161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten/* 261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * Copyright (C) 2010 The Android Open Source Project 361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * 461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * Licensed under the Apache License, Version 2.0 (the "License"); 561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * you may not use this file except in compliance with the License. 661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * You may obtain a copy of the License at 761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * 861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * http://www.apache.org/licenses/LICENSE-2.0 961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * 1061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * Unless required by applicable law or agreed to in writing, software 1161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * distributed under the License is distributed on an "AS IS" BASIS, 1261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * See the License for the specific language governing permissions and 1461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * limitations under the License. 1561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten */ 1661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 1761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten/* MetadataTraversal implementation */ 1861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 1961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten#include "sles_allinclusive.h" 2061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 21ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 22d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kastenstatic SLresult IMetadataTraversal_SetMode(SLMetadataTraversalItf self, SLuint32 mode) 2361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 24ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten SL_ENTER_INTERFACE 25ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 260b167267bda99b68346045ccab14e810121d5de4Glenn Kasten switch (mode) { 270b167267bda99b68346045ccab14e810121d5de4Glenn Kasten case SL_METADATATRAVERSALMODE_ALL: 280b167267bda99b68346045ccab14e810121d5de4Glenn Kasten case SL_METADATATRAVERSALMODE_NODE: 29ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten { 30bcc5c7225e3b7a1dbf2e9e830987f69167acf06fGlenn Kasten IMetadataTraversal *thiz = (IMetadataTraversal *) self; 31bcc5c7225e3b7a1dbf2e9e830987f69167acf06fGlenn Kasten interface_lock_poke(thiz); 32bcc5c7225e3b7a1dbf2e9e830987f69167acf06fGlenn Kasten thiz->mMode = mode; 33bcc5c7225e3b7a1dbf2e9e830987f69167acf06fGlenn Kasten interface_unlock_poke(thiz); 34ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten result = SL_RESULT_SUCCESS; 35ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten } 360b167267bda99b68346045ccab14e810121d5de4Glenn Kasten break; 370b167267bda99b68346045ccab14e810121d5de4Glenn Kasten default: 38ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten result = SL_RESULT_PARAMETER_INVALID; 39ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten break; 400b167267bda99b68346045ccab14e810121d5de4Glenn Kasten } 41ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 42ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten SL_LEAVE_INTERFACE 4361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 4461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 45ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 46d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kastenstatic SLresult IMetadataTraversal_GetChildCount(SLMetadataTraversalItf self, SLuint32 *pCount) 4761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 48ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten SL_ENTER_INTERFACE 49ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 50ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten if (NULL == pCount) { 51ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten result = SL_RESULT_PARAMETER_INVALID; 52ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten } else { 53bcc5c7225e3b7a1dbf2e9e830987f69167acf06fGlenn Kasten IMetadataTraversal *thiz = (IMetadataTraversal *) self; 54bcc5c7225e3b7a1dbf2e9e830987f69167acf06fGlenn Kasten interface_lock_peek(thiz); 55bcc5c7225e3b7a1dbf2e9e830987f69167acf06fGlenn Kasten SLuint32 count = thiz->mCount; 56bcc5c7225e3b7a1dbf2e9e830987f69167acf06fGlenn Kasten interface_unlock_peek(thiz); 57ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten *pCount = count; 58ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten result = SL_RESULT_SUCCESS; 59ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten } 60ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 61ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten SL_LEAVE_INTERFACE 6261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 6361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 64ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 6561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenstatic SLresult IMetadataTraversal_GetChildMIMETypeSize( 6661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLMetadataTraversalItf self, SLuint32 index, SLuint32 *pSize) 6761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 68ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten SL_ENTER_INTERFACE 69ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 70ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten if (NULL == pSize) { 71ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten result = SL_RESULT_PARAMETER_INVALID; 72ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten } else { 73bcc5c7225e3b7a1dbf2e9e830987f69167acf06fGlenn Kasten IMetadataTraversal *thiz = (IMetadataTraversal *) self; 74bcc5c7225e3b7a1dbf2e9e830987f69167acf06fGlenn Kasten interface_lock_peek(thiz); 75bcc5c7225e3b7a1dbf2e9e830987f69167acf06fGlenn Kasten SLuint32 size = thiz->mSize; 76bcc5c7225e3b7a1dbf2e9e830987f69167acf06fGlenn Kasten interface_unlock_peek(thiz); 77ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten *pSize = size; 78ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten result = SL_RESULT_SUCCESS; 79ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten } 80ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 81ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten SL_LEAVE_INTERFACE 8261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 8361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 84ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 85d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kastenstatic SLresult IMetadataTraversal_GetChildInfo(SLMetadataTraversalItf self, SLuint32 index, 86d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten SLint32 *pNodeID, SLuint32 *pType, SLuint32 size, SLchar *pMimeType) 8761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 88ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten SL_ENTER_INTERFACE 89ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 90bcc5c7225e3b7a1dbf2e9e830987f69167acf06fGlenn Kasten //IMetadataTraversal *thiz = (IMetadataTraversal *) self; 91ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten result = SL_RESULT_FEATURE_UNSUPPORTED; 92ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 93ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten SL_LEAVE_INTERFACE 9461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 9561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 96ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 97d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kastenstatic SLresult IMetadataTraversal_SetActiveNode(SLMetadataTraversalItf self, SLuint32 index) 9861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 99ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten SL_ENTER_INTERFACE 100ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 101979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten if (SL_NODE_PARENT == index) { 1020b167267bda99b68346045ccab14e810121d5de4Glenn Kasten ; 103979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten } 104bcc5c7225e3b7a1dbf2e9e830987f69167acf06fGlenn Kasten IMetadataTraversal *thiz = (IMetadataTraversal *) self; 105bcc5c7225e3b7a1dbf2e9e830987f69167acf06fGlenn Kasten thiz->mIndex = index; 106ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten result = SL_RESULT_PARAMETER_INVALID; 107ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 108ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten SL_LEAVE_INTERFACE 10961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 11061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 111ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 11261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenstatic const struct SLMetadataTraversalItf_ IMetadataTraversal_Itf = { 11361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IMetadataTraversal_SetMode, 11461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IMetadataTraversal_GetChildCount, 11561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IMetadataTraversal_GetChildMIMETypeSize, 11661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IMetadataTraversal_GetChildInfo, 11761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IMetadataTraversal_SetActiveNode 11861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten}; 11961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 12061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenvoid IMetadataTraversal_init(void *self) 12161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 122bcc5c7225e3b7a1dbf2e9e830987f69167acf06fGlenn Kasten IMetadataTraversal *thiz = (IMetadataTraversal *) self; 123bcc5c7225e3b7a1dbf2e9e830987f69167acf06fGlenn Kasten thiz->mItf = &IMetadataTraversal_Itf; 124bcc5c7225e3b7a1dbf2e9e830987f69167acf06fGlenn Kasten thiz->mIndex = 0; 125bcc5c7225e3b7a1dbf2e9e830987f69167acf06fGlenn Kasten thiz->mMode = SL_METADATATRAVERSALMODE_NODE; 126bcc5c7225e3b7a1dbf2e9e830987f69167acf06fGlenn Kasten thiz->mCount = 0; 127bcc5c7225e3b7a1dbf2e9e830987f69167acf06fGlenn Kasten thiz->mSize = 0; 12861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 129