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gstreamer/sys/d3dvideosink/d3dhelpers.c

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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>
* Copyright (C) 2012 Sebastian Dröge <sebastian.droege@collabora.co.uk>
*
* 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"
#include "gstd3d9overlay.h"
#include <stdio.h>
typedef enum
{
WINDOW_VISIBILITY_FULL = 1,
WINDOW_VISIBILITY_PARTIAL = 2,
WINDOW_VISIBILITY_HIDDEN = 3,
WINDOW_VISIBILITY_ERROR = 4
} WindowHandleVisibility;
/* FWD DECLS */
static gboolean d3d_hidden_window_thread (GstD3DVideoSinkClass * klass);
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 (GstD3DVideoSink * sink,
GstBuffer * from, GstBuffer * to);
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 void d3d_class_display_device_destroy (GstD3DVideoSinkClass * klass);
static gboolean d3d_class_display_device_create (GstD3DVideoSinkClass * klass,
UINT adapter);
static void d3d_class_hidden_window_message_queue (gpointer data,
gpointer user_data);
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
#define WM_QUIT_THREAD WM_USER+0
typedef struct
{
gint window_message_id;
guint create_count;
} GstD3DVideoSinkEvent;
/* 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_REF_COUNT(klass, sink, goto_label) \
if(!klass->d3d.refs) { \
GST_ERROR_OBJECT(sink, "Direct3D object ref count = 0"); \
goto goto_label; \
}
#define CHECK_D3D_DEVICE(klass, sink, goto_label) \
if(!klass->d3d.d3d || !klass->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
/* FORMATS */
#define CASE(x) case x: return #x;
static const gchar *
d3d_format_to_string (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);
default:
break;
}
return "UNKNOWN";
}
#undef CASE
static const struct
{
GstVideoFormat gst_format;
D3DFORMAT d3d_format;
} gst_d3d_format_map[] = {
{
GST_VIDEO_FORMAT_BGRx, D3DFMT_X8R8G8B8}, {
GST_VIDEO_FORMAT_RGBx, D3DFMT_X8B8G8R8}, {
GST_VIDEO_FORMAT_BGRA, D3DFMT_A8R8G8B8}, {
GST_VIDEO_FORMAT_RGBA, D3DFMT_A8B8G8R8}, {
GST_VIDEO_FORMAT_BGR, D3DFMT_R8G8B8}, {
GST_VIDEO_FORMAT_RGB16, D3DFMT_R5G6B5}, {
GST_VIDEO_FORMAT_RGB15, D3DFMT_X1R5G5B5}, {
GST_VIDEO_FORMAT_I420, D3DFMT_YV12}, {
GST_VIDEO_FORMAT_YV12, D3DFMT_YV12}, {
GST_VIDEO_FORMAT_NV12, D3DFMT_NV12}, {
GST_VIDEO_FORMAT_YUY2, D3DFMT_YUY2}, {
GST_VIDEO_FORMAT_UYVY, D3DFMT_UYVY}
};
static D3DFORMAT
gst_video_format_to_d3d_format (GstVideoFormat format)
{
gint i;
for (i = 0; i < G_N_ELEMENTS (gst_d3d_format_map); i++)
if (gst_d3d_format_map[i].gst_format == format)
return gst_d3d_format_map[i].d3d_format;
return D3DFMT_UNKNOWN;
}
static gboolean
gst_video_d3d_format_check (GstD3DVideoSinkClass * klass, D3DFORMAT fmt)
{
HRESULT hr;
gboolean ret = FALSE;
LOCK_CLASS (NULL, klass);
CHECK_REF_COUNT (klass, NULL, end);
hr = IDirect3D9_CheckDeviceFormat (klass->d3d.d3d,
klass->d3d.device.adapter,
D3DDEVTYPE_HAL, klass->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 (klass->d3d.d3d,
klass->d3d.device.adapter,
D3DDEVTYPE_HAL, fmt, klass->d3d.device.format);
if (hr == D3D_OK)
ret = TRUE;
}
GST_DEBUG ("Checking: %s - %s", d3d_format_to_string (fmt),
ret ? "TRUE" : "FALSE");
end:
UNLOCK_CLASS (NULL, klass);
return ret;
}
static gboolean
gst_video_query_d3d_format (GstD3DVideoSinkClass * klass, D3DFORMAT d3dformat)
{
gboolean ret = FALSE;
LOCK_CLASS (NULL, klass);
CHECK_REF_COUNT (klass, NULL, end);
/* If it's the display adapter format we don't need to probe */
if (d3dformat == klass->d3d.device.format) {
ret = TRUE;
goto end;
}
ret = gst_video_d3d_format_check (klass, d3dformat);
end:
UNLOCK_CLASS (NULL, klass);
return ret;
}
typedef struct
{
GstVideoFormat fmt;
D3DFORMAT d3d_fmt;
gboolean display;
} D3DFormatComp;
static void
d3d_format_comp_free (D3DFormatComp * comp)
{
g_slice_free (D3DFormatComp, comp);
}
static gint
d3d_format_comp_rate (const D3DFormatComp * comp)
{
gint points = 0;
const GstVideoFormatInfo *info;
info = gst_video_format_get_info (comp->fmt);
if (comp->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
d3d_format_comp_compare (gconstpointer a, gconstpointer b)
{
gint ptsa = 0, ptsb = 0;
ptsa = d3d_format_comp_rate ((const D3DFormatComp *) a);
ptsb = d3d_format_comp_rate ((const D3DFormatComp *) b);
if (ptsa < ptsb)
return -1;
else if (ptsa == ptsb)
return 0;
else
return 1;
}
#define GST_D3D_SURFACE_MEMORY_NAME "D3DSurface"
typedef struct
{
GstMemory mem;
GstD3DVideoSink *sink;
GMutex lock;
gint map_count;
LPDIRECT3DSURFACE9 surface;
D3DLOCKED_RECT lr;
gint x, y, width, height;
} GstD3DSurfaceMemory;
static GstMemory *
gst_d3d_surface_memory_allocator_alloc (GstAllocator * allocator, gsize size,
GstAllocationParams * params)
{
g_assert_not_reached ();
return NULL;
}
static void
gst_d3d_surface_memory_allocator_free (GstAllocator * allocator,
GstMemory * mem)
{
GstD3DSurfaceMemory *dmem = (GstD3DSurfaceMemory *) mem;
/* If this is a sub-memory, do nothing */
if (mem->parent)
return;
if (dmem->lr.pBits)
g_warning ("d3dvideosink: Freeing memory that is still mapped");
IDirect3DSurface9_Release (dmem->surface);
gst_object_unref (dmem->sink);
g_mutex_clear (&dmem->lock);
g_slice_free (GstD3DSurfaceMemory, dmem);
}
static gpointer
gst_d3d_surface_memory_map (GstMemory * mem, gsize maxsize, GstMapFlags flags)
{
GstD3DSurfaceMemory *parent;
gpointer ret = NULL;
/* find the real parent */
if ((parent = (GstD3DSurfaceMemory *) mem->parent) == NULL)
parent = (GstD3DSurfaceMemory *) mem;
g_mutex_lock (&parent->lock);
if (!parent->map_count
&& IDirect3DSurface9_LockRect (parent->surface, &parent->lr, NULL,
0) != D3D_OK) {
ret = NULL;
goto done;
}
ret = parent->lr.pBits;
parent->map_count++;
done:
g_mutex_unlock (&parent->lock);
return ret;
}
static void
gst_d3d_surface_memory_unmap (GstMemory * mem)
{
GstD3DSurfaceMemory *parent;
/* find the real parent */
if ((parent = (GstD3DSurfaceMemory *) mem->parent) == NULL)
parent = (GstD3DSurfaceMemory *) mem;
g_mutex_lock (&parent->lock);
parent->map_count--;
if (parent->map_count == 0) {
IDirect3DSurface9_UnlockRect (parent->surface);
memset (&parent->lr, 0, sizeof (parent->lr));
}
g_mutex_unlock (&parent->lock);
}
static GstMemory *
