| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| //#define LOG_NDEBUG 0 |
| #define LOG_TAG "NuPlayer" |
| #include <utils/Log.h> |
| |
| #include "NuPlayer.h" |
| |
| #include "HTTPLiveSource.h" |
| #include "NuPlayerDecoder.h" |
| #include "NuPlayerRenderer.h" |
| #include "NuPlayerSource.h" |
| #include "StreamingSource.h" |
| |
| #include "ATSParser.h" |
| |
| #include <media/stagefright/foundation/hexdump.h> |
| #include <media/stagefright/foundation/ABuffer.h> |
| #include <media/stagefright/foundation/ADebug.h> |
| #include <media/stagefright/foundation/AMessage.h> |
| #include <media/stagefright/ACodec.h> |
| #include <media/stagefright/MediaErrors.h> |
| #include <media/stagefright/MetaData.h> |
| #include <surfaceflinger/Surface.h> |
| |
| namespace android { |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| NuPlayer::NuPlayer() |
| : mAudioEOS(false), |
| mVideoEOS(false), |
| mScanSourcesPending(false), |
| mFlushingAudio(NONE), |
| mFlushingVideo(NONE) { |
| } |
| |
| NuPlayer::~NuPlayer() { |
| } |
| |
| void NuPlayer::setListener(const wp<MediaPlayerBase> &listener) { |
| mListener = listener; |
| } |
| |
| void NuPlayer::setDataSource(const sp<IStreamSource> &source) { |
| sp<AMessage> msg = new AMessage(kWhatSetDataSource, id()); |
| |
| msg->setObject("source", new StreamingSource(source)); |
| msg->post(); |
| } |
| |
| void NuPlayer::setDataSource( |
| const char *url, const KeyedVector<String8, String8> *headers) { |
| sp<AMessage> msg = new AMessage(kWhatSetDataSource, id()); |
| |
| msg->setObject("source", new HTTPLiveSource(url)); |
| msg->post(); |
| } |
| |
| void NuPlayer::setVideoSurface(const sp<Surface> &surface) { |
| sp<AMessage> msg = new AMessage(kWhatSetVideoSurface, id()); |
| msg->setObject("surface", surface); |
| msg->post(); |
| } |
| |
| void NuPlayer::setAudioSink(const sp<MediaPlayerBase::AudioSink> &sink) { |
| sp<AMessage> msg = new AMessage(kWhatSetAudioSink, id()); |
| msg->setObject("sink", sink); |
| msg->post(); |
| } |
| |
| void NuPlayer::start() { |
| (new AMessage(kWhatStart, id()))->post(); |
| } |
| |
| // static |
| bool NuPlayer::IsFlushingState(FlushStatus state, bool *formatChange) { |
| switch (state) { |
| case FLUSHING_DECODER: |
| if (formatChange != NULL) { |
| *formatChange = false; |
| } |
| return true; |
| |
| case FLUSHING_DECODER_FORMATCHANGE: |
| if (formatChange != NULL) { |
| *formatChange = true; |
| } |
| return true; |
| |
| default: |
| return false; |
| } |
| } |
| |
| void NuPlayer::onMessageReceived(const sp<AMessage> &msg) { |
| switch (msg->what()) { |
| case kWhatSetDataSource: |
| { |
| LOGI("kWhatSetDataSource"); |
| |
| CHECK(mSource == NULL); |
| |
| sp<RefBase> obj; |
| CHECK(msg->findObject("source", &obj)); |
| |
| mSource = static_cast<Source *>(obj.get()); |
| break; |
| } |
| |
| case kWhatSetVideoSurface: |
| { |
| LOGI("kWhatSetVideoSurface"); |
| |
| sp<RefBase> obj; |
| CHECK(msg->findObject("surface", &obj)); |
| |
| mSurface = static_cast<Surface *>(obj.get()); |
| break; |
| } |
| |
| case kWhatSetAudioSink: |
| { |
| LOGI("kWhatSetAudioSink"); |
| |
| sp<RefBase> obj; |
| CHECK(msg->findObject("sink", &obj)); |
| |
| mAudioSink = static_cast<MediaPlayerBase::AudioSink *>(obj.get()); |
| break; |
| } |
| |
| case kWhatStart: |
| { |
| mSource->start(); |
| |
| mRenderer = new Renderer( |
| mAudioSink, |
| new AMessage(kWhatRendererNotify, id())); |
| |
| looper()->registerHandler(mRenderer); |
| |
| (new AMessage(kWhatScanSources, id()))->post(); |
| mScanSourcesPending = true; |
| break; |
| } |
| |
| case kWhatScanSources: |
| { |
| mScanSourcesPending = false; |
| |
| instantiateDecoder(false, &mVideoDecoder); |
| |
| if (mAudioSink != NULL) { |
| instantiateDecoder(true, &mAudioDecoder); |
| } |
| |
| if (!mSource->feedMoreTSData()) { |
