sles_allinclusive.h revision 92b245bf8828db9e469febebbe8774c00570b5b9 
1/*
2 * Copyright (C) 2010 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
17/** \file sles_allinclusive.h Everything including the kitchen sink */
18
19#include "SLES/OpenSLES.h"
20#include "OMXAL/OpenMAXAL.h"
21#ifdef ANDROID
22#include "SLES/OpenSLES_Android.h"
23#include "OMXAL/OpenMAXAL_Android.h"
24#endif
25#include <stddef.h> // offsetof
26#include <stdlib.h> // malloc
27#include <string.h> // memcmp
28#include <strings.h>
29#include <stdio.h>  // debugging
30#include <assert.h> // debugging
31#include <pthread.h>
32#include <unistd.h> // usleep
33#include <errno.h>
34
35#ifndef __cplusplus
36typedef int bool;
37#ifndef false
38#define false 0
39#endif
40#ifndef true
41#define true 1
42#endif
43#endif
44
45// The OpenSLES.h definitions of SL_PROFILES_... have casts, so are unusable by preprocessor
46#define USE_PROFILES_PHONE    0x1   // == SL_PROFILES_PHONE
47#define USE_PROFILES_MUSIC    0x2   // == SL_PROFILES_MUSIC
48#define USE_PROFILES_GAME     0x4   // == SL_PROFILES_GAME
49// Pseudo profiles, used to decide whether to include code for incomplete or untested features
50// Features that are not in union of all profiles: audio recorder, LED, Vibra
51#define USE_PROFILES_OPTIONAL 0x8
52// Features that are in the intersection of all profiles:
53// object priorities, preemption, loss of control, device configuration
54#define USE_PROFILES_BASE     0x10
55
56#include "MPH.h"
57#include "MPH_to.h"
58#include "devices.h"
59#include "ut/OpenSLESUT.h"
60#include "ThreadPool.h"
61
62typedef struct CEngine_struct CEngine;
63typedef struct CAudioPlayer_struct CAudioPlayer;
64typedef struct CAudioRecorder_struct CAudioRecorder;
65typedef struct C3DGroup_struct C3DGroup;
66typedef struct COutputMix_struct COutputMix;
67
68#ifdef USE_SNDFILE
69#include <sndfile.h>
70#include "desktop/SLSndFile.h"
71#endif // USE_SNDFILE
72
73#ifdef USE_SDL
74#include <SDL/SDL_audio.h>
75#endif // USE_SDL
76
77#define STEREO_CHANNELS 2
78
79#ifdef ANDROID
80#include <utils/Log.h>
81#include <utils/KeyedVector.h>
82#include "SLES/OpenSLES_AndroidConfiguration.h"
83#include "media/AudioSystem.h"
84#include "media/mediarecorder.h"
85#include "media/AudioRecord.h"
86#include "media/AudioTrack.h"
87#include "media/mediaplayer.h"
88#include <utils/String8.h>
89#define ANDROID_SL_MILLIBEL_MAX 0
90#include "android/android_sles_conversions.h"
91#include "android/android_defs.h"
92#endif
93
94#ifdef USE_OUTPUTMIXEXT
95#include "desktop/OutputMixExt.h"
96#endif
97
98#include "sllog.h"
99
100typedef enum {
101    predestroy_error,   // Application should not be calling destroy now
102    predestroy_ok,      // OK to destroy object now
103    predestroy_again    // Application did nothing wrong, but should destroy again to be effective
104} predestroy_t;
105
106// Hook functions
107
108typedef void (*VoidHook)(void *self);
109//typedef SLresult (*ResultHook)(void *self);
110typedef SLresult (*AsyncHook)(void *self, SLboolean async);
111typedef bool (*BoolHook)(void *self);
112typedef predestroy_t (*PreDestroyHook)(void *self);
113
114// Describes how an interface is related to a given class, used in iid_vtable::mInterface
115
116#define INTERFACE_IMPLICIT            0 // no need for application to request prior to GetInterface