gst_d3d_surface_memory_share (GstMemory * mem, gssize offset, gssize size)
{
GstD3DSurfaceMemory *sub;
GstD3DSurfaceMemory *parent;
/* find the real parent */
if ((parent = (GstD3DSurfaceMemory *) mem->parent) == NULL)
parent = (GstD3DSurfaceMemory *) mem;
if (size == -1)
size = mem->size - offset;
sub = g_slice_new0 (GstD3DSurfaceMemory);
/* the shared memory is always readonly */
gst_memory_init (GST_MEMORY_CAST (sub), GST_MINI_OBJECT_FLAGS (parent) |
GST_MINI_OBJECT_FLAG_LOCK_READONLY, mem->allocator,
GST_MEMORY_CAST (parent), mem->maxsize, mem->align, mem->offset + offset,
size);
return GST_MEMORY_CAST (sub);
}
typedef struct
{
GstAllocator parent;
} GstD3DSurfaceMemoryAllocator;
typedef struct
{
GstAllocatorClass parent_class;
} GstD3DSurfaceMemoryAllocatorClass;
GType gst_d3d_surface_memory_allocator_get_type (void);
G_DEFINE_TYPE (GstD3DSurfaceMemoryAllocator, gst_d3d_surface_memory_allocator,
GST_TYPE_ALLOCATOR);
#define GST_TYPE_D3D_SURFACE_MEMORY_ALLOCATOR (gst_d3d_surface_memory_allocator_get_type())
#define GST_IS_D3D_SURFACE_MEMORY_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_D3D_SURFACE_MEMORY_ALLOCATOR))
static void
gst_d3d_surface_memory_allocator_class_init (GstD3DSurfaceMemoryAllocatorClass *
klass)
{
GstAllocatorClass *allocator_class;
allocator_class = (GstAllocatorClass *) klass;
allocator_class->alloc = gst_d3d_surface_memory_allocator_alloc;
allocator_class->free = gst_d3d_surface_memory_allocator_free;
}
static void
gst_d3d_surface_memory_allocator_init (GstD3DSurfaceMemoryAllocator * allocator)
{
GstAllocator *alloc = GST_ALLOCATOR_CAST (allocator);
alloc->mem_type = GST_D3D_SURFACE_MEMORY_NAME;
alloc->mem_map = gst_d3d_surface_memory_map;
alloc->mem_unmap = gst_d3d_surface_memory_unmap;
alloc->mem_share = gst_d3d_surface_memory_share;
/* fallback copy */
GST_OBJECT_FLAG_SET (allocator, GST_ALLOCATOR_FLAG_CUSTOM_ALLOC);
}
G_DEFINE_TYPE (GstD3DSurfaceBufferPool, gst_d3dsurface_buffer_pool,
GST_TYPE_VIDEO_BUFFER_POOL);
GstBufferPool *
gst_d3dsurface_buffer_pool_new (GstD3DVideoSink * sink)
{
GstD3DSurfaceBufferPool *pool;
pool = g_object_new (GST_TYPE_D3DSURFACE_BUFFER_POOL, NULL);
gst_object_ref_sink (pool);
pool->sink = gst_object_ref (sink);
GST_LOG_OBJECT (pool, "new buffer pool %p", pool);
return GST_BUFFER_POOL_CAST (pool);
}
static void
gst_d3dsurface_buffer_pool_finalize (GObject * object)
{
GstD3DSurfaceBufferPool *pool = GST_D3DSURFACE_BUFFER_POOL_CAST (object);
GST_LOG_OBJECT (pool, "finalize buffer pool %p", pool);
gst_object_unref (pool->sink);
if (pool->allocator)
gst_object_unref (pool->allocator);
G_OBJECT_CLASS (gst_d3dsurface_buffer_pool_parent_class)->finalize (object);
}
static const gchar **
gst_d3dsurface_buffer_pool_get_options (GstBufferPool * pool)
{
static const gchar *options[] = { GST_BUFFER_POOL_OPTION_VIDEO_META, NULL };
return options;
}
/* Calculate actual required buffer size from D3DLOCKED_RECT structure.
* Note that D3D could require larger Pitch value than minimum required one in theory.
* See also
* https://docs.microsoft.com/en-us/windows/desktop/direct3d9/width-vs--pitch */
static gboolean
d3d_calculate_buffer_size (GstVideoInfo * info, D3DLOCKED_RECT * lr,
gsize * offset, gint * stride, gsize * size)
{
switch (GST_VIDEO_INFO_FORMAT (info)) {
case GST_VIDEO_FORMAT_BGR:
case GST_VIDEO_FORMAT_BGRx:
case GST_VIDEO_FORMAT_RGBx:
case GST_VIDEO_FORMAT_BGRA:
case GST_VIDEO_FORMAT_RGBA:
case GST_VIDEO_FORMAT_RGB16:
case GST_VIDEO_FORMAT_RGB15:
case GST_VIDEO_FORMAT_YUY2:
case GST_VIDEO_FORMAT_UYVY:
offset[0] = 0;
stride[0] = lr->Pitch;
*size = lr->Pitch * GST_VIDEO_INFO_HEIGHT (info);
break;
case GST_VIDEO_FORMAT_I420:
case GST_VIDEO_FORMAT_YV12:
offset[0] = 0;
stride[0] = lr->Pitch;
if (GST_VIDEO_INFO_FORMAT (info) == GST_VIDEO_FORMAT_YV12) {
offset[1] =
offset[0] + stride[0] * GST_VIDEO_INFO_COMP_HEIGHT (info, 0);
stride[1] = lr->Pitch / 2;
offset[2] =
offset[1] + stride[1] * GST_VIDEO_INFO_COMP_HEIGHT (info, 1);
stride[2] = lr->Pitch / 2;
*size = offset[2] + stride[2] * GST_VIDEO_INFO_COMP_HEIGHT (info, 2);
} else {
offset[2] =
offset[0] + stride[0] * GST_VIDEO_INFO_COMP_HEIGHT (info, 0);
stride[2] = lr->Pitch / 2;
offset[1] =
offset[2] + stride[2] * GST_VIDEO_INFO_COMP_HEIGHT (info, 2);
stride[1] = lr->Pitch / 2;
*size = offset[1] + stride[1] * GST_VIDEO_INFO_COMP_HEIGHT (info, 1);
}
break;
case GST_VIDEO_FORMAT_NV12:
offset[0] = 0;
stride[0] = lr->Pitch;
offset[1] = offset[0] + stride[0] * GST_VIDEO_INFO_COMP_HEIGHT (info, 0);
stride[1] = lr->Pitch;
*size = offset[1] + stride[1] * GST_VIDEO_INFO_COMP_HEIGHT (info, 1);
break;
default:
return FALSE;
}
GST_LOG ("Calculated buffer size: %" G_GSIZE_FORMAT
" (%s %dx%d, Pitch %d)", *size,
gst_video_format_to_string (GST_VIDEO_INFO_FORMAT (info)),
GST_VIDEO_INFO_WIDTH (info), GST_VIDEO_INFO_HEIGHT (info), lr->Pitch);
return TRUE;
}
static gboolean
gst_d3dsurface_buffer_pool_set_config (GstBufferPool * bpool,
GstStructure * config)
{
GstD3DSurfaceBufferPool *pool = GST_D3DSURFACE_BUFFER_POOL_CAST (bpool);
GstD3DVideoSink *sink = pool->sink;
GstD3DVideoSinkClass *klass = GST_D3DVIDEOSINK_GET_CLASS (sink);
GstCaps *caps;
GstVideoInfo info;
LPDIRECT3DSURFACE9 surface;
D3DFORMAT d3dformat;
gint stride[GST_VIDEO_MAX_PLANES] = { 0, };
gsize offset[GST_VIDEO_MAX_PLANES] = { 0, };
D3DLOCKED_RECT lr;
HRESULT hr;
gsize size;
if (!gst_buffer_pool_config_get_params (config, &caps, NULL, NULL, NULL)
|| !caps) {
GST_ERROR_OBJECT (pool, "Buffer pool configuration without caps");
return FALSE;
}
/* now parse the caps from the config */
if (!gst_video_info_from_caps (&info, caps)) {
GST_ERROR_OBJECT (pool, "Failed to parse caps %" GST_PTR_FORMAT, caps);
return FALSE;
}
d3dformat = gst_video_format_to_d3d_format (GST_VIDEO_INFO_FORMAT (&info));
if (d3dformat == D3DFMT_UNKNOWN) {
GST_ERROR_OBJECT (pool, "Unsupported video format in caps %" GST_PTR_FORMAT,
caps);
return FALSE;
}
GST_LOG_OBJECT (pool, "%dx%d, caps %" GST_PTR_FORMAT, info.width, info.height,
caps);
/* Create a surface to get exact buffer size */
LOCK_CLASS (sink, klass);
CHECK_REF_COUNT (klass, sink, error);
CHECK_D3D_DEVICE (klass, sink, error);
hr = IDirect3DDevice9_CreateOffscreenPlainSurface (klass->d3d.
