mSourceFlags(0),
mVideoIsAVC(false),
mOffloadAudio(false),
+ mCurrentOffloadInfo(AUDIO_INFO_INITIALIZER),
mAudioEOS(false),
mVideoEOS(false),
mScanSourcesPending(false),
bool mHadAnySourcesBefore =
(mAudioDecoder != NULL) || (mVideoDecoder != NULL);
+ // initialize video before audio because successful initialization of
+ // video may change deep buffer mode of audio.
if (mNativeWindow != NULL) {
instantiateDecoder(false, &mVideoDecoder);
}
if (mAudioSink != NULL) {
+ if (mOffloadAudio) {
+ // open audio sink early under offload mode.
+ sp<AMessage> format = mSource->getFormat(true /*audio*/);
+ openAudioSink(format, true /*offloadOnly*/);
+ }
instantiateDecoder(true, &mAudioDecoder);
}
CHECK(msg->findMessage("format", &format));
if (audio) {
- int32_t numChannels;
- CHECK(format->findInt32(
- "channel-count", &numChannels));
-
- int32_t sampleRate;
- CHECK(format->findInt32("sample-rate", &sampleRate));
-
- ALOGV("Audio output format changed to %d Hz, %d channels",
- sampleRate, numChannels);
-
- mAudioSink->close();
-
- uint32_t flags;
- int64_t durationUs;
- // FIXME: we should handle the case where the video decoder
- // is created after we receive the format change indication.
- // Current code will just make that we select deep buffer
- // with video which should not be a problem as it should
- // not prevent from keeping A/V sync.
- if (mVideoDecoder == NULL &&
- mSource->getDuration(&durationUs) == OK &&
- durationUs
- > AUDIO_SINK_MIN_DEEP_BUFFER_DURATION_US) {
- flags = AUDIO_OUTPUT_FLAG_DEEP_BUFFER;
- } else {
- flags = AUDIO_OUTPUT_FLAG_NONE;
- }
-
- int32_t channelMask;
- if (!format->findInt32("channel-mask", &channelMask)) {
- channelMask = CHANNEL_MASK_USE_CHANNEL_ORDER;
- }
-
- if (mOffloadAudio) {
- audio_format_t audioFormat = AUDIO_FORMAT_PCM_16_BIT;
- audio_offload_info_t offloadInfo =
- AUDIO_INFO_INITIALIZER;
-
- AString mime;
- CHECK(format->findString("mime", &mime));
-
- status_t err =
- mapMimeToAudioFormat(audioFormat, mime.c_str());
- if (err != OK) {
- ALOGE("Couldn't map mime \"%s\" to a valid "
- "audio_format", mime.c_str());
- mOffloadAudio = false;
- } else {
- ALOGV("Mime \"%s\" mapped to audio_format 0x%x",
- mime.c_str(), audioFormat);
-
- int32_t aacProfile = -1;
- if (audioFormat == AUDIO_FORMAT_AAC
- && format->findInt32("aac-profile", &aacProfile)) {
- // Redefine AAC format as per aac profile
- mapAACProfileToAudioFormat(
- audioFormat,
- aacProfile);
- }
-
- flags |= AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD;
-
- offloadInfo.duration_us = -1;
- format->findInt64(
- "durationUs", &offloadInfo.duration_us);
-
- int avgBitRate = -1;
- format->findInt32("bit-rate", &avgBitRate);
-
- offloadInfo.sample_rate = sampleRate;
- offloadInfo.channel_mask = channelMask;
- offloadInfo.format = audioFormat;
- offloadInfo.stream_type = AUDIO_STREAM_MUSIC;
- offloadInfo.bit_rate = avgBitRate;
- offloadInfo.has_video = (mVideoDecoder != NULL);
- offloadInfo.is_streaming = true;
-
- ALOGV("try to open AudioSink in offload mode");
- err = mAudioSink->open(
- sampleRate,
- numChannels,
- (audio_channel_mask_t)channelMask,
- audioFormat,
- 8 /* bufferCount */,
- &NuPlayer::Renderer::AudioSinkCallback,
- mRenderer.get(),
- (audio_output_flags_t)flags,
- &offloadInfo);
-
- if (err == OK) {
- // If the playback is offloaded to h/w, we pass
- // the HAL some metadata information.
