/*
* 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 "NuPlayerCCDecoder.h"
#include "NuPlayerDecoder.h"
#include "NuPlayerDecoderBase.h"
#include "NuPlayerDecoderPassThrough.h"
#include "NuPlayerDriver.h"
#include "NuPlayerRenderer.h"
#include "NuPlayerSource.h"
#include "RTSPSource.h"
#include "StreamingSource.h"
#include "GenericSource.h"
#include "TextDescriptions.h"
#include "ATSParser.h"
#include <cutils/properties.h>
#include <media/AudioResamplerPublic.h>
#include <media/AVSyncSettings.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/MediaBuffer.h>
#include <media/stagefright/MediaDefs.h>
#include <media/stagefright/MediaErrors.h>
#include <media/stagefright/MetaData.h>
#include <gui/IGraphicBufferProducer.h>
#include <gui/Surface.h>
#include "avc_utils.h"
#include "ESDS.h"
#include <media/stagefright/Utils.h>
namespace android {
struct NuPlayer::Action : public RefBase {
Action() {}
virtual void execute(NuPlayer *player) = 0;
private:
DISALLOW_EVIL_CONSTRUCTORS(Action);
};
struct NuPlayer::SeekAction : public Action {
SeekAction(int64_t seekTimeUs)
: mSeekTimeUs(seekTimeUs) {
}
virtual void execute(NuPlayer *player) {
player->performSeek(mSeekTimeUs);
}
private:
int64_t mSeekTimeUs;
DISALLOW_EVIL_CONSTRUCTORS(SeekAction);
};
struct NuPlayer::ResumeDecoderAction : public Action {
ResumeDecoderAction(bool needNotify)
: mNeedNotify(needNotify) {
}
virtual void execute(NuPlayer *player) {
player->performResumeDecoders(mNeedNotify);
}
private:
bool mNeedNotify;
DISALLOW_EVIL_CONSTRUCTORS(ResumeDecoderAction);
};
struct NuPlayer::SetSurfaceAction : public Action {
SetSurfaceAction(const sp<Surface> &surface)
: mSurface(surface) {
}
virtual void execute(NuPlayer *player) {
player->performSetSurface(mSurface);
}
private:
sp<Surface> mSurface;
DISALLOW_EVIL_CONSTRUCTORS(SetSurfaceAction);
};
struct NuPlayer::FlushDecoderAction : public Action {
FlushDecoderAction(FlushCommand audio, FlushCommand video)
: mAudio(audio),
mVideo(video) {
}
virtual void execute(NuPlayer *player) {
player->performDecoderFlush(mAudio, mVideo);
}
private:
FlushCommand mAudio;
FlushCommand mVideo;
DISALLOW_EVIL_CONSTRUCTORS(FlushDecoderAction);
};
struct NuPlayer::PostMessageAction : public Action {
PostMessageAction(const sp<AMessage> &msg)
: mMessage(msg) {
}
virtual void execute(NuPlayer *) {
mMessage->post();
}
private:
sp<AMessage> mMessage;
DISALLOW_EVIL_CONSTRUCTORS(PostMessageAction);
};
// Use this if there's no state necessary to save in order to execute
// the action.
struct NuPlayer::SimpleAction : public Action {
typedef void (NuPlayer::*ActionFunc)();
SimpleAction(ActionFunc func)
: mFunc(func) {
}
virtual void execute(NuPlayer *player) {
(player->*mFunc)();
}
private:
ActionFunc mFunc;
DISALLOW_EVIL_CONSTRUCTORS(SimpleAction);
};
////////////////////////////////////////////////////////////////////////////////
NuPlayer::NuPlayer(pid_t pid)
: mUIDValid(false),
mPID(pid),
mSourceFlags(0),
mOffloadAudio(false),
mAudioDecoderGeneration(0),
mVideoDecoderGeneration(0),
mRendererGeneration(0),
mPreviousSeekTimeUs(0),
mAudioEOS(false),
mVideoEOS(false),
mScanSourcesPending(false),
mScanSourcesGeneration(0),
mPollDurationGeneration(0),
mTimedTextGeneration(0),
mFlushingAudio(NONE),
mFlushingVideo(NONE),
mResumePending(false),
mVideoScalingMode(NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW),
mPlaybackSettings(AUDIO_PLAYBACK_RATE_DEFAULT),
mVideoFpsHint(-1.f),
mStarted(false),
mSourceStarted(false),
mPaused(false),
mPausedByClient(false),
mPausedForBuffering(false) {
clearFlushComplete();
}
NuPlayer::~NuPlayer() {
}
void NuPlayer::setUID(uid_t uid) {
mUIDValid = true;
mUID = uid;
}
void NuPlayer::setDriver(const wp<NuPlayerDriver> &driver) {
mDriver = driver;
}
void NuPlayer::setDataSourceAsync(const sp<IStreamSource> &source) {
sp<AMessage> msg = new AMessage(kWhatSetDataSource, this);
sp<AMessage> notify = new AMessage(kWhatSourceNotify, this);
msg->setObject("source", new StreamingSource(notify, source));
msg->post();
}
static bool IsHTTPLiveURL(const char *url) {
if (!strncasecmp("http://", url, 7)
|| !strncasecmp("https://", url, 8)
|| !strncasecmp("file://", url, 7)) {
size_t len = strlen(url);
if (len >= 5 && !strcasecmp(".m3u8", &url[len - 5])) {
return true;
}
if (strstr(url,"m3u8")) {
return true;
}
}
return false;
}
void NuPlayer::setDataSourceAsync(
const sp<IMediaHTTPService> &httpService,
const char *url,
const KeyedVector<String8, String8> *headers) {
sp<AMessage> msg = new AMessage(kWhatSetDataSource, this);
size_t len = strlen(url);
sp<AMessage> notify = new AMessage(kWhatSourceNotify, this);
sp<Source> source;
if (IsHTTPLiveURL(url)) {
source = new HTTPLiveSource(notify, httpService, url, headers);
} else if (!strncasecmp(url, "rtsp://", 7)) {
source = new RTSPSource(
notify, httpService, url, headers, mUIDValid, mUID);
} else if ((!strncasecmp(url, "http://", 7)
|| !strncasecmp(url, "https://", 8))
&& ((len >= 4 && !strcasecmp(".sdp", &url[len - 4]))
|| strstr(url, ".sdp?"))) {
source = new RTSPSource(
notify, httpService, url, headers, mUIDValid, mUID, true);
} else {
sp<GenericSource> genericSource =
new GenericSource(notify, mUIDValid, mUID);
// Don't set FLAG_SECURE on mSourceFlags here for widevine.
// The correct flags will be updated in Source::kWhatFlagsChanged
// handler when GenericSource is prepared.
status_t err = genericSource->setDataSource(httpService, url, headers);
if (err == OK) {
source = genericSource;
} else {
ALOGE("Failed to set data source!");
}
}
msg->setObject("source", source);
msg->post();
}
void NuPlayer::setDataSourceAsync(int fd, int64_t offset, int64_t length) {
sp<AMessage> msg = new AMessage(kWhatSetDataSource, this);
sp<AMessage> notify = new AMessage(kWhatSourceNotify, this);
sp<GenericSource> source =
new GenericSource(notify, mUIDValid, mUID);
status_t err = source->setDataSource(fd, offset, length);
if (err != OK) {
ALOGE("Failed to set data source!");
source = NULL;
}
msg->setObject("source", source);
msg->post();
}
void NuPlayer::setDataSourceAsync(const sp<DataSource> &dataSource) {
sp<AMessage> msg = new AMessage(kWhatSetDataSource, this);
sp<AMessage> notify = new AMessage(kWhatSourceNotify, this);
sp<GenericSource> source = new GenericSource(notify, mUIDValid, mUID);
status_t err = source->setDataSource(dataSource);
if (err != OK) {
ALOGE("Failed to set data source!");
source = NULL;
}
msg->setObject("source", source);
msg->post();
}
void NuPlayer::prepareAsync() {
(new AMessage(kWhatPrepare, this))->post();
}
void NuPlayer::setVideoSurfaceTextureAsync(
const sp<IGraphicBufferProducer> &bufferProducer) {
sp<AMessage> msg = new AMessage(kWhatSetVideoSurface, this);
if (bufferProducer == NULL) {
msg->setObject("surface", NULL);
} else {
msg->setObject("surface", new Surface(bufferProducer, true /* controlledByApp */));
}
msg->post();
}
void NuPlayer::setAudioSink(const sp<MediaPlayerBase::AudioSink> &sink) {
sp<AMessage> msg = new AMessage(kWhatSetAudioSink, this);
msg->setObject("sink", sink);
msg->post();
}
void NuPlayer::start() {
(new AMessage(kWhatStart, this))->post();
}
status_t NuPlayer::setPlaybackSettings(const AudioPlaybackRate &rate) {
// do some cursory validation of the settings here. audio modes are
// only validated when set on the audiosink.
