am 3a474aa6: stagefright: support setting/getting playback/sync config in MediaSync (0ab2c4ce) · Commits · e / os / android_frameworks_av

include/media/AVSyncSettings.h

0 → 100644

+61 −0

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		/*
		* Copyright 2015 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.
		*/

		#ifndef ANDROID_AV_SYNC_SETTINGS_H
		#define ANDROID_AV_SYNC_SETTINGS_H

		namespace android {

		enum AVSyncSource : unsigned {
		// let the system decide the best sync source
		AVSYNC_SOURCE_DEFAULT = 0,
		// sync to the system clock
		AVSYNC_SOURCE_SYSTEM_CLOCK = 1,
		// sync to the audio track
		AVSYNC_SOURCE_AUDIO = 2,
		// sync to the display vsync
		AVSYNC_SOURCE_VSYNC = 3,
		AVSYNC_SOURCE_MAX,
		};

		enum AVSyncAudioAdjustMode : unsigned {
		// let the system decide the best audio adjust mode
		AVSYNC_AUDIO_ADJUST_MODE_DEFAULT = 0,
		// adjust audio by time stretching
		AVSYNC_AUDIO_ADJUST_MODE_STRETCH = 1,
		// adjust audio by resampling
		AVSYNC_AUDIO_ADJUST_MODE_RESAMPLE = 2,
		AVSYNC_AUDIO_ADJUST_MODE_MAX,
		};

		// max tolerance when adjusting playback speed to desired playback speed
		#define AVSYNC_TOLERANCE_MAX 1.0f

		struct AVSyncSettings {
		AVSyncSource mSource;
		AVSyncAudioAdjustMode mAudioAdjustMode;
		float mTolerance;
		AVSyncSettings()
		: mSource(AVSYNC_SOURCE_DEFAULT),
		mAudioAdjustMode(AVSYNC_AUDIO_ADJUST_MODE_DEFAULT),
		mTolerance(.044f) { }
		};

		} // namespace android

		// ---------------------------------------------------------------------------

		#endif // ANDROID_AV_SYNC_SETTINGS_H

include/media/AudioTrack.h

+6 −0

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		@@ -360,6 +360,11 @@ public:
		/* Return current source sample rate in Hz */
		uint32_t getSampleRate() const;

		/* Return the original source sample rate in Hz. This corresponds to the sample rate
		* if playback rate had normal speed and pitch.
		*/
		uint32_t getOriginalSampleRate() const;

		/* Set source playback rate for timestretch
		* 1.0 is normal speed: < 1.0 is slower, > 1.0 is faster
		* 1.0 is normal pitch: < 1.0 is lower pitch, > 1.0 is higher pitch
		@@ -749,6 +754,7 @@ protected:
		float mVolume[2];
		float mSendLevel;
		mutable uint32_t mSampleRate; // mutable because getSampleRate() can update it
		uint32_t mOriginalSampleRate;
		AudioPlaybackRate mPlaybackRate;
		size_t mFrameCount; // corresponds to current IAudioTrack, value is
		// reported back by AudioFlinger to the client

include/media/IMediaPlayer.h

+7 −1

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		@@ -35,6 +35,8 @@ class IDataSource;
		struct IStreamSource;
		class IGraphicBufferProducer;
		struct IMediaHTTPService;
		struct AudioPlaybackRate;
		struct AVSyncSettings;

		class IMediaPlayer: public IInterface
		{
		@@ -58,7 +60,11 @@ public:
		virtual status_t stop() = 0;
		virtual status_t pause() = 0;
		virtual status_t isPlaying(bool* state) = 0;
		virtual status_t setPlaybackRate(float rate) = 0;
		virtual status_t setPlaybackSettings(const AudioPlaybackRate& rate) = 0;
		virtual status_t getPlaybackSettings(AudioPlaybackRate* rate /* nonnull */) = 0;
		virtual status_t setSyncSettings(const AVSyncSettings& sync, float videoFpsHint) = 0;
		virtual status_t getSyncSettings(AVSyncSettings* sync /* nonnull */,
		float* videoFps /* nonnull */) = 0;
		virtual status_t seekTo(int msec) = 0;
		virtual status_t getCurrentPosition(int* msec) = 0;
		virtual status_t getDuration(int* msec) = 0;

include/media/MediaPlayerInterface.h

+29 −2

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		@@ -26,8 +26,10 @@
		#include <utils/RefBase.h>

