Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2009 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Andreas Huber | c997aca | 2009-11-05 16:34:39 -0800 | [diff] [blame] | 17 | //#define LOG_NDEBUG 0 |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 18 | #define LOG_TAG "AudioPlayer" |
| 19 | #include <utils/Log.h> |
| 20 | |
Andreas Huber | 5f0d5ce | 2010-03-01 14:27:00 -0800 | [diff] [blame] | 21 | #include <binder/IPCThreadState.h> |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 22 | #include <media/AudioTrack.h> |
Andreas Huber | 8458447 | 2011-09-08 11:33:47 -0700 | [diff] [blame] | 23 | #include <media/stagefright/foundation/ADebug.h> |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 24 | #include <media/stagefright/AudioPlayer.h> |
Andreas Huber | e6c4096 | 2009-09-10 14:13:30 -0700 | [diff] [blame] | 25 | #include <media/stagefright/MediaDefs.h> |
Andreas Huber | 16263d9 | 2010-07-20 09:44:34 -0700 | [diff] [blame] | 26 | #include <media/stagefright/MediaErrors.h> |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 27 | #include <media/stagefright/MediaSource.h> |
| 28 | #include <media/stagefright/MetaData.h> |
| 29 | |
Andreas Huber | 2b359ed | 2010-09-28 11:56:39 -0700 | [diff] [blame] | 30 | #include "include/AwesomePlayer.h" |
| 31 | |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 32 | namespace android { |
| 33 | |
Andreas Huber | 2b359ed | 2010-09-28 11:56:39 -0700 | [diff] [blame] | 34 | AudioPlayer::AudioPlayer( |
| 35 | const sp<MediaPlayerBase::AudioSink> &audioSink, |
| 36 | AwesomePlayer *observer) |
Andreas Huber | be06d26 | 2009-08-14 14:37:10 -0700 | [diff] [blame] | 37 | : mAudioTrack(NULL), |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 38 | mInputBuffer(NULL), |
| 39 | mSampleRate(0), |
| 40 | mLatencyUs(0), |
| 41 | mFrameSize(0), |
| 42 | mNumFramesPlayed(0), |
| 43 | mPositionTimeMediaUs(-1), |
| 44 | mPositionTimeRealUs(-1), |
| 45 | mSeeking(false), |
Andreas Huber | 70d10c0 | 2010-02-03 11:37:29 -0800 | [diff] [blame] | 46 | mReachedEOS(false), |
Andreas Huber | d7d22eb | 2010-02-23 13:45:33 -0800 | [diff] [blame] | 47 | mFinalStatus(OK), |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 48 | mStarted(false), |
Andreas Huber | 16263d9 | 2010-07-20 09:44:34 -0700 | [diff] [blame] | 49 | mIsFirstBuffer(false), |
| 50 | mFirstBufferResult(OK), |
| 51 | mFirstBuffer(NULL), |
Andreas Huber | 2b359ed | 2010-09-28 11:56:39 -0700 | [diff] [blame] | 52 | mAudioSink(audioSink), |
| 53 | mObserver(observer) { |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 54 | } |
| 55 | |
| 56 | AudioPlayer::~AudioPlayer() { |
| 57 | if (mStarted) { |
Andreas Huber | c743f45 | 2010-10-05 10:25:34 -0700 | [diff] [blame] | 58 | reset(); |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 59 | } |
| 60 | } |
| 61 | |
Andreas Huber | be06d26 | 2009-08-14 14:37:10 -0700 | [diff] [blame] | 62 | void AudioPlayer::setSource(const sp<MediaSource> &source) { |
Andreas Huber | 8458447 | 2011-09-08 11:33:47 -0700 | [diff] [blame] | 63 | CHECK(mSource == NULL); |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 64 | mSource = source; |
| 65 | } |
| 66 | |
Andreas Huber | dc9927d | 2010-03-08 15:46:13 -0800 | [diff] [blame] | 67 | status_t AudioPlayer::start(bool sourceAlreadyStarted) { |
Andreas Huber | b5ceb9e | 2009-08-26 14:48:20 -0700 | [diff] [blame] | 68 | CHECK(!mStarted); |