if ((rate.mSpeed != 0.f && rate.mSpeed < AUDIO_TIMESTRETCH_SPEED_MIN)
|| rate.mSpeed > AUDIO_TIMESTRETCH_SPEED_MAX
|| rate.mPitch < AUDIO_TIMESTRETCH_SPEED_MIN
|| rate.mPitch > AUDIO_TIMESTRETCH_SPEED_MAX) {
return BAD_VALUE;
}
sp<AMessage> msg = new AMessage(kWhatConfigPlayback, this);
writeToAMessage(msg, rate);
sp<AMessage> response;
status_t err = msg->postAndAwaitResponse(&response);
if (err == OK && response != NULL) {
CHECK(response->findInt32("err", &err));
}
return err;
}
status_t NuPlayer::getPlaybackSettings(AudioPlaybackRate *rate /* nonnull */) {
sp<AMessage> msg = new AMessage(kWhatGetPlaybackSettings, this);
sp<AMessage> response;
status_t err = msg->postAndAwaitResponse(&response);
if (err == OK && response != NULL) {
CHECK(response->findInt32("err", &err));
if (err == OK) {
readFromAMessage(response, rate);
}
}
return err;
}
status_t NuPlayer::setSyncSettings(const AVSyncSettings &sync, float videoFpsHint) {
sp<AMessage> msg = new AMessage(kWhatConfigSync, this);
writeToAMessage(msg, sync, videoFpsHint);
sp<AMessage> response;
status_t err = msg->postAndAwaitResponse(&response);
if (err == OK && response != NULL) {
CHECK(response->findInt32("err", &err));
}
return err;
}
status_t NuPlayer::getSyncSettings(
AVSyncSettings *sync /* nonnull */, float *videoFps /* nonnull */) {
sp<AMessage> msg = new AMessage(kWhatGetSyncSettings, this);
sp<AMessage> response;
status_t err = msg->postAndAwaitResponse(&response);
if (err == OK && response != NULL) {
CHECK(response->findInt32("err", &err));
if (err == OK) {
readFromAMessage(response, sync, videoFps);
}
}
return err;
}
void NuPlayer::pause() {
(new AMessage(kWhatPause, this))->post();
}
void NuPlayer::resetAsync() {
if (mSource != NULL) {
// During a reset, the data source might be unresponsive already, we need to
// disconnect explicitly so that reads exit promptly.
// We can't queue the disconnect request to the looper, as it might be
// queued behind a stuck read and never gets processed.
// Doing a disconnect outside the looper to allows the pending reads to exit
// (either successfully or with error).
mSource->disconnect();
}
(new AMessage(kWhatReset, this))->post();
}
void NuPlayer::seekToAsync(int64_t seekTimeUs, bool needNotify) {
sp<AMessage> msg = new AMessage(kWhatSeek, this);
msg->setInt64("seekTimeUs", seekTimeUs);
msg->setInt32("needNotify", needNotify);
msg->post();
}
void NuPlayer::writeTrackInfo(
Parcel* reply, const sp<AMessage> format) const {
int32_t trackType;
CHECK(format->findInt32("type", &trackType));
AString mime;
if (!format->findString("mime", &mime)) {
// Java MediaPlayer only uses mimetype for subtitle and timedtext tracks.
// If we can't find the mimetype here it means that we wouldn't be needing
// the mimetype on the Java end. We still write a placeholder mime to keep the
// (de)serialization logic simple.
if (trackType == MEDIA_TRACK_TYPE_AUDIO) {
mime = "audio/";
} else if (trackType == MEDIA_TRACK_TYPE_VIDEO) {
mime = "video/";
} else {
TRESPASS();
}
}
AString lang;
CHECK(format->findString("language", &lang));
reply->writeInt32(2); // write something non-zero
reply->writeInt32(trackType);
reply->writeString16(String16(mime.c_str()));
reply->writeString16(String16(lang.c_str()));
if (trackType == MEDIA_TRACK_TYPE_SUBTITLE) {
int32_t isAuto, isDefault, isForced;
CHECK(format->findInt32("auto", &isAuto));
CHECK(format->findInt32("default", &isDefault));
CHECK(format->findInt32("forced", &isForced));
reply->writeInt32(isAuto);
reply->writeInt32(isDefault);
reply->writeInt32(isForced);
}
}
void NuPlayer::onMessageReceived(const sp<AMessage> &msg) {
switch (msg->what()) {
case kWhatSetDataSource:
{
ALOGV("kWhatSetDataSource");
CHECK(mSource == NULL);
status_t err = OK;
sp<RefBase> obj;
CHECK(msg->findObject("source", &obj));
if (obj != NULL) {
mSource = static_cast<Source *>(obj.get());
} else {
err = UNKNOWN_ERROR;
}
CHECK(mDriver != NULL);
sp<NuPlayerDriver> driver = mDriver.promote();
if (driver != NULL) {
driver->notifySetDataSourceCompleted(err);
}
break;
}
case kWhatPrepare:
{
mSource->prepareAsync();
break;
}
case kWhatGetTrackInfo:
{
sp<AReplyToken> replyID;
CHECK(msg->senderAwaitsResponse(&replyID));
Parcel* reply;
CHECK(msg->findPointer("reply", (void**)&reply));
size_t inbandTracks = 0;
if (mSource != NULL) {
inbandTracks = mSource->getTrackCount();
}
size_t ccTracks = 0;
if (mCCDecoder != NULL) {
ccTracks = mCCDecoder->getTrackCount();
}
// total track count
reply->writeInt32(inbandTracks + ccTracks);
// write inband tracks
for (size_t i = 0; i < inbandTracks; ++i) {
writeTrackInfo(reply, mSource->getTrackInfo(i));
}
// write CC track
for (size_t i = 0; i < ccTracks; ++i) {
writeTrackInfo(reply, mCCDecoder->getTrackInfo(i));
}
sp<AMessage> response = new AMessage;
response->postReply(replyID);
break;
}
case kWhatGetSelectedTrack:
{
status_t err = INVALID_OPERATION;
if (mSource != NULL) {
err = OK;
int32_t type32;
CHECK(msg->findInt32("type", (int32_t*)&type32));
media_track_type type = (media_track_type)type32;
ssize_t selectedTrack = mSource->getSelectedTrack(type);
Parcel* reply;
CHECK(msg->findPointer("reply", (void**)&reply));
reply->writeInt32(selectedTrack);
}
sp<AMessage> response = new AMessage;
response->setInt32("err", err);
sp<AReplyToken> replyID;
CHECK(msg->senderAwaitsResponse(&replyID));
response->postReply(replyID);
break;
}
case kWhatSelectTrack:
{
sp<AReplyToken> replyID;
CHECK(msg->senderAwaitsResponse(&replyID));
size_t trackIndex;
int32_t select;
int64_t timeUs;
CHECK(msg->findSize("trackIndex", &trackIndex));
CHECK(msg->findInt32("select", &select));
CHECK(msg->findInt64("timeUs", &timeUs));
status_t err = INVALID_OPERATION;
size_t inbandTracks = 0;
if (mSource != NULL) {
inbandTracks = mSource->getTrackCount();
}
size_t ccTracks = 0;
if (mCCDecoder != NULL) {
ccTracks = mCCDecoder->getTrackCount();
}
if (trackIndex < inbandTracks) {
err = mSource->selectTrack(trackIndex, select, timeUs);
if (!select && err == OK) {
int32_t type;
sp<AMessage> info = mSource->getTrackInfo(trackIndex);
if (info != NULL
&& info->findInt32("type", &type)
&& type == MEDIA_TRACK_TYPE_TIMEDTEXT) {
++mTimedTextGeneration;
}
}
} else {
trackIndex -= inbandTracks;
if (trackIndex < ccTracks) {
err = mCCDecoder->selectTrack(trackIndex, select);
}
}
sp<AMessage> response = new AMessage;
response->setInt32("err", err);
response->postReply(replyID);
break;
}
case kWhatPollDuration:
{
int32_t generation;
CHECK(msg->findInt32("generation", &generation));
if (generation != mPollDurationGeneration) {
// stale
break;
}
int64_t durationUs;
if (mDriver != NULL && mSource->getDuration(&durationUs) == OK) {
sp<NuPlayerDriver> driver = mDriver.promote();
if (driver != NULL) {
driver->notifyDuration(durationUs);
}
}
msg->post(1000000ll); // poll again in a second.
break;
}
case kWhatSetVideoSurface:
{
sp<RefBase> obj;
CHECK(msg->findObject("surface", &obj));
sp<Surface> surface = static_cast<Surface *>(obj.get());
ALOGD("onSetVideoSurface(%p, %s video decoder)",
surface.get(),
(mSource != NULL && mStarted && mSource->getFormat(false /* audio */) != NULL
&& mVideoDecoder != NULL) ? "have" : "no");
// Need to check mStarted before calling mSource->getFormat because NuPlayer might
// be in preparing state and it could take long time.
