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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 /** \file OpenSLESUT.c OpenSL ES Utility Toolkit */
     18 
     19 #include <SLES/OpenSLES.h>
     20 #ifdef ANDROID
     21 #include <SLES/OpenSLES_Android.h>
     22 #endif
     23 #include "OpenSLESUT.h"
     24 #include <stdio.h>
     25 #include <string.h>
     26 
     27 
     28 /** \brief Maps an interface ID to its display name */
     29 
     30 typedef struct
     31 {
     32     const SLInterfaceID *iid;   ///< The interface ID
     33     const char *name;           ///< The display name
     34 } Pair;
     35 
     36 // ## is token concatenation e.g. a##b becomes ab
     37 // # is stringize operator to convert a symbol to a string constant e.g. #a becomes "a"
     38 
     39 #define _(x) { &SL_IID_##x, #x }
     40 
     41 /** \brief Array of mappings from interface IDs to display names */
     42 
     43 static Pair pairs[] = {
     44     _(3DCOMMIT),
     45     _(3DDOPPLER),
     46     _(3DGROUPING),
     47     _(3DLOCATION),
     48     _(3DMACROSCOPIC),
     49     _(3DSOURCE),
     50     _(AUDIODECODERCAPABILITIES),
     51     _(AUDIOENCODER),
     52     _(AUDIOENCODERCAPABILITIES),
     53     _(AUDIOIODEVICECAPABILITIES),
     54     _(BASSBOOST),
     55     _(BUFFERQUEUE),
     56     _(DEVICEVOLUME),
     57     _(DYNAMICINTERFACEMANAGEMENT),
     58     _(DYNAMICSOURCE),
     59     _(EFFECTSEND),
     60     _(ENGINE),
     61     _(ENGINECAPABILITIES),
     62     _(ENVIRONMENTALREVERB),
     63     _(EQUALIZER),
     64     _(LED),
     65     _(METADATAEXTRACTION),
     66     _(METADATATRAVERSAL),
     67     _(MIDIMESSAGE),
     68     _(MIDIMUTESOLO),
     69     _(MIDITEMPO),
     70     _(MIDITIME),
     71     _(MUTESOLO),
     72     _(NULL),
     73     _(OBJECT),
     74     _(OUTPUTMIX),
     75     _(PITCH),
     76     _(PLAY),
     77     _(PLAYBACKRATE),
     78     _(PREFETCHSTATUS),
     79     _(PRESETREVERB),
     80     _(RATEPITCH),
     81     _(RECORD),
     82     _(SEEK),
     83     _(THREADSYNC),
     84     _(VIBRA),
     85     _(VIRTUALIZER),
     86     _(VISUALIZATION),
     87     _(VOLUME),
     88 #if 0 // ifdef USE_OUTPUTMIXEXT
     89     _(OUTPUTMIXEXT),
     90 #endif
     91 #ifdef ANDROID
     92     _(ANDROIDEFFECT),
     93     _(ANDROIDEFFECTCAPABILITIES),
     94     _(ANDROIDEFFECTSEND),
     95     _(ANDROIDCONFIGURATION),
     96     _(ANDROIDSIMPLEBUFFERQUEUE)
     97 #endif
     98 };
     99 
    100 
    101 /** \brief Print an interface ID in human-readable format */
    102 
    103 void slesutPrintIID(SLInterfaceID iid)
    104 {
    105     Pair *p;
    106     const Pair *end = &pairs[sizeof(pairs)/sizeof(pairs[0])];
    107     for (p = pairs; p != end; ++p) {
    108         if (!memcmp(*p->iid, iid, sizeof(struct SLInterfaceID_))) {
    109             printf("SL_IID_%s = ", p->name);
    110             break;
    111         }
    112     }
    113     printf(
    114         "{ 0x%08X, 0x%04X, 0x%04X, 0x%04X, { 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X } }\n",
    115         (unsigned) iid->time_low, iid->time_mid, iid->time_hi_and_version, iid->clock_seq,
    116         iid->node[0], iid->node[1], iid->node[2], iid->node[3], iid->node[4], iid->node[5]);
    117 }
    118 
    119 
    120 /** \brief Print an array of interface IDs in human-readable format,
    121  *  including whether they are required or optional
    122  */
    123 
    124 void slesutPrintIIDs(SLInterfaceID *pInterfaceIds, SLboolean *pInterfaceRequired,
    125     unsigned numInterfaces)
    126 {
    127     unsigned i;
    128     for (i = 0; i < numInterfaces; ++i) {
    129         printf("interfaces[%u]=", i);
    130         slesutPrintIID(pInterfaceIds[i]);
    131         printf(" %s\n", (unsigned) pInterfaceRequired[i] ? "required" : "optional");
    132     }
    133 }
    134 
    135 
    136 /** \brief Convert an object ID to a string or NULL. */
    137 
    138 const char *slesutObjectIDToString(SLuint32 objectID)
    139 {
    140     static const char * const objectIDstrings[10] = {
    141         "SL_OBJECTID_ENGINE",
    142         "SL_OBJECTID_LEDDEVICE",
    143         "SL_OBJECTID_VIBRADEVICE",
    144         "SL_OBJECTID_AUDIOPLAYER",
    145         "SL_OBJECTID_AUDIORECORDER",
    146         "SL_OBJECTID_MIDIPLAYER",
    147         "SL_OBJECTID_LISTENER",
    148         "SL_OBJECTID_3DGROUP",
    149         "SL_OBJECTID_OUTPUTMIX",
    150         "SL_OBJECTID_METADATAEXTRACTOR"
    151     };
    152     return (0x1001 <= objectID) && (objectID <= 0x100A) ? objectIDstrings[objectID - 0x1001] : NULL;
    153 }
    154