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 
IAudioDecoderCapabilities_GetAudioDecoders(SLAudioDecoderCapabilitiesItf self,SLuint32 * pNumDecoders,SLuint32 * pDecoderIds)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 
IAudioDecoderCapabilities_GetAudioDecoderCapabilities(SLAudioDecoderCapabilitiesItf self,SLuint32 decoderId,SLuint32 * pIndex,SLAudioCodecDescriptor * pDescriptor)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 
IAudioDecoderCapabilities_init(void * self)65 void IAudioDecoderCapabilities_init(void *self)
66 {
67     IAudioDecoderCapabilities *thiz = (IAudioDecoderCapabilities *) self;
68     thiz->mItf = &IAudioDecoderCapabilities_Itf;
69 }
70