+++ /dev/null
-// A class to orchestrate the concept of video encoding. Will keep track of
-// the muxes to stream and disk, the QuickSyncEncoder, and also the X264Encoder
-// (for the stream) if there is one.
-
-#ifndef _VIDEO_ENCODER_H
-#define _VIDEO_ENCODER_H
-
-#include <epoxy/gl.h>
-#include <movit/image_format.h>
-#include <stdbool.h>
-#include <stdint.h>
-#include <atomic>
-#include <memory>
-#include <mutex>
-#include <string>
-#include <vector>
-
-extern "C" {
-#include <libavformat/avformat.h>
-#include <libavformat/avio.h>
-}
-
-#include "mux.h"
-#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:
- 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<float> audio);
-
- bool is_zerocopy() const;
-
- // 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.
- //
- // The semantics of y_tex and cbcr_tex depend on is_zerocopy():
- //
- // - If false, the are input parameters, ie., the caller
- // allocates textures. (The contents are not read before
- // end_frame() is called.)
- // - If true, they are output parameters, ie., VideoEncoder
- // allocates textures and borrow them to you for rendering.
- // In this case, after end_frame(), you are no longer allowed
- // to use the textures; they are torn down and given to the
- // H.264 encoder.
- bool begin_frame(int64_t pts, int64_t duration, movit::YCbCrLumaCoefficients ycbcr_coefficients, const std::vector<RefCountedFrame> &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);
-
- void change_x264_bitrate(unsigned rate_kbit);
-
-private:
- void open_output_stream();
- 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);
-
- AVOutputFormat *oformat;
- mutable std::mutex qs_mu, qs_audio_mu;
- std::unique_ptr<QuickSyncEncoder> quicksync_encoder; // Under <qs_mu> _and_ <qs_audio_mu>.
- 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<Mux> stream_mux; // To HTTP.
- std::unique_ptr<AudioEncoder> stream_audio_encoder;
- std::unique_ptr<X264Encoder> x264_encoder; // nullptr if not using x264.
-
- std::string stream_mux_header;
- MuxMetrics stream_mux_metrics;
-
- std::atomic<int> quicksync_encoders_in_shutdown{0};
- std::atomic<int> 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<std::unique_ptr<QuickSyncEncoder>> qs_needing_cleanup; // Under <qs_mu>.
-};
-
-#endif
projects / nageru / blobdiff