| 69 | CHECK(mSource != NULL); |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 70 | |
Andreas Huber | dc9927d | 2010-03-08 15:46:13 -0800 | [diff] [blame] | 71 | status_t err; |
| 72 | if (!sourceAlreadyStarted) { |
| 73 | err = mSource->start(); |
Andreas Huber | 62eac00 | 2010-01-29 13:24:58 -0800 | [diff] [blame] | 74 | |
Andreas Huber | dc9927d | 2010-03-08 15:46:13 -0800 | [diff] [blame] | 75 | if (err != OK) { |
| 76 | return err; |
| 77 | } |
Andreas Huber | 62eac00 | 2010-01-29 13:24:58 -0800 | [diff] [blame] | 78 | } |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 79 | |
Andreas Huber | 16263d9 | 2010-07-20 09:44:34 -0700 | [diff] [blame] | 80 | // We allow an optional INFO_FORMAT_CHANGED at the very beginning |
| 81 | // of playback, if there is one, getFormat below will retrieve the |
| 82 | // updated format, if there isn't, we'll stash away the valid buffer |
| 83 | // of data to be used on the first audio callback. |
| 84 | |
| 85 | CHECK(mFirstBuffer == NULL); |
| 86 | |
Andreas Huber | 5fd43e3 | 2011-05-10 13:56:39 -0700 | [diff] [blame] | 87 | MediaSource::ReadOptions options; |
| 88 | if (mSeeking) { |
| 89 | options.setSeekTo(mSeekTimeUs); |
| 90 | mSeeking = false; |
| 91 | } |
| 92 | |
| 93 | mFirstBufferResult = mSource->read(&mFirstBuffer, &options); |
Andreas Huber | 16263d9 | 2010-07-20 09:44:34 -0700 | [diff] [blame] | 94 | if (mFirstBufferResult == INFO_FORMAT_CHANGED) { |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 95 | ALOGV("INFO_FORMAT_CHANGED!!!"); |
Andreas Huber | 16263d9 | 2010-07-20 09:44:34 -0700 | [diff] [blame] | 96 | |
| 97 | CHECK(mFirstBuffer == NULL); |
| 98 | mFirstBufferResult = OK; |
| 99 | mIsFirstBuffer = false; |
| 100 | } else { |
| 101 | mIsFirstBuffer = true; |
| 102 | } |
| 103 | |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 104 | sp<MetaData> format = mSource->getFormat(); |
| 105 | const char *mime; |
| 106 | bool success = format->findCString(kKeyMIMEType, &mime); |
Andreas Huber | b5ceb9e | 2009-08-26 14:48:20 -0700 | [diff] [blame] | 107 | CHECK(success); |
Andreas Huber | e6c4096 | 2009-09-10 14:13:30 -0700 | [diff] [blame] | 108 | CHECK(!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_RAW)); |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 109 | |
| 110 | success = format->findInt32(kKeySampleRate, &mSampleRate); |
Andreas Huber | b5ceb9e | 2009-08-26 14:48:20 -0700 | [diff] [blame] | 111 | CHECK(success); |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 112 | |
Jean-Michel Trivi | 4ed260f | 2012-03-02 14:54:07 -0800 | [diff] [blame^] | 113 | int32_t numChannels, channelMask; |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 114 | success = format->findInt32(kKeyChannelCount, &numChannels); |
Andreas Huber | b5ceb9e | 2009-08-26 14:48:20 -0700 | [diff] [blame] | 115 | CHECK(success); |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 116 | |
Jean-Michel Trivi | 4ed260f | 2012-03-02 14:54:07 -0800 | [diff] [blame^] | 117 | if(!format->findInt32(kKeyChannelMask, &channelMask)) { |
| 118 | ALOGW("source format didn't specify channel mask, using channel order"); |
| 119 | channelMask = CHANNEL_MASK_USE_CHANNEL_ORDER; |
| 120 | } |
| 121 | |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 122 | if (mAudioSink.get() != NULL) { |
| 123 | status_t err = mAudioSink->open( |
