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
13 #include "audio_encoder.h"
15 #include "ref_counted_frame.h"
16 #include "ref_counted_gl_sync.h"
20 class QuickSyncEncoder;
27 class VideoEncoder : public KeyFrameSignalReceiver {
29 VideoEncoder(movit::ResourcePool *resource_pool, QSurface *surface, const std::string &va_display, int width, int height, HTTPD *httpd);
32 void add_audio(int64_t pts, std::vector<float> audio);
33 bool begin_frame(GLuint *y_tex, GLuint *cbcr_tex);
34 RefCountedGLsync end_frame(int64_t pts, int64_t duration, const std::vector<RefCountedFrame> &input_frames);
36 // Does a cut of the disk stream immediately ("frame" is used for the filename only).
37 void do_cut(int frame);
39 virtual void signal_keyframe() override {
40 stream_mux_writing_keyframes = true;
44 void open_output_stream();
45 void close_output_stream();
46 static int write_packet_thunk(void *opaque, uint8_t *buf, int buf_size);
47 int write_packet(uint8_t *buf, int buf_size);
49 std::unique_ptr<QuickSyncEncoder> quicksync_encoder;
50 movit::ResourcePool *resource_pool;
52 std::string va_display;
56 std::unique_ptr<Mux> stream_mux; // To HTTP.
57 std::unique_ptr<AudioEncoder> stream_audio_encoder;
58 std::unique_ptr<X264Encoder> x264_encoder; // nullptr if not using x264.
60 // While Mux object is constructing, <stream_mux_writing_header> is true,
61 // and the header is being collected into stream_mux_header.
62 bool stream_mux_writing_header;
63 std::string stream_mux_header;
65 bool stream_mux_writing_keyframes = false;