// When mStarted is true, mSource must have been set.
if (mSource == NULL || !mStarted || mSource->getFormat(false /* audio */) == NULL
// NOTE: mVideoDecoder's mSurface is always non-null
|| (mVideoDecoder != NULL && mVideoDecoder->setVideoSurface(surface) == OK)) {
performSetSurface(surface);
break;
}
mDeferredActions.push_back(
new FlushDecoderAction(FLUSH_CMD_FLUSH /* audio */,
FLUSH_CMD_SHUTDOWN /* video */));
mDeferredActions.push_back(new SetSurfaceAction(surface));
if (obj != NULL || mAudioDecoder != NULL) {
if (mStarted) {
// Issue a seek to refresh the video screen only if started otherwise
// the extractor may not yet be started and will assert.
// If the video decoder is not set (perhaps audio only in this case)
// do not perform a seek as it is not needed.
int64_t currentPositionUs = 0;
if (getCurrentPosition(¤tPositionUs) == OK) {
mDeferredActions.push_back(
new SeekAction(currentPositionUs));
}
}
// If there is a new surface texture, instantiate decoders
// again if possible.
mDeferredActions.push_back(
new SimpleAction(&NuPlayer::performScanSources));
}
// After a flush without shutdown, decoder is paused.
// Don't resume it until source seek is done, otherwise it could
// start pulling stale data too soon.
mDeferredActions.push_back(
new ResumeDecoderAction(false /* needNotify */));
processDeferredActions();
break;
}
case kWhatSetAudioSink:
{
ALOGV("kWhatSetAudioSink");
sp<RefBase> obj;
CHECK(msg->findObject("sink", &obj));
mAudioSink = static_cast<MediaPlayerBase::AudioSink *>(obj.get());
break;
}
case kWhatStart:
{
ALOGV("kWhatStart");
if (mStarted) {
// do not resume yet if the source is still buffering
if (!mPausedForBuffering) {
onResume();
}
} else {
onStart();
}
mPausedByClient = false;
break;
}
case kWhatConfigPlayback:
{
sp<AReplyToken> replyID;
CHECK(msg->senderAwaitsResponse(&replyID));
AudioPlaybackRate rate /* sanitized */;
readFromAMessage(msg, &rate);
status_t err = OK;
if (mRenderer != NULL) {
err = mRenderer->setPlaybackSettings(rate);
}
if (err == OK) {
if (rate.mSpeed == 0.f) {
onPause();
// save all other settings (using non-paused speed)
// so we can restore them on start
AudioPlaybackRate newRate = rate;
newRate.mSpeed = mPlaybackSettings.mSpeed;
mPlaybackSettings = newRate;
} else { /* rate.mSpeed != 0.f */
onResume();
mPlaybackSettings = rate;
}
}
if (mVideoDecoder != NULL) {
float rate = getFrameRate();
if (rate > 0) {
sp<AMessage> params = new AMessage();
params->setFloat("operating-rate", rate * mPlaybackSettings.mSpeed);
mVideoDecoder->setParameters(params);
}
}
sp<AMessage> response = new AMessage;
response->setInt32("err", err);
response->postReply(replyID);
break;
}
case kWhatGetPlaybackSettings:
{
sp<AReplyToken> replyID;
CHECK(msg->senderAwaitsResponse(&replyID));
AudioPlaybackRate rate = mPlaybackSettings;
status_t err = OK;
if (mRenderer != NULL) {
err = mRenderer->getPlaybackSettings(&rate);
}
if (err == OK) {
// get playback settings used by renderer, as it may be
// slightly off due to audiosink not taking small changes.
mPlaybackSettings = rate;
if (mPaused) {
rate.mSpeed = 0.f;
}
}
sp<AMessage> response = new AMessage;
if (err == OK) {
writeToAMessage(response, rate);
}
response->setInt32("err", err);
response->postReply(replyID);
break;
}
case kWhatConfigSync:
{
sp<AReplyToken> replyID;
CHECK(msg->senderAwaitsResponse(&replyID));
ALOGV("kWhatConfigSync");
AVSyncSettings sync;
float videoFpsHint;
readFromAMessage(msg, &sync, &videoFpsHint);
status_t err = OK;
if (mRenderer != NULL) {
err = mRenderer->setSyncSettings(sync, videoFpsHint);
}
if (err == OK) {
mSyncSettings = sync;
mVideoFpsHint = videoFpsHint;
}
sp<AMessage> response = new AMessage;
response->setInt32("err", err);
response->postReply(replyID);
break;
}
case kWhatGetSyncSettings:
{
sp<AReplyToken> replyID;
CHECK(msg->senderAwaitsResponse(&replyID));
AVSyncSettings sync = mSyncSettings;
float videoFps = mVideoFpsHint;
status_t err = OK;
if (mRenderer != NULL) {
err = mRenderer->getSyncSettings(&sync, &videoFps);
if (err == OK) {
mSyncSettings = sync;
mVideoFpsHint = videoFps;
}
}
sp<AMessage> response = new AMessage;
if (err == OK) {
writeToAMessage(response, sync, videoFps);
}
response->setInt32("err", err);
response->postReply(replyID);
break;
}
case kWhatScanSources:
{
int32_t generation;
CHECK(msg->findInt32("generation", &generation));
if (generation != mScanSourcesGeneration) {
// Drop obsolete msg.
break;
}
mScanSourcesPending = false;
ALOGV("scanning sources haveAudio=%d, haveVideo=%d",
mAudioDecoder != NULL, mVideoDecoder != NULL);
bool mHadAnySourcesBefore =
(mAudioDecoder != NULL) || (mVideoDecoder != NULL);
// initialize video before audio because successful initialization of
// video may change deep buffer mode of audio.
if (mSurface != NULL) {
instantiateDecoder(false, &mVideoDecoder);
}
// Don't try to re-open audio sink if there's an existing decoder.
if (mAudioSink != NULL && mAudioDecoder == NULL) {
instantiateDecoder(true, &mAudioDecoder);
}
if (!mHadAnySourcesBefore
&& (mAudioDecoder != NULL || mVideoDecoder != NULL)) {
// This is the first time we've found anything playable.
if (mSourceFlags & Source::FLAG_DYNAMIC_DURATION) {
schedulePollDuration();
}
}
status_t err;
if ((err = mSource->feedMoreTSData()) != OK) {
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.