Jean-Michel Trivi | 4ed260f | 2012-03-02 14:54:07 -0800 | [diff] [blame^] | 124 | mSampleRate, numChannels, channelMask, AUDIO_FORMAT_PCM_16_BIT, |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 125 | DEFAULT_AUDIOSINK_BUFFERCOUNT, |
| 126 | &AudioPlayer::AudioSinkCallback, this); |
Andreas Huber | 62eac00 | 2010-01-29 13:24:58 -0800 | [diff] [blame] | 127 | if (err != OK) { |
Andreas Huber | 16263d9 | 2010-07-20 09:44:34 -0700 | [diff] [blame] | 128 | if (mFirstBuffer != NULL) { |
| 129 | mFirstBuffer->release(); |
| 130 | mFirstBuffer = NULL; |
| 131 | } |
| 132 | |
| 133 | if (!sourceAlreadyStarted) { |
| 134 | mSource->stop(); |
| 135 | } |
Andreas Huber | 62eac00 | 2010-01-29 13:24:58 -0800 | [diff] [blame] | 136 | |
| 137 | return err; |
| 138 | } |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 139 | |
| 140 | mLatencyUs = (int64_t)mAudioSink->latency() * 1000; |
| 141 | mFrameSize = mAudioSink->frameSize(); |
| 142 | |
| 143 | mAudioSink->start(); |
| 144 | } else { |
Jean-Michel Trivi | 4ed260f | 2012-03-02 14:54:07 -0800 | [diff] [blame^] | 145 | // playing to an AudioTrack, set up mask if necessary |
| 146 | audio_channel_mask_t audioMask = channelMask == CHANNEL_MASK_USE_CHANNEL_ORDER ? |
| 147 | audio_channel_mask_from_count(numChannels) : channelMask; |
| 148 | if (0 == audioMask) { |
| 149 | return BAD_VALUE; |
| 150 | } |
| 151 | |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 152 | mAudioTrack = new AudioTrack( |
Jean-Michel Trivi | 4ed260f | 2012-03-02 14:54:07 -0800 | [diff] [blame^] | 153 | AUDIO_STREAM_MUSIC, mSampleRate, AUDIO_FORMAT_PCM_16_BIT, audioMask, |
Andreas Huber | 662292a | 2010-04-13 09:58:39 -0700 | [diff] [blame] | 154 | 0, 0, &AudioCallback, this, 0); |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 155 | |
Kenny Root | 3cbd62c | 2010-02-18 09:03:06 -0800 | [diff] [blame] | 156 | if ((err = mAudioTrack->initCheck()) != OK) { |
Andreas Huber | 62eac00 | 2010-01-29 13:24:58 -0800 | [diff] [blame] | 157 | delete mAudioTrack; |
| 158 | mAudioTrack = NULL; |
| 159 | |
Andreas Huber | 16263d9 | 2010-07-20 09:44:34 -0700 | [diff] [blame] | 160 | if (mFirstBuffer != NULL) { |
| 161 | mFirstBuffer->release(); |
| 162 | mFirstBuffer = NULL; |
| 163 | } |
| 164 | |
| 165 | if (!sourceAlreadyStarted) { |
| 166 | mSource->stop(); |
| 167 | } |
Andreas Huber | 62eac00 | 2010-01-29 13:24:58 -0800 | [diff] [blame] | 168 | |
Kenny Root | 3cbd62c | 2010-02-18 09:03:06 -0800 | [diff] [blame] | 169 | return err; |
Andreas Huber | 62eac00 | 2010-01-29 13:24:58 -0800 | [diff] [blame] | 170 | } |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 171 | |
| 172 | mLatencyUs = (int64_t)mAudioTrack->latency() * 1000; |
| 173 | mFrameSize = mAudioTrack->frameSize(); |
| 174 | |
| 175 | mAudioTrack->start(); |
| 176 | } |
| 177 | |
| 178 | mStarted = true; |
Andreas Huber | 62eac00 | 2010-01-29 13:24:58 -0800 | [diff] [blame] | 179 | |
| 180 | return OK; |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 181 | } |
| 182 | |
Andreas Huber | c743f45 | 2010-10-05 10:25:34 -0700 | [diff] [blame] | 183 | void AudioPlayer::pause(bool playPendingSamples) { |
Andreas Huber | b5ceb9e | 2009-08-26 14:48:20 -0700 | [diff] [blame] | 184 | CHECK(mStarted); |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 185 | |
Andreas Huber | c743f45 | 2010-10-05 10:25:34 -0700 | [diff] [blame] | 186 | if (playPendingSamples) { |
| 187 | if (mAudioSink.get() != NULL) { |
| 188 | mAudioSink->stop(); |
| 189 | } else { |
| 190 | mAudioTrack->stop(); |
