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On initial connection, scrcpy sent some device metadata: - the device name (to be used as window title) - the initial video size (before any frame or even SPS/PPS) But it is better to provide the initial video size as part as the video stream, so that it can be demuxed and exposed via AVCodecContext to sinks. This avoids to pass an explicit "initial frame size" for the screen, the recorder and the v4l2 sink.
78 lines
1.9 KiB
C
78 lines
1.9 KiB
C
#ifndef SC_RECORDER_H
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#define SC_RECORDER_H
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#include "common.h"
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#include <stdbool.h>
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#include <libavformat/avformat.h>
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#include "coords.h"
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#include "options.h"
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#include "trait/packet_sink.h"
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#include "util/thread.h"
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#include "util/vecdeque.h"
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struct sc_recorder_queue SC_VECDEQUE(AVPacket *);
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struct sc_recorder {
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struct sc_packet_sink video_packet_sink;
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struct sc_packet_sink audio_packet_sink;
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/* The audio flag is unprotected:
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* - it is initialized from sc_recorder_init() from the main thread;
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* - it may be reset once from the recorder thread if the audio is
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* disabled dynamically.
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*
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* Therefore, once the recorder thread is started, only the recorder thread
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* may access it without data races.
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*/
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bool audio;
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char *filename;
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enum sc_record_format format;
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AVFormatContext *ctx;
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sc_thread thread;
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sc_mutex mutex;
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sc_cond queue_cond;
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// set on sc_recorder_stop(), packet_sink close or recording failure
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bool stopped;
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struct sc_recorder_queue video_queue;
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struct sc_recorder_queue audio_queue;
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// wake up the recorder thread once the video or audio codec is known
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sc_cond stream_cond;
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bool video_init;
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bool audio_init;
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int video_stream_index;
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int audio_stream_index;
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const struct sc_recorder_callbacks *cbs;
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void *cbs_userdata;
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};
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struct sc_recorder_callbacks {
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void (*on_ended)(struct sc_recorder *recorder, bool success,
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void *userdata);
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};
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bool
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sc_recorder_init(struct sc_recorder *recorder, const char *filename,
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enum sc_record_format format, bool audio,
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const struct sc_recorder_callbacks *cbs, void *cbs_userdata);
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bool
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sc_recorder_start(struct sc_recorder *recorder);
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void
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sc_recorder_stop(struct sc_recorder *recorder);
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void
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sc_recorder_join(struct sc_recorder *recorder);
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void
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sc_recorder_destroy(struct sc_recorder *recorder);
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#endif
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