VideoEditorPlayer.cpp revision 6859837b0bdea82be855ab50bd69c5ac9b62acf2 
1/*
2 * Copyright (C) 2011 NXP Software
3 * Copyright (C) 2011 The Android Open Source Project
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 *      http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18#define LOG_NDEBUG 1
19#define LOG_TAG "VideoEditorPlayer"
20#include <utils/Log.h>
21
22#include "VideoEditorPlayer.h"
23#include "PreviewPlayer.h"
24
25#include <media/Metadata.h>
26#include <media/stagefright/MediaExtractor.h>
27
28#include <hardware/audio.h>
29
30namespace android {
31
32VideoEditorPlayer::VideoEditorPlayer()
33    : mPlayer(new PreviewPlayer) {
34
35    LOGV("VideoEditorPlayer");
36    mPlayer->setListener(this);
37}
38
39VideoEditorPlayer::~VideoEditorPlayer() {
40    LOGV("~VideoEditorPlayer");
41
42    reset();
43    mVeAudioSink.clear();
44
45    delete mPlayer;
46    mPlayer = NULL;
47}
48
49status_t VideoEditorPlayer::initCheck() {
50    LOGV("initCheck");
51    return OK;
52}
53
54
55status_t VideoEditorPlayer::setAudioPlayer(VideoEditorAudioPlayer *audioPlayer) {
56    return mPlayer->setAudioPlayer(audioPlayer);
57}
58
59
60status_t VideoEditorPlayer::setDataSource(
61        const char *url, const KeyedVector<String8, String8> *headers) {
62    LOGI("setDataSource('%s')", url);
63
64    return mPlayer->setDataSource(url, headers);
65}
66
67//We donot use this in preview, dummy implimentation as this is pure virtual
68status_t VideoEditorPlayer::setDataSource(int fd, int64_t offset,
69    int64_t length) {
70    LOGE("setDataSource(%d, %lld, %lld) Not supported", fd, offset, length);
71    return (!OK);
72}
73
74status_t VideoEditorPlayer::setVideoSurface(const sp<Surface> &surface) {
75    LOGV("setVideoSurface");
76
77    mPlayer->setSurface(surface);
78    return OK;
79}
80
81status_t VideoEditorPlayer::setVideoSurfaceTexture(const sp<ISurfaceTexture> &surfaceTexture) {
82    LOGV("setVideoSurfaceTexture");
83
84    mPlayer->setSurfaceTexture(surfaceTexture);
85    return OK;
86}
87
88status_t VideoEditorPlayer::prepare() {
89    LOGV("prepare");
90    return mPlayer->prepare();
91}
92
93status_t VideoEditorPlayer::prepareAsync() {
94    return mPlayer->prepareAsync();
95}
96
97status_t VideoEditorPlayer::start() {
98    LOGV("start");
99    return mPlayer->play();
100}
101
102status_t VideoEditorPlayer::stop() {
103    LOGV("stop");
104    return pause();
105}
106
107status_t VideoEditorPlayer::pause() {
108    LOGV("pause");
109    return mPlayer->pause();
110}
111
112bool VideoEditorPlayer::isPlaying() {
113    LOGV("isPlaying");
114    return mPlayer->isPlaying();
115}
116
117status_t VideoEditorPlayer::seekTo(int msec) {
118    LOGV("seekTo");
119    status_t err = mPlayer->seekTo((int64_t)msec * 1000);
120    return err;
121}
122
123status_t VideoEditorPlayer::getCurrentPosition(int *msec) {
124    LOGV("getCurrentPosition");
125    int64_t positionUs;
126    status_t err = mPlayer->getPosition(&positionUs);
127
128    if (err != OK) {
129        return err;
130    }
131
132    *msec = (positionUs + 500) / 1000;
133    return OK;
134}
135
136status_t VideoEditorPlayer::getDuration(int *msec) {
137    LOGV("getDuration");
138
139    int64_t durationUs;
140    status_t err = mPlayer->getDuration(&durationUs);
141
142    if (err != OK) {
143        *msec = 0;
144        return OK;
145    }
146
147    *msec = (durationUs + 500) / 1000;
148    return OK;
149}
150
151status_t VideoEditorPlayer::reset() {
152    LOGV("reset");
153    mPlayer->reset();
154    return OK;
155}
156
157status_t VideoEditorPlayer::setLooping(int loop) {
158    LOGV("setLooping");
159    return mPlayer->setLooping(loop);
160}
161
162player_type VideoEditorPlayer::playerType() {
163    LOGV("playerType");
164    return STAGEFRIGHT_PLAYER;