| 191 | } |
Andreas Huber | 9ba16f6 | 2011-08-26 11:26:25 -0700 | [diff] [blame] | 192 | |
| 193 | mNumFramesPlayed = 0; |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 194 | } else { |
Andreas Huber | c743f45 | 2010-10-05 10:25:34 -0700 | [diff] [blame] | 195 | if (mAudioSink.get() != NULL) { |
| 196 | mAudioSink->pause(); |
| 197 | } else { |
| 198 | mAudioTrack->pause(); |
| 199 | } |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 200 | } |
| 201 | } |
| 202 | |
| 203 | void AudioPlayer::resume() { |
Andreas Huber | b5ceb9e | 2009-08-26 14:48:20 -0700 | [diff] [blame] | 204 | CHECK(mStarted); |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 205 | |
| 206 | if (mAudioSink.get() != NULL) { |
| 207 | mAudioSink->start(); |
| 208 | } else { |
| 209 | mAudioTrack->start(); |
| 210 | } |
| 211 | } |
| 212 | |
Andreas Huber | c743f45 | 2010-10-05 10:25:34 -0700 | [diff] [blame] | 213 | void AudioPlayer::reset() { |
Andreas Huber | b5ceb9e | 2009-08-26 14:48:20 -0700 | [diff] [blame] | 214 | CHECK(mStarted); |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 215 | |
| 216 | if (mAudioSink.get() != NULL) { |
| 217 | mAudioSink->stop(); |
Andreas Huber | aee3c63 | 2010-01-11 15:35:19 -0800 | [diff] [blame] | 218 | mAudioSink->close(); |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 219 | } else { |
| 220 | mAudioTrack->stop(); |
| 221 | |
| 222 | delete mAudioTrack; |
| 223 | mAudioTrack = NULL; |
| 224 | } |
Andreas Huber | aee3c63 | 2010-01-11 15:35:19 -0800 | [diff] [blame] | 225 | |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 226 | // Make sure to release any buffer we hold onto so that the |
| 227 | // source is able to stop(). |
Andreas Huber | 16263d9 | 2010-07-20 09:44:34 -0700 | [diff] [blame] | 228 | |
| 229 | if (mFirstBuffer != NULL) { |
| 230 | mFirstBuffer->release(); |
| 231 | mFirstBuffer = NULL; |
| 232 | } |
| 233 | |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 234 | if (mInputBuffer != NULL) { |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 235 | ALOGV("AudioPlayer releasing input buffer."); |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 236 | |
| 237 | mInputBuffer->release(); |
| 238 | mInputBuffer = NULL; |
| 239 | } |
| 240 | |
| 241 | mSource->stop(); |
Andreas Huber | aee3c63 | 2010-01-11 15:35:19 -0800 | [diff] [blame] | 242 | |
Andreas Huber | 5f0d5ce | 2010-03-01 14:27:00 -0800 | [diff] [blame] | 243 | // The following hack is necessary to ensure that the OMX |
| 244 | // component is completely released by the time we may try |
| 245 | // to instantiate it again. |
| 246 | wp<MediaSource> tmp = mSource; |
| 247 | mSource.clear(); |
| 248 | while (tmp.promote() != NULL) { |
| 249 | usleep(1000); |
| 250 | } |
| 251 | IPCThreadState::self()->flushCommands(); |
| 252 | |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 253 | mNumFramesPlayed = 0; |
| 254 | mPositionTimeMediaUs = -1; |
| 255 | mPositionTimeRealUs = -1; |
| 256 | mSeeking = false; |
Andreas Huber | 70d10c0 | 2010-02-03 11:37:29 -0800 | [diff] [blame] | 257 | mReachedEOS = false; |
Andreas Huber | d7d22eb | 2010-02-23 13:45:33 -0800 | [diff] [blame] | 258 | mFinalStatus = OK; |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 259 | mStarted = false; |
| 260 | } |
| 261 | |
| 262 | // static |
