// Copyright (c) 2008-2009, Karl Blomster
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/// @file ffmpegsource_common.h
/// @see ffmpegsource_common.cpp
/// @ingroup video_input audio_input ffms
///

#ifdef WITH_FFMS2
#include <map>

#include <ffms.h>

#include <libaegisub/fs_fwd.h>
#include <libaegisub/scoped_ptr.h>

/// Index all tracks
#define FFMS_TRACKMASK_ALL		-1
/// Index no tracks
#define FFMS_TRACKMASK_NONE		0

/// @class FFmpegSourceProvider
/// @brief Base class for FFMS2 source providers; contains common functions etc
class FFmpegSourceProvider {
	friend class FFmpegSourceCacheCleaner;
	agi::scoped_holder<bool> COMInited; ///< COM initialization state

public:
	FFmpegSourceProvider();

	/// Logging level constants from avutil/log.h
	enum FFMS_LogLevel {
		/// nothing printed
		FFMS_LOG_QUIET		= -8,
		FFMS_LOG_PANIC		= 0,
		FFMS_LOG_FATAL		= 8,
		FFMS_LOG_ERROR		= 16,
		FFMS_LOG_WARNING	= 24,
		FFMS_LOG_INFO		= 32,
		FFMS_LOG_VERBOSE	= 40,
		FFMS_LOG_DEBUG		= 48,
	};

	void CleanCache();

	FFMS_Index *DoIndexing(FFMS_Indexer *Indexer, agi::fs::path const& Cachename, int Trackmask, FFMS_IndexErrorHandling IndexEH);
	std::map<int, std::string> GetTracksOfType(FFMS_Indexer *Indexer, FFMS_TrackType Type);
	int AskForTrackSelection(const std::map<int, std::string>& TrackList, FFMS_TrackType Type);
	agi::fs::path GetCacheFilename(agi::fs::path const& filename);
	void SetLogLevel();
	FFMS_IndexErrorHandling GetErrorHandlingMode();

	virtual ~FFmpegSourceProvider() {}
};

#endif /* WITH_FFMS2 */