X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=quicksync_encoder.h;h=de243ac6f2a3f28e98a9a30ae090a90b35332a67;hb=4a0187ffb4075b4d217b8d9e9c96cac548b199d8;hp=a247ee80fe6bf8b6bfc1890601d85ecccd1113b2;hpb=ee7da87b4aa284b7babd59dc21db925f7c384ce7;p=nageru diff --git a/quicksync_encoder.h b/quicksync_encoder.h index a247ee8..de243ac 100644 --- a/quicksync_encoder.h +++ b/quicksync_encoder.h @@ -1,5 +1,10 @@ -// 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. // @@ -54,16 +59,22 @@ class ResourcePool; // 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 audio); + void add_audio(int64_t pts, std::vector 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 &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.