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d3dvideosink: Allocate a new offscreen surface for every buffer

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This is a preparation for implementing a buffer pool.
This commit is contained in:
Sebastian Dröge 2012-12-22 19:12:34 +01:00
parent 65cb59912b
commit abede65bbc
1 changed files with 33 additions and 27 deletions
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60
sys/d3dvideosink/d3dhelpers.c
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@ -38,7 +38,7 @@ 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);
LPDIRECT3DSURFACE9 surface, GstBuffer * buffer);
static gboolean d3d_stretch_and_copy (GstD3DVideoSink * sink,
LPDIRECT3DSURFACE9 back_buffer);
static HWND d3d_create_internal_window (GstD3DVideoSink * sink);
@ -819,7 +819,6 @@ 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 *klass;
@ -859,15 +858,6 @@ d3d_init_swap_chain (GstD3DVideoSink * sink, HWND hWnd)
goto error;
}
hr = IDirect3DDevice9_CreateOffscreenPlainSurface (klass->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.
@ -886,7 +876,6 @@ d3d_init_swap_chain (GstD3DVideoSink * sink, HWND hWnd)
sink->d3d.filtertype = d3d_filtertype;
sink->d3d.swapchain = d3d_swapchain;
sink->d3d.surface = d3d_surface;
ret = TRUE;
@ -894,8 +883,6 @@ error:
if (!ret) {
if (d3d_swapchain)
IDirect3DSwapChain9_Release (d3d_swapchain);
if (d3d_surface)
IDirect3DSurface9_Release (d3d_surface);
}
UNLOCK_CLASS (sink, klass);
@ -917,23 +904,23 @@ d3d_release_swap_chain (GstD3DVideoSink * sink)
CHECK_D3D_DEVICE (klass, sink, end);
if (!sink->d3d.swapchain && !sink->d3d.surface) {
if (!sink->d3d.swapchain) {
ret = TRUE;
goto end;
}
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);
}
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);
}
ret = TRUE;
end:
@ -1044,7 +1031,8 @@ end:
}
static gboolean
d3d_copy_buffer_to_surface (GstD3DVideoSink * sink, GstBuffer * buffer)
d3d_copy_buffer_to_surface (GstD3DVideoSink * sink, LPDIRECT3DSURFACE9 surface,
GstBuffer * buffer)
{
D3DLOCKED_RECT lr;
guint8 *dest;
@ -1063,9 +1051,7 @@ d3d_copy_buffer_to_surface (GstD3DVideoSink * sink, GstBuffer * buffer)
goto end;
}
CHECK_D3D_SURFACE (sink, end);
IDirect3DSurface9_LockRect (sink->d3d.surface, &lr, NULL, 0);
IDirect3DSurface9_LockRect (surface, &lr, NULL, 0);
dest = (guint8 *) lr.pBits;
if (!dest) {
@ -1241,7 +1227,7 @@ unhandled_format:
done:
ret = TRUE;
unlock_surface:
IDirect3DSurface9_UnlockRect (sink->d3d.surface);
IDirect3DSurface9_UnlockRect (surface);
gst_video_frame_unmap (&frame);
end:
@ -1412,6 +1398,7 @@ d3d_render_buffer (GstD3DVideoSink * sink, GstBuffer * buf)
{
GstFlowReturn ret = GST_FLOW_OK;
GstMapInfo map;
LPDIRECT3DSURFACE9 surface = NULL;
g_return_val_if_fail (gst_buffer_map (buf, &map, GST_MAP_READ) != FALSE,
GST_FLOW_ERROR);
@ -1441,7 +1428,26 @@ d3d_render_buffer (GstD3DVideoSink * sink, GstBuffer * buf)
goto end;
}
d3d_copy_buffer_to_surface (sink, buf);
if (!surface) {
HRESULT hr;
GstD3DVideoSinkClass *klass = GST_D3DVIDEOSINK_GET_CLASS (sink);
hr = IDirect3DDevice9_CreateOffscreenPlainSurface (klass->d3d.
device.d3d_device, GST_VIDEO_SINK_WIDTH (sink),
GST_VIDEO_SINK_HEIGHT (sink), sink->d3d.format, D3DPOOL_DEFAULT,
&surface, NULL);
if (hr != D3D_OK || surface == NULL) {
GST_ERROR_OBJECT (sink, "Failed to create D3D surface");
ret = GST_FLOW_ERROR;
goto end;
}
d3d_copy_buffer_to_surface (sink, surface, buf);
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;