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      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 #ifndef OPENMAX_AL_ANDROID_H_
     18 #define OPENMAX_AL_ANDROID_H_
     19 
     20 #ifdef __cplusplus
     21 extern "C" {
     22 #endif
     23 
     24 /*---------------------------------------------------------------------------*/
     25 /* Android common types                                                      */
     26 /*---------------------------------------------------------------------------*/
     27 
     28 typedef xa_int64_t             XAAint64;          /* 64 bit signed integer   */
     29 
     30 typedef xa_uint64_t            XAAuint64;         /* 64 bit unsigned integer */
     31 
     32 /*---------------------------------------------------------------------------*/
     33 /* Android common types                                                      */
     34 /*---------------------------------------------------------------------------*/
     35 
     36 #define XA_ANDROID_VIDEOCODEC_VP8            ((XAuint32) 0x00000006)
     37 
     38 #define XA_ANDROID_VIDEOPROFILE_VP8_MAIN     ((XAuint32) 0x00000001)
     39 
     40 #define XA_ANDROID_VIDEOLEVEL_VP8_VERSION0   ((XAuint32) 0x00000001)
     41 #define XA_ANDROID_VIDEOLEVEL_VP8_VERSION1   ((XAuint32) 0x00000002)
     42 #define XA_ANDROID_VIDEOLEVEL_VP8_VERSION2   ((XAuint32) 0x00000003)
     43 #define XA_ANDROID_VIDEOLEVEL_VP8_VERSION3   ((XAuint32) 0x00000004)
     44 
     45 /*---------------------------------------------------------------------------*/
     46 /* Android Buffer Queue Interface                                            */
     47 /*---------------------------------------------------------------------------*/
     48 
     49 extern XA_API const XAInterfaceID XA_IID_ANDROIDBUFFERQUEUESOURCE;
     50 
     51 struct XAAndroidBufferQueueItf_;
     52 typedef const struct XAAndroidBufferQueueItf_ * const * XAAndroidBufferQueueItf;
     53 
     54 #define XA_ANDROID_ITEMKEY_NONE             ((XAuint32) 0x00000000)
     55 #define XA_ANDROID_ITEMKEY_EOS              ((XAuint32) 0x00000001)
     56 #define XA_ANDROID_ITEMKEY_DISCONTINUITY    ((XAuint32) 0x00000002)
     57 #define XA_ANDROID_ITEMKEY_BUFFERQUEUEEVENT ((XAuint32) 0x00000003)
     58 #define XA_ANDROID_ITEMKEY_FORMAT_CHANGE    ((XAuint32) 0x00000004)
     59 
     60 // optional data for XA_ANDROID_ITEMKEY_FORMAT_CHANGE, used when only one stream changes format,
     61 //   and the others remain continuous (i.e. no temporal discontinuity is introduced for them)
     62 //   candidate for being exposed in NDK
     63 #define XA_ANDROID_FORMATCHANGE_ITEMDATA_VIDEO  ((XAuint32) 0x00000001)
     64 //   not supported at this stage, for illustration purposes only
     65 //#define XA_ANDROID_FORMATCHANGE_ITEMDATA_AUDIO ((XAuint32) 0x00000002)
     66 
     67 #define XA_ANDROIDBUFFERQUEUEEVENT_NONE        ((XAuint32) 0x00000000)
     68 #define XA_ANDROIDBUFFERQUEUEEVENT_PROCESSED   ((XAuint32) 0x00000001)
     69 #if 0   // reserved for future use
     70 #define XA_ANDROIDBUFFERQUEUEEVENT_UNREALIZED  ((XAuint32) 0x00000002)
     71 #define XA_ANDROIDBUFFERQUEUEEVENT_CLEARED     ((XAuint32) 0x00000004)
     72 #define XA_ANDROIDBUFFERQUEUEEVENT_STOPPED     ((XAuint32) 0x00000008)
     73 #define XA_ANDROIDBUFFERQUEUEEVENT_ERROR       ((XAuint32) 0x00000010)
     74 #define XA_ANDROIDBUFFERQUEUEEVENT_CONTENT_END ((XAuint32) 0x00000020)
     75 #endif
     76 
     77 typedef struct XAAndroidBufferItem_ {
     78     XAuint32 itemKey;  // identifies the item
     79     XAuint32 itemSize;
     80     XAuint8  itemData[0];
     81 } XAAndroidBufferItem;
     82 
