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