if (err == ERROR_END_OF_STREAM) {
notifyListener(MEDIA_PLAYBACK_COMPLETE, 0, 0);
} else {
notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
}
}
break;
}
if ((mAudioDecoder == NULL && mAudioSink != NULL)
|| (mVideoDecoder == NULL && mSurface != NULL)) {
msg->post(100000ll);
mScanSourcesPending = true;
}
break;
}
case kWhatVideoNotify:
case kWhatAudioNotify:
{
bool audio = msg->what() == kWhatAudioNotify;
int32_t currentDecoderGeneration =
(audio? mAudioDecoderGeneration : mVideoDecoderGeneration);
int32_t requesterGeneration = currentDecoderGeneration - 1;
CHECK(msg->findInt32("generation", &requesterGeneration));
if (requesterGeneration != currentDecoderGeneration) {
ALOGV("got message from old %s decoder, generation(%d:%d)",
audio ? "audio" : "video", requesterGeneration,
currentDecoderGeneration);
sp<AMessage> reply;
if (!(msg->findMessage("reply", &reply))) {
return;
}
reply->setInt32("err", INFO_DISCONTINUITY);
reply->post();
return;
}
int32_t what;
CHECK(msg->findInt32("what", &what));
if (what == DecoderBase::kWhatInputDiscontinuity) {
int32_t formatChange;
CHECK(msg->findInt32("formatChange", &formatChange));
ALOGV("%s discontinuity: formatChange %d",
audio ? "audio" : "video", formatChange);
if (formatChange) {
mDeferredActions.push_back(
new FlushDecoderAction(
audio ? FLUSH_CMD_SHUTDOWN : FLUSH_CMD_NONE,
audio ? FLUSH_CMD_NONE : FLUSH_CMD_SHUTDOWN));
}
mDeferredActions.push_back(
new SimpleAction(
&NuPlayer::performScanSources));
processDeferredActions();
} else if (what == DecoderBase::kWhatEOS) {
int32_t err;
CHECK(msg->findInt32("err", &err));
if (err == ERROR_END_OF_STREAM) {
ALOGV("got %s decoder EOS", audio ? "audio" : "video");
} else {
ALOGV("got %s decoder EOS w/ error %d",
audio ? "audio" : "video",
err);
}
mRenderer->queueEOS(audio, err);
} else if (what == DecoderBase::kWhatFlushCompleted) {
ALOGV("decoder %s flush completed", audio ? "audio" : "video");
handleFlushComplete(audio, true /* isDecoder */);
finishFlushIfPossible();
} else if (what == DecoderBase::kWhatVideoSizeChanged) {
sp<AMessage> format;
CHECK(msg->findMessage("format", &format));
sp<AMessage> inputFormat =
mSource->getFormat(false /* audio */);
updateVideoSize(inputFormat, format);
} else if (what == DecoderBase::kWhatShutdownCompleted) {
ALOGV("%s shutdown completed", audio ? "audio" : "video");
if (audio) {
mAudioDecoder.clear();
++mAudioDecoderGeneration;
CHECK_EQ((int)mFlushingAudio, (int)SHUTTING_DOWN_DECODER);
mFlushingAudio = SHUT_DOWN;
} else {
mVideoDecoder.clear();
++mVideoDecoderGeneration;
CHECK_EQ((int)mFlushingVideo, (int)SHUTTING_DOWN_DECODER);
mFlushingVideo = SHUT_DOWN;
}
finishFlushIfPossible();
} else if (what == DecoderBase::kWhatResumeCompleted) {
finishResume();
} else if (what == DecoderBase::kWhatError) {
status_t err;
if (!msg->findInt32("err", &err) || err == OK) {
err = UNKNOWN_ERROR;
}
// Decoder errors can be due to Source (e.g. from streaming),
// or from decoding corrupted bitstreams, or from other decoder
// MediaCodec operations (e.g. from an ongoing reset or seek).
// They may also be due to openAudioSink failure at
// decoder start or after a format change.
//
// We try to gracefully shut down the affected decoder if possible,
// rather than trying to force the shutdown with something
// similar to performReset(). This method can lead to a hang
// if MediaCodec functions block after an error, but they should
// typically return INVALID_OPERATION instead of blocking.
FlushStatus *flushing = audio ? &mFlushingAudio : &mFlushingVideo;
ALOGE("received error(%#x) from %s decoder, flushing(%d), now shutting down",
err, audio ? "audio" : "video", *flushing);
switch (*flushing) {
case NONE:
mDeferredActions.push_back(
new FlushDecoderAction(
audio ? FLUSH_CMD_SHUTDOWN : FLUSH_CMD_NONE,
audio ? FLUSH_CMD_NONE : FLUSH_CMD_SHUTDOWN));
processDeferredActions();
break;
case FLUSHING_DECODER:
*flushing = FLUSHING_DECODER_SHUTDOWN; // initiate shutdown after flush.
break; // Wait for flush to complete.
case FLUSHING_DECODER_SHUTDOWN:
break; // Wait for flush to complete.
case SHUTTING_DOWN_DECODER:
break; // Wait for shutdown to complete.
case FLUSHED:
// Widevine source reads must stop before releasing the video decoder.
if (!audio && mSource != NULL && mSourceFlags & Source::FLAG_SECURE) {
mSource->stop();
mSourceStarted = false;
}
getDecoder(audio)->initiateShutdown(); // In the middle of a seek.
*flushing = SHUTTING_DOWN_DECODER; // Shut down.
break;
case SHUT_DOWN:
finishFlushIfPossible(); // Should not occur.
break; // Finish anyways.
}
notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
} else {
ALOGV("Unhandled decoder notification %d '%c%c%c%c'.",
what,
what >> 24,
(what >> 16) & 0xff,
(what >> 8) & 0xff,
what & 0xff);
}
break;
}
case kWhatRendererNotify:
{
int32_t requesterGeneration = mRendererGeneration - 1;
CHECK(msg->findInt32("generation", &requesterGeneration));
if (requesterGeneration != mRendererGeneration) {
ALOGV("got message from old renderer, generation(%d:%d)",
requesterGeneration, mRendererGeneration);
return;
}
int32_t what;
CHECK(msg->findInt32("what", &what));
if (what == Renderer::kWhatEOS) {
int32_t audio;
CHECK(msg->findInt32("audio", &audio));
int32_t finalResult;
CHECK(msg->findInt32("finalResult", &finalResult));
if (audio) {
mAudioEOS = true;
} else {
mVideoEOS = true;
}
if (finalResult == ERROR_END_OF_STREAM) {
ALOGV("reached %s EOS", audio ? "audio" : "video");
} else {
ALOGE("%s track encountered an error (%d)",
audio ? "audio" : "video", finalResult);
notifyListener(
MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, finalResult);
}
if ((mAudioEOS || mAudioDecoder == NULL)
&& (mVideoEOS || mVideoDecoder == NULL)) {
notifyListener(MEDIA_PLAYBACK_COMPLETE, 0, 0);
}
} else if (what == Renderer::kWhatFlushComplete) {
int32_t audio;
CHECK(msg->findInt32("audio", &audio));
if (audio) {
mAudioEOS = false;
} else {
mVideoEOS = false;
}
ALOGV("renderer %s flush completed.", audio ? "audio" : "video");
if (audio && (mFlushingAudio == NONE || mFlushingAudio == FLUSHED
|| mFlushingAudio == SHUT_DOWN)) {
// Flush has been handled by tear down.
break;
}
handleFlushComplete(audio, false /* isDecoder */);
finishFlushIfPossible();
} else if (what == Renderer::kWhatVideoRenderingStart) {
notifyListener(MEDIA_INFO, MEDIA_INFO_RENDERING_START, 0);
} else if (what == Renderer::kWhatMediaRenderingStart) {
ALOGV("media rendering started");
notifyListener(MEDIA_STARTED, 0, 0);
} else if (what == Renderer::kWhatAudioTearDown) {
int32_t reason;
CHECK(msg->findInt32("reason", &reason));
ALOGV("Tear down audio with reason %d.", reason);
mAudioDecoder.clear();
++mAudioDecoderGeneration;
bool needsToCreateAudioDecoder = true;
if (mFlushingAudio == FLUSHING_DECODER) {
mFlushComplete[1 /* audio */][1 /* isDecoder */] = true;
mFlushingAudio = FLUSHED;
finishFlushIfPossible();
} else if (mFlushingAudio == FLUSHING_DECODER_SHUTDOWN
|| mFlushingAudio == SHUTTING_DOWN_DECODER) {
mFlushComplete[1 /* audio */][1 /* isDecoder */] = true;
mFlushingAudio = SHUT_DOWN;
finishFlushIfPossible();
needsToCreateAudioDecoder = false;
}
if (mRenderer == NULL) {
break;
}
closeAudioSink();
mRenderer->flush(
true /* audio */, false /* notifyComplete */);
if (mVideoDecoder != NULL) {
mRenderer->flush(
false /* audio */, false /* notifyComplete */);
}
int64_t positionUs;
if (!msg->findInt64("positionUs", &positionUs)) {
positionUs = mPreviousSeekTimeUs;
}
performSeek(positionUs);
if (reason == Renderer::kDueToError && needsToCreateAudioDecoder) {
instantiateDecoder(true /* audio */, &mAudioDecoder);
}
}
break;
}
case kWhatMoreDataQueued:
{
break;
}
case kWhatReset:
{
ALOGV("kWhatReset");
mDeferredActions.push_back(
new FlushDecoderAction(
FLUSH_CMD_SHUTDOWN /* audio */,
FLUSH_CMD_SHUTDOWN /* video */));
mDeferredActions.push_back(
new SimpleAction(&NuPlayer::performReset));
processDeferredActions();
break;
}
case kWhatSeek:
{
int64_t seekTimeUs;
int32_t needNotify;
CHECK(msg->findInt64("seekTimeUs", &seekTimeUs));
CHECK(msg->findInt32("needNotify", &needNotify));
ALOGV("kWhatSeek seekTimeUs=%lld us, needNotify=%d",
(long long)seekTimeUs, needNotify);
if (!mStarted) {
// Seek before the player is started. In order to preview video,
// need to start the player and pause it. This branch is called
// only once if needed. After the player is started, any seek
// operation will go through normal path.
