scrcpy/app/src/recorder.h
Romain Vimont efc15744da Use VecDeque in recorder
The packets queued for recording were wrapped in a dynamically allocated
structure with a "next" field.

To avoid this additional layer of allocation and indirection, use a
VecDeque.
2023-03-10 22:22:15 +01:00

83 lines
2.2 KiB
C

#ifndef SC_RECORDER_H
#define SC_RECORDER_H
#include "common.h"
#include <stdbool.h>
#include <libavformat/avformat.h>
#include "coords.h"
#include "options.h"
#include "trait/packet_sink.h"
#include "util/thread.h"
#include "util/vecdeque.h"
struct sc_recorder_queue SC_VECDEQUE(AVPacket *);
struct sc_recorder {
struct sc_packet_sink video_packet_sink;
struct sc_packet_sink audio_packet_sink;
/* The audio flag is unprotected:
* - it is initialized from sc_recorder_init() from the main thread;
* - it may be reset once from the recorder thread if the audio is
* disabled dynamically.
*
* Therefore, once the recorder thread is started, only the recorder thread
* may access it without data races.
*/
bool audio;
char *filename;
enum sc_record_format format;
AVFormatContext *ctx;
struct sc_size declared_frame_size;
sc_thread thread;
sc_mutex mutex;
sc_cond queue_cond;
// set on sc_recorder_stop(), packet_sink close or recording failure
bool stopped;
struct sc_recorder_queue video_queue;
struct sc_recorder_queue audio_queue;
// wake up the recorder thread once the video or audio codec is known
sc_cond stream_cond;
const AVCodec *video_codec;
const AVCodec *audio_codec;
// Instead of providing an audio_codec, the demuxer may notify that the
// stream is disabled if the device could not capture audio
bool audio_disabled;
int video_stream_index;
int audio_stream_index;
const struct sc_recorder_callbacks *cbs;
void *cbs_userdata;
};
struct sc_recorder_callbacks {
void (*on_ended)(struct sc_recorder *recorder, bool success,
void *userdata);
};
bool
sc_recorder_init(struct sc_recorder *recorder, const char *filename,
enum sc_record_format format, bool audio,
struct sc_size declared_frame_size,
const struct sc_recorder_callbacks *cbs, void *cbs_userdata);
bool
sc_recorder_start(struct sc_recorder *recorder);
void
sc_recorder_stop(struct sc_recorder *recorder);
void
sc_recorder_join(struct sc_recorder *recorder);
void
sc_recorder_destroy(struct sc_recorder *recorder);
#endif