device.d3d_device, GST_VIDEO_INFO_WIDTH (&info),
GST_VIDEO_INFO_HEIGHT (&info), d3dformat, D3DPOOL_DEFAULT, &surface,
NULL);
UNLOCK_CLASS (sink, klass);
if (hr != D3D_OK) {
GST_ERROR_OBJECT (sink, "Failed to create D3D surface");
return FALSE;
}
IDirect3DSurface9_LockRect (surface, &lr, NULL, 0);
if (!lr.pBits) {
GST_ERROR_OBJECT (sink, "Failed to lock D3D surface");
IDirect3DSurface9_Release (surface);
return FALSE;
}
if (!d3d_calculate_buffer_size (&info, &lr, offset, stride, &size)) {
GST_ERROR_OBJECT (sink, "Failed to get buffer size");
IDirect3DSurface9_UnlockRect (surface);
IDirect3DSurface9_Release (surface);
return FALSE;
}
IDirect3DSurface9_UnlockRect (surface);
IDirect3DSurface9_Release (surface);
pool->info = info;
pool->add_metavideo =
gst_buffer_pool_config_has_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_META);
if (pool->add_metavideo) {
pool->allocator =
g_object_new (GST_TYPE_D3D_SURFACE_MEMORY_ALLOCATOR, NULL);
gst_object_ref_sink (pool->allocator);
}
gst_buffer_pool_config_set_params (config, caps, size, 2, 0);
return GST_BUFFER_POOL_CLASS
(gst_d3dsurface_buffer_pool_parent_class)->set_config (bpool, config);
error:
UNLOCK_CLASS (sink, klass);
return FALSE;
}
static GstFlowReturn
gst_d3dsurface_buffer_pool_alloc_buffer (GstBufferPool * bpool,
GstBuffer ** buffer, GstBufferPoolAcquireParams * params)
{
GstD3DSurfaceBufferPool *pool = GST_D3DSURFACE_BUFFER_POOL_CAST (bpool);
GstD3DVideoSink *sink = pool->sink;
GstD3DVideoSinkClass *klass = GST_D3DVIDEOSINK_GET_CLASS (sink);
GstD3DSurfaceMemory *mem;
LPDIRECT3DSURFACE9 surface;
D3DFORMAT d3dformat;
gint stride[GST_VIDEO_MAX_PLANES] = { 0, };
gsize offset[GST_VIDEO_MAX_PLANES] = { 0, };
D3DLOCKED_RECT lr;
HRESULT hr;
gsize size = 0;
*buffer = NULL;
if (!pool->add_metavideo) {
GST_DEBUG_OBJECT (pool, "No video meta allowed, fallback alloc");
goto fallback;
}
d3dformat =
gst_video_format_to_d3d_format (GST_VIDEO_INFO_FORMAT (&pool->info));
LOCK_CLASS (sink, klass);
CHECK_REF_COUNT (klass, sink, error);
CHECK_D3D_DEVICE (klass, sink, error);
hr = IDirect3DDevice9_CreateOffscreenPlainSurface (klass->d3d.
device.d3d_device, GST_VIDEO_INFO_WIDTH (&pool->info),
GST_VIDEO_INFO_HEIGHT (&pool->info), d3dformat, D3DPOOL_DEFAULT, &surface,
NULL);
UNLOCK_CLASS (sink, klass);
if (hr != D3D_OK) {
GST_ERROR_OBJECT (sink, "Failed to create D3D surface");
goto fallback;
}
IDirect3DSurface9_LockRect (surface, &lr, NULL, 0);
if (!lr.pBits) {
GST_ERROR_OBJECT (sink, "Failed to lock D3D surface");
IDirect3DSurface9_Release (surface);
goto fallback;
}
if (!d3d_calculate_buffer_size (&pool->info, &lr, offset, stride, &size)) {
GST_ERROR_OBJECT (sink, "Failed to get buffer size");
IDirect3DSurface9_UnlockRect (surface);
IDirect3DSurface9_Release (surface);
return GST_FLOW_ERROR;
}
IDirect3DSurface9_UnlockRect (surface);
*buffer = gst_buffer_new ();
gst_buffer_add_video_meta_full (*buffer, GST_VIDEO_FRAME_FLAG_NONE,
GST_VIDEO_INFO_FORMAT (&pool->info), GST_VIDEO_INFO_WIDTH (&pool->info),
GST_VIDEO_INFO_HEIGHT (&pool->info),
GST_VIDEO_INFO_N_PLANES (&pool->info), offset, stride);
mem = g_slice_new0 (GstD3DSurfaceMemory);
gst_memory_init (GST_MEMORY_CAST (mem), 0, pool->allocator, NULL, size, 0, 0,
size);
mem->surface = surface;
mem->sink = gst_object_ref (sink);
mem->x = mem->y = 0;
mem->width = GST_VIDEO_INFO_WIDTH (&pool->info);
mem->height = GST_VIDEO_INFO_HEIGHT (&pool->info);
g_mutex_init (&mem->lock);
gst_buffer_append_memory (*buffer, GST_MEMORY_CAST (mem));
return GST_FLOW_OK;
fallback:
{
return
GST_BUFFER_POOL_CLASS
(gst_d3dsurface_buffer_pool_parent_class)->alloc_buffer (bpool, buffer,
params);
}
error:
UNLOCK_CLASS (sink, klass);
return GST_FLOW_ERROR;
}
static void
gst_d3dsurface_buffer_pool_class_init (GstD3DSurfaceBufferPoolClass * klass)
{
GObjectClass *gobject_class = (GObjectClass *) klass;
GstBufferPoolClass *gstbufferpool_class = (GstBufferPoolClass *) klass;
gobject_class->finalize = gst_d3dsurface_buffer_pool_finalize;
gstbufferpool_class->get_options = gst_d3dsurface_buffer_pool_get_options;
gstbufferpool_class->set_config = gst_d3dsurface_buffer_pool_set_config;
gstbufferpool_class->alloc_buffer = gst_d3dsurface_buffer_pool_alloc_buffer;
}
static void
gst_d3dsurface_buffer_pool_init (GstD3DSurfaceBufferPool * pool)
{
}
GstCaps *
d3d_supported_caps (GstD3DVideoSink * sink)
{
GstD3DVideoSinkClass *klass = GST_D3DVIDEOSINK_GET_CLASS (sink);
GList *l;
GstCaps *caps = NULL;
GValue va = { 0, };
GValue v = { 0, };
g_return_val_if_fail (GST_IS_D3DVIDEOSINK (sink), NULL);
LOCK_SINK (sink);
if (sink->supported_caps) {
caps = gst_caps_ref (sink->supported_caps);
goto unlock;
}
LOCK_CLASS (sink, klass);
if (klass->d3d.refs == 0) {
UNLOCK_CLASS (sink, klass);
goto unlock;
}
GST_DEBUG_OBJECT (sink, "Supported Caps:");
g_value_init (&va, GST_TYPE_LIST);
g_value_init (&v, G_TYPE_STRING);
for (l = klass->d3d.supported_formats; l; l = g_list_next (l)) {
D3DFormatComp *comp = (D3DFormatComp *) l->data;
GST_DEBUG_OBJECT (sink, "%s -> %s %s",
gst_video_format_to_string (comp->fmt),
d3d_format_to_string (comp->d3d_fmt), comp->display ? "[display]" : "");
g_value_set_string (&v, gst_video_format_to_string (comp->fmt));
gst_value_list_append_value (&va, &v);
}
UNLOCK_CLASS (sink, klass);
caps =
gst_caps_make_writable (gst_pad_get_pad_template_caps (GST_VIDEO_SINK_PAD
(sink)));
gst_caps_set_value (caps, "format", &va);
g_value_unset (&v);
g_value_unset (&va);
sink->supported_caps = gst_caps_ref (caps);
#ifndef GST_DISABLE_GST_DEBUG
{
GST_DEBUG_OBJECT (sink, "Supported caps: %" GST_PTR_FORMAT, caps);
}
#endif
unlock:
UNLOCK_SINK (sink);
return caps;
}
gboolean
d3d_set_render_format (GstD3DVideoSink * sink)
{
GstD3DVideoSinkClass *klass = GST_D3DVIDEOSINK_GET_CLASS (sink);
D3DFORMAT fmt;
gboolean ret = FALSE;
g_return_val_if_fail (GST_IS_D3DVIDEOSINK (sink), FALSE);
LOCK_SINK (sink);
fmt = gst_video_format_to_d3d_format (sink->format);
if (fmt == D3DFMT_UNKNOWN) {
