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#ifndef KITPLAYER_H
#define KITPLAYER_H
#include "kitchensink/kitsource.h"
#include "kitchensink/kitconfig.h"
#include <SDL2/SDL_render.h>
#include <SDL2/SDL_thread.h>
#include <SDL2/SDL_surface.h>
#include <stdbool.h>
#ifdef __cplusplus
extern "C" {
#endif
#define KIT_CODECMAX 16
#define KIT_CODECNAMEMAX 128
typedef enum Kit_PlayerState {
KIT_STOPPED = 0, ///< Playback stopped or has not started yet.
KIT_PLAYING, ///< Playback started & player is actively decoding.
KIT_PAUSED, ///< Playback paused; player is actively decoding but no new data is given out.
KIT_CLOSED ///< Playback is stopped and player is closing.
} Kit_PlayerState;
typedef struct Kit_AudioFormat {
int stream_idx; ///< Stream index
bool is_enabled; ///< Is stream enabled
unsigned int format; ///< SDL Audio Format
bool is_signed; ///< Signedness
int bytes; ///< Bytes per sample per channel
int samplerate; ///< Sampling rate
int channels; ///< Channels
} Kit_AudioFormat;
typedef struct Kit_VideoFormat {
int stream_idx; ///< Stream index
bool is_enabled; ///< Is stream enabled
unsigned int format; ///< SDL Pixel Format
int width; ///< Width in pixels
int height; ///< Height in pixels
} Kit_VideoFormat;
typedef struct Kit_SubtitleFormat {
int stream_idx; ///< Stream index
bool is_enabled; ///< Is stream enabled
} Kit_SubtitleFormat;
typedef struct Kit_Player {
// Local state
Kit_PlayerState state; ///< Playback state
Kit_VideoFormat vformat; ///< Video format information
Kit_AudioFormat aformat; ///< Audio format information
Kit_SubtitleFormat sformat; ///< Subtitle format information
// Synchronization
double clock_sync; ///< Clock sync point
double pause_start; ///< Timestamp of pause beginning
double vclock_pos; ///< Video stream last pts
// Threading
SDL_Thread *dec_thread; ///< Decoder thread
SDL_mutex *vmutex; ///< Video stream buffer lock
SDL_mutex *amutex; ///< Audio stream buffer lock
SDL_mutex *smutex; ///< Subtitle stream buffer lock
SDL_mutex *cmutex; ///< Control stream buffer lock
// Buffers
void *abuffer; ///< Audio stream buffer
void *vbuffer; ///< Video stream buffer
void *sbuffer; ///< Subtitle stream buffer
void *cbuffer; ///< Control stream buffer
// FFmpeg internal state
void *vcodec_ctx; ///< FFmpeg: Video codec context
void *acodec_ctx; ///< FFmpeg: Audio codec context
void *scodec_ctx; ///< FFmpeg: Subtitle codec context
void *tmp_vframe; ///< FFmpeg: Preallocated temporary video frame
void *tmp_aframe; ///< FFmpeg: Preallocated temporary audio frame
void *tmp_sframe; ///< FFmpeg: Preallocated temporary subtitle frame
void *swr; ///< FFmpeg: Audio resampler
void *sws; ///< FFmpeg: Video converter
// libass
void *ass_renderer;
void *ass_track;
// Other
uint8_t seek_flag;
const Kit_Source *src; ///< Reference to Audio/Video source
} Kit_Player;
typedef struct Kit_PlayerInfo {
char acodec[KIT_CODECMAX]; ///< Audio codec short name, eg "ogg", "mp3"
char acodec_name[KIT_CODECNAMEMAX]; ///< Audio codec long, more descriptive name
char vcodec[KIT_CODECMAX]; ///< Video codec short name, eg. "x264"
char vcodec_name[KIT_CODECNAMEMAX]; ///< Video codec long, more descriptive name
char scodec[KIT_CODECMAX]; ///< Subtitle codec short name, eg. "ass"
char scodec_name[KIT_CODECNAMEMAX]; ///< Subtitle codec long, more descriptive name
Kit_VideoFormat video; ///< Video format information
Kit_AudioFormat audio; ///< Audio format information
Kit_SubtitleFormat subtitle; ///< Subtitle format information
} Kit_PlayerInfo;
KIT_API Kit_Player* Kit_CreatePlayer(const Kit_Source *src);
KIT_API void Kit_ClosePlayer(Kit_Player *player);
KIT_API int Kit_UpdatePlayer(Kit_Player *player);
KIT_API int Kit_GetVideoData(Kit_Player *player, SDL_Texture *texture);
KIT_API int Kit_GetSubtitleData(Kit_Player *player, SDL_Renderer *renderer);
KIT_API int Kit_GetAudioData(Kit_Player *player, unsigned char *buffer, int length, int cur_buf_len);
KIT_API void Kit_GetPlayerInfo(const Kit_Player *player, Kit_PlayerInfo *info);
KIT_API Kit_PlayerState Kit_GetPlayerState(const Kit_Player *player);
KIT_API void Kit_PlayerPlay(Kit_Player *player);
KIT_API void Kit_PlayerStop(Kit_Player *player);
KIT_API void Kit_PlayerPause(Kit_Player *player);
KIT_API int Kit_PlayerSeek(Kit_Player *player, double time);
KIT_API double Kit_GetPlayerDuration(const Kit_Player *player);
KIT_API double Kit_GetPlayerPosition(const Kit_Player *player);
#ifdef __cplusplus
}
#endif
#endif // KITPLAYER_H
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