scrcpy/app/src/video_buffer.h

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#ifndef SC_VIDEO_BUFFER_H
#define SC_VIDEO_BUFFER_H
#include "common.h"
#include <stdbool.h>
#include "clock.h"
#include "frame_buffer.h"
#include "util/queue.h"
#include "util/thread.h"
#include "util/tick.h"
// forward declarations
typedef struct AVFrame AVFrame;
struct sc_video_buffer_frame {
AVFrame *frame;
struct sc_video_buffer_frame *next;
#ifndef NDEBUG
sc_tick push_date;
#endif
};
struct sc_video_buffer_frame_queue SC_QUEUE(struct sc_video_buffer_frame);
struct sc_video_buffer {
struct sc_frame_buffer fb;
sc_tick buffering_time;
// only if buffering_time > 0
struct {
sc_thread thread;
sc_mutex mutex;
sc_cond queue_cond;
sc_cond wait_cond;
struct sc_clock clock;
struct sc_video_buffer_frame_queue queue;
bool stopped;
} b; // buffering
const struct sc_video_buffer_callbacks *cbs;
void *cbs_userdata;
};
struct sc_video_buffer_callbacks {
void (*on_new_frame)(struct sc_video_buffer *vb, bool previous_skipped,
void *userdata);
};
bool
sc_video_buffer_init(struct sc_video_buffer *vb, sc_tick buffering_time,
const struct sc_video_buffer_callbacks *cbs,
void *cbs_userdata);
bool
sc_video_buffer_start(struct sc_video_buffer *vb);
void
sc_video_buffer_stop(struct sc_video_buffer *vb);
void
sc_video_buffer_join(struct sc_video_buffer *vb);
void
sc_video_buffer_destroy(struct sc_video_buffer *vb);
bool
sc_video_buffer_push(struct sc_video_buffer *vb, const AVFrame *frame);
void
sc_video_buffer_consume(struct sc_video_buffer *vb, AVFrame *dst);
#endif