165}
166
167status_t VideoEditorPlayer::suspend() {
168    LOGV("suspend");
169    return mPlayer->suspend();
170}
171
172status_t VideoEditorPlayer::resume() {
173    LOGV("resume");
174    return mPlayer->resume();
175}
176
177void VideoEditorPlayer::acquireLock() {
178    LOGV("acquireLock");
179    mPlayer->acquireLock();
180}
181
182void VideoEditorPlayer::releaseLock() {
183    LOGV("releaseLock");
184    mPlayer->releaseLock();
185}
186
187status_t VideoEditorPlayer::invoke(const Parcel &request, Parcel *reply) {
188    return INVALID_OPERATION;
189}
190
191void VideoEditorPlayer::setAudioSink(const sp<AudioSink> &audioSink) {
192    MediaPlayerInterface::setAudioSink(audioSink);
193
194    mPlayer->setAudioSink(audioSink);
195}
196
197status_t VideoEditorPlayer::getMetadata(
198        const media::Metadata::Filter& ids, Parcel *records) {
199    using media::Metadata;
200
201    uint32_t flags = mPlayer->flags();
202
203    Metadata metadata(records);
204
205    metadata.appendBool(
206            Metadata::kPauseAvailable,
207            flags & MediaExtractor::CAN_PAUSE);
208
209    metadata.appendBool(
210            Metadata::kSeekBackwardAvailable,
211            flags & MediaExtractor::CAN_SEEK_BACKWARD);
212
213    metadata.appendBool(
214            Metadata::kSeekForwardAvailable,
215            flags & MediaExtractor::CAN_SEEK_FORWARD);
216
217    metadata.appendBool(
218            Metadata::kSeekAvailable,
219            flags & MediaExtractor::CAN_SEEK);
220
221    return OK;
222}
223
224status_t VideoEditorPlayer::loadEffectsSettings(
225    M4VSS3GPP_EffectSettings* pEffectSettings, int nEffects) {
226    LOGV("loadEffectsSettings");
227    return mPlayer->loadEffectsSettings(pEffectSettings, nEffects);
228}
229
230status_t VideoEditorPlayer::loadAudioMixSettings(
231    M4xVSS_AudioMixingSettings* pAudioMixSettings) {
232    LOGV("VideoEditorPlayer: loadAudioMixSettings");
233    return mPlayer->loadAudioMixSettings(pAudioMixSettings);
234}
235
236status_t VideoEditorPlayer::setAudioMixPCMFileHandle(
237    M4OSA_Context pAudioMixPCMFileHandle) {
238
239    LOGV("VideoEditorPlayer: loadAudioMixSettings");
240    return mPlayer->setAudioMixPCMFileHandle(pAudioMixPCMFileHandle);
241}
242
243status_t VideoEditorPlayer::setAudioMixStoryBoardParam(
244    M4OSA_UInt32 audioMixStoryBoardTS,
245    M4OSA_UInt32 currentMediaBeginCutTime,
246    M4OSA_UInt32 primaryTrackVolValue) {
247
248    LOGV("VideoEditorPlayer: loadAudioMixSettings");
249    return mPlayer->setAudioMixStoryBoardParam(audioMixStoryBoardTS,
250     currentMediaBeginCutTime, primaryTrackVolValue);
251}
252
253status_t VideoEditorPlayer::setPlaybackBeginTime(uint32_t msec) {
254    LOGV("setPlaybackBeginTime");
255    return mPlayer->setPlaybackBeginTime(msec);
256}
257
258status_t VideoEditorPlayer::setPlaybackEndTime(uint32_t msec) {
259    LOGV("setPlaybackEndTime");
260    return mPlayer->setPlaybackEndTime(msec);
261}
262
263status_t VideoEditorPlayer::setStoryboardStartTime(uint32_t msec) {
264    LOGV("setStoryboardStartTime");
265    return mPlayer->setStoryboardStartTime(msec);
266}
267
268status_t VideoEditorPlayer::setProgressCallbackInterval(uint32_t cbInterval) {
269    LOGV("setProgressCallbackInterval");
270    return mPlayer->setProgressCallbackInterval(cbInterval);
271}
272
273status_t VideoEditorPlayer::setMediaRenderingMode(
274    M4xVSS_MediaRendering mode,
275    M4VIDEOEDITING_VideoFrameSize outputVideoSize) {
276
277    LOGV("setMediaRenderingMode");
278    return mPlayer->setMediaRenderingMode(mode, outputVideoSize);
279}
280
281status_t VideoEditorPlayer::resetJniCallbackTimeStamp() {
282    LOGV("resetJniCallbackTimeStamp");
283    return mPlayer->resetJniCallbackTimeStamp();
284}
285