GST_ERROR_OBJECT (sink, "Unsupported video format %s",
gst_video_format_to_string (sink->format));
goto end;
}
if (!gst_video_query_d3d_format (klass, fmt)) {
GST_ERROR_OBJECT (sink, "Failed to query a D3D render format for %s",
gst_video_format_to_string (sink->format));
goto end;
}
GST_DEBUG_OBJECT (sink, "Selected %s -> %s",
gst_video_format_to_string (sink->format), d3d_format_to_string (fmt));
sink->d3d.format = fmt;
ret = TRUE;
end:
UNLOCK_SINK (sink);
return ret;
}
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);
g_return_val_if_fail (GST_IS_D3DVIDEOSINK (sink), 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 };
GstVideoRectangle 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;
g_return_if_fail (GST_IS_D3DVIDEOSINK (sink));
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 original 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;
g_return_val_if_fail (GST_IS_D3DVIDEOSINK (sink), 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)
{
g_return_if_fail (GST_IS_D3DVIDEOSINK (sink));
LOCK_SINK (sink);
if (sink->d3d.window_handle == NULL) {
GST_DEBUG_OBJECT (sink, "No window handle has been set.");
goto end;
}
if (sink->d3d.device_lost) {
GST_DEBUG_OBJECT (sink, "Device is lost, waiting for reset.");
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)
{
g_return_if_fail (sink != NULL);
LOCK_SINK (sink);
if (sink->d3d.window_handle == (HWND) window_id) {
if (window_id)
GST_WARNING_OBJECT (sink,
"Window HWND already set to: %" G_GUINTPTR_FORMAT, window_id);
goto end;
}
/* Unset current window */
if (sink->d3d.window_handle != NULL) {
PostMessage (sink->d3d.window_handle, WM_QUIT_THREAD, 0, 0);
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 (!is_internal)
sink->d3d.external_window_handle = sink->d3d.window_handle;
/* 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)
{
g_return_if_fail (sink != NULL);
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;
g_return_val_if_fail (GST_IS_D3DVIDEOSINK (sink), FALSE);
LOCK_SINK (sink);
/* if we already had an external window, then use it again */
if (sink->d3d.external_window_handle)
sink->d3d.window_handle = sink->d3d.external_window_handle;
/* 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)
{
if (sink->pool)
gst_buffer_pool_set_active (sink->pool, FALSE);
if (sink->fallback_pool)
gst_buffer_pool_set_active (sink->fallback_pool, FALSE);
gst_object_replace ((GstObject **) & sink->pool, NULL);
gst_object_replace ((GstObject **) & sink->fallback_pool, NULL);
gst_buffer_replace (&sink->fallback_buffer, NULL);
/* Release D3D resources */
d3d_set_window_handle (sink, 0, FALSE);
if (sink->internal_window_thread) {
g_thread_join (sink->internal_window_thread);
sink->internal_window_thread = NULL;
}
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. Clean 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)
{
g_return_if_fail (GST_IS_D3DVIDEOSINK (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;
D3DTEXTUREFILTERTYPE d3d_filtertype;
HRESULT hr;
GstD3DVideoSinkClass *klass;
gboolean ret = FALSE;
g_return_val_if_fail (sink != NULL, FALSE);
klass = GST_D3DVIDEOSINK_GET_CLASS (sink);
g_return_val_if_fail (klass != NULL, FALSE);
LOCK_SINK (sink);
LOCK_CLASS (sink, klass);
CHECK_REF_COUNT (klass, sink, error);
/* We need a display device */
CHECK_D3D_DEVICE (klass, 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 = klass->d3d.device.format;
hr = IDirect3DDevice9_CreateAdditionalSwapChain (klass->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;
}
/* 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 (klass->d3d.d3d,
klass->d3d.device.adapter,
D3DDEVTYPE_HAL,
klass->d3d.device.format,
D3DUSAGE_QUERY_FILTER, D3DRTYPE_TEXTURE, sink->d3d.format);
if (hr == D3D_OK)
d3d_filtertype = klass->d3d.device.filter_type;
else
d3d_filtertype = D3DTEXF_NONE;
GST_DEBUG ("Direct3D stretch rect texture filter: %d", d3d_filtertype);
sink->d3d.filtertype = d3d_filtertype;
if (sink->d3d.swapchain != NULL)
IDirect3DSwapChain9_Release (sink->d3d.swapchain);
sink->d3d.swapchain = d3d_swapchain;
ret = TRUE;
error:
if (!ret) {
if (d3d_swapchain)
IDirect3DSwapChain9_Release (d3d_swapchain);
}
UNLOCK_CLASS (sink, klass);
UNLOCK_SINK (sink);
return ret;
}
static gboolean
d3d_release_swap_chain (GstD3DVideoSink * sink)
{
int ref_count;
gboolean ret = FALSE;
g_return_val_if_fail (GST_IS_D3DVIDEOSINK (sink), FALSE);
LOCK_SINK (sink);
GST_DEBUG_OBJECT (sink, "Releasing Direct3D swap chain");
if (!sink->d3d.swapchain) {
ret = TRUE;
goto end;
}
gst_buffer_replace (&sink->fallback_buffer, NULL);
if (sink->fallback_pool)
gst_buffer_pool_set_active (sink->fallback_pool, FALSE);
if (sink->d3d.swapchain) {
ref_count = IDirect3DSwapChain9_Release (sink->d3d.swapchain);
sink->d3d.swapchain = NULL;
GST_DEBUG_OBJECT (sink, "D3D swapchain released. Ref count: %d", ref_count);
}
if (sink->d3d.surface) {
ref_count = IDirect3DSurface9_Release (sink->d3d.surface);
sink->d3d.surface = NULL;
GST_DEBUG_OBJECT (sink, "D3D surface released. Ref count: %d", ref_count);
}
gst_d3d9_overlay_free (sink);
ret = TRUE;
end:
UNLOCK_SINK (sink);
return ret;
}
static gboolean
d3d_resize_swap_chain (GstD3DVideoSink * sink)
{
GstD3DVideoSinkClass *klass;
D3DPRESENT_PARAMETERS d3d_pp;
LPDIRECT3DSWAPCHAIN9 swapchain = NULL;
gint w = 0, h = 0, ref_count = 0;
gboolean ret = FALSE;
HRESULT hr;
gboolean need_new = FALSE;
int clip_ret;
HDC handle_hdc;
RECT clip_rectangle;
g_return_val_if_fail (sink != NULL, FALSE);
klass = GST_D3DVIDEOSINK_GET_CLASS (sink);
g_return_val_if_fail (klass != NULL, FALSE);
LOCK_SINK (sink);
if (!sink->d3d.renderable || sink->d3d.device_lost) {
UNLOCK_SINK (sink);
return FALSE;
}
LOCK_CLASS (sink, klass);
CHECK_REF_COUNT (klass, sink, end);
CHECK_WINDOW_HANDLE (sink, end, FALSE);
CHECK_D3D_DEVICE (klass, sink, end);
CHECK_D3D_SWAPCHAIN (sink, end);
handle_hdc = GetDC (sink->d3d.window_handle);
clip_ret = GetClipBox (handle_hdc, &clip_rectangle);
