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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 /* AudioDecoderCapabilities implementation */
     18 
     19 #include "sles_allinclusive.h"
     20 
     21 
     22 static SLresult IAudioDecoderCapabilities_GetAudioDecoders(SLAudioDecoderCapabilitiesItf self,
     23     SLuint32 *pNumDecoders, SLuint32 *pDecoderIds)
     24 {
     25     SL_ENTER_INTERFACE
     26 
     27     if (NULL == pNumDecoders) {
     28         result = SL_RESULT_PARAMETER_INVALID;
     29     } else {
     30         result = SL_RESULT_SUCCESS;
     31         if (NULL != pDecoderIds) {
     32             SLuint32 numDecoders = *pNumDecoders;
     33             if (numDecoders > MAX_DECODERS) {
     34                 numDecoders = MAX_DECODERS;
     35             } else if (numDecoders < MAX_DECODERS) {
     36                 // FIXME starting in 1.1 this will be SL_RESULT_BUFFER_INSUFFICIENT
     37                 result = SL_RESULT_PARAMETER_INVALID;
     38             }
     39             memcpy(pDecoderIds, Decoder_IDs, numDecoders * sizeof(SLuint32));
     40         }
     41         *pNumDecoders = MAX_DECODERS;
     42     }
     43 
     44     SL_LEAVE_INTERFACE
     45 }
     46 
     47 
     48 static SLresult IAudioDecoderCapabilities_GetAudioDecoderCapabilities(
     49     SLAudioDecoderCapabilitiesItf self, SLuint32 decoderId, SLuint32 *pIndex,
     50     SLAudioCodecDescriptor *pDescriptor)
     51 {
     52     SL_ENTER_INTERFACE
     53 
     54     result = GetCodecCapabilities(decoderId, pIndex, pDescriptor, DecoderDescriptors);
     55 
     56     SL_LEAVE_INTERFACE
     57 }
     58 
     59 
     60 static const struct SLAudioDecoderCapabilitiesItf_ IAudioDecoderCapabilities_Itf = {
     61     IAudioDecoderCapabilities_GetAudioDecoders,
     62     IAudioDecoderCapabilities_GetAudioDecoderCapabilities
     63 };
     64 
     65 void IAudioDecoderCapabilities_init(void *self)
     66 {
     67     IAudioDecoderCapabilities *thiz = (IAudioDecoderCapabilities *) self;
     68     thiz->mItf = &IAudioDecoderCapabilities_Itf;
     69 }
     70