X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=x264_speed_control.h;h=af4513ea5a037ab596e7a016ed98fee1e1acf73b;hb=7895dde165b0586eea324b4c9e07f8f0a2b7e1ba;hp=b498826830d20ba649e1e37724da5824f6189ca6;hpb=16c0e5da7fa7b4eeea79470c24697a1ba193f071;p=nageru diff --git a/x264_speed_control.h b/x264_speed_control.h index b498826..af4513e 100644 --- a/x264_speed_control.h +++ b/x264_speed_control.h @@ -47,6 +47,8 @@ #include #include #include +#include +#include extern "C" { #include "x264.h" @@ -80,20 +82,30 @@ public: void before_frame(float new_buffer_fill, int new_buffer_size, float f_uspf); void after_frame(); + // x264 seemingly has an issue where x264_encoder_reconfig() is not reflected + // immediately in x264_encoder_parameters(). Since speed control keeps calling + // those two all the time, any changes you make outside X264SpeedControl + // could be overridden. Thus, to make changes to encoder parameters, you should + // instead set a function here, which will be called every time parameters + // are modified. + void set_config_override_function(std::function override_func) + { + this->override_func = override_func; + } + private: void set_buffer_size(int new_buffer_size); int dither_preset(float f); void apply_preset(int new_preset); - int64_t mdate(); // Current time in microseconds. // Not owned by us. x264_t *x264; float f_speed; - // all times are in usec - int64_t timestamp; // when was speedcontrol last invoked - int64_t cpu_time_last_frame = 0; // time spent encoding the previous frame + // all times that are not std::chrono::* are in usec + std::chrono::steady_clock::time_point timestamp; // when was speedcontrol last invoked + std::chrono::steady_clock::duration cpu_time_last_frame{std::chrono::seconds{0}}; // time spent encoding the previous frame int64_t buffer_size; // assumed application-side buffer of frames to be streamed (measured in microseconds), int64_t buffer_fill; // where full = we don't have to hurry int64_t compensation_period; // how quickly we try to return to the target buffer fullness @@ -105,7 +117,6 @@ private: float dither = 0.0f; bool first = true; - bool buffer_complete = false; struct { @@ -113,4 +124,6 @@ private: double avg_preset; int den; } stat; + + std::function override_func = nullptr; };