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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/mf/basic_renderer.h"
#include <d3d9.h>
#include <mfapi.h>
#include <mfidl.h>
#include "base/message_loop.h"
#include "base/scoped_comptr_win.h"
#include "base/time.h"
#include "media/base/yuv_convert.h"
// For MFGetService and MF_BUFFER_SERVICE (getting D3D surface from buffer)
#pragma comment(lib, "mf.lib")
#pragma comment(lib, "strmiids.lib")
namespace media {
// Converts the given raw data buffer into RGB32 format, and drawing the result
// into the given window. This is only used when DXVA2 is not enabled.
// Returns: true on success.
bool ConvertToRGBAndDrawToWindow(HWND video_window, uint8* data, int width,
int height, int stride) {
CHECK(video_window != NULL);
CHECK(data != NULL);
CHECK_GT(width, 0);
CHECK_GT(height, 0);
CHECK_GE(stride, width);
height = (height + 15) & ~15;
bool success = true;
uint8* y_start = reinterpret_cast<uint8*>(data);
uint8* u_start = y_start + height * stride * 5 / 4;
uint8* v_start = y_start + height * stride;
static uint8* rgb_frame = new uint8[height * stride * 4];
int y_stride = stride;
int uv_stride = stride / 2;
int rgb_stride = stride * 4;
ConvertYUVToRGB32(y_start, u_start, v_start, rgb_frame,
width, height, y_stride, uv_stride,
rgb_stride, YV12);
PAINTSTRUCT ps;
InvalidateRect(video_window, NULL, TRUE);
HDC hdc = BeginPaint(video_window, &ps);
BITMAPINFOHEADER hdr;
hdr.biSize = sizeof(BITMAPINFOHEADER);
hdr.biWidth = width;
hdr.biHeight = -height; // minus means top-down bitmap
hdr.biPlanes = 1;
hdr.biBitCount = 32;
hdr.biCompression = BI_RGB; // no compression
hdr.biSizeImage = 0;
hdr.biXPelsPerMeter = 1;
hdr.biYPelsPerMeter = 1;
hdr.biClrUsed = 0;
hdr.biClrImportant = 0;
int rv = StretchDIBits(hdc, 0, 0, width, height, 0, 0, width, height,
rgb_frame, reinterpret_cast<BITMAPINFO*>(&hdr),
DIB_RGB_COLORS, SRCCOPY);
if (rv == 0) {
LOG(ERROR) << "StretchDIBits failed";
MessageLoopForUI::current()->QuitNow();
success = false;
}
EndPaint(video_window, &ps);
return success;
}
// Obtains the underlying raw data buffer for the given IMFMediaBuffer, and
// calls ConvertToRGBAndDrawToWindow() with it.
// Returns: true on success.
bool PaintMediaBufferOntoWindow(HWND video_window, IMFMediaBuffer* video_buffer,
int width, int height, int stride) {
CHECK(video_buffer != NULL);
HRESULT hr;
BYTE* data;
DWORD buffer_length;
DWORD data_length;
hr = video_buffer->Lock(&data, &buffer_length, &data_length);
if (FAILED(hr)) {
LOG(ERROR) << "Failed to lock IMFMediaBuffer";
return false;
}
if (!ConvertToRGBAndDrawToWindow(video_window,
reinterpret_cast<uint8*>(data),
width,
height,
stride)) {
LOG(ERROR) << "Failed to convert raw buffer to RGB and draw to window";
video_buffer->Unlock();
return false;
}
video_buffer->Unlock();
return true;
}
// Obtains the D3D9 surface from the given IMFMediaBuffer, then calls methods
// in the D3D device to draw to the window associated with it.
