diff options
Diffstat (limited to 'media/libmediaplayerservice/nuplayer/NuPlayer.cpp')
| -rw-r--r-- | media/libmediaplayerservice/nuplayer/NuPlayer.cpp | 663 |
1 files changed, 663 insertions, 0 deletions
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp new file mode 100644 index 0000000..1fcf92b --- /dev/null +++ b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp @@ -0,0 +1,663 @@ +/* + * 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 "NuPlayerDriver.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), + mScanSourcesGeneration(0), + mFlushingAudio(NONE), + mFlushingVideo(NONE), + mResetInProgress(false), + mResetPostponed(false) { +} + +NuPlayer::~NuPlayer() { +} + +void NuPlayer::setDriver(const wp<NuPlayerDriver> &driver) { + mDriver = driver; +} + +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(); +} + +void NuPlayer::pause() { + (new AMessage(kWhatPause, id()))->post(); +} + +void NuPlayer::resume() { + (new AMessage(kWhatResume, id()))->post(); +} + +void NuPlayer::resetAsync() { + (new AMessage(kWhatReset, id()))->post(); +} + +void NuPlayer::seekToAsync(int64_t seekTimeUs) { + sp<AMessage> msg = new AMessage(kWhatSeek, id()); + msg->setInt64("seekTimeUs", seekTimeUs); + msg->post(); +} + +// static +bool NuPlayer::IsFlushingState(FlushStatus state, bool *needShutdown) { + switch (state) { + case FLUSHING_DECODER: + if (needShutdown != NULL) { + *needShutdown = false; + } + return true; + + case FLUSHING_DECODER_SHUTDOWN: + if (needShutdown != NULL) { + *needShutdown = true; + } + return true; + + default: + return false; + } +} + +void NuPlayer::onMessageReceived(const sp<AMessage> &msg) { + switch (msg->what()) { + case kWhatSetDataSource: + { + LOGV("kWhatSetDataSource"); + + CHECK(mSource == NULL); + + sp<RefBase> obj; + CHECK(msg->findObject("source", &obj)); + + mSource = static_cast<Source *>(obj.get()); + break; + } + + case kWhatSetVideoSurface: + { + LOGV("kWhatSetVideoSurface"); + + sp<RefBase> obj; + CHECK(msg->findObject("surface", &obj)); + + mSurface = static_cast<Surface *>(obj.get()); + break; + } + + case kWhatSetAudioSink: + { + LOGV("kWhatSetAudioSink"); + + sp<RefBase> obj; + CHECK(msg->findObject("sink", &obj)); + + mAudioSink = static_cast<MediaPlayerBase::AudioSink *>(obj.get()); + break; + } + + case kWhatStart: + { + LOGV("kWhatStart"); + + mAudioEOS = false; + mVideoEOS = false; + + mSource->start(); + + mRenderer = new Renderer( + mAudioSink, + new AMessage(kWhatRendererNotify, id())); + + looper()->registerHandler(mRenderer); + + postScanSources(); + break; + } + + case kWhatScanSources: + { + int32_t generation; + CHECK(msg->findInt32("generation", &generation)); + if (generation != mScanSourcesGeneration) { + // Drop obsolete msg. + break; + } + + mScanSourcesPending = false; + + LOGV("scanning sources haveAudio=%d, haveVideo=%d", + mAudioDecoder != NULL, mVideoDecoder != NULL); + + instantiateDecoder(false, &mVideoDecoder); + + if (mAudioSink != NULL) { + instantiateDecoder(true, &mAudioDecoder); + } + + if (!mSource->feedMoreTSData()) { + if (mAudioDecoder == NULL && mVideoDecoder == NULL) { + // We're not currently decoding anything (no audio or + // video tracks found) and we just ran out of input data. + notifyListener(MEDIA_PLAYBACK_COMPLETE, 0, 0); + } + 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 needShutdown; + + if (audio) { + CHECK(IsFlushingState(mFlushingAudio, &needShutdown)); + mFlushingAudio = FLUSHED; + } else { + CHECK(IsFlushingState(mFlushingVideo, &needShutdown)); + mFlushingVideo = FLUSHED; + } + + LOGV("decoder %s flush completed", audio ? "audio" : "video"); + + if (needShutdown) { + LOGV("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) { + if (audio) { + int32_t numChannels; + CHECK(codecRequest->findInt32("channel-count", &numChannels)); + + int32_t sampleRate; + CHECK(codecRequest->findInt32("sample-rate", &sampleRate)); + + LOGV("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 { + // video + + int32_t width, height; + CHECK(codecRequest->findInt32("width", &width)); + CHECK(codecRequest->findInt32("height", &height)); + + int32_t cropLeft, cropTop, cropRight, cropBottom; + CHECK(codecRequest->findRect( + "crop", + &cropLeft, &cropTop, &cropRight, &cropBottom)); + + LOGV("Video output format changed to %d x %d " + "(crop: %d, %d, %d, %d)", + width, height, + cropLeft, cropTop, cropRight, cropBottom); + + notifyListener( + MEDIA_SET_VIDEO_SIZE, + cropRight - cropLeft + 1, + cropBottom - cropTop + 1); + } + } else if (what == ACodec::kWhatShutdownCompleted) { + LOGV("%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; + } + + LOGV("reached %s EOS", audio ? "audio" : "video"); + + if ((mAudioEOS || mAudioDecoder == NULL) + && (mVideoEOS || mVideoDecoder == NULL)) { + notifyListener(MEDIA_PLAYBACK_COMPLETE, 0, 0); + } + } else if (what == Renderer::kWhatPosition) { + int64_t positionUs; + CHECK(msg->findInt64("positionUs", &positionUs)); + + if (mDriver != NULL) { + sp<NuPlayerDriver> driver = mDriver.promote(); + if (driver != NULL) { + driver->notifyPosition(positionUs); + } + } + } else { + CHECK_EQ(what, (int32_t)Renderer::kWhatFlushComplete); + + int32_t audio; + CHECK(msg->findInt32("audio", &audio)); + + LOGV("renderer %s flush completed.", audio ? "audio" : "video"); + } + break; + } + + case kWhatMoreDataQueued: + { + break; + } + + case kWhatReset: + { + LOGV("kWhatReset"); + + if (mFlushingAudio != NONE || mFlushingVideo != NONE) { + // We're currently flushing, postpone the reset until that's + // completed. + + LOGV("postponing reset"); + + mResetPostponed = true; + break; + } + + if (mAudioDecoder == NULL && mVideoDecoder == NULL) { + finishReset(); + break; + } + + if (mAudioDecoder != NULL) { + flushDecoder(true /* audio */, true /* needShutdown */); + } + + if (mVideoDecoder != NULL) { + flushDecoder(false /* audio */, true /* needShutdown */); + } + + mResetInProgress = true; + break; + } + + case kWhatSeek: + { + int64_t seekTimeUs; + CHECK(msg->findInt64("seekTimeUs", &seekTimeUs)); + + LOGV("kWhatSeek seekTimeUs=%lld us (%.2f secs)", + seekTimeUs, seekTimeUs / 1E6); + + mSource->seekTo(seekTimeUs); + + if (mDriver != NULL) { + sp<NuPlayerDriver> driver = mDriver.promote(); + if (driver != NULL) { + driver->notifySeekComplete(); + } + } + + break; + } + + case kWhatPause: + { + CHECK(mRenderer != NULL); + mRenderer->pause(); + break; + } + + case kWhatResume: + { + CHECK(mRenderer != NULL); + mRenderer->resume(); + break; + } + + default: + TRESPASS(); + break; + } +} + +void NuPlayer::finishFlushIfPossible() { + if (mFlushingAudio != FLUSHED && mFlushingAudio != SHUT_DOWN) { + return; + } + + if (mFlushingVideo != FLUSHED && mFlushingVideo != SHUT_DOWN) { + return; + } + + LOGV("both audio and video are flushed now."); + + mRenderer->signalTimeDiscontinuity(); + + if (mAudioDecoder != NULL) { + mAudioDecoder->signalResume(); + } + + if (mVideoDecoder != NULL) { + mVideoDecoder->signalResume(); + } + + mFlushingAudio = NONE; + mFlushingVideo = NONE; + + if (mResetInProgress) { + LOGV("reset completed"); + + mResetInProgress = false; + finishReset(); + } else if (mResetPostponed) { + (new AMessage(kWhatReset, id()))->post(); + mResetPostponed = false; + } else if (mAudioDecoder == NULL || mVideoDecoder == NULL) { + postScanSources(); + } +} + +void NuPlayer::finishReset() { + CHECK(mAudioDecoder == NULL); + CHECK(mVideoDecoder == NULL); + + mRenderer.clear(); + mSource.clear(); + + if (mDriver != NULL) { + sp<NuPlayerDriver> driver = mDriver.promote(); + if (driver != NULL) { + driver->notifyResetComplete(); + } + } +} + +void NuPlayer::postScanSources() { + if (mScanSourcesPending) { + return; + } + + sp<AMessage> msg = new AMessage(kWhatScanSources, id()); + msg->setInt32("generation", mScanSourcesGeneration); + msg->post(); + + mScanSourcesPending = true; +} + +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); + + int64_t durationUs; + if (mDriver != NULL && mSource->getDuration(&durationUs) == OK) { + sp<NuPlayerDriver> driver = mDriver.promote(); + if (driver != NULL) { + driver->notifyDuration(durationUs); + } + } + + 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; + + LOGV("%s discontinuity (formatChange=%d)", + audio ? "audio" : "video", formatChange); + + flushDecoder(audio, formatChange); + } + + 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)); + LOGV("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 (mDriver == NULL) { + return; + } + + sp<NuPlayerDriver> driver = mDriver.promote(); + + if (driver == NULL) { + return; + } + + driver->sendEvent(msg, ext1, ext2); +} + +void NuPlayer::flushDecoder(bool audio, bool needShutdown) { + // Make sure we don't continue to scan sources until we finish flushing. + ++mScanSourcesGeneration; + mScanSourcesPending = false; + + (audio ? mAudioDecoder : mVideoDecoder)->signalFlush(); + mRenderer->flush(audio); + + FlushStatus newStatus = + needShutdown ? FLUSHING_DECODER_SHUTDOWN : FLUSHING_DECODER; + + if (audio) { + CHECK(mFlushingAudio == NONE + || mFlushingAudio == AWAITING_DISCONTINUITY); + + mFlushingAudio = newStatus; + + if (mFlushingVideo == NONE) { + mFlushingVideo = (mVideoDecoder != NULL) + ? AWAITING_DISCONTINUITY + : FLUSHED; + } + } else { + CHECK(mFlushingVideo == NONE + || mFlushingVideo == AWAITING_DISCONTINUITY); + + mFlushingVideo = newStatus; + + if (mFlushingAudio == NONE) { + mFlushingAudio = (mAudioDecoder != NULL) + ? AWAITING_DISCONTINUITY + : FLUSHED; + } + } +} + +} // namespace android |