IRatePitch.c revision ed46c29d6a09112dbbf584c82953f63289596fd6
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/* RatePitch implementation */ 1861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 1961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten#include "sles_allinclusive.h" 2061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 21ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 2261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenstatic SLresult IRatePitch_SetRate(SLRatePitchItf self, SLpermille rate) 2361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 24ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten SL_ENTER_INTERFACE 25ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 2661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IRatePitch *this = (IRatePitch *) self; 27ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten if (!(this->mMinRate <= rate && rate <= this->mMaxRate)) { 28ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten result = SL_RESULT_PARAMETER_INVALID; 29ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten } else { 30ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten interface_lock_poke(this); 31ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten this->mRate = rate; 32ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten interface_unlock_poke(this); 33ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten result = SL_RESULT_SUCCESS; 34ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten } 35ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 36ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten SL_LEAVE_INTERFACE 3761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 3861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 39ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 4061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenstatic SLresult IRatePitch_GetRate(SLRatePitchItf self, SLpermille *pRate) 4161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 42ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten SL_ENTER_INTERFACE 43ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 44ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten if (NULL == pRate) { 45ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten result = SL_RESULT_PARAMETER_INVALID; 46ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten } else { 47ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten IRatePitch *this = (IRatePitch *) self; 48ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten interface_lock_peek(this); 49ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten SLpermille rate = this->mRate; 50ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten interface_unlock_peek(this); 51ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten *pRate = rate; 52ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten result = SL_RESULT_SUCCESS; 53ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten } 54ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 55ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten SL_LEAVE_INTERFACE 5661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 5761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 58ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 5961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenstatic SLresult IRatePitch_GetRatePitchCapabilities(SLRatePitchItf self, 6061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLpermille *pMinRate, SLpermille *pMaxRate) 6161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 62ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten SL_ENTER_INTERFACE 63ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 64d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten // per spec, each is optional, and does not require that at least one must be non-NULL 65d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten#if 0 66d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten if (NULL == pMinRate && NULL == pMaxRate) 67ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten result = SL_RESULT_PARAMETER_INVALID; 68d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten#endif 6961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IRatePitch *this = (IRatePitch *) self; 70d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten // const, so no lock required 7161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLpermille minRate = this->mMinRate; 7261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLpermille maxRate = this->mMaxRate; 73d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten if (NULL != pMinRate) 74d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten *pMinRate = minRate; 75d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten if (NULL != pMaxRate) 76d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten *pMaxRate = maxRate; 77ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten result = SL_RESULT_SUCCESS; 78ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 79ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten SL_LEAVE_INTERFACE 8061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 8161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 82ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten 8361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenstatic const struct SLRatePitchItf_ IRatePitch_Itf = { 8461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IRatePitch_SetRate, 8561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IRatePitch_GetRate, 8661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IRatePitch_GetRatePitchCapabilities 8761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten}; 8861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 8961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenvoid IRatePitch_init(void *self) 9061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 9161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IRatePitch *this = (IRatePitch *) self; 9261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten this->mItf = &IRatePitch_Itf; 93ed46c29d6a09112dbbf584c82953f63289596fd6Glenn Kasten this->mRate = 1000; 94d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten // const 950b167267bda99b68346045ccab14e810121d5de4Glenn Kasten this->mMinRate = 500; 960b167267bda99b68346045ccab14e810121d5de4Glenn Kasten this->mMaxRate = 2000; 9761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 98