ReleaseDC (sink->d3d.window_handle, handle_hdc);
if (clip_ret == NULLREGION) {
GST_DEBUG_OBJECT (sink, "Window is hidden, not resizing swapchain");
UNLOCK_CLASS (sink, klass);
UNLOCK_SINK (sink);
return TRUE;
}
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) {
GST_WARNING_OBJECT (sink, "Release swapchain refcount: %d", ref_count);
}
sink->d3d.swapchain = NULL;
}
hr = IDirect3DDevice9_CreateAdditionalSwapChain (klass->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;
sink->d3d.overlay_needs_resize = TRUE;
ret = TRUE;
end:
UNLOCK_CLASS (sink, klass);
UNLOCK_SINK (sink);
return ret;
}
static gboolean
d3d_copy_buffer (GstD3DVideoSink * sink, GstBuffer * from, GstBuffer * to)
{
gboolean ret = FALSE;
GstVideoFrame from_frame, to_frame;
memset (&from_frame, 0, sizeof (from_frame));
memset (&to_frame, 0, sizeof (to_frame));
g_return_val_if_fail (GST_IS_D3DVIDEOSINK (sink), FALSE);
LOCK_SINK (sink);
if (!sink->d3d.renderable || sink->d3d.device_lost)
goto end;
if (!gst_video_frame_map (&from_frame, &sink->info, from, GST_MAP_READ) ||
!gst_video_frame_map (&to_frame, &sink->info, to, GST_MAP_WRITE)) {
GST_ERROR_OBJECT (sink, "NULL GstBuffer");
goto end;
}
switch (sink->format) {
case GST_VIDEO_FORMAT_YUY2:
case GST_VIDEO_FORMAT_UYVY:{
const guint8 *src;
guint8 *dst;
gint dststride, srcstride;
gint i, h, w;
src = GST_VIDEO_FRAME_PLANE_DATA (&from_frame, 0);
dst = GST_VIDEO_FRAME_PLANE_DATA (&to_frame, 0);
srcstride = GST_VIDEO_FRAME_PLANE_STRIDE (&from_frame, 0);
dststride = GST_VIDEO_FRAME_PLANE_STRIDE (&to_frame, 0);
h = GST_VIDEO_FRAME_HEIGHT (&from_frame);
w = GST_ROUND_UP_4 (GST_VIDEO_FRAME_WIDTH (&from_frame) * 2);
for (i = 0; i < h; i++) {
memcpy (dst, src, w);
dst += dststride;
src += srcstride;
}
break;
}
case GST_VIDEO_FORMAT_I420:
case GST_VIDEO_FORMAT_YV12:{
const guint8 *src;
guint8 *dst;
gint srcstride, dststride;
gint i, j, h_, w_;
for (i = 0; i < 3; i++) {
src = GST_VIDEO_FRAME_COMP_DATA (&from_frame, i);
dst = GST_VIDEO_FRAME_COMP_DATA (&to_frame, i);
srcstride = GST_VIDEO_FRAME_COMP_STRIDE (&from_frame, i);
dststride = GST_VIDEO_FRAME_COMP_STRIDE (&to_frame, i);
h_ = GST_VIDEO_FRAME_COMP_HEIGHT (&from_frame, i);
w_ = GST_VIDEO_FRAME_COMP_WIDTH (&from_frame, i);
for (j = 0; j < h_; j++) {
memcpy (dst, src, w_);
dst += dststride;
src += srcstride;
}
}
break;
}
case GST_VIDEO_FORMAT_NV12:{
const guint8 *src;
guint8 *dst;
gint srcstride, dststride;
gint i, j, h_, w_;
for (i = 0; i < 2; i++) {
src = GST_VIDEO_FRAME_PLANE_DATA (&from_frame, i);
dst = GST_VIDEO_FRAME_PLANE_DATA (&to_frame, i);
srcstride = GST_VIDEO_FRAME_PLANE_STRIDE (&from_frame, i);
dststride = GST_VIDEO_FRAME_PLANE_STRIDE (&to_frame, i);
h_ = GST_VIDEO_FRAME_COMP_HEIGHT (&from_frame, i);
w_ = GST_VIDEO_FRAME_COMP_WIDTH (&from_frame, i);
for (j = 0; j < h_; j++) {
memcpy (dst, src, w_ * 2);
dst += dststride;
src += srcstride;
}
}
break;
}
case GST_VIDEO_FORMAT_BGRA:
case GST_VIDEO_FORMAT_RGBA:
case GST_VIDEO_FORMAT_BGRx:
case GST_VIDEO_FORMAT_RGBx:{
const guint8 *src;
guint8 *dst;
gint srcstride, dststride;
gint i, h, w;
src = GST_VIDEO_FRAME_PLANE_DATA (&from_frame, 0);
dst = GST_VIDEO_FRAME_PLANE_DATA (&to_frame, 0);
srcstride = GST_VIDEO_FRAME_PLANE_STRIDE (&from_frame, 0);
dststride = GST_VIDEO_FRAME_PLANE_STRIDE (&to_frame, 0);
h = GST_VIDEO_FRAME_HEIGHT (&from_frame);
w = GST_VIDEO_FRAME_WIDTH (&from_frame) * 4;
for (i = 0; i < h; i++) {
memcpy (dst, src, w);
dst += dststride;
src += srcstride;
}
break;
}
case GST_VIDEO_FORMAT_BGR:{
const guint8 *src;
guint8 *dst;
gint srcstride, dststride;
gint i, h, w;
src = GST_VIDEO_FRAME_PLANE_DATA (&from_frame, 0);
dst = GST_VIDEO_FRAME_PLANE_DATA (&to_frame, 0);
srcstride = GST_VIDEO_FRAME_PLANE_STRIDE (&from_frame, 0);
dststride = GST_VIDEO_FRAME_PLANE_STRIDE (&to_frame, 0);
h = GST_VIDEO_FRAME_HEIGHT (&from_frame);
w = GST_VIDEO_FRAME_WIDTH (&from_frame) * 3;
for (i = 0; i < h; i++) {
memcpy (dst, src, w);
dst += dststride;
src += srcstride;
}
break;
}
case GST_VIDEO_FORMAT_RGB16:
case GST_VIDEO_FORMAT_RGB15:{
const guint8 *src;
guint8 *dst;
gint srcstride, dststride;
gint i, h, w;
src = GST_VIDEO_FRAME_PLANE_DATA (&from_frame, 0);
dst = GST_VIDEO_FRAME_PLANE_DATA (&to_frame, 0);
srcstride = GST_VIDEO_FRAME_PLANE_STRIDE (&from_frame, 0);
dststride = GST_VIDEO_FRAME_PLANE_STRIDE (&to_frame, 0);
h = GST_VIDEO_FRAME_HEIGHT (&from_frame);
w = GST_VIDEO_FRAME_WIDTH (&from_frame) * 2;
for (i = 0; i < h; i++) {
memcpy (dst, src, w);
dst += dststride;
src += srcstride;
}
break;
}
default:
goto unhandled_format;
}
ret = TRUE;
end:
if (from_frame.buffer)
gst_video_frame_unmap (&from_frame);
if (to_frame.buffer)
gst_video_frame_unmap (&to_frame);
UNLOCK_SINK (sink);
return ret;
unhandled_format:
GST_ERROR_OBJECT (sink,
"Unhandled format '%s' -> '%s' (should not get here)",
gst_video_format_to_string (sink->format),
d3d_format_to_string (sink->d3d.format));
ret = FALSE;
goto end;
}
static gboolean
d3d_present_swap_chain (GstD3DVideoSink * sink)
{
GstD3DVideoSinkClass *klass = GST_D3DVIDEOSINK_GET_CLASS (sink);
LPDIRECT3DSURFACE9 back_buffer = NULL;
gboolean ret = FALSE;
HRESULT hr;
RECT dstr, srcr, *pDestRect = NULL, *pSrcRect = NULL;
g_return_val_if_fail (GST_IS_D3DVIDEOSINK (sink), FALSE);
LOCK_SINK (sink);
if (!sink->d3d.renderable || sink->d3d.device_lost) {
UNLOCK_SINK (sink);
return FALSE;
}
LOCK_CLASS (sink, klass);
CHECK_REF_COUNT (klass, sink, end);
CHECK_WINDOW_HANDLE (sink, end, FALSE);
CHECK_D3D_DEVICE (klass, sink, end);
CHECK_D3D_SWAPCHAIN (sink, end);
/* Set the render target to our swap chain */
hr = IDirect3DSwapChain9_GetBackBuffer (sink->d3d.swapchain, 0,
D3DBACKBUFFER_TYPE_MONO, &back_buffer);
ERROR_CHECK_HR (hr) {
CASE_HR_ERR (D3DERR_INVALIDCALL);
CASE_HR_ERR_END (sink, "IDirect3DSwapChain9_GetBackBuffer");
goto end;
}
hr = IDirect3DDevice9_SetRenderTarget (klass->d3d.device.d3d_device, 0,
back_buffer);
ERROR_CHECK_HR (hr) {
CASE_HR_ERR (D3DERR_INVALIDCALL);
CASE_HR_ERR_END (sink, "IDirect3DDevice9_SetRenderTarget");