// Audio-only cases are handled separately.
onStart(seekTimeUs);
if (mStarted) {
onPause();
mPausedByClient = true;
}
if (needNotify) {
notifyDriverSeekComplete();
}
break;
}
mDeferredActions.push_back(
new FlushDecoderAction(FLUSH_CMD_FLUSH /* audio */,
FLUSH_CMD_FLUSH /* video */));
mDeferredActions.push_back(
new SeekAction(seekTimeUs));
// After a flush without shutdown, decoder is paused.
// Don't resume it until source seek is done, otherwise it could
// start pulling stale data too soon.
mDeferredActions.push_back(
new ResumeDecoderAction(needNotify));
processDeferredActions();
break;
}
case kWhatPause:
{
onPause();
mPausedByClient = true;
break;
}
case kWhatSourceNotify:
{
onSourceNotify(msg);
break;
}
case kWhatClosedCaptionNotify:
{
onClosedCaptionNotify(msg);
break;
}
default:
TRESPASS();
break;
}
}
void NuPlayer::onResume() {
if (!mPaused) {
return;
}
mPaused = false;
if (mSource != NULL) {
mSource->resume();
} else {
ALOGW("resume called when source is gone or not set");
}
// |mAudioDecoder| may have been released due to the pause timeout, so re-create it if
// needed.
if (audioDecoderStillNeeded() && mAudioDecoder == NULL) {
instantiateDecoder(true /* audio */, &mAudioDecoder);
}
if (mRenderer != NULL) {
mRenderer->resume();
} else {
ALOGW("resume called when renderer is gone or not set");
}
}
status_t NuPlayer::onInstantiateSecureDecoders() {
status_t err;
if (!(mSourceFlags & Source::FLAG_SECURE)) {
return BAD_TYPE;
}
if (mRenderer != NULL) {
ALOGE("renderer should not be set when instantiating secure decoders");
return UNKNOWN_ERROR;
}
// TRICKY: We rely on mRenderer being null, so that decoder does not start requesting
// data on instantiation.
if (mSurface != NULL) {
err = instantiateDecoder(false, &mVideoDecoder);
if (err != OK) {
return err;
}
}
if (mAudioSink != NULL) {
err = instantiateDecoder(true, &mAudioDecoder);
if (err != OK) {
return err;
}
}
return OK;
}
void NuPlayer::onStart(int64_t startPositionUs) {
if (!mSourceStarted) {
mSourceStarted = true;
mSource->start();
}
if (startPositionUs > 0) {
performSeek(startPositionUs);
if (mSource->getFormat(false /* audio */) == NULL) {
return;
}
}
mOffloadAudio = false;
mAudioEOS = false;
mVideoEOS = false;
mStarted = true;
uint32_t flags = 0;
if (mSource->isRealTime()) {
flags |= Renderer::FLAG_REAL_TIME;
}
sp<MetaData> audioMeta = mSource->getFormatMeta(true /* audio */);
audio_stream_type_t streamType = AUDIO_STREAM_MUSIC;
if (mAudioSink != NULL) {
streamType = mAudioSink->getAudioStreamType();
}
sp<AMessage> videoFormat = mSource->getFormat(false /* audio */);
mOffloadAudio =
canOffloadStream(audioMeta, (videoFormat != NULL), mSource->isStreaming(), streamType);
if (mOffloadAudio) {
flags |= Renderer::FLAG_OFFLOAD_AUDIO;
}
sp<AMessage> notify = new AMessage(kWhatRendererNotify, this);
++mRendererGeneration;
notify->setInt32("generation", mRendererGeneration);
mRenderer = new Renderer(mAudioSink, notify, flags);
mRendererLooper = new ALooper;
mRendererLooper->setName("NuPlayerRenderer");
mRendererLooper->start(false, false, ANDROID_PRIORITY_AUDIO);
mRendererLooper->registerHandler(mRenderer);
status_t err = mRenderer->setPlaybackSettings(mPlaybackSettings);
if (err != OK) {
mSource->stop();
mSourceStarted = false;
notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
return;
}
float rate = getFrameRate();
if (rate > 0) {
mRenderer->setVideoFrameRate(rate);
}
if (mVideoDecoder != NULL) {
mVideoDecoder->setRenderer(mRenderer);
}
if (mAudioDecoder != NULL) {
mAudioDecoder->setRenderer(mRenderer);
}
postScanSources();
}
void NuPlayer::onPause() {
if (mPaused) {
return;
}
mPaused = true;
if (mSource != NULL) {
mSource->pause();
} else {
ALOGW("pause called when source is gone or not set");
}
if (mRenderer != NULL) {
mRenderer->pause();
} else {
ALOGW("pause called when renderer is gone or not set");
}
}
bool NuPlayer::audioDecoderStillNeeded() {
// Audio decoder is no longer needed if it's in shut/shutting down status.
return ((mFlushingAudio != SHUT_DOWN) && (mFlushingAudio != SHUTTING_DOWN_DECODER));
}
void NuPlayer::handleFlushComplete(bool audio, bool isDecoder) {
// We wait for both the decoder flush and the renderer flush to complete
// before entering either the FLUSHED or the SHUTTING_DOWN_DECODER state.
mFlushComplete[audio][isDecoder] = true;
if (!mFlushComplete[audio][!isDecoder]) {
return;
}
FlushStatus *state = audio ? &mFlushingAudio : &mFlushingVideo;
switch (*state) {
case FLUSHING_DECODER:
{
*state = FLUSHED;
break;
}
case FLUSHING_DECODER_SHUTDOWN:
{
*state = SHUTTING_DOWN_DECODER;
ALOGV("initiating %s decoder shutdown", audio ? "audio" : "video");
if (!audio) {
// Widevine source reads must stop before releasing the video decoder.
if (mSource != NULL && mSourceFlags & Source::FLAG_SECURE) {
mSource->stop();
mSourceStarted = false;
}
}
getDecoder(audio)->initiateShutdown();
break;
}
default:
// decoder flush completes only occur in a flushing state.
LOG_ALWAYS_FATAL_IF(isDecoder, "decoder flush in invalid state %d", *state);
break;
}
}
void NuPlayer::finishFlushIfPossible() {
if (mFlushingAudio != NONE && mFlushingAudio != FLUSHED
&& mFlushingAudio != SHUT_DOWN) {
return;
}
if (mFlushingVideo != NONE && mFlushingVideo != FLUSHED
&& mFlushingVideo != SHUT_DOWN) {
return;
}
ALOGV("both audio and video are flushed now.");
mFlushingAudio = NONE;
mFlushingVideo = NONE;
clearFlushComplete();
processDeferredActions();
}
void NuPlayer::postScanSources() {
if (mScanSourcesPending) {
return;
}
sp<AMessage> msg = new AMessage(kWhatScanSources, this);
msg->setInt32("generation", mScanSourcesGeneration);
msg->post();
mScanSourcesPending = true;
}
void NuPlayer::tryOpenAudioSinkForOffload(const sp<AMessage> &format, bool hasVideo) {
// Note: This is called early in NuPlayer to determine whether offloading
// is possible; otherwise the decoders call the renderer openAudioSink directly.
status_t err = mRenderer->openAudioSink(
format, true /* offloadOnly */, hasVideo, AUDIO_OUTPUT_FLAG_NONE, &mOffloadAudio);
if (err != OK) {
// Any failure we turn off mOffloadAudio.
mOffloadAudio = false;
} else if (mOffloadAudio) {
sp<MetaData> audioMeta =
mSource->getFormatMeta(true /* audio */);
sendMetaDataToHal(mAudioSink, audioMeta);
}
}
void NuPlayer::closeAudioSink() {
mRenderer->closeAudioSink();
}
void NuPlayer::determineAudioModeChange() {
if (mSource == NULL || mAudioSink == NULL) {
return;
}
if (mRenderer == NULL) {
ALOGW("No renderer can be used to determine audio mode. Use non-offload for safety.");
mOffloadAudio = false;
return;
}
sp<MetaData> audioMeta = mSource->getFormatMeta(true /* audio */);
sp<AMessage> videoFormat = mSource->getFormat(false /* audio */);
audio_stream_type_t streamType = mAudioSink->getAudioStreamType();
const bool hasVideo = (videoFormat != NULL);
const bool canOffload = canOffloadStream(
audioMeta, hasVideo, mSource->isStreaming(), streamType);
if (canOffload) {
if (!mOffloadAudio) {
mRenderer->signalEnableOffloadAudio();
}
// open audio sink early under offload mode.
