xbmc/cores/AudioEngine/Encoders/AEEncoderFFmpeg.h

   1 /*
   2  *  Copyright (C) 2010-2018 Team Kodi
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #pragma once
  10
  11 #include "cores/AudioEngine/Interfaces/AEEncoder.h"
  12
  13 extern "C" {
  14 #include <libswresample/swresample.h>
  15 }
  16
  17 /* ffmpeg re-defines this, so undef it to squash the warning */
  18 #undef restrict
  19
  20 class CAEEncoderFFmpeg: public IAEEncoder
  21 {
  22 public:
  23   CAEEncoderFFmpeg();
  24   ~CAEEncoderFFmpeg() override;
  25
  26   bool IsCompatible(const AEAudioFormat& format) override;
  27   bool Initialize(AEAudioFormat &format, bool allow_planar_input = false) override;
  28   void Reset() override;
  29
  30   unsigned int GetBitRate() override;
  31   AVCodecID GetCodecID() override;
  32   unsigned int GetFrames() override;
  33
  34   int Encode(uint8_t *in, int in_size, uint8_t *out, int out_size) override;
  35   int GetData(uint8_t **data) override;
  36   double GetDelay(unsigned int bufferSize) override;
  37 private:
  38   unsigned int BuildChannelLayout(const int64_t ffmap, CAEChannelInfo& layout);
  39
  40   std::string m_CodecName;
  41   AVCodecID m_CodecID;
  42   unsigned int m_BitRate = 0;
  43   AEAudioFormat m_CurrentFormat;
  44   AVCodecContext *m_CodecCtx;
  45   SwrContext *m_SwrCtx;
  46   CAEChannelInfo m_Layout;
  47   uint8_t m_Buffer[8 + AV_INPUT_BUFFER_MIN_SIZE];
  48   int m_BufferSize = 0;
  49   int m_OutputSize = 0;
  50   double m_OutputRatio = 0.0;
  51   double m_SampleRateMul = 0.0;
  52   unsigned int  m_NeededFrames = 0;
  53   bool m_NeedConversion = false;
  54 };
  55