-// Hardware H.264 encoding via VAAPI. Heavily modified based on example
-// code by Intel. Intel's original copyright and license is reproduced below:
+// Hardware H.264 encoding via VAAPI. Also orchestrates the H.264 encoding
+// in general; this is unfortunate, and probably needs a cleanup. In particular,
+// even if you don't actually use Quick Sync for anything, this class
+// (or actually, QuickSyncEncoderImpl) still takes on a pretty central role.
+//
+// Heavily modified based on example code by Intel. Intel's original copyright
+// and license is reproduced below:
//
// Copyright (c) 2007-2013 Intel Corporation. All Rights Reserved.
//
#define _H264ENCODE_H
#include <epoxy/gl.h>
+#include <movit/image_format.h>
+#include <stdbool.h>
#include <stdint.h>
-#include <atomic>
#include <memory>
#include <string>
#include <vector>
#include <libavformat/avformat.h>
}
-#include "ref_counted_frame.h"
#include "ref_counted_gl_sync.h"
-class AudioEncoder;
+class DiskSpaceEstimator;
class Mux;
-class QuickSyncEncoderImpl;
class QSurface;
+class QuickSyncEncoderImpl;
+class RefCountedFrame;
class X264Encoder;
namespace movit {
} // namespace movit
// This is just a pimpl, because including anything X11-related in a .h file
-// tends to trip up Qt. All the real logic is in QuickSyncEncoderImpl, defined in the
-// .cpp file.
+// tends to trip up Qt. All the real logic is in QuickSyncEncoderImpl,
+// defined in quicksync_encoder_impl.h.
+//
+// This class is _not_ thread-safe, except where mentioned.
class QuickSyncEncoder {
public:
- QuickSyncEncoder(const std::string &filename, movit::ResourcePool *resource_pool, QSurface *surface, const std::string &va_display, int width, int height, AVOutputFormat *oformat, AudioEncoder *stream_audio_encoder, X264Encoder *x264_encoder);
+ QuickSyncEncoder(const std::string &filename, movit::ResourcePool *resource_pool, QSurface *surface, const std::string &va_display, int width, int height, AVOutputFormat *oformat, X264Encoder *x264_encoder, DiskSpaceEstimator *disk_space_estimator);
~QuickSyncEncoder();
void set_stream_mux(Mux *mux); // Does not take ownership. Must be called unless x264 is used for the stream.
- void add_audio(int64_t pts, std::vector<float> audio);
- bool begin_frame(GLuint *y_tex, GLuint *cbcr_tex);
- RefCountedGLsync end_frame(int64_t pts, int64_t duration, const std::vector<RefCountedFrame> &input_frames);
+ void add_audio(int64_t pts, std::vector<float> audio); // Thread-safe.
+ bool is_zerocopy() const; // Thread-safe.
+
+ // See VideoEncoder::begin_frame().
+ 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);
+ RefCountedGLsync end_frame();
void shutdown(); // Blocking. Does not require an OpenGL context.
+ void close_file(); // Does not require an OpenGL context. Must be run after shutdown.
void release_gl_resources(); // Requires an OpenGL context. Must be run after shutdown.
+ int64_t global_delay() const; // So we never get negative dts.
private:
std::unique_ptr<QuickSyncEncoderImpl> impl;