Glenn Kasten | e46a86f | 2011-06-01 15:20:35 -0700 | [diff] [blame] | 263 | void AudioPlayer::AudioCallback(int event, void *user, void *info) { |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 264 | static_cast<AudioPlayer *>(user)->AudioCallback(event, info); |
| 265 | } |
| 266 | |
Andreas Huber | 70d10c0 | 2010-02-03 11:37:29 -0800 | [diff] [blame] | 267 | bool AudioPlayer::isSeeking() { |
| 268 | Mutex::Autolock autoLock(mLock); |
| 269 | return mSeeking; |
| 270 | } |
| 271 | |
Andreas Huber | d7d22eb | 2010-02-23 13:45:33 -0800 | [diff] [blame] | 272 | bool AudioPlayer::reachedEOS(status_t *finalStatus) { |
| 273 | *finalStatus = OK; |
| 274 | |
Andreas Huber | 70d10c0 | 2010-02-03 11:37:29 -0800 | [diff] [blame] | 275 | Mutex::Autolock autoLock(mLock); |
Andreas Huber | d7d22eb | 2010-02-23 13:45:33 -0800 | [diff] [blame] | 276 | *finalStatus = mFinalStatus; |
Andreas Huber | 70d10c0 | 2010-02-03 11:37:29 -0800 | [diff] [blame] | 277 | return mReachedEOS; |
| 278 | } |
| 279 | |
Jean-Michel Trivi | e901a5c | 2012-02-02 09:06:31 -0800 | [diff] [blame] | 280 | status_t AudioPlayer::setPlaybackRatePermille(int32_t ratePermille) { |
| 281 | if (mAudioSink.get() != NULL) { |
| 282 | return mAudioSink->setPlaybackRatePermille(ratePermille); |
| 283 | } else if (mAudioTrack != NULL){ |
| 284 | return mAudioTrack->setSampleRate(ratePermille * mSampleRate / 1000); |
| 285 | } else { |
| 286 | return NO_INIT; |
| 287 | } |
| 288 | } |
| 289 | |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 290 | // static |
Andreas Huber | 6ed937e | 2010-02-09 16:59:18 -0800 | [diff] [blame] | 291 | size_t AudioPlayer::AudioSinkCallback( |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 292 | MediaPlayerBase::AudioSink *audioSink, |
| 293 | void *buffer, size_t size, void *cookie) { |
| 294 | AudioPlayer *me = (AudioPlayer *)cookie; |
| 295 | |
Andreas Huber | 6ed937e | 2010-02-09 16:59:18 -0800 | [diff] [blame] | 296 | return me->fillBuffer(buffer, size); |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 297 | } |
| 298 | |
Glenn Kasten | e46a86f | 2011-06-01 15:20:35 -0700 | [diff] [blame] | 299 | void AudioPlayer::AudioCallback(int event, void *info) { |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 300 | if (event != AudioTrack::EVENT_MORE_DATA) { |
| 301 | return; |
| 302 | } |
| 303 | |
| 304 | AudioTrack::Buffer *buffer = (AudioTrack::Buffer *)info; |
Andreas Huber | 6ed937e | 2010-02-09 16:59:18 -0800 | [diff] [blame] | 305 | size_t numBytesWritten = fillBuffer(buffer->raw, buffer->size); |
| 306 | |
| 307 | buffer->size = numBytesWritten; |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 308 | } |
| 309 | |
Andreas Huber | 4dc482d | 2011-03-22 10:31:21 -0700 | [diff] [blame] | 310 | uint32_t AudioPlayer::getNumFramesPendingPlayout() const { |
| 311 | uint32_t numFramesPlayedOut; |
| 312 | status_t err; |
| 313 | |
| 314 | if (mAudioSink != NULL) { |
| 315 | err = mAudioSink->getPosition(&numFramesPlayedOut); |
| 316 | } else { |
| 317 | err = mAudioTrack->getPosition(&numFramesPlayedOut); |
| 318 | } |
| 319 | |
| 320 | if (err != OK || mNumFramesPlayed < numFramesPlayedOut) { |
| 321 | return 0; |
| 322 | } |
| 323 | |
| 324 | // mNumFramesPlayed is the number of frames submitted |
| 325 | // to the audio sink for playback, but not all of them |
| 326 | // may have played out by now. |
| 327 | return mNumFramesPlayed - numFramesPlayedOut; |
| 328 | } |
| 329 | |