| break; |
| } |
| |
| if (mAudioDecoder == NULL || mVideoDecoder == NULL) { |
| msg->post(100000ll); |
| mScanSourcesPending = true; |
| } |
| break; |
| } |
| |
| case kWhatVideoNotify: |
| case kWhatAudioNotify: |
| { |
| bool audio = msg->what() == kWhatAudioNotify; |
| |
| sp<AMessage> codecRequest; |
| CHECK(msg->findMessage("codec-request", &codecRequest)); |
| |
| int32_t what; |
| CHECK(codecRequest->findInt32("what", &what)); |
| |
| if (what == ACodec::kWhatFillThisBuffer) { |
| status_t err = feedDecoderInputData( |
| audio, codecRequest); |
| |
| if (err == -EWOULDBLOCK) { |
| if (mSource->feedMoreTSData()) { |
| msg->post(); |
| } |
| } |
| } else if (what == ACodec::kWhatEOS) { |
| mRenderer->queueEOS(audio, ERROR_END_OF_STREAM); |
| } else if (what == ACodec::kWhatFlushCompleted) { |
| bool formatChange; |
| |
| if (audio) { |
| CHECK(IsFlushingState(mFlushingAudio, &formatChange)); |
| mFlushingAudio = FLUSHED; |
| } else { |
| CHECK(IsFlushingState(mFlushingVideo, &formatChange)); |
| mFlushingVideo = FLUSHED; |
| } |
| |
| LOGI("decoder %s flush completed", audio ? "audio" : "video"); |
| |
| if (formatChange) { |
| LOGI("initiating %s decoder shutdown", |
| audio ? "audio" : "video"); |
| |
| (audio ? mAudioDecoder : mVideoDecoder)->initiateShutdown(); |
| |
| if (audio) { |
| mFlushingAudio = SHUTTING_DOWN_DECODER; |
| } else { |
| mFlushingVideo = SHUTTING_DOWN_DECODER; |
| } |
| } |
| |
| finishFlushIfPossible(); |
| } else if (what == ACodec::kWhatOutputFormatChanged) { |
| CHECK(audio); |
| |
| int32_t numChannels; |
| CHECK(codecRequest->findInt32("channel-count", &numChannels)); |
| |
| int32_t sampleRate; |
| CHECK(codecRequest->findInt32("sample-rate", &sampleRate)); |
| |
| LOGI("Audio output format changed to %d Hz, %d channels", |
| sampleRate, numChannels); |
| |
| mAudioSink->close(); |
| CHECK_EQ(mAudioSink->open(sampleRate, numChannels), (status_t)OK); |
| mAudioSink->start(); |
| |
| mRenderer->signalAudioSinkChanged(); |
| } else if (what == ACodec::kWhatShutdownCompleted) { |
| LOGI("%s shutdown completed", audio ? "audio" : "video"); |
| if (audio) { |
| mAudioDecoder.clear(); |
| |
| CHECK_EQ((int)mFlushingAudio, (int)SHUTTING_DOWN_DECODER); |
| mFlushingAudio = SHUT_DOWN; |
| } else { |
| mVideoDecoder.clear(); |
| |
| CHECK_EQ((int)mFlushingVideo, (int)SHUTTING_DOWN_DECODER); |
| mFlushingVideo = SHUT_DOWN; |
| } |
| |
| finishFlushIfPossible(); |
| } else { |
| CHECK_EQ((int)what, (int)ACodec::kWhatDrainThisBuffer); |
| |
| renderBuffer(audio, codecRequest); |
| } |
| |
| break; |
| } |
| |
| case kWhatRendererNotify: |
| { |
| int32_t what; |
| CHECK(msg->findInt32("what", &what)); |
| |
| if (what == Renderer::kWhatEOS) { |
| int32_t audio; |
| CHECK(msg->findInt32("audio", &audio)); |
| |
| if (audio) { |
| mAudioEOS = true; |
| } else { |
| mVideoEOS = true; |
| } |
| |
| LOGI("reached %s EOS", audio ? "audio" : "video"); |
| |
| if ((mAudioEOS || mAudioDecoder == NULL) |
| && (mVideoEOS || mVideoDecoder == NULL)) { |
| notifyListener(MEDIA_PLAYBACK_COMPLETE, 0, 0); |
| } |
| } else { |
| CHECK_EQ(what, (int32_t)Renderer::kWhatFlushComplete); |
| |
| int32_t audio; |
| CHECK(msg->findInt32("audio", &audio)); |
| |
| LOGI("renderer %s flush completed.", audio ? "audio" : "video"); |
| } |
| break; |
| } |
| |
| case kWhatMoreDataQueued: |
| { |
| break; |
| } |
| |
| default: |
| TRESPASS(); |
| break; |
| } |
| } |
| |
| void NuPlayer::finishFlushIfPossible() { |
| if (mFlushingAudio != FLUSHED && mFlushingAudio != SHUT_DOWN) { |
| return; |
| } |
| |
| if (mFlushingVideo != FLUSHED && mFlushingVideo != SHUT_DOWN) { |
| return; |
| } |
| |
| LOGI("both audio and video are flushed now."); |
| |
| mRenderer->signalTimeDiscontinuity(); |
| |
| bool scanSourcesAgain = false; |
