1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
|
/**********************************************************************
Audacity: A Digital Audio Editor
AVChannelLayoutWrapper.h
Dmitry Vedenko
**********************************************************************/
#pragma once
// Channel layout was introduced earlier, but we must use it starting from 59
#define HAS_AV_CHANNEL_LAYOUT (LIBAVUTIL_VERSION_MAJOR >= 59)
#include <cstdint>
#include <memory>
typedef struct AVChannelLayout AVChannelLayout;
class AVChannelLayoutWrapper
{
public:
virtual ~AVChannelLayoutWrapper() = default;
virtual uint64_t GetLegacyChannelLayout() const noexcept = 0;
virtual int GetChannelsCount() const noexcept = 0;
virtual const AVChannelLayout* GetChannelLayout() const noexcept = 0;
virtual std::unique_ptr<AVChannelLayoutWrapper> Clone() const = 0;
}; // class AVChannelLayoutWrapper
|