ssize_t InStream::read(void* buffer, size_t bytes) {
int ret = 0;
LOGFUNC("%s(%p, %p, %d)", __func__, this, buffer, bytes);
AutoMutex lock(mLock);
if (mStandby) {
if (startInputStream())
return -EBUSY;
}
ret = pcm_read(mPcm, buffer, bytes);
ALOGV("pcm_read(%p, %p, %d) returned %d", mPcm, buffer, bytes, ret);
if (ret >= 0 && mDev.mMicMute)
memset(buffer, 0, bytes);
if (ret < 0) {
ALOGE("pcm_read(%p, %p, %d) returned %d", mPcm, buffer, bytes, ret);
usleep(bytes * 1000000 /
audio_stream_frame_size(&audio_stream_in()->common) /
mConfig.rate);
}
return bytes;
}
/* Starts the connection to the streaming machine */
int LiStartConnection(const char* host, PSTREAM_CONFIGURATION streamConfig, PCONNECTION_LISTENER_CALLBACKS clCallbacks,
PDECODER_RENDERER_CALLBACKS drCallbacks, PAUDIO_RENDERER_CALLBACKS arCallbacks,
void* renderContext, int drFlags, int _serverMajorVersion) {
int err;
ServerMajorVersion = _serverMajorVersion;
memcpy(&StreamConfig, streamConfig, sizeof(StreamConfig));
// Replace missing callbacks with placeholders
fixupMissingCallbacks(&drCallbacks, &arCallbacks, &clCallbacks);
memcpy(&VideoCallbacks, drCallbacks, sizeof(VideoCallbacks));
memcpy(&AudioCallbacks, arCallbacks, sizeof(AudioCallbacks));
// Hook the termination callback so we can avoid issuing a termination callback
// after LiStopConnection() is called
originalTerminationCallback = clCallbacks->connectionTerminated;
memcpy(&ListenerCallbacks, clCallbacks, sizeof(ListenerCallbacks));
ListenerCallbacks.connectionTerminated = ClInternalConnectionTerminated;
alreadyTerminated = 0;
Limelog("Initializing platform...");
ListenerCallbacks.stageStarting(STAGE_PLATFORM_INIT);
err = initializePlatform();
if (err != 0) {
Limelog("failed: %d\n", err);
ListenerCallbacks.stageFailed(STAGE_PLATFORM_INIT, err);
goto Cleanup;
}
stage++;
LC_ASSERT(stage == STAGE_PLATFORM_INIT);
ListenerCallbacks.stageComplete(STAGE_PLATFORM_INIT);
Limelog("done\n");
Limelog("Resolving host name...");
ListenerCallbacks.stageStarting(STAGE_NAME_RESOLUTION);
err = resolveHostName(host);
if (err != 0) {
Limelog("failed: %d\n", err);
ListenerCallbacks.stageFailed(STAGE_NAME_RESOLUTION, err);
goto Cleanup;
}
stage++;
LC_ASSERT(stage == STAGE_NAME_RESOLUTION);
ListenerCallbacks.stageComplete(STAGE_NAME_RESOLUTION);
Limelog("done\n");
Limelog("Starting RTSP handshake...");
ListenerCallbacks.stageStarting(STAGE_RTSP_HANDSHAKE);
err = performRtspHandshake();
if (err != 0) {
Limelog("failed: %d\n", err);
ListenerCallbacks.stageFailed(STAGE_RTSP_HANDSHAKE, err);
goto Cleanup;
}
stage++;
LC_ASSERT(stage == STAGE_RTSP_HANDSHAKE);
ListenerCallbacks.stageComplete(STAGE_RTSP_HANDSHAKE);
Limelog("done\n");
Limelog("Initializing control stream...");
ListenerCallbacks.stageStarting(STAGE_CONTROL_STREAM_INIT);
err = initializeControlStream();
if (err != 0) {