117#define INTERFACE_EXPLICIT            1 // must be requested explicitly during object creation
118#define INTERFACE_DYNAMIC             2 // can be requested after object creation
119#define INTERFACE_UNAVAILABLE         3 // this interface is not available on objects of this class
120#define INTERFACE_IMPLICIT_PREREALIZE 4 // implicit, and can call GetInterface before Realize
121#define INTERFACE_EXPLICIT_PREREALIZE 5 // explicit, and can call GetInterface before Realize
122// 6 and 7 are reserved for the meaningless DYNAMIC_PREREALIZE and UNAVAILABLE_PREREALIZE
123// note that INTERFACE_OPTIONAL is always re-mapped to one of the above
124#define INTERFACE_PREREALIZE          4 // bit-mask to test for calling GetInterface before Realize
125
126// Profile-specific interfaces
127
128#if USE_PROFILES & USE_PROFILES_BASE
129#define INTERFACE_IMPLICIT_BASE       INTERFACE_IMPLICIT
130#define INTERFACE_EXPLICIT_BASE       INTERFACE_EXPLICIT
131#else
132#define INTERFACE_IMPLICIT_BASE       INTERFACE_UNAVAILABLE
133#define INTERFACE_EXPLICIT_BASE       INTERFACE_UNAVAILABLE
134#endif
135
136#if USE_PROFILES & USE_PROFILES_GAME
137#define INTERFACE_DYNAMIC_GAME        INTERFACE_DYNAMIC
138#define INTERFACE_EXPLICIT_GAME       INTERFACE_EXPLICIT
139#else
140#define INTERFACE_DYNAMIC_GAME        INTERFACE_OPTIONAL
141#define INTERFACE_EXPLICIT_GAME       INTERFACE_OPTIONAL
142#endif
143
144#if USE_PROFILES & USE_PROFILES_MUSIC
145#define INTERFACE_DYNAMIC_MUSIC       INTERFACE_DYNAMIC
146#else
147#define INTERFACE_DYNAMIC_MUSIC       INTERFACE_OPTIONAL
148#endif
149
150#if USE_PROFILES & (USE_PROFILES_GAME | USE_PROFILES_MUSIC)
151#define INTERFACE_DYNAMIC_GAME_MUSIC  INTERFACE_DYNAMIC
152#define INTERFACE_EXPLICIT_GAME_MUSIC INTERFACE_EXPLICIT
153#else
154#define INTERFACE_DYNAMIC_GAME_MUSIC  INTERFACE_OPTIONAL
155#define INTERFACE_EXPLICIT_GAME_MUSIC INTERFACE_OPTIONAL
156#endif
157
158#if USE_PROFILES & (USE_PROFILES_GAME | USE_PROFILES_PHONE)
159#define INTERFACE_EXPLICIT_GAME_PHONE INTERFACE_EXPLICIT
160#else
161#define INTERFACE_EXPLICIT_GAME_PHONE INTERFACE_OPTIONAL
162#endif
163
164#if USE_PROFILES & USE_PROFILES_OPTIONAL
165#define INTERFACE_OPTIONAL            INTERFACE_EXPLICIT
166#define INTERFACE_DYNAMIC_OPTIONAL    INTERFACE_DYNAMIC
167#else
168#define INTERFACE_OPTIONAL            INTERFACE_UNAVAILABLE
169#define INTERFACE_DYNAMIC_OPTIONAL    INTERFACE_UNAVAILABLE
170#endif
171
172// Describes how an interface is related to a given object
173
174#define INTERFACE_UNINITIALIZED 0  ///< not available
175#define INTERFACE_INITIALIZED   1  ///< not requested at object creation time
176#define INTERFACE_EXPOSED       2  ///< requested at object creation time
177#define INTERFACE_ADDING_1      3  ///< part 1 of asynchronous AddInterface, pending
178#define INTERFACE_ADDING_2      4  ///< synchronous AddInterface, or part 2 of asynchronous
179#define INTERFACE_ADDED         5  ///< AddInterface has completed
180#define INTERFACE_REMOVING      6  ///< unlocked phase of (synchronous) RemoveInterface
181#define INTERFACE_SUSPENDING    7  ///< suspend in progress
182#define INTERFACE_SUSPENDED     8  ///< suspend has completed
183#define INTERFACE_RESUMING_1    9  ///< part 1 of asynchronous ResumeInterface, pending
184#define INTERFACE_RESUMING_2   10  ///< synchronous ResumeInterface, or part 2 of asynchronous