286status_t VideoEditorPlayer::setImageClipProperties(
287    uint32_t width, uint32_t height) {
288    return mPlayer->setImageClipProperties(width, height);
289}
290
291status_t VideoEditorPlayer::readFirstVideoFrame() {
292    return mPlayer->readFirstVideoFrame();
293}
294
295status_t VideoEditorPlayer::getLastRenderedTimeMs(uint32_t *lastRenderedTimeMs) {
296    mPlayer->getLastRenderedTimeMs(lastRenderedTimeMs);
297    return NO_ERROR;
298}
299
300/* Implementation of AudioSink interface */
301#undef LOG_TAG
302#define LOG_TAG "VeAudioSink"
303
304int VideoEditorPlayer::VeAudioOutput::mMinBufferCount = 4;
305bool VideoEditorPlayer::VeAudioOutput::mIsOnEmulator = false;
306
307VideoEditorPlayer::VeAudioOutput::VeAudioOutput()
308    : mCallback(NULL),
309      mCallbackCookie(NULL) {
310    mTrack = 0;
311    mStreamType = AUDIO_STREAM_MUSIC;
312    mLeftVolume = 1.0;
313    mRightVolume = 1.0;
314    mLatency = 0;
315    mMsecsPerFrame = 0;
316    mNumFramesWritten = 0;
317    setMinBufferCount();
318}
319
320VideoEditorPlayer::VeAudioOutput::~VeAudioOutput() {
321    close();
322}
323
324void VideoEditorPlayer::VeAudioOutput::setMinBufferCount() {
325
326    mIsOnEmulator = false;
327    mMinBufferCount = 4;
328}
329
330bool VideoEditorPlayer::VeAudioOutput::isOnEmulator() {
331
332    setMinBufferCount();
333    return mIsOnEmulator;
334}
335
336int VideoEditorPlayer::VeAudioOutput::getMinBufferCount() {
337
338    setMinBufferCount();
339    return mMinBufferCount;
340}
341
342ssize_t VideoEditorPlayer::VeAudioOutput::bufferSize() const {
343
344    if (mTrack == 0) return NO_INIT;
345    return mTrack->frameCount() * frameSize();
346}
347
348ssize_t VideoEditorPlayer::VeAudioOutput::frameCount() const {
349
350    if (mTrack == 0) return NO_INIT;
351    return mTrack->frameCount();
352}
353
354ssize_t VideoEditorPlayer::VeAudioOutput::channelCount() const
355{
356    if (mTrack == 0) return NO_INIT;
357    return mTrack->channelCount();
358}
359
360ssize_t VideoEditorPlayer::VeAudioOutput::frameSize() const
361{
362    if (mTrack == 0) return NO_INIT;
363    return mTrack->frameSize();
364}
365
366uint32_t VideoEditorPlayer::VeAudioOutput::latency () const
367{
368    return mLatency;
369}
370
371float VideoEditorPlayer::VeAudioOutput::msecsPerFrame() const
372{
373    return mMsecsPerFrame;
374}
375
376status_t VideoEditorPlayer::VeAudioOutput::getPosition(uint32_t *position) {
377
378    if (mTrack == 0) return NO_INIT;
379    return mTrack->getPosition(position);
380}
381
382status_t VideoEditorPlayer::VeAudioOutput::open(
383        uint32_t sampleRate, int channelCount, int format, int bufferCount,
384        AudioCallback cb, void *cookie) {
385
386    mCallback = cb;
387    mCallbackCookie = cookie;
388
389    // Check argument "bufferCount" against the mininum buffer count
390    if (bufferCount < mMinBufferCount) {
391        LOGV("bufferCount (%d) is too small and increased to %d",
392            bufferCount, mMinBufferCount);
393        bufferCount = mMinBufferCount;
394
395    }
396    LOGV("open(%u, %d, %d, %d)", sampleRate, channelCount, format, bufferCount);
397    if (mTrack) close();
398    int afSampleRate;
399    int afFrameCount;
400    int frameCount;
401
402    if (AudioSystem::getOutputFrameCount(&afFrameCount, mStreamType) !=
403     NO_ERROR) {
404        return NO_INIT;
405    }
406    if (AudioSystem::getOutputSamplingRate(&afSampleRate, mStreamType) !=
407     NO_ERROR) {
408        return NO_INIT;
409    }
410
411    frameCount = (sampleRate*afFrameCount*bufferCount)/afSampleRate;
412
413    AudioTrack *t;
414    if (mCallback != NULL) {
415        t = new AudioTrack(
416                mStreamType,
417                sampleRate,
418                format,
419                (channelCount == 2) ?