Andreas Huber | 6ed937e | 2010-02-09 16:59:18 -0800 | [diff] [blame] | 330 | size_t AudioPlayer::fillBuffer(void *data, size_t size) { |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 331 | if (mNumFramesPlayed == 0) { |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 332 | ALOGV("AudioCallback"); |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 333 | } |
| 334 | |
Andreas Huber | 70d10c0 | 2010-02-03 11:37:29 -0800 | [diff] [blame] | 335 | if (mReachedEOS) { |
Andreas Huber | c6e3b27 | 2011-04-04 11:43:40 -0700 | [diff] [blame] | 336 | return 0; |
Andreas Huber | 70d10c0 | 2010-02-03 11:37:29 -0800 | [diff] [blame] | 337 | } |
| 338 | |
Andreas Huber | 8e64c31 | 2011-04-04 09:12:56 -0700 | [diff] [blame] | 339 | bool postSeekComplete = false; |
| 340 | bool postEOS = false; |
| 341 | int64_t postEOSDelayUs = 0; |
| 342 | |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 343 | size_t size_done = 0; |
| 344 | size_t size_remaining = size; |
| 345 | while (size_remaining > 0) { |
| 346 | MediaSource::ReadOptions options; |
| 347 | |
| 348 | { |
| 349 | Mutex::Autolock autoLock(mLock); |
| 350 | |
| 351 | if (mSeeking) { |
Andreas Huber | 16263d9 | 2010-07-20 09:44:34 -0700 | [diff] [blame] | 352 | if (mIsFirstBuffer) { |
| 353 | if (mFirstBuffer != NULL) { |
| 354 | mFirstBuffer->release(); |
| 355 | mFirstBuffer = NULL; |
| 356 | } |
| 357 | mIsFirstBuffer = false; |
| 358 | } |
| 359 | |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 360 | options.setSeekTo(mSeekTimeUs); |
| 361 | |
| 362 | if (mInputBuffer != NULL) { |
| 363 | mInputBuffer->release(); |
| 364 | mInputBuffer = NULL; |
| 365 | } |
Gloria Wang | 2b7bb21 | 2010-02-04 17:43:09 -0800 | [diff] [blame] | 366 | |
| 367 | mSeeking = false; |
Andreas Huber | 2b359ed | 2010-09-28 11:56:39 -0700 | [diff] [blame] | 368 | if (mObserver) { |
Andreas Huber | 8e64c31 | 2011-04-04 09:12:56 -0700 | [diff] [blame] | 369 | postSeekComplete = true; |
Andreas Huber | 2b359ed | 2010-09-28 11:56:39 -0700 | [diff] [blame] | 370 | } |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 371 | } |
| 372 | } |
| 373 | |
| 374 | if (mInputBuffer == NULL) { |
Andreas Huber | 16263d9 | 2010-07-20 09:44:34 -0700 | [diff] [blame] | 375 | status_t err; |
| 376 | |
| 377 | if (mIsFirstBuffer) { |
| 378 | mInputBuffer = mFirstBuffer; |
| 379 | mFirstBuffer = NULL; |
| 380 | err = mFirstBufferResult; |
| 381 | |
| 382 | mIsFirstBuffer = false; |
| 383 | } else { |
| 384 | err = mSource->read(&mInputBuffer, &options); |
| 385 | } |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 386 | |
Andreas Huber | b5ceb9e | 2009-08-26 14:48:20 -0700 | [diff] [blame] | 387 | CHECK((err == OK && mInputBuffer != NULL) |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 388 | || (err != OK && mInputBuffer == NULL)); |
| 389 | |
Andreas Huber | 70d10c0 | 2010-02-03 11:37:29 -0800 | [diff] [blame] | 390 | Mutex::Autolock autoLock(mLock); |
Andreas Huber | 27366fc | 2009-11-20 09:32:46 -0800 | [diff] [blame] | 391 | |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 392 | if (err != OK) { |
Andreas Huber | 2b359ed | 2010-09-28 11:56:39 -0700 | [diff] [blame] | 393 | if (mObserver && !mReachedEOS) { |
Andreas Huber | 4dc482d | 2011-03-22 10:31:21 -0700 | [diff] [blame] | 394 | // We don't want to post EOS right away but only |
| 395 | // after all frames have actually been played out. |
| 396 | |
| 397 | // These are the number of frames submitted to the |
| 398 | // AudioTrack that you haven't heard yet. |
