IPlaybackRate.cpp revision d2a7f0d6883a6d3835642e7b282f05ed1c54fe63
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; 24d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten // const, so no lock needed 25d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten if (!(this->mMinRate <= rate && rate <= this->mMaxRate)) 26d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 2761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten interface_lock_poke(this); 2861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten this->mRate = rate; 2961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten interface_unlock_poke(this); 30497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi#ifdef USE_ANDROID 31497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi return sles_to_android_audioPlayerSetPlayRate(this, rate); 32497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi#endif 3361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_SUCCESS; 3461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 3561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 3661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenstatic SLresult IPlaybackRate_GetRate(SLPlaybackRateItf self, SLpermille *pRate) 3761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 38497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi if (NULL == pRate) { 3961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_PARAMETER_INVALID; 40497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi } 4161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IPlaybackRate *this = (IPlaybackRate *) self; 4261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten interface_lock_peek(this); 4361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLpermille rate = this->mRate; 4461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten interface_unlock_peek(this); 4561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten *pRate = rate; 4661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_SUCCESS; 4761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 4861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 49d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kastenstatic SLresult IPlaybackRate_SetPropertyConstraints(SLPlaybackRateItf self, SLuint32 constraints) 5061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 5161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IPlaybackRate *this = (IPlaybackRate *) self; 52497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi SLresult result = SL_RESULT_SUCCESS; 5361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten this->mProperties = constraints; 54497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi#ifdef USE_ANDROID 55497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi // verify property support before storing 56497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi result = sles_to_android_audioPlayerSetPlaybackRateBehavior(this, constraints); 57497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi#endif 58497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi interface_lock_poke(this); 59497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi if (result == SL_RESULT_SUCCESS) { 60497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi this->mProperties = constraints; 61497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi } 62497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi interface_unlock_poke(this); 63497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi return result; 6461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 6561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 66d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kastenstatic SLresult IPlaybackRate_GetProperties(SLPlaybackRateItf self, SLuint32 *pProperties) 6761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 68497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi if (NULL == pProperties) { 6961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_PARAMETER_INVALID; 70497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi } 7161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IPlaybackRate *this = (IPlaybackRate *) self; 72497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi interface_lock_peek(this); 7361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLuint32 properties = this->mProperties; 74497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi interface_unlock_peek(this); 7561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten *pProperties = properties; 7661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_SUCCESS; 7761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 7861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 7961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenstatic SLresult IPlaybackRate_GetCapabilitiesOfRate(SLPlaybackRateItf self, 8061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLpermille rate, SLuint32 *pCapabilities) 8161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 82497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi if (NULL == pCapabilities) { 8361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_PARAMETER_INVALID; 84497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi } 85497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi IPlaybackRate *this = (IPlaybackRate *) self; 86d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten // const, so no lock needed 87d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten if (!(this->mMinRate <= rate && rate <= this->mMaxRate)) 88d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 89497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi SLuint32 capabilities = 0; 90497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi#ifdef USE_ANDROID 91497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi sles_to_android_audioPlayerGetCapabilitiesOfRate(this, &capabilities); 92d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten#else 93d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten capabilities = this->mCapabilities; 94497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi#endif 9561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten *pCapabilities = capabilities; 9661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_SUCCESS; 9761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 9861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 9961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenstatic SLresult IPlaybackRate_GetRateRange(SLPlaybackRateItf self, SLuint8 index, 100d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten SLpermille *pMinRate, SLpermille *pMaxRate, SLpermille *pStepSize, SLuint32 *pCapabilities) 10161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 10261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten if (NULL == pMinRate || NULL == pMaxRate || NULL == pStepSize || NULL == pCapabilities) 10361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_PARAMETER_INVALID; 104d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten // only one range 105d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten if (0 < index) 106d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 10761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IPlaybackRate *this = (IPlaybackRate *) self; 10861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten interface_lock_shared(this); 10961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLpermille minRate = this->mMinRate; 11061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLpermille maxRate = this->mMaxRate; 11161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLpermille stepSize = this->mStepSize; 11261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLuint32 capabilities = this->mCapabilities; 11361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten interface_unlock_shared(this); 11461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten *pMinRate = minRate; 11561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten *pMaxRate = maxRate; 11661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten *pStepSize = stepSize; 11761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten *pCapabilities = capabilities; 11861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_SUCCESS; 11961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 12061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 12161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenstatic const struct SLPlaybackRateItf_ IPlaybackRate_Itf = { 12261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IPlaybackRate_SetRate, 12361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IPlaybackRate_GetRate, 12461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IPlaybackRate_SetPropertyConstraints, 12561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IPlaybackRate_GetProperties, 12661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IPlaybackRate_GetCapabilitiesOfRate, 12761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IPlaybackRate_GetRateRange 12861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten}; 12961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 13061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenvoid IPlaybackRate_init(void *self) 13161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 13261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IPlaybackRate *this = (IPlaybackRate *) self; 13361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten this->mItf = &IPlaybackRate_Itf; 134d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten this->mProperties = SL_RATEPROP_NOPITCHCORAUDIO; 1350b167267bda99b68346045ccab14e810121d5de4Glenn Kasten this->mRate = 1000; 136d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten // const 1370b167267bda99b68346045ccab14e810121d5de4Glenn Kasten this->mMinRate = 500; 1380b167267bda99b68346045ccab14e810121d5de4Glenn Kasten this->mMaxRate = 2000; 139d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten this->mStepSize = 0; 140497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi#ifdef USE_ANDROID 141497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi this->mStepSize = 0; 142497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi // for an AudioPlayer, mCapabilities will be initialized in sles_to_android_audioPlayerCreate 143497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi#endif 144d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten // The generic implementation sets no capabilities because the generic 145d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten // implementation alone doesn't support any. 146497c71251661f9096f77d0a9bc08fe7a5eb49079Jean-Michel Trivi this->mCapabilities = 0; 147d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten // SL_RATEPROP_SILENTAUDIO | SL_RATEPROP_STAGGEREDAUDIO | SL_RATEPROP_NOPITCHCORAUDIO | SL_RATEPROP_PITCHCORAUDIO 14861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 149