goto end;
}
hr = IDirect3DSurface9_Release (back_buffer);
ERROR_CHECK_HR (hr) {
CASE_HR_ERR (D3DERR_INVALIDCALL);
CASE_HR_ERR_END (sink, "IDirect3DSurface9_Release");
goto end;
}
/* Clear the target */
hr = IDirect3DDevice9_Clear (klass->d3d.device.d3d_device, 0, NULL,
D3DCLEAR_TARGET, D3DCOLOR_XRGB (0, 0, 0), 1.0f, 0);
ERROR_CHECK_HR (hr) {
CASE_HR_ERR (D3DERR_INVALIDCALL);
CASE_HR_ERR_END (sink, "IDirect3DDevice9_Clear");
goto end;
}
hr = IDirect3DDevice9_BeginScene (klass->d3d.device.d3d_device);
ERROR_CHECK_HR (hr) {
CASE_HR_ERR (D3DERR_INVALIDCALL);
CASE_HR_ERR_END (sink, "IDirect3DDevice9_BeginScene");
goto end;
}
if (!gst_d3d9_overlay_set_render_state (sink)) {
IDirect3DDevice9_EndScene (klass->d3d.device.d3d_device);
goto end;
}
/* Stretch and blit ops, to copy offscreen surface buffer
* to Display back buffer.
*/
if (!d3d_stretch_and_copy (sink, back_buffer) ||
!gst_d3d9_overlay_render (sink)) {
IDirect3DDevice9_EndScene (klass->d3d.device.d3d_device);
goto end;
}
hr = IDirect3DDevice9_EndScene (klass->d3d.device.d3d_device);
ERROR_CHECK_HR (hr) {
CASE_HR_ERR (D3DERR_INVALIDCALL);
CASE_HR_ERR_END (sink, "IDirect3DDevice9_EndScene");
goto end;
}
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, klass);
return ret;
}
static gboolean
d3d_stretch_and_copy (GstD3DVideoSink * sink, LPDIRECT3DSURFACE9 back_buffer)
{
GstD3DVideoSinkClass *klass = GST_D3DVIDEOSINK_GET_CLASS (sink);
GstVideoRectangle *render_rect = NULL;
RECT r, s;
RECT *r_p = NULL;
HRESULT hr;
gboolean ret = FALSE;
g_return_val_if_fail (GST_IS_D3DVIDEOSINK (sink), FALSE);
LOCK_SINK (sink);
CHECK_WINDOW_HANDLE (sink, end, FALSE);
CHECK_D3D_DEVICE (klass, 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_p = &r;
} else if (render_rect) {
r.left = 0;
r.top = 0;
r.right = render_rect->w;
r.bottom = render_rect->h;
r_p = &r;
}
s.left = sink->crop_rect.x;
s.top = sink->crop_rect.y;
s.right = sink->crop_rect.x + sink->crop_rect.w;
s.bottom = sink->crop_rect.y + sink->crop_rect.h;
/* 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 (klass->d3d.device.d3d_device, sink->d3d.surface, /* Source Surface */
&s, /* Source Surface Rect (NULL: Whole) */
back_buffer, /* Dest Surface */
r_p, /* Dest Surface Rect (NULL: Whole) */
klass->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)
{
WindowHandleVisibility handle_visibility = WINDOW_VISIBILITY_ERROR;
int clip_ret;
HDC handle_hdc;
RECT handle_rectangle;
RECT clip_rectangle;
GstFlowReturn ret = GST_FLOW_OK;
GstMemory *mem;
LPDIRECT3DSURFACE9 surface = NULL;
GstVideoCropMeta *crop = NULL;
g_return_val_if_fail (GST_IS_D3DVIDEOSINK (sink), GST_FLOW_ERROR);
LOCK_SINK (sink);
if (!sink->d3d.window_handle) {
if (sink->stream_stop_on_close) {
/* Handle window deletion by posting an error on the bus */
GST_ELEMENT_ERROR (sink, RESOURCE, NOT_FOUND,
("Output window was closed"), (NULL));
ret = GST_FLOW_ERROR;
}
goto end;
}
if (sink->d3d.device_lost) {
GST_LOG_OBJECT (sink, "Device lost, waiting for reset..");
goto end;
}
/* check for window handle visibility, if hidden skip frame rendering */
handle_hdc = GetDC (sink->d3d.window_handle);
GetClientRect (sink->d3d.window_handle, &handle_rectangle);
clip_ret = GetClipBox (handle_hdc, &clip_rectangle);
ReleaseDC (sink->d3d.window_handle, handle_hdc);
switch (clip_ret) {
case NULLREGION:
handle_visibility = WINDOW_VISIBILITY_HIDDEN;
break;
case SIMPLEREGION:
if (EqualRect (&clip_rectangle, &handle_rectangle))
handle_visibility = WINDOW_VISIBILITY_FULL;
else
handle_visibility = WINDOW_VISIBILITY_PARTIAL;
break;
case COMPLEXREGION:
handle_visibility = WINDOW_VISIBILITY_PARTIAL;
break;
default:
handle_visibility = WINDOW_VISIBILITY_ERROR;
break;
}
if (handle_visibility == WINDOW_VISIBILITY_HIDDEN) {
GST_DEBUG_OBJECT (sink, "Hidden hwnd, skipping frame rendering...");
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)));
crop = gst_buffer_get_video_crop_meta (buf);
if (crop) {
sink->crop_rect.x = crop->x;
sink->crop_rect.y = crop->y;
sink->crop_rect.w = crop->width;
sink->crop_rect.h = crop->height;
} else {
sink->crop_rect.x = 0;
sink->crop_rect.y = 0;
sink->crop_rect.w = sink->info.width;
sink->crop_rect.h = sink->info.height;
}
/* Resize swapchain if needed */
if (!d3d_resize_swap_chain (sink)) {
ret = GST_FLOW_ERROR;
goto end;
}
if (gst_buffer_n_memory (buf) != 1 ||
(mem = gst_buffer_peek_memory (buf, 0)) == 0 ||
!gst_memory_is_type (mem, GST_D3D_SURFACE_MEMORY_NAME)) {
GstBuffer *tmp;
GstBufferPoolAcquireParams params = { 0, };
if (!sink->fallback_pool
|| !gst_buffer_pool_set_active (sink->fallback_pool, TRUE)) {
ret = GST_FLOW_NOT_NEGOTIATED;
goto end;
}
/* take a buffer from our pool, if there is no buffer in the pool something
* is seriously wrong, waiting for the pool here might deadlock when we try
* to go to PAUSED because we never flush the pool. */
params.flags = GST_BUFFER_POOL_ACQUIRE_FLAG_DONTWAIT;
ret = gst_buffer_pool_acquire_buffer (sink->fallback_pool, &tmp, &params);
if (ret != GST_FLOW_OK)
goto end;
if (sink->fallback_buffer) {
gst_buffer_unref (sink->fallback_buffer);
sink->fallback_buffer = NULL;
}
mem = gst_buffer_peek_memory (tmp, 0);
if (!mem || !gst_memory_is_type (mem, GST_D3D_SURFACE_MEMORY_NAME)) {
ret = GST_FLOW_ERROR;
gst_buffer_unref (tmp);
goto end;
}
d3d_copy_buffer (sink, buf, tmp);
buf = tmp;
surface = ((GstD3DSurfaceMemory *) mem)->surface;
/* Need to keep an additional ref until the next buffer
* to make sure it isn't reused until then */
sink->fallback_buffer = buf;
} else {
mem = gst_buffer_peek_memory (buf, 0);
surface = ((GstD3DSurfaceMemory *) mem)->surface;
if (sink->fallback_buffer) {
gst_buffer_unref (sink->fallback_buffer);
sink->fallback_buffer = NULL;
}
}
if (sink->d3d.surface)
IDirect3DSurface9_Release (sink->d3d.surface);
IDirect3DSurface9_AddRef (surface);
sink->d3d.surface = surface;
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;
/* d3dvideosink object might not available yet.
