IPlaybackRate.c revision 61ac0ade16f84d877dfd8d0e984eb203d4a2901d
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/* PlaybackRate implementation */ 1861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 1961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten#include "sles_allinclusive.h" 2061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 2161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenstatic SLresult IPlaybackRate_SetRate(SLPlaybackRateItf self, SLpermille rate) 2261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 2361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IPlaybackRate *this = (IPlaybackRate *) self; 2461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten interface_lock_poke(this); 2561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten this->mRate = rate; 2661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten interface_unlock_poke(this); 2761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_SUCCESS; 2861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 2961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 3061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenstatic SLresult IPlaybackRate_GetRate(SLPlaybackRateItf self, SLpermille *pRate) 3161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 3261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten if (NULL == pRate) 3361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_PARAMETER_INVALID; 3461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IPlaybackRate *this = (IPlaybackRate *) self; 3561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten interface_lock_peek(this); 3661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLpermille rate = this->mRate; 3761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten interface_unlock_peek(this); 3861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten *pRate = rate; 3961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_SUCCESS; 4061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 4161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 4261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenstatic SLresult IPlaybackRate_SetPropertyConstraints(SLPlaybackRateItf self, 4361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLuint32 constraints) 4461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 4561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IPlaybackRate *this = (IPlaybackRate *) self; 4661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten // FIXME are properties and property constraints the same thing? 4761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten this->mProperties = constraints; 4861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_SUCCESS; 4961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 5061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 5161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenstatic SLresult IPlaybackRate_GetProperties(SLPlaybackRateItf self, 5261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLuint32 *pProperties) 5361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 5461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten if (NULL == pProperties) 5561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_PARAMETER_INVALID; 5661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IPlaybackRate *this = (IPlaybackRate *) self; 5761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLuint32 properties = this->mProperties; 5861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten *pProperties = properties; 5961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_SUCCESS; 6061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 6161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 6261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenstatic SLresult IPlaybackRate_GetCapabilitiesOfRate(SLPlaybackRateItf self, 6361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLpermille rate, SLuint32 *pCapabilities) 6461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 6561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten if (NULL == pCapabilities) 6661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_PARAMETER_INVALID; 6761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten // IPlaybackRate *this = (IPlaybackRate *) self; 6861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLuint32 capabilities = 0; // FIXME 6961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten *pCapabilities = capabilities; 7061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_SUCCESS; 7161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 7261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 7361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenstatic SLresult IPlaybackRate_GetRateRange(SLPlaybackRateItf self, SLuint8 index, 7461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLpermille *pMinRate, SLpermille *pMaxRate, SLpermille *pStepSize, 7561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLuint32 *pCapabilities) 7661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 7761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten if (NULL == pMinRate || NULL == pMaxRate || NULL == pStepSize || NULL == pCapabilities) 7861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_PARAMETER_INVALID; 7961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IPlaybackRate *this = (IPlaybackRate *) self; 8061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten interface_lock_shared(this); 8161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLpermille minRate = this->mMinRate; 8261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLpermille maxRate = this->mMaxRate; 8361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLpermille stepSize = this->mStepSize; 8461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLuint32 capabilities = this->mCapabilities; 8561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten interface_unlock_shared(this); 8661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten *pMinRate = minRate; 8761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten *pMaxRate = maxRate; 8861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten *pStepSize = stepSize; 8961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten *pCapabilities = capabilities; 9061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_SUCCESS; 9161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 9261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 9361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenstatic const struct SLPlaybackRateItf_ IPlaybackRate_Itf = { 9461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IPlaybackRate_SetRate, 9561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IPlaybackRate_GetRate, 9661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IPlaybackRate_SetPropertyConstraints, 9761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IPlaybackRate_GetProperties, 9861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IPlaybackRate_GetCapabilitiesOfRate, 9961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IPlaybackRate_GetRateRange 10061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten}; 10161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 10261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenvoid IPlaybackRate_init(void *self) 10361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 10461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IPlaybackRate *this = (IPlaybackRate *) self; 10561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten this->mItf = &IPlaybackRate_Itf; 10661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 107