185#define INTERFACE_ADDING_1A    11  ///< part 1 of asynchronous AddInterface, aborted
186#define INTERFACE_RESUMING_1A  12  ///< part 1 of asynchronous ResumeInterface, aborted
187
188
189// Maps an interface ID to its offset within the class that exposes it
190
191struct iid_vtable {
192    unsigned char mMPH;         // primary MPH for this interface, does not include any aliases
193    unsigned char mInterface;   // relationship of interface to this class
194    /*size_t*/ unsigned short mOffset;
195};
196
197// Per-class const data shared by all instances of the same class
198
199typedef struct {
200    const struct iid_vtable *mInterfaces;   // maps interface index to info about that interface
201    SLuint32 mInterfaceCount;  // number of possible interfaces
202    const signed char *mMPH_to_index;
203    const char * const mName;
204    size_t mSize;
205    // OpenSL ES and OpenMAX AL object IDs come from different ranges, and some objects such as
206    // Engine, Output Mix, LED, and Vibra belong to both APIs, so we keep both object IDs
207    SLuint16 mSLObjectID;   // OpenSL ES object ID
208    XAuint16 mXAObjectID;   // OpenMAX AL object ID
209    // hooks
210    AsyncHook mRealize;
211    AsyncHook mResume;
212    VoidHook mDestroy;
213    PreDestroyHook mPreDestroy;
214} ClassTable;
215
216// BufferHeader describes each element of a BufferQueue, other than the data
217typedef struct {
218    const void *mBuffer;
219    SLuint32 mSize;
220} BufferHeader;
221
222#ifdef ANDROID
223// Holds information about all commands that can be passed alongside an MPEG-2 TS buffer
224// Is used with buffers of type kAndroidBufferTypeMpeg2Ts
225typedef struct {
226    SLuint32 mTsCmdCode;
227    SLAuint64 mPts;
228} Mpeg2TsCommands;
229
230// Union of the different structures to hold items stored in an AdvancedBufferHeader
231//   when an item comes from an AndroidBufferQueue as the data source, it's a command
232//   when an item is output to an AndroidBufferQueue as the data sink, it's a message (or metadata)
233typedef union {
234    Mpeg2TsCommands mTsCmdData;
235} AdvancedBufferItems;
236
237// AdvancedBufferHeader describes each element of an AndroidBufferQueue, other than the data
238//  and associated messages
239typedef struct {
240    const void *mDataBuffer;
241    SLuint32 mDataSize;
242    SLuint32 mDataSizeConsumed;
243    AdvancedBufferItems mItems;
244    const void *mBufferContext;
245    SLuint32 mBufferState;
246} AdvancedBufferHeader;
247#endif
248
249#ifdef USE_SNDFILE
250
251#define SndFile_BUFSIZE 512     // in 16-bit samples
252#define SndFile_NUMBUFS 2
253
254struct SndFile {
255    // save URI also?
256    SLchar *mPathname;
257    SNDFILE *mSNDFILE;
258    SF_INFO mSfInfo;
259    pthread_mutex_t mMutex; // protects mSNDFILE only
260    SLboolean mEOF;         // sf_read returned zero sample frames
261    SLuint32 mWhich;        // which buffer to use next
262    short mBuffer[SndFile_BUFSIZE * SndFile_NUMBUFS];
263};
264
265#endif // USE_SNDFILE
266
267#include "data.h"
268#include "itfstruct.h"
269#include "classes.h"
270
271struct MPH_init {
272    VoidHook mInit;     // called first to initialize the interface, right after object is allocated
273    // Each interface is initialized regardless whether it is exposed to application.
