diff options
Diffstat (limited to 'media/libstagefright/codecs/g711/dec/SoftG711.h')
-rw-r--r-- | media/libstagefright/codecs/g711/dec/SoftG711.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/g711/dec/SoftG711.h b/media/libstagefright/codecs/g711/dec/SoftG711.h new file mode 100644 index 0000000..bff0c68 --- /dev/null +++ b/media/libstagefright/codecs/g711/dec/SoftG711.h @@ -0,0 +1,63 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef SOFT_G711_H_ + +#define SOFT_G711_H_ + +#include "SimpleSoftOMXComponent.h" + +namespace android { + +struct SoftG711 : public SimpleSoftOMXComponent { + SoftG711(const char *name, + const OMX_CALLBACKTYPE *callbacks, + OMX_PTR appData, + OMX_COMPONENTTYPE **component); + +protected: + virtual ~SoftG711(); + + virtual OMX_ERRORTYPE internalGetParameter( + OMX_INDEXTYPE index, OMX_PTR params); + + virtual OMX_ERRORTYPE internalSetParameter( + OMX_INDEXTYPE index, const OMX_PTR params); + + virtual void onQueueFilled(OMX_U32 portIndex); + +private: + enum { + kNumBuffers = 4, + kMaxNumSamplesPerFrame = 16384, + }; + + bool mIsMLaw; + OMX_U32 mNumChannels; + bool mSignalledError; + + void initPorts(); + + static void DecodeALaw(int16_t *out, const uint8_t *in, size_t inSize); + static void DecodeMLaw(int16_t *out, const uint8_t *in, size_t inSize); + + DISALLOW_EVIL_CONSTRUCTORS(SoftG711); +}; + +} // namespace android + +#endif // SOFT_G711_H_ + |