420                 AUDIO_CHANNEL_OUT_STEREO : AUDIO_CHANNEL_OUT_MONO,
421                frameCount,
422                0 /* flags */,
423                CallbackWrapper,
424                this);
425    } else {
426        t = new AudioTrack(
427                mStreamType,
428                sampleRate,
429                format,
430                (channelCount == 2) ?
431                 AUDIO_CHANNEL_OUT_STEREO : AUDIO_CHANNEL_OUT_MONO,
432                frameCount);
433    }
434
435    if ((t == 0) || (t->initCheck() != NO_ERROR)) {
436        LOGE("Unable to create audio track");
437        delete t;
438        return NO_INIT;
439    }
440
441    LOGV("setVolume");
442    t->setVolume(mLeftVolume, mRightVolume);
443    mMsecsPerFrame = 1.e3 / (float) sampleRate;
444    mLatency = t->latency();
445    mTrack = t;
446    return NO_ERROR;
447}
448
449void VideoEditorPlayer::VeAudioOutput::start() {
450
451    LOGV("start");
452    if (mTrack) {
453        mTrack->setVolume(mLeftVolume, mRightVolume);
454        mTrack->start();
455        mTrack->getPosition(&mNumFramesWritten);
456    }
457}
458
459void VideoEditorPlayer::VeAudioOutput::snoopWrite(
460    const void* buffer, size_t size) {
461    // Visualization buffers not supported
462    return;
463
464}
465
466ssize_t VideoEditorPlayer::VeAudioOutput::write(
467     const void* buffer, size_t size) {
468
469    LOG_FATAL_IF(mCallback != NULL, "Don't call write if supplying a callback.");
470
471    //LOGV("write(%p, %u)", buffer, size);
472    if (mTrack) {
473        snoopWrite(buffer, size);
474        ssize_t ret = mTrack->write(buffer, size);
475        mNumFramesWritten += ret / 4; // assume 16 bit stereo
476        return ret;
477    }
478    return NO_INIT;
479}
480
481void VideoEditorPlayer::VeAudioOutput::stop() {
482
483    LOGV("stop");
484    if (mTrack) mTrack->stop();
485}
486
487void VideoEditorPlayer::VeAudioOutput::flush() {
488
489    LOGV("flush");
490    if (mTrack) mTrack->flush();
491}
492
493void VideoEditorPlayer::VeAudioOutput::pause() {
494
495    LOGV("VeAudioOutput::pause");
496    if (mTrack) mTrack->pause();
497}
498
499void VideoEditorPlayer::VeAudioOutput::close() {
500
501    LOGV("close");
502    delete mTrack;
503    mTrack = 0;
504}
505
506void VideoEditorPlayer::VeAudioOutput::setVolume(float left, float right) {
507
508    LOGV("setVolume(%f, %f)", left, right);
509    mLeftVolume = left;
510    mRightVolume = right;
511    if (mTrack) {
512        mTrack->setVolume(left, right);
513    }
514}
515
516// static
517void VideoEditorPlayer::VeAudioOutput::CallbackWrapper(
518        int event, void *cookie, void *info) {
519    //LOGV("VeAudioOutput::callbackwrapper");
520    if (event != AudioTrack::EVENT_MORE_DATA) {
521        return;
522    }
523
524    VeAudioOutput *me = (VeAudioOutput *)cookie;
525    AudioTrack::Buffer *buffer = (AudioTrack::Buffer *)info;
526
527    size_t actualSize = (*me->mCallback)(
528            me, buffer->raw, buffer->size, me->mCallbackCookie);
529
530    buffer->size = actualSize;
531
532    if (actualSize > 0) {
533        me->snoopWrite(buffer->raw, actualSize);
534    }
535}
536
537status_t VideoEditorPlayer::VeAudioOutput::dump(int fd, const Vector<String16>& args) const
538{
539    const size_t SIZE = 256;
540    char buffer[SIZE];
541    String8 result;
542
543    result.append(" VeAudioOutput\n");
544    snprintf(buffer, SIZE-1, "  stream type(%d), left - right volume(%f, %f)\n",
545            mStreamType, mLeftVolume, mRightVolume);
546    result.append(buffer);
547    snprintf(buffer, SIZE-1, "  msec per frame(%f), latency (%d)\n",
548            mMsecsPerFrame, mLatency);
549    result.append(buffer);
550    ::write(fd, result.string(), result.size());
551    if (mTrack != 0) {
552        mTrack->dump(fd, args);
553    }
554    return NO_ERROR;
555}
556
557int VideoEditorPlayer::VeAudioOutput::getSessionId() {
558
559    return mSessionId;
560}
561
562}  // namespace android
563