1 // A class to orchestrate the concept of video encoding. Will keep track of
2 // the muxes to stream and disk, the QuickSyncEncoder, and also the X264Encoder
3 // (for the stream) if there is one.
5 #ifndef _VIDEO_ENCODER_H
6 #define _VIDEO_ENCODER_H
14 #include "ref_counted_frame.h"
15 #include "ref_counted_gl_sync.h"
19 class QuickSyncEncoder;
21 class VideoEncoder : public KeyFrameSignalReceiver {
23 VideoEncoder(QSurface *surface, const std::string &va_display, int width, int height, HTTPD *httpd);
26 void add_audio(int64_t pts, std::vector<float> audio);
27 bool begin_frame(GLuint *y_tex, GLuint *cbcr_tex);
28 RefCountedGLsync end_frame(int64_t pts, int64_t duration, const std::vector<RefCountedFrame> &input_frames);
30 // Does a cut of the disk stream immediately ("frame" is used for the filename only).
31 void do_cut(int frame);
33 virtual void signal_keyframe() override {
34 stream_mux_writing_keyframes = true;
38 void open_output_stream();
39 void close_output_stream();
40 static int write_packet_thunk(void *opaque, uint8_t *buf, int buf_size);
41 int write_packet(uint8_t *buf, int buf_size);
43 std::unique_ptr<QuickSyncEncoder> quicksync_encoder;
45 std::string va_display;
49 std::unique_ptr<Mux> stream_mux; // To HTTP.
51 // While Mux object is constructing, <stream_mux_writing_header> is true,
52 // and the header is being collected into stream_mux_header.
53 bool stream_mux_writing_header;
54 std::string stream_mux_header;
56 bool stream_mux_writing_keyframes = false;