* The thread for message queue starts earlier than SetProp... */
if (!sink)
return DefWindowProc (hWnd, message, wParam, lParam);
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);
/* Don't resize if the window is being minimized. Recreating the
* swap chain will fail if the window is minimized
*/
if (wParam != SIZE_MINIMIZED)
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)
{
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 *klass = 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,
klass->d3d.wnd_class.lpszClassName,
TEXT ("GStreamer D3D video sink (internal window)"),
style, offx, offy, width, height,
NULL, NULL, klass->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 error;
HWND hWnd;
GMutex lock;
GCond cond;
} 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);
g_mutex_lock (&dat->lock);
if (!hWnd) {
GST_ERROR_OBJECT (sink, "Failed to create internal window");
dat->error = TRUE;
} else {
dat->hWnd = hWnd;
}
g_cond_signal (&dat->cond);
g_mutex_unlock (&dat->lock);
if (dat->error)
goto end;
/*
* Internal window message loop
*/
while (GetMessage (&msg, NULL, 0, 0)) {
if (msg.message == WM_QUIT_THREAD)
break;
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;
dat.sink = sink;
dat.error = FALSE;
dat.hWnd = 0;
g_mutex_init (&dat.lock);
g_cond_init (&dat.cond);
thread =
g_thread_new ("d3dvideosink-window-thread",
(GThreadFunc) d3d_internal_window_thread, &dat);
if (!thread) {
GST_ERROR ("Failed to created internal window thread");
goto clear;
}
sink->internal_window_thread = thread;
/* Wait for window proc loop to start up */
g_mutex_lock (&dat.lock);
while (!dat.error && !dat.hWnd) {
g_cond_wait (&dat.cond, &dat.lock);
}
g_mutex_unlock (&dat.lock);
GST_DEBUG_OBJECT (sink, "Created window: %p (error: %d)",
dat.hWnd, dat.error);
clear:
{
g_mutex_clear (&dat.lock);
g_cond_clear (&dat.cond);
}
return dat.hWnd;
}
/* D3D Video Class Methods */
gboolean
d3d_class_init (GstD3DVideoSink * sink)
{
GstD3DVideoSinkClass *klass = GST_D3DVIDEOSINK_GET_CLASS (sink);
gboolean ret = FALSE;
gboolean initialized_mutex = FALSE;
g_return_val_if_fail (klass != NULL, FALSE);
LOCK_CLASS (sink, klass);
klass->d3d.refs += 1;
GST_DEBUG ("D3D class init [refs:%u]", klass->d3d.refs);
klass->d3d.sink_list = g_list_append (klass->d3d.sink_list, sink);
if (klass->d3d.refs > 1)
goto end;
WM_D3DVIDEO_NOTIFY_DEVICE_LOST =
RegisterWindowMessage ("WM_D3DVIDEO_NOTIFY_DEVICE_LOST");
klass->d3d.d3d = Direct3DCreate9 (D3D_SDK_VERSION);
if (!klass->d3d.d3d) {
GST_ERROR ("Unable to create Direct3D interface");
goto error;
}
/* Register Window Class for internal Windows */
memset (&klass->d3d.wnd_class, 0, sizeof (WNDCLASS));
klass->d3d.wnd_class.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
klass->d3d.wnd_class.hInstance = GetModuleHandle (NULL);
klass->d3d.wnd_class.lpszClassName = TEXT ("GstD3DVideoSinkInternalWindow");
klass->d3d.wnd_class.hbrBackground = (HBRUSH) GetStockObject (BLACK_BRUSH);
klass->d3d.wnd_class.hCursor = LoadCursor (NULL, IDC_ARROW);
klass->d3d.wnd_class.hIcon = LoadIcon (NULL, IDI_APPLICATION);
klass->d3d.wnd_class.cbClsExtra = 0;
klass->d3d.wnd_class.cbWndExtra = 0;
klass->d3d.wnd_class.lpfnWndProc = d3d_wnd_proc_internal;
if (RegisterClass (&klass->d3d.wnd_class) == 0) {
GST_ERROR ("Failed to register window class: %lu", GetLastError ());
goto error;
}
klass->d3d.thread_started = FALSE;
klass->d3d.thread_error_exit = FALSE;
/* TODO: Multi-monitor setup? */
if (!d3d_class_display_device_create (klass, D3DADAPTER_DEFAULT)) {
GST_ERROR ("Failed to initialize adapter: %u", D3DADAPTER_DEFAULT);
goto error;
}
g_mutex_init (&klass->d3d.thread_start_mutex);
g_cond_init (&klass->d3d.thread_start_cond);
initialized_mutex = TRUE;
klass->d3d.thread =
g_thread_new ("d3dvideosink-window-thread",
(GThreadFunc) d3d_hidden_window_thread, klass);
if (!klass->d3d.thread) {
GST_ERROR ("Failed to created hidden window thread");
goto error;
}
g_mutex_lock (&klass->d3d.thread_start_mutex);
while (!klass->d3d.thread_started && !klass->d3d.thread_error_exit)
g_cond_wait (&klass->d3d.thread_start_cond, &klass->d3d.thread_start_mutex);
g_mutex_unlock (&klass->d3d.thread_start_mutex);
if (klass->d3d.thread_error_exit)
goto error;
GST_DEBUG ("Hidden window message loop is running..");
end:
ret = TRUE;
error:
if (!ret)
d3d_class_destroy (sink);
if (initialized_mutex) {
g_mutex_clear (&klass->d3d.thread_start_mutex);
g_cond_clear (&klass->d3d.thread_start_cond);
}
UNLOCK_CLASS (sink, klass);
return ret;
}
void
d3d_class_destroy (GstD3DVideoSink * sink)
{
GstD3DVideoSinkClass *klass = GST_D3DVIDEOSINK_GET_CLASS (sink);
g_return_if_fail (klass != NULL);
LOCK_CLASS (sink, klass);
klass->d3d.refs -= 1;
GST_DEBUG ("D3D class destroy [refs:%u]", klass->d3d.refs);
klass->d3d.sink_list = g_list_remove (klass->d3d.sink_list, sink);
if (klass->d3d.refs >= 1)
goto end;
if (klass->d3d.thread) {
GST_DEBUG ("Shutting down window proc thread, waiting to join..");
PostMessage (klass->d3d.hidden_window, WM_QUIT, 0, 0);
g_thread_join (klass->d3d.thread);
GST_DEBUG ("Joined..");
}
d3d_class_display_device_destroy (klass);
if (klass->d3d.d3d) {
int ref_count = IDirect3D9_Release (klass->d3d.d3d);
GST_DEBUG ("Direct3D object released. Reference count: %d", ref_count);
}
UnregisterClass (klass->d3d.wnd_class.lpszClassName,
klass->d3d.wnd_class.hInstance);
memset (&klass->d3d, 0, sizeof (GstD3DDataClass));
end:
UNLOCK_CLASS (sink, klass);
}
static gboolean
d3d_class_display_device_create (GstD3DVideoSinkClass * klass, UINT adapter)
{
LPDIRECT3D9 d3d;
GstD3DDisplayDevice *device;
HWND hwnd;
D3DCAPS9 caps;
D3DDISPLAYMODE disp_mode;
DWORD create_mask = 0;
HRESULT hr;
guint i;
gboolean ret = FALSE;
g_return_val_if_fail (klass != NULL, FALSE);
GST_DEBUG (" ");
LOCK_CLASS (NULL, klass);
d3d = klass->d3d.d3d;
device = &klass->d3d.device;
hwnd = klass->d3d.hidden_window;
CHECK_REF_COUNT (klass, NULL, error);
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;
