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#include <binder/ProcessState.h>
#include <media/IStreamSource.h>
#include <media/mediaplayer.h>
#include <media/stagefright/foundation/ADebug.h>
#include <media/stagefright/foundation/AMessage.h>
#include <binder/IServiceManager.h>
#include <media/IMediaPlayerService.h>
#include <surfaceflinger/ISurfaceComposer.h>
#include <surfaceflinger/SurfaceComposerClient.h>
#include <fcntl.h>
using namespace android;
struct MyStreamSource : public BnStreamSource {
// Caller retains ownership of fd.
MyStreamSource(int fd);
virtual void setListener(const sp<IStreamListener> &listener);
virtual void setBuffers(const Vector<sp<IMemory> > &buffers);
virtual void onBufferAvailable(size_t index);
protected:
virtual ~MyStreamSource();
private:
int mFd;
off64_t mFileSize;
int64_t mNextSeekTimeUs;
sp<IStreamListener> mListener;
Vector<sp<IMemory> > mBuffers;
DISALLOW_EVIL_CONSTRUCTORS(MyStreamSource);
};
MyStreamSource::MyStreamSource(int fd)
: mFd(fd),
mFileSize(0),
mNextSeekTimeUs(-1) { // ALooper::GetNowUs() + 5000000ll) {
CHECK_GE(fd, 0);
mFileSize = lseek64(fd, 0, SEEK_END);
lseek64(fd, 0, SEEK_SET);
}
MyStreamSource::~MyStreamSource() {
}
void MyStreamSource::setListener(const sp<IStreamListener> &listener) {
mListener = listener;
}
void MyStreamSource::setBuffers(const Vector<sp<IMemory> > &buffers) {
mBuffers = buffers;
}
void MyStreamSource::onBufferAvailable(size_t index) {
CHECK_LT(index, mBuffers.size());
if (mNextSeekTimeUs >= 0 && mNextSeekTimeUs <= ALooper::GetNowUs()) {
off64_t offset = (off64_t)(((float)rand() / RAND_MAX) * mFileSize * 0.8);
offset = (offset / 188) * 188;
lseek(mFd, offset, SEEK_SET);
mListener->issueCommand(
IStreamListener::DISCONTINUITY, false /* synchronous */);
mNextSeekTimeUs = -1;
mNextSeekTimeUs = ALooper::GetNowUs() + 5000000ll;
}
sp<IMemory> mem = mBuffers.itemAt(index);
ssize_t n = read(mFd, mem->pointer(), mem->size());
if (n <= 0) {
mListener->issueCommand(IStreamListener::EOS, false /* synchronous */);
} else {
mListener->queueBuffer(index, n);
}
}
////////////////////////////////////////////////////////////////////////////////
struct MyClient : public BnMediaPlayerClient {
MyClient()
: mEOS(false) {
}
virtual void notify(int msg, int ext1, int ext2) {
Mutex::Autolock autoLock(mLock);
if (msg == MEDIA_ERROR || msg == MEDIA_PLAYBACK_COMPLETE) {
mEOS = true;
mCondition.signal();
}
}
void waitForEOS() {
Mutex::Autolock autoLock(mLock);
while (!mEOS) {
mCondition.wait(mLock);
}
}
protected:
virtual ~MyClient() {
}
private:
Mutex mLock;
Condition mCondition;
bool mEOS;
DISALLOW_EVIL_CONSTRUCTORS(MyClient);
};
int main(int argc, char **argv) {
android::ProcessState::self()->startThreadPool();
if (argc != 2) {
fprintf(stderr, "Usage: %s filename\n", argv[0]);
return 1;
}
sp<SurfaceComposerClient> composerClient = new SurfaceComposerClient;
CHECK_EQ(composerClient->initCheck(), (status_t)OK);
sp<SurfaceControl> control =
composerClient->createSurface(
getpid(),
String8("A Surface"),
0,
1280,
800,
PIXEL_FORMAT_RGB_565,
0);
CHECK(control != NULL);
CHECK(control->isValid());
CHECK_EQ(composerClient->openTransaction(), (status_t)OK);
CHECK_EQ(control->setLayer(30000), (status_t)OK);
CHECK_EQ(control->show(), (status_t)OK);
CHECK_EQ(composerClient->closeTransaction(), (status_t)OK);
sp<Surface> surface = control->getSurface();
CHECK(surface != NULL);
sp<IServiceManager> sm = defaultServiceManager();
sp<IBinder> binder = sm->getService(String16("media.player"));
sp<IMediaPlayerService> service = interface_cast<IMediaPlayerService>(binder);
CHECK(service.get() != NULL);
int fd = open(argv[1], O_RDONLY);
if (fd < 0) {
fprintf(stderr, "Failed to open file '%s'.", argv[1]);
return 1;
}
sp<MyClient> client = new MyClient;
sp<IMediaPlayer> player =
service->create(getpid(), client, new MyStreamSource(fd), 0);
if (player != NULL) {
player->setVideoSurface(surface);
player->start();
client->waitForEOS();
player->stop();
} else {
fprintf(stderr, "failed to instantiate player.\n");
}
close(fd);
fd = -1;
composerClient->dispose();
return 0;
}
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