sp<AMessage> format = mSource->getFormat(true /*audio*/);
tryOpenAudioSinkForOffload(format, hasVideo);
} else {
if (mOffloadAudio) {
mRenderer->signalDisableOffloadAudio();
mOffloadAudio = false;
}
}
}
status_t NuPlayer::instantiateDecoder(bool audio, sp<DecoderBase> *decoder) {
// The audio decoder could be cleared by tear down. If still in shut down
// process, no need to create a new audio decoder.
if (*decoder != NULL || (audio && mFlushingAudio == SHUT_DOWN)) {
return OK;
}
sp<AMessage> format = mSource->getFormat(audio);
if (format == NULL) {
return -EWOULDBLOCK;
}
format->setInt32("priority", 0 /* realtime */);
if (!audio) {
AString mime;
CHECK(format->findString("mime", &mime));
sp<AMessage> ccNotify = new AMessage(kWhatClosedCaptionNotify, this);
if (mCCDecoder == NULL) {
mCCDecoder = new CCDecoder(ccNotify);
}
if (mSourceFlags & Source::FLAG_SECURE) {
format->setInt32("secure", true);
}
if (mSourceFlags & Source::FLAG_PROTECTED) {
format->setInt32("protected", true);
}
float rate = getFrameRate();
if (rate > 0) {
format->setFloat("operating-rate", rate * mPlaybackSettings.mSpeed);
}
}
if (audio) {
sp<AMessage> notify = new AMessage(kWhatAudioNotify, this);
++mAudioDecoderGeneration;
notify->setInt32("generation", mAudioDecoderGeneration);
determineAudioModeChange();
if (mOffloadAudio) {
const bool hasVideo = (mSource->getFormat(false /*audio */) != NULL);
format->setInt32("has-video", hasVideo);
*decoder = new DecoderPassThrough(notify, mSource, mRenderer);
} else {
*decoder = new Decoder(notify, mSource, mPID, mRenderer);
}
} else {
sp<AMessage> notify = new AMessage(kWhatVideoNotify, this);
++mVideoDecoderGeneration;
notify->setInt32("generation", mVideoDecoderGeneration);
*decoder = new Decoder(
notify, mSource, mPID, mRenderer, mSurface, mCCDecoder);
// enable FRC if high-quality AV sync is requested, even if not
// directly queuing to display, as this will even improve textureview
// playback.
{
char value[PROPERTY_VALUE_MAX];
if (property_get("persist.sys.media.avsync", value, NULL) &&
(!strcmp("1", value) || !strcasecmp("true", value))) {
format->setInt32("auto-frc", 1);
}
}
}
(*decoder)->init();
(*decoder)->configure(format);
// allocate buffers to decrypt widevine source buffers
if (!audio && (mSourceFlags & Source::FLAG_SECURE)) {
Vector<sp<ABuffer> > inputBufs;
CHECK_EQ((*decoder)->getInputBuffers(&inputBufs), (status_t)OK);
Vector<MediaBuffer *> mediaBufs;
for (size_t i = 0; i < inputBufs.size(); i++) {
const sp<ABuffer> &buffer = inputBufs[i];
MediaBuffer *mbuf = new MediaBuffer(buffer->data(), buffer->size());
mediaBufs.push(mbuf);
}
status_t err = mSource->setBuffers(audio, mediaBufs);
if (err != OK) {
for (size_t i = 0; i < mediaBufs.size(); ++i) {
mediaBufs[i]->release();
}
mediaBufs.clear();
ALOGE("Secure source didn't support secure mediaBufs.");
return err;
}
}
return OK;
}
void NuPlayer::updateVideoSize(
const sp<AMessage> &inputFormat,
const sp<AMessage> &outputFormat) {
if (inputFormat == NULL) {
ALOGW("Unknown video size, reporting 0x0!");
notifyListener(MEDIA_SET_VIDEO_SIZE, 0, 0);
return;
}
int32_t displayWidth, displayHeight;
if (outputFormat != NULL) {
int32_t width, height;
CHECK(outputFormat->findInt32("width", &width));
CHECK(outputFormat->findInt32("height", &height));
int32_t cropLeft, cropTop, cropRight, cropBottom;
CHECK(outputFormat->findRect(
"crop",
&cropLeft, &cropTop, &cropRight, &cropBottom));
displayWidth = cropRight - cropLeft + 1;
displayHeight = cropBottom - cropTop + 1;
ALOGV("Video output format changed to %d x %d "
"(crop: %d x %d @ (%d, %d))",
width, height,
displayWidth,
displayHeight,
cropLeft, cropTop);
} else {
CHECK(inputFormat->findInt32("width", &displayWidth));
CHECK(inputFormat->findInt32("height", &displayHeight));
ALOGV("Video input format %d x %d", displayWidth, displayHeight);
}
// Take into account sample aspect ratio if necessary:
int32_t sarWidth, sarHeight;
if (inputFormat->findInt32("sar-width", &sarWidth)
&& inputFormat->findInt32("sar-height", &sarHeight)) {
ALOGV("Sample aspect ratio %d : %d", sarWidth, sarHeight);
displayWidth = (displayWidth * sarWidth) / sarHeight;
ALOGV("display dimensions %d x %d", displayWidth, displayHeight);
}
int32_t rotationDegrees;
if (!inputFormat->findInt32("rotation-degrees", &rotationDegrees)) {
rotationDegrees = 0;
}
if (rotationDegrees == 90 || rotationDegrees == 270) {
int32_t tmp = displayWidth;
displayWidth = displayHeight;
displayHeight = tmp;
}
notifyListener(
MEDIA_SET_VIDEO_SIZE,
displayWidth,
displayHeight);
}
void NuPlayer::notifyListener(int msg, int ext1, int ext2, const Parcel *in) {
if (mDriver == NULL) {
return;
}
sp<NuPlayerDriver> driver = mDriver.promote();
if (driver == NULL) {
return;
}
driver->notifyListener(msg, ext1, ext2, in);
}
void NuPlayer::flushDecoder(bool audio, bool needShutdown) {
ALOGV("[%s] flushDecoder needShutdown=%d",
audio ? "audio" : "video", needShutdown);
const sp<DecoderBase> &decoder = getDecoder(audio);
if (decoder == NULL) {
ALOGI("flushDecoder %s without decoder present",
audio ? "audio" : "video");
return;
}
// Make sure we don't continue to scan sources until we finish flushing.