- // We don't want to do this for PCM because it
- // will be going through the AudioFlinger mixer
- // before reaching the hardware.
- sp<MetaData> audioMeta =
- mSource->getFormatMeta(true /* audio */);
- sendMetaDataToHal(mAudioSink, audioMeta);
-
- err = mAudioSink->start();
- }
- }
-
- if (err != OK) {
- // Clean up, fall back to non offload mode.
- mAudioSink->close();
- mAudioDecoder.clear();
- mRenderer->signalDisableOffloadAudio();
- mOffloadAudio = false;
-
- instantiateDecoder(
- true /* audio */, &mAudioDecoder);
- }
- }
-
- if (!mOffloadAudio) {
- flags &= ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD;
- ALOGV("open AudioSink in NON-offload mode");
- CHECK_EQ(mAudioSink->open(
- sampleRate,
- numChannels,
- (audio_channel_mask_t)channelMask,
- AUDIO_FORMAT_PCM_16_BIT,
- 8 /* bufferCount */,
- NULL,
- NULL,
- (audio_output_flags_t)flags),
- (status_t)OK);
- mAudioSink->start();
- }
-
- mRenderer->signalAudioSinkChanged();
+ openAudioSink(format, false /*offloadOnly*/);
} else {
// video
sp<AMessage> inputFormat =
ALOGV("Tear down audio offload, fall back to s/w path");
int64_t positionUs;
CHECK(msg->findInt64("positionUs", &positionUs));
- mAudioSink->close();
+ closeAudioSink();
mAudioDecoder.clear();
mRenderer->flush(true /* audio */);
if (mVideoDecoder != NULL) {
mScanSourcesPending = true;
}
+void NuPlayer::openAudioSink(const sp<AMessage> &format, bool offloadOnly) {
+ ALOGV("openAudioSink: offloadOnly(%d) mOffloadAudio(%d)",
+ offloadOnly, mOffloadAudio);
+ bool audioSinkChanged = false;
+
+ int32_t numChannels;
+ CHECK(format->findInt32("channel-count", &numChannels));
+
+ int32_t channelMask;
+ if (!format->findInt32("channel-mask", &channelMask)) {
+ // signal to the AudioSink to derive the mask from count.
+ channelMask = CHANNEL_MASK_USE_CHANNEL_ORDER;
+ }
+
+ int32_t sampleRate;
+ CHECK(format->findInt32("sample-rate", &sampleRate));
+
+ uint32_t flags;
+ int64_t durationUs;
+ // FIXME: we should handle the case where the video decoder
+ // is created after we receive the format change indication.
+ // Current code will just make that we select deep buffer
+ // with video which should not be a problem as it should
+ // not prevent from keeping A/V sync.
