X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=video_encoder.h;h=e1518aec1fb3067c7bbfa56b24aa51b61448a1da;hb=bd5b2de9a277b87c75d71d94bd8c5095ab14ecf7;hp=489d9d318c9c9650846f939c8ab82f93b295ea00;hpb=90d0745245f83999e88bc50cad57be3e4a1c7439;p=nageru diff --git a/video_encoder.h b/video_encoder.h index 489d9d3..e1518ae 100644 --- a/video_encoder.h +++ b/video_encoder.h @@ -5,55 +5,89 @@ #ifndef _VIDEO_ENCODER_H #define _VIDEO_ENCODER_H +#include +#include +#include #include +#include #include +#include #include #include -#include "mux.h" -#include "ref_counted_frame.h" +extern "C" { +#include +#include +} + #include "ref_counted_gl_sync.h" +class AudioEncoder; +class DiskSpaceEstimator; class HTTPD; +class Mux; class QSurface; class QuickSyncEncoder; +class RefCountedFrame; +class X264Encoder; + +namespace movit { +class ResourcePool; +} // namespace movit -class VideoEncoder : public KeyFrameSignalReceiver { +class VideoEncoder { public: - VideoEncoder(QSurface *surface, const std::string &va_display, int width, int height, HTTPD *httpd); + VideoEncoder(movit::ResourcePool *resource_pool, QSurface *surface, const std::string &va_display, int width, int height, HTTPD *httpd, DiskSpaceEstimator *disk_space_estimator); ~VideoEncoder(); void add_audio(int64_t pts, std::vector audio); - bool begin_frame(GLuint *y_tex, GLuint *cbcr_tex); - RefCountedGLsync end_frame(int64_t pts, int64_t duration, const std::vector &input_frames); + + // Allocate a frame to render into. The returned two textures + // are yours to render into (build them into an FBO). + // Call end_frame() when you're done. + bool begin_frame(int64_t pts, int64_t duration, movit::YCbCrLumaCoefficients ycbcr_coefficients, const std::vector &input_frames, GLuint *y_tex, GLuint *cbcr_tex); + + // Call after you are done rendering into the frame; at this point, + // y_tex and cbcr_tex will be assumed done, and handed over to the + // encoder. The returned fence is purely a convenience; you do not + // need to use it for anything, but it's useful if you wanted to set + // one anyway. + RefCountedGLsync end_frame(); // Does a cut of the disk stream immediately ("frame" is used for the filename only). void do_cut(int frame); - virtual void signal_keyframe() override { - stream_mux_writing_keyframes = true; - } + void change_x264_bitrate(unsigned rate_kbit); private: void open_output_stream(); - void close_output_stream(); - static int write_packet_thunk(void *opaque, uint8_t *buf, int buf_size); - int write_packet(uint8_t *buf, int buf_size); + static int write_packet2_thunk(void *opaque, uint8_t *buf, int buf_size, AVIODataMarkerType type, int64_t time); + int write_packet2(uint8_t *buf, int buf_size, AVIODataMarkerType type, int64_t time); - std::unique_ptr quicksync_encoder; + AVOutputFormat *oformat; + std::mutex qs_mu; + std::unique_ptr quicksync_encoder; // Under . + movit::ResourcePool *resource_pool; QSurface *surface; std::string va_display; int width, height; HTTPD *httpd; + DiskSpaceEstimator *disk_space_estimator; + + bool seen_sync_markers = false; std::unique_ptr stream_mux; // To HTTP. + std::unique_ptr stream_audio_encoder; + std::unique_ptr x264_encoder; // nullptr if not using x264. - // While Mux object is constructing, is true, - // and the header is being collected into stream_mux_header. - bool stream_mux_writing_header; std::string stream_mux_header; - bool stream_mux_writing_keyframes = false; + std::atomic quicksync_encoders_in_shutdown{0}; + std::atomic overriding_bitrate{0}; + + // Encoders that are shutdown, but need to call release_gl_resources() + // (or be deleted) from some thread with an OpenGL context. + std::vector> qs_needing_cleanup; // Under . }; #endif