++mScanSourcesGeneration;
if (mScanSourcesPending) {
mDeferredActions.push_back(
new SimpleAction(&NuPlayer::performScanSources));
mScanSourcesPending = false;
}
decoder->signalFlush();
FlushStatus newStatus =
needShutdown ? FLUSHING_DECODER_SHUTDOWN : FLUSHING_DECODER;
mFlushComplete[audio][false /* isDecoder */] = (mRenderer == NULL);
mFlushComplete[audio][true /* isDecoder */] = false;
if (audio) {
ALOGE_IF(mFlushingAudio != NONE,
"audio flushDecoder() is called in state %d", mFlushingAudio);
mFlushingAudio = newStatus;
} else {
ALOGE_IF(mFlushingVideo != NONE,
"video flushDecoder() is called in state %d", mFlushingVideo);
mFlushingVideo = newStatus;
}
}
void NuPlayer::queueDecoderShutdown(
bool audio, bool video, const sp<AMessage> &reply) {
ALOGI("queueDecoderShutdown audio=%d, video=%d", audio, video);
mDeferredActions.push_back(
new FlushDecoderAction(
audio ? FLUSH_CMD_SHUTDOWN : FLUSH_CMD_NONE,
video ? FLUSH_CMD_SHUTDOWN : FLUSH_CMD_NONE));
mDeferredActions.push_back(
new SimpleAction(&NuPlayer::performScanSources));
mDeferredActions.push_back(new PostMessageAction(reply));
processDeferredActions();
}
status_t NuPlayer::setVideoScalingMode(int32_t mode) {
mVideoScalingMode = mode;
if (mSurface != NULL) {
status_t ret = native_window_set_scaling_mode(mSurface.get(), mVideoScalingMode);
if (ret != OK) {
ALOGE("Failed to set scaling mode (%d): %s",
-ret, strerror(-ret));
return ret;
}
}
return OK;
}
status_t NuPlayer::getTrackInfo(Parcel* reply) const {
sp<AMessage> msg = new AMessage(kWhatGetTrackInfo, this);
msg->setPointer("reply", reply);
sp<AMessage> response;
status_t err = msg->postAndAwaitResponse(&response);
return err;
}
status_t NuPlayer::getSelectedTrack(int32_t type, Parcel* reply) const {
sp<AMessage> msg = new AMessage(kWhatGetSelectedTrack, this);
msg->setPointer("reply", reply);
msg->setInt32("type", type);
sp<AMessage> response;
status_t err = msg->postAndAwaitResponse(&response);
if (err == OK && response != NULL) {
CHECK(response->findInt32("err", &err));
}
return err;
}
status_t NuPlayer::selectTrack(size_t trackIndex, bool select, int64_t timeUs) {
sp<AMessage> msg = new AMessage(kWhatSelectTrack, this);
msg->setSize("trackIndex", trackIndex);
msg->setInt32("select", select);
msg->setInt64("timeUs", timeUs);
sp<AMessage> response;
status_t err = msg->postAndAwaitResponse(&response);
if (err != OK) {
return err;
}
if (!response->findInt32("err", &err)) {
err = OK;
}
return err;
}
status_t NuPlayer::getCurrentPosition(int64_t *mediaUs) {
sp<Renderer> renderer = mRenderer;
if (renderer == NULL) {
return NO_INIT;
}
return renderer->getCurrentPosition(mediaUs);
}
void NuPlayer::getStats(Vector<sp<AMessage> > *mTrackStats) {
CHECK(mTrackStats != NULL);
mTrackStats->clear();
if (mVideoDecoder != NULL) {
mTrackStats->push_back(mVideoDecoder->getStats());
}
if (mAudioDecoder != NULL) {
mTrackStats->push_back(mAudioDecoder->getStats());
}
}
sp<MetaData> NuPlayer::getFileMeta() {
return mSource->getFileFormatMeta();
}
float NuPlayer::getFrameRate() {
sp<MetaData> meta = mSource->getFormatMeta(false /* audio */);
if (meta == NULL) {
return 0;
}
int32_t rate;
if (!meta->findInt32(kKeyFrameRate, &rate)) {
// fall back to try file meta
sp<MetaData> fileMeta = getFileMeta();
if (fileMeta == NULL) {
ALOGW("source has video meta but not file meta");
return -1;
}
int32_t fileMetaRate;
if (!fileMeta->findInt32(kKeyFrameRate, &fileMetaRate)) {
return -1;
}
return fileMetaRate;
}
return rate;
}
void NuPlayer::schedulePollDuration() {
sp<AMessage> msg = new AMessage(kWhatPollDuration, this);
msg->setInt32("generation", mPollDurationGeneration);
msg->post();
}
void NuPlayer::cancelPollDuration() {
++mPollDurationGeneration;
}
void NuPlayer::processDeferredActions() {
while (!mDeferredActions.empty()) {
// We won't execute any deferred actions until we're no longer in
// an intermediate state, i.e. one more more decoders are currently
// flushing or shutting down.
if (mFlushingAudio != NONE || mFlushingVideo != NONE) {
// We're currently flushing, postpone the reset until that's
// completed.
ALOGV("postponing action mFlushingAudio=%d, mFlushingVideo=%d",
mFlushingAudio, mFlushingVideo);
break;
}
sp<Action> action = *mDeferredActions.begin();
mDeferredActions.erase(mDeferredActions.begin());
action->execute(this);
}
}
void NuPlayer::performSeek(int64_t seekTimeUs) {
ALOGV("performSeek seekTimeUs=%lld us (%.2f secs)",
(long long)seekTimeUs,
seekTimeUs / 1E6);
if (mSource == NULL) {
// This happens when reset occurs right before the loop mode
// asynchronously seeks to the start of the stream.
LOG_ALWAYS_FATAL_IF(mAudioDecoder != NULL || mVideoDecoder != NULL,
"mSource is NULL and decoders not NULL audio(%p) video(%p)",
mAudioDecoder.get(), mVideoDecoder.get());
return;
}
mPreviousSeekTimeUs = seekTimeUs;
mSource->seekTo(seekTimeUs);
++mTimedTextGeneration;
// everything's flushed, continue playback.
}
void NuPlayer::performDecoderFlush(FlushCommand audio, FlushCommand video) {
ALOGV("performDecoderFlush audio=%d, video=%d", audio, video);
if ((audio == FLUSH_CMD_NONE || mAudioDecoder == NULL)
&& (video == FLUSH_CMD_NONE || mVideoDecoder == NULL)) {
return;
}
if (audio != FLUSH_CMD_NONE && mAudioDecoder != NULL) {
flushDecoder(true /* audio */, (audio == FLUSH_CMD_SHUTDOWN));
}
if (video != FLUSH_CMD_NONE && mVideoDecoder != NULL) {
flushDecoder(false /* audio */, (video == FLUSH_CMD_SHUTDOWN));
}
}
void NuPlayer::performReset() {
ALOGV("performReset");
CHECK(mAudioDecoder == NULL);
CHECK(mVideoDecoder == NULL);
cancelPollDuration();
++mScanSourcesGeneration;
mScanSourcesPending = false;
if (mRendererLooper != NULL) {
if (mRenderer != NULL) {
mRendererLooper->unregisterHandler(mRenderer->id());
}
mRendererLooper->stop();
mRendererLooper.clear();
}
mRenderer.clear();
++mRendererGeneration;
if (mSource != NULL) {
mSource->stop();
mSource.clear();
}
if (mDriver != NULL) {
sp<NuPlayerDriver> driver = mDriver.promote();
if (driver != NULL) {
driver->notifyResetComplete();
}
}
mStarted = false;
mSourceStarted = false;
}
void NuPlayer::performScanSources() {
ALOGV("performScanSources");
if (!mStarted) {
return;
}
if (mAudioDecoder == NULL || mVideoDecoder == NULL) {
postScanSources();
}
}
void NuPlayer::performSetSurface(const sp<Surface> &surface) {
ALOGV("performSetSurface");
mSurface = surface;
// XXX - ignore error from setVideoScalingMode for now
setVideoScalingMode(mVideoScalingMode);
if (mDriver != NULL) {
sp<NuPlayerDriver> driver = mDriver.promote();
if (driver != NULL) {
driver->notifySetSurfaceComplete();
}
}
}
void NuPlayer::performResumeDecoders(bool needNotify) {
if (needNotify) {
mResumePending = true;
if (mVideoDecoder == NULL) {
// if audio-only, we can notify seek complete now,
// as the resume operation will be relatively fast.
finishResume();
}
}
if (mVideoDecoder != NULL) {
// When there is continuous seek, MediaPlayer will cache the seek
// position, and send down new seek request when previous seek is
// complete. Let's wait for at least one video output frame before
// notifying seek complete, so that the video thumbnail gets updated
// when seekbar is dragged.
mVideoDecoder->signalResume(needNotify);
}
if (mAudioDecoder != NULL) {
mAudioDecoder->signalResume(false /* needNotify */);
}
}
void NuPlayer::finishResume() {
if (mResumePending) {
mResumePending = false;
notifyDriverSeekComplete();
}
}
void NuPlayer::notifyDriverSeekComplete() {
if (mDriver != NULL) {
sp<NuPlayerDriver> driver = mDriver.promote();
if (driver != NULL) {
driver->notifySeekComplete();
}
}
}
void NuPlayer::onSourceNotify(const sp<AMessage> &msg) {
int32_t what;
CHECK(msg->findInt32("what", &what));
switch (what) {
case Source::kWhatInstantiateSecureDecoders:
{
if (mSource == NULL) {
// This is a stale notification from a source that was
// asynchronously preparing when the client called reset().
// We handled the reset, the source is gone.
break;
}
sp<AMessage> reply;
CHECK(msg->findMessage("reply", &reply));
status_t err = onInstantiateSecureDecoders();
reply->setInt32("err", err);
reply->post();
break;
}
case Source::kWhatPrepared:
{
if (mSource == NULL) {
// This is a stale notification from a source that was
// asynchronously preparing when the client called reset().