| 399 | uint32_t numFramesPendingPlayout = |
| 400 | getNumFramesPendingPlayout(); |
| 401 | |
| 402 | // These are the number of frames we're going to |
| 403 | // submit to the AudioTrack by returning from this |
| 404 | // callback. |
| 405 | uint32_t numAdditionalFrames = size_done / mFrameSize; |
| 406 | |
| 407 | numFramesPendingPlayout += numAdditionalFrames; |
| 408 | |
| 409 | int64_t timeToCompletionUs = |
| 410 | (1000000ll * numFramesPendingPlayout) / mSampleRate; |
| 411 | |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 412 | ALOGV("total number of frames played: %lld (%lld us)", |
Andreas Huber | 4dc482d | 2011-03-22 10:31:21 -0700 | [diff] [blame] | 413 | (mNumFramesPlayed + numAdditionalFrames), |
| 414 | 1000000ll * (mNumFramesPlayed + numAdditionalFrames) |
| 415 | / mSampleRate); |
| 416 | |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 417 | ALOGV("%d frames left to play, %lld us (%.2f secs)", |
Andreas Huber | 4dc482d | 2011-03-22 10:31:21 -0700 | [diff] [blame] | 418 | numFramesPendingPlayout, |
| 419 | timeToCompletionUs, timeToCompletionUs / 1E6); |
| 420 | |
Andreas Huber | 8e64c31 | 2011-04-04 09:12:56 -0700 | [diff] [blame] | 421 | postEOS = true; |
| 422 | postEOSDelayUs = timeToCompletionUs + mLatencyUs; |
Andreas Huber | 2b359ed | 2010-09-28 11:56:39 -0700 | [diff] [blame] | 423 | } |
| 424 | |
Andreas Huber | 70d10c0 | 2010-02-03 11:37:29 -0800 | [diff] [blame] | 425 | mReachedEOS = true; |
Andreas Huber | d7d22eb | 2010-02-23 13:45:33 -0800 | [diff] [blame] | 426 | mFinalStatus = err; |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 427 | break; |
| 428 | } |
| 429 | |
Andreas Huber | fa8de75 | 2009-10-08 10:07:49 -0700 | [diff] [blame] | 430 | CHECK(mInputBuffer->meta_data()->findInt64( |
| 431 | kKeyTime, &mPositionTimeMediaUs)); |
Andreas Huber | 8a43277 | 2009-07-28 10:03:13 -0700 | [diff] [blame] | 432 | |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 433 | mPositionTimeRealUs = |
Andreas Huber | 065f69e | 2010-02-03 15:35:59 -0800 | [diff] [blame] | 434 | ((mNumFramesPlayed + size_done / mFrameSize) * 1000000) |
Andreas Huber | 8a43277 | 2009-07-28 10:03:13 -0700 | [diff] [blame] | 435 | / mSampleRate; |
Andreas Huber | c997aca | 2009-11-05 16:34:39 -0800 | [diff] [blame] | 436 | |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 437 | ALOGV("buffer->size() = %d, " |
Andreas Huber | c997aca | 2009-11-05 16:34:39 -0800 | [diff] [blame] | 438 | "mPositionTimeMediaUs=%.2f mPositionTimeRealUs=%.2f", |
| 439 | mInputBuffer->range_length(), |
| 440 | mPositionTimeMediaUs / 1E6, mPositionTimeRealUs / 1E6); |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 441 | } |
| 442 | |
| 443 | if (mInputBuffer->range_length() == 0) { |
| 444 | mInputBuffer->release(); |
| 445 | mInputBuffer = NULL; |
| 446 | |
| 447 | continue; |
| 448 | } |
| 449 | |
| 450 | size_t copy = size_remaining; |
| 451 | if (copy > mInputBuffer->range_length()) { |
| 452 | copy = mInputBuffer->range_length(); |
| 453 | } |
| 454 | |
| 455 | memcpy((char *)data + size_done, |
| 456 | (const char *)mInputBuffer->data() + mInputBuffer->range_offset(), |
| 457 | copy); |
| 458 | |
| 459 | mInputBuffer->set_range(mInputBuffer->range_offset() + copy, |
| 460 | mInputBuffer->range_length() - copy); |
Andreas Huber | aee3c63 | 2010-01-11 15:35:19 -0800 | [diff] [blame] | 461 | |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 462 | size_done += copy; |