		#include <media/mediaplayer.h>
		#include <media/AudioResamplerPublic.h>
		#include <media/AudioSystem.h>
		#include <media/AudioTimestamp.h>
		#include <media/AVSyncSettings.h>
		#include <media/Metadata.h>

		// Fwd decl to make sure everyone agrees that the scope of struct sockaddr_in is
		@@ -132,7 +134,8 @@ public:
		virtual void pause() = 0;
		virtual void close() = 0;

		virtual status_t setPlaybackRatePermille(int32_t /* rate */) { return INVALID_OPERATION;}
		virtual status_t setPlaybackRate(const AudioPlaybackRate& rate) = 0;
		virtual status_t getPlaybackRate(AudioPlaybackRate* rate /* nonnull */) = 0;
		virtual bool needsTrailingPadding() { return true; }

		virtual status_t setParameters(const String8& /* keyValuePairs */) { return NO_ERROR; }
		@@ -173,7 +176,31 @@ public:
		virtual status_t stop() = 0;
		virtual status_t pause() = 0;
		virtual bool isPlaying() = 0;
		virtual status_t setPlaybackRate(float /* rate */) { return INVALID_OPERATION; }
		virtual status_t setPlaybackSettings(const AudioPlaybackRate& rate) {
		// by default, players only support setting rate to the default
		if (!isAudioPlaybackRateEqual(rate, AUDIO_PLAYBACK_RATE_DEFAULT)) {
		return BAD_VALUE;
		}
		return OK;
		}
		virtual status_t getPlaybackSettings(AudioPlaybackRate* rate /* nonnull */) {
		*rate = AUDIO_PLAYBACK_RATE_DEFAULT;
		return OK;
		}
		virtual status_t setSyncSettings(const AVSyncSettings& sync, float /* videoFps */) {
		// By default, players only support setting sync source to default; all other sync
		// settings are ignored. There is no requirement for getters to return set values.
		if (sync.mSource != AVSYNC_SOURCE_DEFAULT) {
		return BAD_VALUE;
		}
		return OK;
		}
		virtual status_t getSyncSettings(
		AVSyncSettings* sync /* nonnull /, float videoFps /* nonnull */) {
		*sync = AVSyncSettings();
		*videoFps = -1.f;
		return OK;
		}
		virtual status_t seekTo(int msec) = 0;
		virtual status_t getCurrentPosition(int *msec) = 0;
		virtual status_t getDuration(int *msec) = 0;

include/media/mediaplayer.h

+10 −3

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		@@ -20,6 +20,8 @@
		#include <arpa/inet.h>

		#include <binder/IMemory.h>

		#include <media/AudioResamplerPublic.h>
		#include <media/IMediaPlayerClient.h>
		#include <media/IMediaPlayer.h>
		#include <media/IMediaDeathNotifier.h>
		@@ -32,8 +34,9 @@ class ANativeWindow;

		namespace android {

		class Surface;
		struct AVSyncSettings;
		class IGraphicBufferProducer;
		class Surface;

		enum media_event_type {
		MEDIA_NOP = 0, // interface test message
		@@ -223,7 +226,12 @@ public:
		status_t stop();
		status_t pause();
		bool isPlaying();
		status_t setPlaybackRate(float rate);
		status_t setPlaybackSettings(const AudioPlaybackRate& rate);
		status_t getPlaybackSettings(AudioPlaybackRate* rate /* nonnull */);
		status_t setSyncSettings(const AVSyncSettings& sync, float videoFpsHint);
		status_t getSyncSettings(
		AVSyncSettings* sync /* nonnull */,
		float* videoFps /* nonnull */);
		status_t getVideoWidth(int *w);
		status_t getVideoHeight(int *h);
		status_t seekTo(int msec);
		@@ -278,7 +286,6 @@ private:
		int mVideoWidth;
		int mVideoHeight;
		int mAudioSessionId;
		float mPlaybackRate;
		float mSendLevel;
		struct sockaddr_in mRetransmitEndpoint;
		bool mRetransmitEndpointValid;