+ if (mVideoDecoder == NULL &&
+ mSource->getDuration(&durationUs) == OK &&
+ durationUs
+ > AUDIO_SINK_MIN_DEEP_BUFFER_DURATION_US) {
+ flags = AUDIO_OUTPUT_FLAG_DEEP_BUFFER;
+ } else {
+ flags = AUDIO_OUTPUT_FLAG_NONE;
+ }
+
+ if (mOffloadAudio) {
+ audio_format_t audioFormat = AUDIO_FORMAT_PCM_16_BIT;
+ AString mime;
+ CHECK(format->findString("mime", &mime));
+ status_t err = mapMimeToAudioFormat(audioFormat, mime.c_str());
+
+ if (err != OK) {
+ ALOGE("Couldn't map mime \"%s\" to a valid "
+ "audio_format", mime.c_str());
+ mOffloadAudio = false;
+ } else {
+ ALOGV("Mime \"%s\" mapped to audio_format 0x%x",
+ mime.c_str(), audioFormat);
+
+ int avgBitRate = -1;
+ format->findInt32("bit-rate", &avgBitRate);
+
+ int32_t aacProfile = -1;
+ if (audioFormat == AUDIO_FORMAT_AAC
+ && format->findInt32("aac-profile", &aacProfile)) {
+ // Redefine AAC format as per aac profile
+ mapAACProfileToAudioFormat(
+ audioFormat,
+ aacProfile);
+ }
+
+ audio_offload_info_t offloadInfo = AUDIO_INFO_INITIALIZER;
+ offloadInfo.duration_us = -1;
+ format->findInt64(
+ "durationUs", &offloadInfo.duration_us);
+ offloadInfo.sample_rate = sampleRate;
+ offloadInfo.channel_mask = channelMask;
+ offloadInfo.format = audioFormat;
+ offloadInfo.stream_type = AUDIO_STREAM_MUSIC;
+ offloadInfo.bit_rate = avgBitRate;
+ offloadInfo.has_video = (mVideoDecoder != NULL);
+ offloadInfo.is_streaming = true;
+
+ if (memcmp(&mCurrentOffloadInfo, &offloadInfo, sizeof(offloadInfo)) == 0) {
+ ALOGV("openAudioSink: no change in offload mode");
+ return; // no change from previous configuration, everything ok.
+ }
+ ALOGV("openAudioSink: try to open AudioSink in offload mode");
+ flags |= AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD;
+ audioSinkChanged = true;
+ mAudioSink->close();
+ err = mAudioSink->open(
+ sampleRate,
+ numChannels,
+ (audio_channel_mask_t)channelMask,
+ audioFormat,
+ 8 /* bufferCount */,
+ &NuPlayer::Renderer::AudioSinkCallback,
+ mRenderer.get(),
+ (audio_output_flags_t)flags,
+ &offloadInfo);
+
+ if (err == OK) {
+ // If the playback is offloaded to h/w, we pass
+ // the HAL some metadata information.
+ // We don't want to do this for PCM because it
+ // will be going through the AudioFlinger mixer
+ // before reaching the hardware.
+ sp<MetaData> audioMeta =
+ mSource->getFormatMeta(true /* audio */);
+ sendMetaDataToHal(mAudioSink, audioMeta);
+ mCurrentOffloadInfo = offloadInfo;
+ err = mAudioSink->start();
+ ALOGV_IF(err == OK, "openAudioSink: offload succeeded");
+ }
+ if (err != OK) {
+ // Clean up, fall back to non offload mode.
+ mAudioSink->close();
+ mRenderer->signalDisableOffloadAudio();
+ mOffloadAudio = false;
+ mCurrentOffloadInfo = AUDIO_INFO_INITIALIZER;
+ ALOGV("openAudioSink: offload failed");
+ }
+ }
+ }
+ if (!offloadOnly && !mOffloadAudio) {
+ flags &= ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD;
+ ALOGV("openAudioSink: open AudioSink in NON-offload mode");
+
+ audioSinkChanged = true;
+ mAudioSink->close();
+ mCurrentOffloadInfo = AUDIO_INFO_INITIALIZER;
+ CHECK_EQ(mAudioSink->open(
+ sampleRate,
+ numChannels,
+ (audio_channel_mask_t)channelMask,
+ AUDIO_FORMAT_PCM_16_BIT,
+ 8 /* bufferCount */,
+ NULL,
+ NULL,
+ (audio_output_flags_t)flags),
+ (status_t)OK);
+ mAudioSink->start();
+ }
+ if (audioSinkChanged) {
+ mRenderer->signalAudioSinkChanged();
+ }
+}
+
+void NuPlayer::closeAudioSink() {
+ mAudioSink->close();
+ mCurrentOffloadInfo = AUDIO_INFO_INITIALIZER;
+}
+
status_t NuPlayer::instantiateDecoder(bool audio, sp<Decoder> *decoder) {
if (*decoder != NULL) {
return OK;
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