Adding upstream version 2:20.4+dfsg.upstream/2%20.4+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 74 insertions, 0 deletions

diff --git a/xbmc/cdrip/EncoderFFmpeg.h b/xbmc/cdrip/EncoderFFmpeg.h
new file mode 100644
index 0000000..39112ba
--- /dev/null
+++ b/xbmc/cdrip/EncoderFFmpeg.h
@@ -0,0 +1,74 @@
+/*
+ *  Copyright (C) 2005-2018 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#pragma once
+
+#include "Encoder.h"
+
+extern "C"
+{
+#include <libavcodec/avcodec.h>
+#include <libavformat/avformat.h>
+#include <libswresample/swresample.h>
+}
+
+namespace KODI
+{
+namespace CDRIP
+{
+
+class CEncoderFFmpeg : public CEncoder
+{
+public:
+  CEncoderFFmpeg() = default;
+  ~CEncoderFFmpeg() override = default;
+
+  bool Init() override;
+  ssize_t Encode(uint8_t* pbtStream, size_t nNumBytesRead) override;
+  bool Close() override;
+
+private:
+  static int avio_write_callback(void* opaque, uint8_t* buf, int buf_size);
+  static int64_t avio_seek_callback(void* opaque, int64_t offset, int whence);
+
+  void SetTag(const std::string& tag, const std::string& value);
+  bool WriteFrame();
+  AVSampleFormat GetInputFormat(int inBitsPerSample);
+  std::string FFmpegErrorToString(int err);
+
+  AVFormatContext* m_formatCtx{nullptr};
+  AVCodecContext* m_codecCtx{nullptr};
+  SwrContext* m_swrCtx{nullptr};
+  AVStream* m_stream{nullptr};
+  AVSampleFormat m_inFormat;
+  AVSampleFormat m_outFormat;
+
+  /* From libavformat/avio.h:
+   * The buffer size is very important for performance.
+   * For protocols with fixed blocksize it should be set to this
+   * blocksize.
+   * For others a typical size is a cache page, e.g. 4kb.
+   */
+  static constexpr size_t BUFFER_SIZE = 4096;
+  uint8_t* m_bcBuffer{nullptr};
+
+  unsigned int m_neededFrames{0};
+  size_t m_neededBytes{0};
+  uint8_t* m_buffer{nullptr};
+  size_t m_bufferSize{0};
+  AVFrame* m_bufferFrame{nullptr};
+  uint8_t* m_resampledBuffer{nullptr};
+  size_t m_resampledBufferSize{0};
+  AVFrame* m_resampledFrame{nullptr};
+  bool m_needConversion{false};
+  int64_t m_samplesCount{0};
+  int64_t m_samplesCountMultiply{1000};
+};
+
+} /* namespace CDRIP */
+} /* namespace KODI */