0;
}
/* Wait 10 seconds for window proc loop to start up */
for (i = 0; dat.running == FALSE && i < intervals; i++) {
g_usleep (timeout_interval);
}
GST_DEBUG_OBJECT (sink, "Created window: %p (intervals: %ul)", dat.hWnd, i);
return dat.hWnd;
}
/*** D3D Video Class Methdos ***/
gboolean
d3d_class_init (GstD3DVideoSink * sink)
{
GstD3DVideoSinkClass *class = GST_D3DVIDEOSINK_GET_CLASS (sink);
gulong timeout_interval = 10000; /* 10 ms interval */
gulong intervals = (10000000 / timeout_interval); /* 10 secs */
gboolean ret = FALSE;
gulong i;
g_return_val_if_fail (class != NULL, FALSE);
LOCK_CLASS (sink, class);
class->d3d.refs += 1;
GST_DEBUG ("D3D class init [refs:%u]", class->d3d.refs);
class->d3d.sink_list = g_list_append (class->d3d.sink_list, sink);
if (class->d3d.refs > 1)
goto end;
WM_D3DVIDEO_NOTIFY_DEVICE_LOST =
RegisterWindowMessage ("WM_D3DVIDEO_NOTIFY_DEVICE_LOST");
class->d3d.d3d = Direct3DCreate9 (D3D_SDK_VERSION);
if (!class->d3d.d3d) {
GST_ERROR ("Unable to create Direct3D interface");
goto error;
}
/* Register Window Class for internal Windows */
memset (&class->d3d.wnd_class, 0, sizeof (WNDCLASS));
class->d3d.wnd_class.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
class->d3d.wnd_class.hInstance = GetModuleHandle (NULL);
class->d3d.wnd_class.lpszClassName = TEXT ("GstD3DVideoSinkInternalWindow");
class->d3d.wnd_class.hbrBackground = (HBRUSH) GetStockObject (BLACK_BRUSH);
class->d3d.wnd_class.hCursor = LoadCursor (NULL, IDC_ARROW);
class->d3d.wnd_class.hIcon = LoadIcon (NULL, IDI_APPLICATION);
class->d3d.wnd_class.cbClsExtra = 0;
class->d3d.wnd_class.cbWndExtra = 0;
class->d3d.wnd_class.lpfnWndProc = d3d_wnd_proc_internal;
if (RegisterClass (&class->d3d.wnd_class) == 0) {
GST_ERROR ("Failed to register window class: %lu", GetLastError ());
goto error;
}
class->d3d.running = FALSE;
class->d3d.error_exit = FALSE;
UNLOCK_CLASS (sink, class);
class->d3d.thread =
g_thread_create ((GThreadFunc) d3d_hidden_window_thread, class, TRUE,
NULL);
LOCK_CLASS (sink, class);
if (!class->d3d.thread) {
GST_ERROR ("Failed to created hidden window thread");
goto error;
}
UNLOCK_CLASS (sink, class);
/* Wait 10 seconds for window proc loop to start up */
for (i = 0; class->d3d.running == FALSE && i < intervals; i++) {
g_usleep (timeout_interval);
}
LOCK_CLASS (sink, class);
if (class->d3d.error_exit)
goto error;
if (!class->d3d.running) {
GST_ERROR ("Waited %lu ms, window proc loop has not started",
(timeout_interval * intervals) / 1000);
goto error;
}
GST_DEBUG ("Hidden window message loop is running..");
end:
ret = TRUE;
error:
UNLOCK_CLASS (sink, class);
if (!ret)
d3d_class_destroy (sink);
return ret;
}
void
d3d_class_destroy (GstD3DVideoSink * sink)
{
GstD3DVideoSinkClass *class = GST_D3DVIDEOSINK_GET_CLASS (sink);
g_return_if_fail (class != NULL);
LOCK_CLASS (sink, class);
class->d3d.refs -= 1;
GST_DEBUG ("D3D class destroy [refs:%u]", class->d3d.refs);
class->d3d.sink_list = g_list_remove (class->d3d.sink_list, sink);
if (class->d3d.refs >= 1)
goto end;
UNLOCK_CLASS (sink, class);
if (class->d3d.running) {
GST_DEBUG ("Shutting down window proc thread, waiting to join..");
PostMessage (class->d3d.hidden_window, WM_QUIT, 0, 0);
g_thread_join (class->d3d.thread);
GST_DEBUG ("Joined..");
}
LOCK_CLASS (sink, class);
if (class->d3d.d3d) {
int ref_count;
ref_count = IDirect3D9_Release (class->d3d.d3d);
GST_DEBUG ("Direct3D object released. Reference count: %d", ref_count);
}
UnregisterClass (class->d3d.wnd_class.lpszClassName,
class->d3d.wnd_class.hInstance);
g_list_free (class->d3d.sink_list);
memset (&class->d3d, 0, sizeof (GstD3DDataClass));
end:
UNLOCK_CLASS (sink, class);
}
static gboolean
d3d_class_display_device_create (GstD3DVideoSinkClass * class, UINT adapter)
{
LPDIRECT3D9 d3d;
GstD3DDisplayDevice *device;
HWND hwnd;
D3DCAPS9 caps;
D3DDISPLAYMODE disp_mode;
DWORD create_mask = 0;
HRESULT hr;
gboolean ret = FALSE;
g_return_val_if_fail (class != NULL, FALSE);
GST_DEBUG (" ");
LOCK_CLASS (NULL, class);
d3d = class->d3d.d3d;
device = &class->d3d.device;
hwnd = class->d3d.hidden_window;
memset (&caps, 0, sizeof (caps));
memset (&disp_mode, 0, sizeof (disp_mode));
memset (&device->present_params, 0, sizeof (device->present_params));
device->adapter = adapter;
if (IDirect3D9_GetAdapterDisplayMode (d3d, adapter, &disp_mode) != D3D_OK) {
GST_ERROR ("Unable to request adapter[%u] display mode", adapter);
goto error;
}
if (IDirect3D9_GetDeviceCaps (d3d, adapter, D3DDEVTYPE_HAL, &caps) != D3D_OK) {
GST_ERROR ("Unable to request adapter[%u] device caps", adapter);
goto error;
}
/* Ask DirectX to please not clobber the FPU state when making DirectX
* API calls. This can cause libraries such as cairo to misbehave in
* certain scenarios.