// We handled the reset, the source is gone.
break;
}
int32_t err;
CHECK(msg->findInt32("err", &err));
if (err != OK) {
// shut down potential secure codecs in case client never calls reset
mDeferredActions.push_back(
new FlushDecoderAction(FLUSH_CMD_SHUTDOWN /* audio */,
FLUSH_CMD_SHUTDOWN /* video */));
processDeferredActions();
}
sp<NuPlayerDriver> driver = mDriver.promote();
if (driver != NULL) {
// notify duration first, so that it's definitely set when
// the app received the "prepare complete" callback.
int64_t durationUs;
if (mSource->getDuration(&durationUs) == OK) {
driver->notifyDuration(durationUs);
}
driver->notifyPrepareCompleted(err);
}
break;
}
case Source::kWhatFlagsChanged:
{
uint32_t flags;
CHECK(msg->findInt32("flags", (int32_t *)&flags));
sp<NuPlayerDriver> driver = mDriver.promote();
if (driver != NULL) {
if ((flags & NuPlayer::Source::FLAG_CAN_SEEK) == 0) {
driver->notifyListener(
MEDIA_INFO, MEDIA_INFO_NOT_SEEKABLE, 0);
}
driver->notifyFlagsChanged(flags);
}
if ((mSourceFlags & Source::FLAG_DYNAMIC_DURATION)
&& (!(flags & Source::FLAG_DYNAMIC_DURATION))) {
cancelPollDuration();
} else if (!(mSourceFlags & Source::FLAG_DYNAMIC_DURATION)
&& (flags & Source::FLAG_DYNAMIC_DURATION)
&& (mAudioDecoder != NULL || mVideoDecoder != NULL)) {
schedulePollDuration();
}
mSourceFlags = flags;
break;
}
case Source::kWhatVideoSizeChanged:
{
sp<AMessage> format;
CHECK(msg->findMessage("format", &format));
updateVideoSize(format);
break;
}
case Source::kWhatBufferingUpdate:
{
int32_t percentage;
CHECK(msg->findInt32("percentage", &percentage));
notifyListener(MEDIA_BUFFERING_UPDATE, percentage, 0);
break;
}
case Source::kWhatPauseOnBufferingStart:
{
// ignore if not playing
if (mStarted) {
ALOGI("buffer low, pausing...");
mPausedForBuffering = true;
onPause();
}
// fall-thru
}
case Source::kWhatBufferingStart:
{
notifyListener(MEDIA_INFO, MEDIA_INFO_BUFFERING_START, 0);
break;
}
case Source::kWhatResumeOnBufferingEnd:
{
// ignore if not playing
if (mStarted) {
ALOGI("buffer ready, resuming...");
mPausedForBuffering = false;
// do not resume yet if client didn't unpause
if (!mPausedByClient) {
onResume();
}
}
// fall-thru
}
case Source::kWhatBufferingEnd:
{
notifyListener(MEDIA_INFO, MEDIA_INFO_BUFFERING_END, 0);
break;
}
case Source::kWhatCacheStats:
{
int32_t kbps;
CHECK(msg->findInt32("bandwidth", &kbps));
notifyListener(MEDIA_INFO, MEDIA_INFO_NETWORK_BANDWIDTH, kbps);
break;
}
case Source::kWhatSubtitleData:
{
sp<ABuffer> buffer;
CHECK(msg->findBuffer("buffer", &buffer));
sendSubtitleData(buffer, 0 /* baseIndex */);
break;
}
case Source::kWhatTimedMetaData:
{
sp<ABuffer> buffer;
if (!msg->findBuffer("buffer", &buffer)) {
notifyListener(MEDIA_INFO, MEDIA_INFO_METADATA_UPDATE, 0);
} else {
sendTimedMetaData(buffer);
}
break;
}
case Source::kWhatTimedTextData:
{
int32_t generation;
if (msg->findInt32("generation", &generation)
&& generation != mTimedTextGeneration) {
break;
}
sp<ABuffer> buffer;
CHECK(msg->findBuffer("buffer", &buffer));
sp<NuPlayerDriver> driver = mDriver.promote();
if (driver == NULL) {
break;
}
int posMs;
int64_t timeUs, posUs;
driver->getCurrentPosition(&posMs);
posUs = posMs * 1000;
CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
if (posUs < timeUs) {
if (!msg->findInt32("generation", &generation)) {
msg->setInt32("generation", mTimedTextGeneration);
}
msg->post(timeUs - posUs);
} else {
sendTimedTextData(buffer);
}
break;
}
case Source::kWhatQueueDecoderShutdown:
{
int32_t audio, video;
CHECK(msg->findInt32("audio", &audio));
CHECK(msg->findInt32("video", &video));
sp<AMessage> reply;
CHECK(msg->findMessage("reply", &reply));
queueDecoderShutdown(audio, video, reply);
break;
}
case Source::kWhatDrmNoLicense:
{
notifyListener(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, ERROR_DRM_NO_LICENSE);
break;
}
default:
TRESPASS();
}
}
void NuPlayer::onClosedCaptionNotify(const sp<AMessage> &msg) {
int32_t what;
CHECK(msg->findInt32("what", &what));
switch (what) {
case NuPlayer::CCDecoder::kWhatClosedCaptionData:
{
sp<ABuffer> buffer;
CHECK(msg->findBuffer("buffer", &buffer));
size_t inbandTracks = 0;
if (mSource != NULL) {
inbandTracks = mSource->getTrackCount();
}
sendSubtitleData(buffer, inbandTracks);
break;
}
case NuPlayer::CCDecoder::kWhatTrackAdded:
{
notifyListener(MEDIA_INFO, MEDIA_INFO_METADATA_UPDATE, 0);
break;
}
default:
TRESPASS();
}
}
void NuPlayer::sendSubtitleData(const sp<ABuffer> &buffer, int32_t baseIndex) {
int32_t trackIndex;
int64_t timeUs, durationUs;
CHECK(buffer->meta()->findInt32("trackIndex", &trackIndex));
CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
CHECK(buffer->meta()->findInt64("durationUs", &durationUs));
Parcel in;
in.writeInt32(trackIndex + baseIndex);
in.writeInt64(timeUs);
in.writeInt64(durationUs);
in.writeInt32(buffer->size());
in.writeInt32(buffer->size());
in.write(buffer->data(), buffer->size());
notifyListener(MEDIA_SUBTITLE_DATA, 0, 0, &in);
}
void NuPlayer::sendTimedMetaData(const sp<ABuffer> &buffer) {
int64_t timeUs;
CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
Parcel in;
in.writeInt64(timeUs);
in.writeInt32(buffer->size());
in.writeInt32(buffer->size());
in.write(buffer->data(), buffer->size());
notifyListener(MEDIA_META_DATA, 0, 0, &in);
}
void NuPlayer::sendTimedTextData(const sp<ABuffer> &buffer) {
const void *data;
size_t size = 0;
int64_t timeUs;
int32_t flag = TextDescriptions::LOCAL_DESCRIPTIONS;
AString mime;
CHECK(buffer->meta()->findString("mime", &mime));
CHECK(strcasecmp(mime.c_str(), MEDIA_MIMETYPE_TEXT_3GPP) == 0);
data = buffer->data();
size = buffer->size();
Parcel parcel;
if (size > 0) {
CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
flag |= TextDescriptions::IN_BAND_TEXT_3GPP;
TextDescriptions::getParcelOfDescriptions(
(const uint8_t *)data, size, flag, timeUs / 1000, &parcel);
}
if ((parcel.dataSize() > 0)) {
notifyListener(MEDIA_TIMED_TEXT, 0, 0, &parcel);
} else { // send an empty timed text
notifyListener(MEDIA_TIMED_TEXT, 0, 0);
}
}
////////////////////////////////////////////////////////////////////////////////
sp<AMessage> NuPlayer::Source::getFormat(bool audio) {
sp<MetaData> meta = getFormatMeta(audio);
if (meta == NULL) {
return NULL;
}
sp<AMessage> msg = new AMessage;
if(convertMetaDataToMessage(meta, &msg) == OK) {
return msg;
}
return NULL;
}
void NuPlayer::Source::notifyFlagsChanged(uint32_t flags) {
sp<AMessage> notify = dupNotify();
notify->setInt32("what", kWhatFlagsChanged);
notify->setInt32("flags", flags);
notify->post();
}
void NuPlayer::Source::notifyVideoSizeChanged(const sp<AMessage> &format) {
sp<AMessage> notify = dupNotify();
notify->setInt32("what", kWhatVideoSizeChanged);
notify->setMessage("format", format);
notify->post();
}
void NuPlayer::Source::notifyPrepared(status_t err) {
sp<AMessage> notify = dupNotify();
notify->setInt32("what", kWhatPrepared);
notify->setInt32("err", err);
notify->post();
}
void NuPlayer::Source::notifyInstantiateSecureDecoders(const sp<AMessage> &reply) {
sp<AMessage> notify = dupNotify();
notify->setInt32("what", kWhatInstantiateSecureDecoders);
notify->setMessage("reply", reply);
notify->post();
}
void NuPlayer::Source::onMessageReceived(const sp<AMessage> & /* msg */) {
TRESPASS();
}
} // namespace android