| |
| if (mFlushingAudio == SHUT_DOWN) { |
| scanSourcesAgain = true; |
| } else if (mAudioDecoder != NULL) { |
| mAudioDecoder->signalResume(); |
| } |
| |
| if (mFlushingVideo == SHUT_DOWN) { |
| scanSourcesAgain = true; |
| } else if (mVideoDecoder != NULL) { |
| mVideoDecoder->signalResume(); |
| } |
| |
| mFlushingAudio = NONE; |
| mFlushingVideo = NONE; |
| |
| if (scanSourcesAgain && !mScanSourcesPending) { |
| mScanSourcesPending = true; |
| (new AMessage(kWhatScanSources, id()))->post(); |
| } |
| } |
| |
| status_t NuPlayer::instantiateDecoder(bool audio, sp<Decoder> *decoder) { |
| if (*decoder != NULL) { |
| return OK; |
| } |
| |
| sp<MetaData> meta = mSource->getFormat(audio); |
| |
| if (meta == NULL) { |
| return -EWOULDBLOCK; |
| } |
| |
| sp<AMessage> notify = |
| new AMessage(audio ? kWhatAudioNotify : kWhatVideoNotify, |
| id()); |
| |
| *decoder = new Decoder(notify, audio ? NULL : mSurface); |
| looper()->registerHandler(*decoder); |
| |
| (*decoder)->configure(meta); |
| |
| return OK; |
| } |
| |
| status_t NuPlayer::feedDecoderInputData(bool audio, const sp<AMessage> &msg) { |
| sp<AMessage> reply; |
| CHECK(msg->findMessage("reply", &reply)); |
| |
| if ((audio && IsFlushingState(mFlushingAudio)) |
| || (!audio && IsFlushingState(mFlushingVideo))) { |
| reply->setInt32("err", INFO_DISCONTINUITY); |
| reply->post(); |
| return OK; |
| } |
| |
| sp<ABuffer> accessUnit; |
| status_t err = mSource->dequeueAccessUnit(audio, &accessUnit); |
| |
| if (err == -EWOULDBLOCK) { |
| return err; |
| } else if (err != OK) { |
| if (err == INFO_DISCONTINUITY) { |
| int32_t type; |
| CHECK(accessUnit->meta()->findInt32("discontinuity", &type)); |
| |
| bool formatChange = |
| type == ATSParser::DISCONTINUITY_FORMATCHANGE; |
| |
| LOGI("%s discontinuity (formatChange=%d)", |
| audio ? "audio" : "video", formatChange); |
| |
| (audio ? mAudioDecoder : mVideoDecoder)->signalFlush(); |
| mRenderer->flush(audio); |
| |
| if (audio) { |
| CHECK(mFlushingAudio == NONE |
| || mFlushingAudio == AWAITING_DISCONTINUITY); |
| |
| mFlushingAudio = formatChange |
| ? FLUSHING_DECODER_FORMATCHANGE : FLUSHING_DECODER; |
| |
| if (mFlushingVideo == NONE) { |
| mFlushingVideo = (mVideoDecoder != NULL) |
| ? AWAITING_DISCONTINUITY |
| : FLUSHED; |
| } |
| } else { |
| CHECK(mFlushingVideo == NONE |
| || mFlushingVideo == AWAITING_DISCONTINUITY); |
| |
| mFlushingVideo = formatChange |
| ? FLUSHING_DECODER_FORMATCHANGE : FLUSHING_DECODER; |
| |
| if (mFlushingAudio == NONE) { |
| mFlushingAudio = (mAudioDecoder != NULL) |
| ? AWAITING_DISCONTINUITY |
| : FLUSHED; |
| } |
| } |
| } |
| |
| reply->setInt32("err", err); |
| reply->post(); |
| return OK; |
| } |
| |
| LOGV("returned a valid buffer of %s data", audio ? "audio" : "video"); |
| |
| #if 0 |
| int64_t mediaTimeUs; |
| CHECK(accessUnit->meta()->findInt64("timeUs", &mediaTimeUs)); |
| LOGI("feeding %s input buffer at media time %.2f secs", |
| audio ? "audio" : "video", |
| mediaTimeUs / 1E6); |
| #endif |
| |
| reply->setObject("buffer", accessUnit); |
| reply->post(); |
| |
| return OK; |
| } |
| |
| void NuPlayer::renderBuffer(bool audio, const sp<AMessage> &msg) { |
| LOGV("renderBuffer %s", audio ? "audio" : "video"); |
| |
| sp<AMessage> reply; |
| CHECK(msg->findMessage("reply", &reply)); |
| |
| sp<RefBase> obj; |
| CHECK(msg->findObject("buffer", &obj)); |
| |
| sp<ABuffer> buffer = static_cast<ABuffer *>(obj.get()); |
| |
| mRenderer->queueBuffer(audio, buffer, reply); |
| } |
| |
| void NuPlayer::notifyListener(int msg, int ext1, int ext2) { |
| if (mListener == NULL) { |
| return; |
| } |
| |
| sp<MediaPlayerBase> listener = mListener.promote(); |
| |
| if (listener == NULL) { |
| return; |
| } |
| |
| listener->sendEvent(msg, ext1, ext2); |
| } |
| |
| } // namespace android |