     83 typedef XAresult (XAAPIENTRY *xaAndroidBufferQueueCallback)(
     84     XAAndroidBufferQueueItf caller,/* input */
     85     void *pCallbackContext,        /* input */
     86     void *pBufferContext,          /* input */
     87     void *pBufferData,             /* input */
     88     XAuint32 dataSize,             /* input */
     89     XAuint32 dataUsed,             /* input */
     90     const XAAndroidBufferItem *pItems,/* input */
     91     XAuint32 itemsLength           /* input */
     92 );
     93 
     94 typedef struct XAAndroidBufferQueueState_ {
     95     XAuint32    count;
     96     XAuint32    index;
     97 } XAAndroidBufferQueueState;
     98 
     99 struct XAAndroidBufferQueueItf_ {
    100     XAresult (*RegisterCallback) (
    101         XAAndroidBufferQueueItf self,
    102         xaAndroidBufferQueueCallback callback,
    103         void* pCallbackContext
    104     );
    105 
    106     XAresult (*Clear) (
    107         XAAndroidBufferQueueItf self
    108     );
    109 
    110     XAresult (*Enqueue) (
    111         XAAndroidBufferQueueItf self,
    112         void *pBufferContext,
    113         void *pData,
    114         XAuint32 dataLength,
    115         const XAAndroidBufferItem *pItems,
    116         XAuint32 itemsLength
    117     );
    118 
    119     XAresult (*GetState) (
    120         XAAndroidBufferQueueItf self,
    121         XAAndroidBufferQueueState *pState
    122     );
    123 
    124 
    125     XAresult (*SetCallbackEventsMask) (
    126             XAAndroidBufferQueueItf self,
    127             XAuint32 eventFlags
    128     );
    129 
    130     XAresult (*GetCallbackEventsMask) (
    131             XAAndroidBufferQueueItf self,
    132             XAuint32 *pEventFlags
    133     );
    134 };
    135 
    136 
    137 /*---------------------------------------------------------------------------*/
    138 /* Android Buffer Queue Data Locator                                         */
    139 /*---------------------------------------------------------------------------*/
    140 
    141 /** Addendum to Data locator macros  */
    142 #define XA_DATALOCATOR_ANDROIDBUFFERQUEUE       ((XAuint32) 0x800007BE)
    143 
    144 /** Android Buffer Queue-based data locator definition,
    145  *  locatorType must be XA_DATALOCATOR_ANDROIDBUFFERQUEUE */
    146 typedef struct XADataLocator_AndroidBufferQueue_ {
    147     XAuint32    locatorType;
    148     XAuint32    numBuffers;
    149 } XADataLocator_AndroidBufferQueue;
    150 
    151 
    152 /*---------------------------------------------------------------------------*/
    153 /* Android File Descriptor Data Locator                                      */
    154 /*---------------------------------------------------------------------------*/
    155 
    156 /** Addendum to Data locator macros  */
    157 #define XA_DATALOCATOR_ANDROIDFD                ((XAuint32) 0x800007BC)
    158 
    159 #define XA_DATALOCATOR_ANDROIDFD_USE_FILE_SIZE ((XAAint64) 0xFFFFFFFFFFFFFFFFll)
    160 
    161 /** File Descriptor-based data locator definition, locatorType must be XA_DATALOCATOR_ANDROIDFD */
    162 typedef struct XADataLocator_AndroidFD_ {
    163     XAuint32        locatorType;
    164     XAint32         fd;
    165     XAAint64        offset;
    166     XAAint64        length;
    167 } XADataLocator_AndroidFD;
    168 
    169 /**
    170  * MIME types required for data in Android Buffer Queues
    171  */
    172 #define XA_ANDROID_MIME_MP2TS              ((XAchar *) "video/mp2ts")
    173 
    174 #ifdef __cplusplus
    175 }
    176 #endif /* __cplusplus */
    177 
    178 #endif /* OPENMAX_AL_ANDROID_H_ */
    179