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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 <iostream>
#include <signal.h>
#include <X11/Xlib.h>
#include "base/at_exit.h"
#include "base/command_line.h"
#include "base/file_path.h"
#include "base/scoped_ptr.h"
#include "base/thread.h"
#include "media/base/media.h"
#include "media/base/media_switches.h"
#include "media/base/pipeline_impl.h"
#include "media/filters/audio_renderer_impl.h"
#include "media/filters/ffmpeg_audio_decoder.h"
#include "media/filters/ffmpeg_demuxer.h"
#include "media/filters/ffmpeg_video_decoder.h"
#include "media/filters/file_data_source.h"
#include "media/filters/null_audio_renderer.h"
#include "media/filters/omx_video_decoder.h"
#if defined(RENDERER_GL)
#include "media/tools/player_x11/gl_video_renderer.h"
typedef GlVideoRenderer Renderer;
#elif defined(RENDERER_GLES)
#include "media/tools/player_x11/gles_video_renderer.h"
typedef GlesVideoRenderer Renderer;
#elif defined(RENDERER_X11)
#include "media/tools/player_x11/x11_video_renderer.h"
typedef X11VideoRenderer Renderer;
#else
#error No video renderer defined.
#endif
Display* g_display = NULL;
Window g_window = 0;
bool g_running = false;
// Initialize X11. Returns true if successful. This method creates the X11
// window. Further initialization is done in X11VideoRenderer.
bool InitX11() {
g_display = XOpenDisplay(NULL);
if (!g_display) {
std::cout << "Error - cannot open display" << std::endl;
return false;
}
// Get properties of the screen.
int screen = DefaultScreen(g_display);
int root_window = RootWindow(g_display, screen);
// Creates the window.
g_window = XCreateSimpleWindow(g_display, root_window, 1, 1, 100, 50, 0,
BlackPixel(g_display, screen),
BlackPixel(g_display, screen));
XStoreName(g_display, g_window, "X11 Media Player");
XSelectInput(g_display, g_window, ExposureMask | ButtonPressMask);
XMapWindow(g_display, g_window);
return true;
}
bool InitPipeline(MessageLoop* message_loop,
const char* filename, bool enable_audio,
scoped_refptr<media::PipelineImpl>* pipeline) {
// Initialize OpenMAX.
if (CommandLine::ForCurrentProcess()->HasSwitch(
switches::kEnableOpenMax) &&
!media::InitializeOpenMaxLibrary(FilePath())) {
std::cout << "Unable to initialize OpenMAX library."<< std::endl;
return false;
}
// Load media libraries.
if (!media::InitializeMediaLibrary(FilePath())) {
std::cout << "Unable to initialize the media library." << std::endl;
return false;
}
// Create our filter factories.
scoped_refptr<media::FilterFactoryCollection> factories =
new media::FilterFactoryCollection();
factories->AddFactory(media::FileDataSource::CreateFactory());
factories->AddFactory(media::FFmpegAudioDecoder::CreateFactory());
factories->AddFactory(media::FFmpegDemuxer::CreateFilterFactory());
if (CommandLine::ForCurrentProcess()->HasSwitch(
switches::kEnableOpenMax)) {
factories->AddFactory(media::OmxVideoDecoder::CreateFactory());
}
factories->AddFactory(media::FFmpegVideoDecoder::CreateFactory());
factories->AddFactory(Renderer::CreateFactory(g_display, g_window));
if (enable_audio) {
factories->AddFactory(media::AudioRendererImpl::CreateFilterFactory());
} else {
factories->AddFactory(media::NullAudioRenderer::CreateFilterFactory());
}
// Creates the pipeline and start it.
*pipeline = new media::PipelineImpl(message_loop);
(*pipeline)->Start(factories, filename, NULL);
// Wait until the pipeline is fully initialized.
while (true) {
PlatformThread::Sleep(100);
if ((*pipeline)->IsInitialized())
break;
if ((*pipeline)->GetError() != media::PIPELINE_OK) {
(*pipeline)->Stop(NULL);
return false;
}
}
// And starts the playback.
(*pipeline)->SetPlaybackRate(1.0f);
return true;
}
void TerminateHandler(int signal) {
g_running = false;
}
void PeriodicalUpdate(MessageLoop* message_loop, bool audio_only) {
if (!g_running) {
message_loop->Quit();
return;
}
// Consume all the X events
while (XPending(g_display)) {
XEvent e;
XNextEvent(g_display, &e);
if (e.type == Expose) {
if (!audio_only) {
// Tell the renderer to paint.
DCHECK(Renderer::instance());
Renderer::instance()->Paint();
}
} else if (e.type == ButtonPress) {
g_running = false;
message_loop->Quit();
return;
}
}
message_loop->PostDelayedTask(FROM_HERE,
NewRunnableFunction(PeriodicalUpdate, message_loop, audio_only), 10);
}
int main(int argc, char** argv) {
// Read arguments.
if (argc == 1) {
std::cout << "Usage: " << argv[0] << " --file=FILE" << std::endl
<< std::endl
<< "Optional arguments:" << std::endl
<< " [--enable-openmax]"
<< " [--audio]"
<< " [--alsa-device=DEVICE]" << std::endl;
return 1;
}
// Read command line.
CommandLine::Init(argc, argv);
std::string filename =
CommandLine::ForCurrentProcess()->GetSwitchValueASCII("file");
bool enable_audio = CommandLine::ForCurrentProcess()->HasSwitch("audio");
bool audio_only = false;
// Install the signal handler.
signal(SIGTERM, &TerminateHandler);
signal(SIGINT, &TerminateHandler);
// Initialize X11.
if (!InitX11())
return 1;
// Initialize the pipeline thread and the pipeline.
base::AtExitManager at_exit;
scoped_ptr<base::Thread> thread;
scoped_refptr<media::PipelineImpl> pipeline;
thread.reset(new base::Thread("PipelineThread"));
thread->Start();
if (InitPipeline(thread->message_loop(), filename.c_str(),
enable_audio, &pipeline)) {
// Main loop of the application.
g_running = true;
// Check if video is present.
audio_only = !pipeline->IsRendered(media::mime_type::kMajorTypeVideo);
MessageLoop message_loop;
if (!audio_only) {
// Tell the renderer to paint.
DCHECK(Renderer::instance());
Renderer::instance()->set_glx_thread_message_loop(&message_loop);
}
message_loop.PostTask(FROM_HERE,
NewRunnableFunction(PeriodicalUpdate, &message_loop, audio_only));
message_loop.Run();
pipeline->Stop(NULL);
} else{
std::cout << "Pipeline initialization failed..." << std::endl;
}
// Cleanup tasks.
thread->Stop();
XDestroyWindow(g_display, g_window);
XCloseDisplay(g_display);
return 0;
}
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