*/
create_mask = 0 | D3DCREATE_FPU_PRESERVE;
/* Determine vertex processing capabilities. Some cards have issues
* using software vertex processing. Courtesy:
* http://www.chadvernon.com/blog/resources/directx9/improved-direct3d-initialization/
*/
if ((caps.DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT) ==
D3DDEVCAPS_HWTRANSFORMANDLIGHT) {
create_mask |= D3DCREATE_HARDWARE_VERTEXPROCESSING;
/* if ((d3dcaps.DevCaps & D3DDEVCAPS_PUREDEVICE) == D3DDEVCAPS_PUREDEVICE) */
/* d3dcreate |= D3DCREATE_PUREDEVICE; */
} else {
create_mask |= D3DCREATE_SOFTWARE_VERTEXPROCESSING;
}
/* Check the filter type. */
if ((caps.StretchRectFilterCaps & D3DPTFILTERCAPS_MINFLINEAR) ==
D3DPTFILTERCAPS_MINFLINEAR
&& (caps.StretchRectFilterCaps & D3DPTFILTERCAPS_MAGFLINEAR) ==
D3DPTFILTERCAPS_MAGFLINEAR) {
device->filter_type = D3DTEXF_LINEAR;
} else {
device->filter_type = D3DTEXF_NONE;
}
/* Setup the display mode format. */
device->format = disp_mode.Format;
//present_params.Flags = D3DPRESENTFLAG_VIDEO;
device->present_params.Windowed = TRUE;
device->present_params.SwapEffect = D3DSWAPEFFECT_DISCARD;
device->present_params.BackBufferCount = 1;
device->present_params.BackBufferFormat = device->format;
device->present_params.BackBufferWidth = 1;
device->present_params.BackBufferHeight = 1;
device->present_params.MultiSampleType = D3DMULTISAMPLE_NONE;
device->present_params.PresentationInterval = D3DPRESENT_INTERVAL_DEFAULT; //D3DPRESENT_INTERVAL_IMMEDIATE;
GST_DEBUG ("Creating Direct3D device for hidden window %p", NULL); //shared.hidden_window_handle);
if ((hr = IDirect3D9_CreateDevice (d3d, adapter, D3DDEVTYPE_HAL, hwnd,
create_mask, &device->present_params,
&device->d3d_device)) != D3D_OK) {
GST_ERROR ("Unable to create Direct3D device. Result: %ld (0x%lx)", hr, hr);
goto error;
}
GST_DEBUG ("Display Device format: %s", d3d_format2string (disp_mode.Format));
ret = TRUE;
goto end;
error:
memset (device, 0, sizeof (GstD3DDisplayDevice));
end:
UNLOCK_CLASS (NULL, class);
return ret;
}
static void
d3d_class_display_device_destroy (GstD3DVideoSinkClass * class)
{
g_return_if_fail (class != NULL);
LOCK_CLASS (NULL, class);
if (class->d3d.device.d3d_device) {
int ref_count;
ref_count = IDirect3DDevice9_Release (class->d3d.device.d3d_device);
GST_DEBUG ("Direct3D device [adapter:%u] released. Reference count: %d",
class->d3d.device.adapter, ref_count);
}
memset (&class->d3d.device, 0, sizeof (GstD3DDisplayDevice));
UNLOCK_CLASS (NULL, class);
}
static void
d3d_class_notify_device_lost (GstD3DVideoSink * sink)
{
GstD3DVideoSinkClass *class = GST_D3DVIDEOSINK_GET_CLASS (sink);
PostMessage (class->d3d.hidden_window, WM_D3DVIDEO_NOTIFY_DEVICE_LOST, 0, 0);
}
static void
d3d_class_notify_device_lost_all (GstD3DVideoSinkClass * class)
{
g_return_if_fail (class != NULL);
LOCK_CLASS (NULL, class);
if (!class->d3d.device_lost) {
GList *lst, *clst;
class->d3d.device_lost = TRUE;
GST_DEBUG ("Notifying all instances of device loss");
clst = g_list_copy (class->d3d.sink_list);
UNLOCK_CLASS (NULL, class);
for (lst = clst; lst != NULL; lst = lst->next) {
GstD3DVideoSink *sink = (GstD3DVideoSink *) lst->data;
if (!sink)
continue;
d3d_notify_device_lost (sink);
}
g_list_free (clst);
LOCK_CLASS (NULL, class);
/* Set timer to try reset at given interval */
