// 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 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, 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);
+ 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 release_gl_resources(); // Requires an OpenGL context. Must be run after shutdown.
int64_t global_delay() const; // So we never get negative dts.
+ // Tries to autodetect a device with a usable VA-API H.264 encoder.
+ // Tries first the default X11 display, then every /dev/dri/renderD* node in turn.
+ // Dies if none could be found.
+ static std::string get_usable_va_display();
+
private:
std::unique_ptr<QuickSyncEncoderImpl> impl;
};