mythstreamingbuffer.h

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#ifndef STREAMINGRINGBUFFER_H
#define STREAMINGRINGBUFFER_H
 
// MythTV
#include "io/mythmediabuffer.h"
 
// FFmpeg
extern "C" {
#include "libavformat/avformat.h"
#include "libavformat/url.h"
}
 
class MythStreamingBuffer : public MythMediaBuffer
{
  public:
    explicit MythStreamingBuffer(const QString &Filename);
    ~MythStreamingBuffer() override;
 
    bool      IsOpen            (void) const override;
    long long GetReadPosition   (void) const override;
    bool      OpenFile          (const QString &Filename, std::chrono::milliseconds Retry = kDefaultOpenTimeout) override;
    bool      IsStreamed        (void) override { return m_streamed;   }
    bool      IsSeekingAllowed  (void) override { return m_allowSeeks; }
    bool      IsBookmarkAllowed (void) override { return false;        }
 
  protected:
    int       SafeRead          (void *Buffer, uint Size) override;
    long long GetRealFileSizeInternal(void) const override;
    long long SeekInternal      (long long Position, int Whence) override;
 
  private:
    URLContext *m_context    { nullptr };
    bool        m_streamed   { true    };
    bool        m_allowSeeks { false   };
};
 
#endif // STREAMINGRINGBUFFER_H