274    VoidHook mResume;   // called to resume interface after suspension, not currently used
275    VoidHook mDeinit;   // called last when object is about to be destroyed
276    BoolHook mExpose;   // called after initialization, only if interface is exposed to application
277    VoidHook mRemove;   // called by DynamicInterfaceManager::RemoveInterface, and prior to mDeinit
278    // will need a suspend hook when suspend is implemented
279};
280
281extern /*static*/ int IID_to_MPH(const SLInterfaceID iid);
282extern /*static*/ const struct MPH_init MPH_init_table[MPH_MAX];
283extern SLresult checkInterfaces(const ClassTable *clazz,
284    SLuint32 numInterfaces, const SLInterfaceID *pInterfaceIds,
285    const SLboolean *pInterfaceRequired, unsigned *pExposedMask);
286extern IObject *construct(const ClassTable *clazz,
287    unsigned exposedMask, SLEngineItf engine);
288extern const ClassTable *objectIDtoClass(SLuint32 objectID);
289extern const struct SLInterfaceID_ SL_IID_array[MPH_MAX];
290extern SLuint32 IObjectToObjectID(IObject *object);
291extern void IObject_Publish(IObject *thiz);
292extern void IObject_Destroy(SLObjectItf self);
293
294// Map an interface to it's "object ID" (which is really a class ID).
295// Note: this operation is undefined on IObject, as it lacks an mThis.
296// If you have an IObject, then use IObjectToObjectID directly.
297
298#define InterfaceToObjectID(thiz) IObjectToObjectID((thiz)->mThis)
299
300// Map an interface to it's corresponding IObject.
301// Note: this operation is undefined on IObject, as it lacks an mThis.
302// If you have an IObject, then you're done -- you already have what you need.
303
304#define InterfaceToIObject(thiz) ((thiz)->mThis)
305
306#define InterfaceToCAudioPlayer(thiz) (((CAudioPlayer*)InterfaceToIObject(thiz)))
307
308#define InterfaceToCAudioRecorder(thiz) (((CAudioRecorder*)InterfaceToIObject(thiz)))
309
310#define InterfaceToCMediaPlayer(thiz) (((CMediaPlayer*)InterfaceToIObject(thiz)))
311
312#ifdef ANDROID
313#include "android/MediaPlayer_to_android.h"
314#include "android/OutputMix_to_android.h"
315#include "android/AudioPlayer_to_android.h"
316#include "android/AudioRecorder_to_android.h"
317#endif
318
319extern predestroy_t C3DGroup_PreDestroy(void *self);
320
321extern SLresult CAudioPlayer_Realize(void *self, SLboolean async);
322extern SLresult CAudioPlayer_Resume(void *self, SLboolean async);
323extern void CAudioPlayer_Destroy(void *self);
324extern predestroy_t CAudioPlayer_PreDestroy(void *self);
325
326extern SLresult CAudioRecorder_Realize(void *self, SLboolean async);
327extern SLresult CAudioRecorder_Resume(void *self, SLboolean async);
328extern void CAudioRecorder_Destroy(void *self);
329extern predestroy_t CAudioRecorder_PreDestroy(void *self);
330
331extern SLresult CEngine_Realize(void *self, SLboolean async);
332extern SLresult CEngine_Resume(void *self, SLboolean async);
333extern void CEngine_Destroy(void *self);
334extern predestroy_t CEngine_PreDestroy(void *self);
335extern void CEngine_Destroyed(CEngine *self);
336
337extern SLresult COutputMix_Realize(void *self, SLboolean async);
338extern SLresult COutputMix_Resume(void *self, SLboolean async);
339extern void COutputMix_Destroy(void *self);
340extern predestroy_t COutputMix_PreDestroy(void *self);
341
342extern SLresult CMediaPlayer_Realize(void *self, SLboolean async);
343extern SLresult CMediaPlayer_Resume(void *self, SLboolean async);
344extern void CMediaPlayer_Destroy(void *self);
345extern predestroy_t CMediaPlayer_PreDestroy(void *self);
346
347#ifdef USE_SDL