// Returns: true on success.
bool PaintD3D9BufferOntoWindow(IDirect3DDevice9* device,
IMFMediaBuffer* video_buffer) {
CHECK(device != NULL);
ScopedComPtr<IDirect3DSurface9> surface;
HRESULT hr = MFGetService(video_buffer, MR_BUFFER_SERVICE,
IID_PPV_ARGS(surface.Receive()));
if (FAILED(hr)) {
LOG(ERROR) << "Failed to get D3D9 surface from buffer";
return false;
}
hr = device->Clear(0, NULL, D3DCLEAR_TARGET, D3DCOLOR_XRGB(0, 0, 0),
1.0f, 0);
if (FAILED(hr)) {
LOG(ERROR) << "Device->Clear() failed";
return false;
}
ScopedComPtr<IDirect3DSurface9> backbuffer;
hr = device->GetBackBuffer(0, 0, D3DBACKBUFFER_TYPE_MONO,
backbuffer.Receive());
if (FAILED(hr)) {
LOG(ERROR) << "Device->GetBackBuffer() failed";
return false;
}
hr = device->StretchRect(surface.get(), NULL, backbuffer.get(), NULL,
D3DTEXF_NONE);
if (FAILED(hr)) {
LOG(ERROR) << "Device->StretchRect() failed";
return false;
}
hr = device->Present(NULL, NULL, NULL, NULL);
if (FAILED(hr)) {
if (hr == E_FAIL) {
LOG(WARNING) << "Present() returned E_FAIL";
} else {
static int frames_dropped = 0;
LOG(ERROR) << "Device->Present() failed "
<< std::hex << std::showbase << hr;
if (++frames_dropped == 10) {
LOG(ERROR) << "Dropped too many frames, quitting";
MessageLoopForUI::current()->QuitNow();
return false;
}
}
}
return true;
}
static void ReleaseOutputBuffer(VideoFrame* frame) {
if (frame != NULL &&
frame->type() == VideoFrame::TYPE_MFBUFFER ||
frame->type() == VideoFrame::TYPE_DIRECT3DSURFACE) {
static_cast<IMFMediaBuffer*>(frame->private_buffer())->Release();
}
}
// NullRenderer
NullRenderer::NullRenderer(MftH264Decoder* decoder) : MftRenderer(decoder) {}
NullRenderer::~NullRenderer() {}
void NullRenderer::ProcessFrame(scoped_refptr<VideoFrame> frame) {
ReleaseOutputBuffer(frame);
MessageLoop::current()->PostTask(
FROM_HERE, NewRunnableMethod(decoder_.get(),
&MftH264Decoder::GetOutput));
}
void NullRenderer::StartPlayback() {
MessageLoop::current()->PostTask(
FROM_HERE, NewRunnableMethod(decoder_.get(),
&MftH264Decoder::GetOutput));
}
void NullRenderer::StopPlayback() {
MessageLoop::current()->Quit();
}
// BasicRenderer
BasicRenderer::BasicRenderer(MftH264Decoder* decoder,
HWND window, IDirect3DDevice9* device)
: MftRenderer(decoder),
window_(window),
device_(device) {
}
BasicRenderer::~BasicRenderer() {}
void BasicRenderer::ProcessFrame(scoped_refptr<VideoFrame> frame) {
if (device_ != NULL) {
if (!PaintD3D9BufferOntoWindow(device_,
static_cast<IMFMediaBuffer*>(frame->private_buffer()))) {
MessageLoopForUI::current()->QuitNow();
}
} else {
if (!PaintMediaBufferOntoWindow(
window_, static_cast<IMFMediaBuffer*>(frame->private_buffer()),
frame->width(), frame->height(), frame->stride(0))) {
MessageLoopForUI::current()->QuitNow();
}
}
ReleaseOutputBuffer(frame);
MessageLoopForUI::current()->PostDelayedTask(
FROM_HERE, NewRunnableMethod(decoder_.get(),
&MftH264Decoder::GetOutput),
frame->GetDuration().InMilliseconds());
}
void BasicRenderer::StartPlayback() {
MessageLoopForUI::current()->PostTask(
FROM_HERE, NewRunnableMethod(decoder_.get(),
&MftH264Decoder::GetOutput));
}
void BasicRenderer::StopPlayback() {
MessageLoopForUI::current()->Quit();
}
} // namespace media
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