SetTimer (class->d3d.hidden_window, IDT_DEVICE_RESET_TIMER, 500, NULL);
}
UNLOCK_CLASS (NULL, class);
}
static void
d3d_class_reset_display_device (GstD3DVideoSinkClass * class)
{
HRESULT hr;
g_return_if_fail (class != NULL);
LOCK_CLASS (NULL, class);
hr = IDirect3DDevice9_Reset (class->d3d.device.d3d_device,
&class->d3d.device.present_params);
ERROR_CHECK_HR (hr) {
CASE_HR_ERR (D3DERR_DEVICELOST);
CASE_HR_ERR (D3DERR_DEVICEREMOVED);
CASE_HR_ERR (D3DERR_DRIVERINTERNALERROR);
CASE_HR_ERR (D3DERR_OUTOFVIDEOMEMORY);
CASE_HR_DBG_END (NULL, "Attempt device reset.. failed");
goto end;
}
GST_INFO ("Attempt device reset.. success");
class->d3d.device_lost = FALSE;
KillTimer (class->d3d.hidden_window, IDT_DEVICE_RESET_TIMER);
g_list_foreach (class->d3d.sink_list, (GFunc) d3d_notify_device_reset, NULL);
end:;
UNLOCK_CLASS (NULL, class);
}
/** Hidden Window Loop Thread **/
static LRESULT APIENTRY
D3DHiddenWndProc (HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message) {
case WM_TIMER:
switch (wParam) {
case IDT_DEVICE_RESET_TIMER:
d3d_class_reset_display_device ((GstD3DVideoSinkClass *)
GetWindowLongPtr (hWnd, GWLP_USERDATA));
break;
default:;
}
return 0;
case WM_DESTROY:
PostQuitMessage (0);
return 0;
default:
/* non constants */
if (message == WM_D3DVIDEO_NOTIFY_DEVICE_LOST) {
d3d_class_notify_device_lost_all ((GstD3DVideoSinkClass *)
GetWindowLongPtr (hWnd, GWLP_USERDATA));
return 0;
}
}
return DefWindowProc (hWnd, message, wParam, lParam);
}
static gboolean
d3d_hidden_window_thread (GstD3DVideoSinkClass * class)
{
WNDCLASS WndClass;
gboolean reged = FALSE;
HWND hWnd = 0;
gboolean ret = FALSE;
g_return_val_if_fail (class != NULL, FALSE);
memset (&WndClass, 0, sizeof (WNDCLASS));
WndClass.hInstance = GetModuleHandle (NULL);
WndClass.lpszClassName = TEXT ("gstd3dvideo-hidden-window-class");
WndClass.lpfnWndProc = D3DHiddenWndProc;
if (!RegisterClass (&WndClass)) {
GST_ERROR ("Unable to register Direct3D hidden window class");
goto error;
}
reged = TRUE;
hWnd = CreateWindowEx (0,
WndClass.lpszClassName,
TEXT ("GStreamer Direct3D hidden window"),
WS_POPUP, 0, 0, 1, 1, HWND_MESSAGE, NULL, WndClass.hInstance, class);
if (hWnd == NULL) {
GST_ERROR ("Failed to create Direct3D hidden window");
goto error;
}
GST_DEBUG ("Direct3D hidden window handle: %p", hWnd);
class->d3d.hidden_window = hWnd;
/* TODO: Multi-monitor setup? */
if (!d3d_class_display_device_create (class, D3DADAPTER_DEFAULT)) {
GST_ERROR ("Failed to initiazlize adapter: %u", D3DADAPTER_DEFAULT);
goto error;
}
/* Attach data to window */
SetWindowLongPtr (hWnd, GWLP_USERDATA, (LONG_PTR) class);
GST_DEBUG ("Entering Direct3D hidden window message loop");
class->d3d.running = TRUE;
/* Hidden Window Message Loop */
while (1) {
MSG msg;
while (GetMessage (&msg, NULL, 0, 0)) {
TranslateMessage (&msg);
DispatchMessage (&msg);
}
if (msg.message == WM_QUIT || msg.message == WM_CLOSE)
break;
}
class->d3d.running = FALSE;
GST_DEBUG ("Leaving Direct3D hidden window message loop");
ret = TRUE;
error:
if (!ret)
class->d3d.error_exit = TRUE;
if (reged)
UnregisterClass (WndClass.lpszClassName, WndClass.hInstance);
if (hWnd) {
DestroyWindow (hWnd);
class->d3d.hidden_window = 0;
}
d3d_class_display_device_destroy (class);
return ret;
}
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