encoded_frames.h

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#ifndef MILLICAST_API_FRAME_TRANSFORMER_H
#define MILLICAST_API_FRAME_TRANSFORMER_H
 
#ifdef __cplusplus
 
#include <functional>
#include <optional>
 
#include "exports.h"
#include "span.h"
 
namespace millicast {
 
class MILLICAST_API EncodedFrame {
 public:
  [[nodiscard]] virtual Span<const uint8_t> data() const = 0;

  virtual void set_metadata(Span<const uint8_t> metadata) = 0;

  [[nodiscard]] virtual Span<const uint8_t> metadata() const = 0;

  [[nodiscard]] virtual uint32_t timestamp() const = 0;

  [[nodiscard]] virtual uint32_t ssrc() const = 0;
};
 
class MILLICAST_API EncodedVideoFrame : public EncodedFrame {
 public:
  virtual ~EncodedVideoFrame() = default;

  [[nodiscard]] virtual int width() const = 0;

  [[nodiscard]] virtual int height() const = 0;

  [[nodiscard]] virtual bool is_keyframe() const = 0;

  [[nodiscard]] virtual int64_t frame_id() const = 0;

  [[nodiscard]] virtual int temporal_index() const = 0;

  [[nodiscard]] virtual int spatial_index() const = 0;
};
 
class MILLICAST_API EncodedAudioFrame : public EncodedFrame {
 public:
  virtual ~EncodedAudioFrame() = default;

  [[nodiscard]] virtual uint16_t sequence_number() const = 0;

  [[nodiscard]] virtual uint64_t absolute_capture_time() const = 0;
};

using EncodedVideoFrameCallback = std::function<void(EncodedVideoFrame&)>;
using EncodedAudioFrameCallback = std::function<void(EncodedAudioFrame&)>;
};  // namespace millicast
 
#endif // __cplusplus
#endif /* MILLICAST_API_FRAME_TRANSFORMER_H */