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