Limelog("failed: %d\n", err);
ListenerCallbacks.stageFailed(STAGE_CONTROL_STREAM_INIT, err);
goto Cleanup;
}
stage++;
LC_ASSERT(stage == STAGE_CONTROL_STREAM_INIT);
ListenerCallbacks.stageComplete(STAGE_CONTROL_STREAM_INIT);
Limelog("done\n");
Limelog("Initializing video stream...");
ListenerCallbacks.stageStarting(STAGE_VIDEO_STREAM_INIT);
initializeVideoStream();
stage++;
LC_ASSERT(stage == STAGE_VIDEO_STREAM_INIT);
ListenerCallbacks.stageComplete(STAGE_VIDEO_STREAM_INIT);
Limelog("done\n");
Limelog("Initializing audio stream...");
ListenerCallbacks.stageStarting(STAGE_AUDIO_STREAM_INIT);
initializeAudioStream();
stage++;
LC_ASSERT(stage == STAGE_AUDIO_STREAM_INIT);
ListenerCallbacks.stageComplete(STAGE_AUDIO_STREAM_INIT);
Limelog("done\n");
Limelog("Initializing input stream...");
ListenerCallbacks.stageStarting(STAGE_INPUT_STREAM_INIT);
initializeInputStream(streamConfig->remoteInputAesKey, sizeof(streamConfig->remoteInputAesKey),
streamConfig->remoteInputAesIv, sizeof(streamConfig->remoteInputAesIv));
stage++;
LC_ASSERT(stage == STAGE_INPUT_STREAM_INIT);
ListenerCallbacks.stageComplete(STAGE_INPUT_STREAM_INIT);
Limelog("done\n");
Limelog("Starting control stream...");
ListenerCallbacks.stageStarting(STAGE_CONTROL_STREAM_START);
err = startControlStream();
if (err != 0) {
Limelog("failed: %d\n", err);
ListenerCallbacks.stageFailed(STAGE_CONTROL_STREAM_START, err);
goto Cleanup;
}
stage++;
LC_ASSERT(stage == STAGE_CONTROL_STREAM_START);
ListenerCallbacks.stageComplete(STAGE_CONTROL_STREAM_START);
Limelog("done\n");
Limelog("Starting video stream...");
ListenerCallbacks.stageStarting(STAGE_VIDEO_STREAM_START);
err = startVideoStream(renderContext, drFlags);
if (err != 0) {
Limelog("Video stream start failed: %d\n", err);
ListenerCallbacks.stageFailed(STAGE_VIDEO_STREAM_START, err);
goto Cleanup;
}
stage++;
LC_ASSERT(stage == STAGE_VIDEO_STREAM_START);
ListenerCallbacks.stageComplete(STAGE_VIDEO_STREAM_START);
Limelog("done\n");
Limelog("Starting audio stream...");
ListenerCallbacks.stageStarting(STAGE_AUDIO_STREAM_START);
err = startAudioStream();
if (err != 0) {
Limelog("Audio stream start failed: %d\n", err);
ListenerCallbacks.stageFailed(STAGE_AUDIO_STREAM_START, err);
goto Cleanup;
}
stage++;
LC_ASSERT(stage == STAGE_AUDIO_STREAM_START);
ListenerCallbacks.stageComplete(STAGE_AUDIO_STREAM_START);
Limelog("done\n");
Limelog("Starting input stream...");
ListenerCallbacks.stageStarting(STAGE_INPUT_STREAM_START);
err = startInputStream();
if (err != 0) {
Limelog("Input stream start failed: %d\n", err);
ListenerCallbacks.stageFailed(STAGE_INPUT_STREAM_START, err);
goto Cleanup;
}
stage++;
LC_ASSERT(stage == STAGE_INPUT_STREAM_START);
ListenerCallbacks.stageComplete(STAGE_INPUT_STREAM_START);
Limelog("done\n");
ListenerCallbacks.connectionStarted();
Cleanup:
return err;
}