| 463 | size_remaining -= copy; |
| 464 | } |
| 465 | |
Andreas Huber | 8e64c31 | 2011-04-04 09:12:56 -0700 | [diff] [blame] | 466 | { |
| 467 | Mutex::Autolock autoLock(mLock); |
| 468 | mNumFramesPlayed += size_done / mFrameSize; |
| 469 | } |
| 470 | |
| 471 | if (postEOS) { |
| 472 | mObserver->postAudioEOS(postEOSDelayUs); |
| 473 | } |
| 474 | |
| 475 | if (postSeekComplete) { |
| 476 | mObserver->postAudioSeekComplete(); |
| 477 | } |
Andreas Huber | 6ed937e | 2010-02-09 16:59:18 -0800 | [diff] [blame] | 478 | |
| 479 | return size_done; |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 480 | } |
| 481 | |
| 482 | int64_t AudioPlayer::getRealTimeUs() { |
| 483 | Mutex::Autolock autoLock(mLock); |
| 484 | return getRealTimeUsLocked(); |
| 485 | } |
| 486 | |
| 487 | int64_t AudioPlayer::getRealTimeUsLocked() const { |
Andreas Huber | 8458447 | 2011-09-08 11:33:47 -0700 | [diff] [blame] | 488 | CHECK(mStarted); |
| 489 | CHECK_NE(mSampleRate, 0); |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 490 | return -mLatencyUs + (mNumFramesPlayed * 1000000) / mSampleRate; |
| 491 | } |
| 492 | |
| 493 | int64_t AudioPlayer::getMediaTimeUs() { |
| 494 | Mutex::Autolock autoLock(mLock); |
| 495 | |
Andreas Huber | c119f7e | 2010-02-03 10:23:26 -0800 | [diff] [blame] | 496 | if (mPositionTimeMediaUs < 0 || mPositionTimeRealUs < 0) { |
Andreas Huber | 59529e1 | 2011-03-25 16:36:13 -0700 | [diff] [blame] | 497 | if (mSeeking) { |
| 498 | return mSeekTimeUs; |
| 499 | } |
| 500 | |
Andreas Huber | c119f7e | 2010-02-03 10:23:26 -0800 | [diff] [blame] | 501 | return 0; |
| 502 | } |
| 503 | |
Andreas Huber | 065f69e | 2010-02-03 15:35:59 -0800 | [diff] [blame] | 504 | int64_t realTimeOffset = getRealTimeUsLocked() - mPositionTimeRealUs; |
| 505 | if (realTimeOffset < 0) { |
| 506 | realTimeOffset = 0; |
| 507 | } |
| 508 | |
| 509 | return mPositionTimeMediaUs + realTimeOffset; |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 510 | } |
| 511 | |
| 512 | bool AudioPlayer::getMediaTimeMapping( |
| 513 | int64_t *realtime_us, int64_t *mediatime_us) { |
| 514 | Mutex::Autolock autoLock(mLock); |
| 515 | |
| 516 | *realtime_us = mPositionTimeRealUs; |
| 517 | *mediatime_us = mPositionTimeMediaUs; |
| 518 | |
Andreas Huber | c119f7e | 2010-02-03 10:23:26 -0800 | [diff] [blame] | 519 | return mPositionTimeRealUs != -1 && mPositionTimeMediaUs != -1; |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 520 | } |
| 521 | |
| 522 | status_t AudioPlayer::seekTo(int64_t time_us) { |
| 523 | Mutex::Autolock autoLock(mLock); |
| 524 | |
| 525 | mSeeking = true; |
Andreas Huber | 59529e1 | 2011-03-25 16:36:13 -0700 | [diff] [blame] | 526 | mPositionTimeRealUs = mPositionTimeMediaUs = -1; |
Andreas Huber | 70d10c0 | 2010-02-03 11:37:29 -0800 | [diff] [blame] | 527 | mReachedEOS = false; |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 528 | mSeekTimeUs = time_us; |
| 529 | |
James Dong | dbf8512 | 2011-09-27 22:47:25 -0700 | [diff] [blame] | 530 | // Flush resets the number of played frames |
| 531 | mNumFramesPlayed = 0; |
| 532 | |
Andreas Huber | ad3fcfe | 2010-09-28 13:13:38 -0700 | [diff] [blame] | 533 | if (mAudioSink != NULL) { |
| 534 | mAudioSink->flush(); |
| 535 | } else { |
| 536 | mAudioTrack->flush(); |
| 537 | } |
| 538 | |
Andreas Huber | e46b7be | 2009-07-14 16:56:47 -0700 | [diff] [blame] | 539 | return OK; |
| 540 | } |
| 541 | |
| 542 | } |