/* Make sure that device access is threadsafe */
create_mask |= D3DCREATE_MULTITHREADED;
/* 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", hwnd);
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;
}
/* cache d3d formats */
for (i = 0; i < G_N_ELEMENTS (gst_d3d_format_map); i++) {
D3DFormatComp *fmt;
if (!gst_video_query_d3d_format (klass, gst_d3d_format_map[i].d3d_format))
continue;
fmt = g_slice_new0 (D3DFormatComp);
fmt->fmt = gst_d3d_format_map[i].gst_format;
fmt->d3d_fmt = gst_d3d_format_map[i].d3d_format;
fmt->display = (fmt->d3d_fmt == klass->d3d.device.format);
klass->d3d.supported_formats =
g_list_insert_sorted (klass->d3d.supported_formats, fmt,
d3d_format_comp_compare);
}
GST_DEBUG ("Display Device format: %s",
d3d_format_to_string (disp_mode.Format));
ret = TRUE;
goto end;
error:
memset (device, 0, sizeof (GstD3DDisplayDevice));
end:
UNLOCK_CLASS (NULL, klass);
return ret;
}
static void
d3d_class_display_device_destroy (GstD3DVideoSinkClass * klass)
{
g_return_if_fail (klass != NULL);
LOCK_CLASS (NULL, klass);
if (klass->d3d.device.d3d_device) {
int ref_count;
ref_count = IDirect3DDevice9_Release (klass->d3d.device.d3d_device);
GST_DEBUG ("Direct3D device [adapter:%u] released. Reference count: %d",
klass->d3d.device.adapter, ref_count);
}
g_list_free_full (klass->d3d.supported_formats,
(GDestroyNotify) d3d_format_comp_free);
memset (&klass->d3d.device, 0, sizeof (GstD3DDisplayDevice));
UNLOCK_CLASS (NULL, klass);
}
static void
d3d_class_notify_device_lost (GstD3DVideoSink * sink)
{
GstD3DVideoSinkClass *klass = GST_D3DVIDEOSINK_GET_CLASS (sink);
GstD3DVideoSinkEvent *evt = g_new0 (GstD3DVideoSinkEvent, 1);
evt->window_message_id = IDT_DEVICE_RESET_TIMER;
evt->create_count = klass->create_count;
gst_element_call_async (GST_ELEMENT (klass),
(GstElementCallAsyncFunc) d3d_class_hidden_window_message_queue, evt,
g_free);
}
static void
d3d_class_notify_device_lost_all (GstD3DVideoSinkClass * klass)
{
g_return_if_fail (klass != NULL);
LOCK_CLASS (NULL, klass);
CHECK_REF_COUNT (klass, NULL, end);
if (!klass->d3d.device_lost) {
GList *lst, *clst;
klass->d3d.device_lost = TRUE;
GST_DEBUG ("Notifying all instances of device loss");
clst = g_list_copy (klass->d3d.sink_list);
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);
/* Set timer to try reset at given interval */
SetTimer (klass->d3d.hidden_window, IDT_DEVICE_RESET_TIMER, 500, NULL);
}
end:
UNLOCK_CLASS (NULL, klass);
}
static void
d3d_class_reset_display_device (GstD3DVideoSinkClass * klass)
{
HRESULT hr;
g_return_if_fail (klass != NULL);
LOCK_CLASS (NULL, klass);
CHECK_REF_COUNT (klass, NULL, end);
CHECK_D3D_DEVICE (klass, NULL, end)
hr = IDirect3DDevice9_Reset (klass->d3d.device.d3d_device,
&klass->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");
klass->d3d.device_lost = FALSE;
KillTimer (klass->d3d.hidden_window, IDT_DEVICE_RESET_TIMER);
g_list_foreach (klass->d3d.sink_list, (GFunc) d3d_notify_device_reset, NULL);
end:
UNLOCK_CLASS (NULL, klass);
}
/* Hidden Window Loop Thread */
static void
d3d_class_hidden_window_message_queue (gpointer data, gpointer user_data)
{
guint id = 0;
GstD3DVideoSinkClass *klass = (GstD3DVideoSinkClass *) data;
GstD3DVideoSinkEvent *evt = (GstD3DVideoSinkEvent *) user_data;
if (!klass || !evt)
return;
switch (evt->window_message_id) {
case IDT_DEVICE_RESET_TIMER:
LOCK_CLASS (NULL, klass);
/* make sure this event does not originate from old class */
if (evt->create_count == klass->create_count)
d3d_class_reset_display_device (klass);
UNLOCK_CLASS (NULL, klass);
break;
default:
if (id == WM_D3DVIDEO_NOTIFY_DEVICE_LOST) {
LOCK_CLASS (NULL, klass);
/* make sure this event does not originate from old class */
if (evt->create_count == klass->create_count)
d3d_class_notify_device_lost_all (klass);
UNLOCK_CLASS (NULL, klass);
}
break;
}
}
static LRESULT APIENTRY
D3DHiddenWndProc (HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
GstD3DVideoSinkClass *klass =
(GstD3DVideoSinkClass *) GetWindowLongPtr (hWnd, GWLP_USERDATA);
GstD3DVideoSinkEvent *evt;
switch (message) {
case WM_TIMER:
switch (wParam) {
case IDT_DEVICE_RESET_TIMER:
evt = g_new0 (GstD3DVideoSinkEvent, 1);
evt->window_message_id = IDT_DEVICE_RESET_TIMER;
evt->create_count = klass->create_count;
gst_element_call_async (GST_ELEMENT (klass),
(GstElementCallAsyncFunc) d3d_class_hidden_window_message_queue,
evt, g_free);
break;
}
return 0;
case WM_DESTROY:
PostQuitMessage (0);
return 0;
default:
break;
}
return DefWindowProc (hWnd, message, wParam, lParam);
}
static gboolean
d3d_hidden_window_thread (GstD3DVideoSinkClass * klass)
{
WNDCLASS WndClass;
gboolean reged = FALSE;
HWND hWnd = 0;
gboolean ret = FALSE;
g_return_val_if_fail (klass != 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, klass);
if (hWnd == NULL) {
GST_ERROR ("Failed to create Direct3D hidden window");
goto error;
}
GST_DEBUG ("Direct3D hidden window handle: %p", hWnd);
klass->d3d.hidden_window = hWnd;
/* Attach data to window */
SetWindowLongPtr (hWnd, GWLP_USERDATA, (LONG_PTR) klass);
GST_DEBUG ("Entering Direct3D hidden window message loop");
/* set running flag and signal calling thread */
g_mutex_lock (&klass->d3d.thread_start_mutex);
klass->d3d.thread_started = TRUE;
g_cond_signal (&klass->d3d.thread_start_cond);
g_mutex_unlock (&klass->d3d.thread_start_mutex);
/* 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;
}
GST_DEBUG ("Leaving Direct3D hidden window message loop");
ret = TRUE;
error:
if (hWnd) {
PostMessage (hWnd, WM_DESTROY, 0, 0);
DestroyWindow (hWnd);
klass->d3d.hidden_window = 0;
}
if (reged)
UnregisterClass (WndClass.lpszClassName, WndClass.hInstance);
/* if failed, set error flag and signal calling thread */
if (!ret) {
g_mutex_lock (&klass->d3d.thread_start_mutex);
klass->d3d.thread_error_exit = TRUE;
g_cond_signal (&klass->d3d.thread_start_cond);
g_mutex_unlock (&klass->d3d.thread_start_mutex);
}
return ret;
}
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