1 /* 2 * Copyright (C) 2018 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 #ifndef ANDROID_C2_SOFT_VORBIS_DEC_H_ 18 #define ANDROID_C2_SOFT_VORBIS_DEC_H_ 19 20 #include <SimpleC2Component.h> 21 #include <util/C2InterfaceHelper.h> 22 23 24 struct vorbis_dsp_state; 25 struct vorbis_info; 26 27 namespace android { 28 29 struct C2SoftVorbisDec : public SimpleC2Component { 30 class IntfImpl; 31 32 C2SoftVorbisDec(const char *name, c2_node_id_t id, 33 const std::shared_ptr<IntfImpl> &intfImpl); 34 C2SoftVorbisDec(const char *name, c2_node_id_t id, 35 const std::shared_ptr<C2ReflectorHelper> &helper); 36 virtual ~C2SoftVorbisDec(); 37 38 // From SimpleC2Component 39 c2_status_t onInit() override; 40 c2_status_t onStop() override; 41 void onReset() override; 42 void onRelease() override; 43 c2_status_t onFlush_sm() override; 44 void process( 45 const std::unique_ptr<C2Work> &work, 46 const std::shared_ptr<C2BlockPool> &pool) override; 47 c2_status_t drain( 48 uint32_t drainMode, 49 const std::shared_ptr<C2BlockPool> &pool) override; 50 51 private: 52 enum { 53 kMaxNumSamplesPerChannel = 8192, 54 }; 55 56 std::shared_ptr<IntfImpl> mIntf; 57 vorbis_dsp_state *mState; 58 vorbis_info *mVi; 59 60 int32_t mNumFramesLeftOnPage; 61 bool mSignalledError; 62 bool mSignalledOutputEos; 63 bool mInfoUnpacked; 64 bool mBooksUnpacked; 65 status_t initDecoder(); 66 67 C2_DO_NOT_COPY(C2SoftVorbisDec); 68 }; 69 70 } // namespace android 71 72 #endif // ANDROID_C2_SOFT_VORBIS_DEC_H_ 73 74