348extern void SDL_open(IEngine *thisEngine);
349extern void SDL_close(void);
350#endif
351#define SL_OBJECT_STATE_REALIZING_1  ((SLuint32) 0x4) // async realize on work queue
352#define SL_OBJECT_STATE_REALIZING_2  ((SLuint32) 0x5) // sync realize, or async realize hook
353#define SL_OBJECT_STATE_RESUMING_1   ((SLuint32) 0x6) // async resume on work queue
354#define SL_OBJECT_STATE_RESUMING_2   ((SLuint32) 0x7) // sync resume, or async resume hook
355#define SL_OBJECT_STATE_SUSPENDING   ((SLuint32) 0x8) // suspend in progress
356#define SL_OBJECT_STATE_REALIZING_1A ((SLuint32) 0x9) // abort while async realize on work queue
357#define SL_OBJECT_STATE_RESUMING_1A  ((SLuint32) 0xA) // abort while async resume on work queue
358#define SL_OBJECT_STATE_DESTROYING   ((SLuint32) 0xB) // destroy object when no strong references
359#ifndef ANDROID
360extern void *sync_start(void *arg);
361#endif
362extern SLresult err_to_result(int err);
363
364#ifdef __GNUC__
365#define ctz __builtin_ctz
366#else
367extern unsigned ctz(unsigned);
368#endif
369extern const char * const interface_names[MPH_MAX];
370#include "platform.h"
371
372// Attributes
373
374#define ATTR_NONE       ((unsigned) 0x0)      // none
375#define ATTR_GAIN       ((unsigned) 0x1 << 0) // player volume, channel mute, channel solo,
376                                              // player stereo position, player mute
377#define ATTR_TRANSPORT   ((unsigned) 0x1 << 1) // play state, looping
378#define ATTR_POSITION    ((unsigned) 0x1 << 2) // requested position (a.k.a. seek position)
379#define ATTR_BQ_ENQUEUE  ((unsigned) 0x1 << 3) // buffer queue became non-empty and in playing state
380#define ATTR_ABQ_ENQUEUE ((unsigned) 0x1 << 4) // Android buffer queue became non-empty and
381                                               //     in playing state
382
383#include "trace.h"
384
385#ifdef USE_SNDFILE
386extern void audioPlayerTransportUpdate(CAudioPlayer *audioPlayer);
387#endif
388
389extern SLresult IBufferQueue_Enqueue(SLBufferQueueItf self, const void *pBuffer, SLuint32 size);
390extern SLresult IBufferQueue_Clear(SLBufferQueueItf self);
391extern SLresult IBufferQueue_RegisterCallback(SLBufferQueueItf self,
392    slBufferQueueCallback callback, void *pContext);
393
394extern bool IsInterfaceInitialized(IObject *thiz, unsigned MPH);
395extern SLresult AcquireStrongRef(IObject *object, SLuint32 expectedObjectID);
396extern void ReleaseStrongRef(IObject *object);
397extern void ReleaseStrongRefAndUnlockExclusive(IObject *object);
398
399extern COutputMix *CAudioPlayer_GetOutputMix(CAudioPlayer *audioPlayer);
400extern SLresult IEngineCapabilities_QueryLEDCapabilities(SLEngineCapabilitiesItf self,
401    SLuint32 *pIndex, SLuint32 *pLEDDeviceID, SLLEDDescriptor *pDescriptor);
402extern SLresult IEngineCapabilities_QueryVibraCapabilities(SLEngineCapabilitiesItf self,
403    SLuint32 *pIndex, SLuint32 *pVibraDeviceID, SLVibraDescriptor *pDescriptor);
404
405extern CEngine *theOneTrueEngine;
406extern pthread_mutex_t theOneTrueMutex;
407extern unsigned theOneTrueRefCount;
408
409extern LI_API SLresult liCreateEngine(SLObjectItf *pEngine, SLuint32 numOptions,
410    const SLEngineOption *pEngineOptions, SLuint32 numInterfaces,
411    const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired,
412    const ClassTable *pCEngine_class);
413extern LI_API SLresult liQueryNumSupportedInterfaces(SLuint32 *pNumSupportedInterfaces,
414        const ClassTable *clazz);
415extern LI_API SLresult liQuerySupportedInterfaces(SLuint32 index, SLInterfaceID *pInterfaceId,
416        const ClassTable *clazz);
417