X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=mixer.h;h=5a3e203dc9dc0dd5f02c6eb2c100364313521291;hb=4a300e3cab7b1b1ef5a32e1f4a7ec319c48e95e5;hp=effc2a3d0f4217c6435509e71271694d592ae7de;hpb=f3dbafe3251a6613433debfdde48dc814f5423a1;p=nageru diff --git a/mixer.h b/mixer.h index effc2a3..5a3e203 100644 --- a/mixer.h +++ b/mixer.h @@ -288,8 +288,8 @@ public: } // Note: You can also get this through the global variable global_audio_mixer. - AudioMixer *get_audio_mixer() { return &audio_mixer; } - const AudioMixer *get_audio_mixer() const { return &audio_mixer; } + AudioMixer *get_audio_mixer() { return audio_mixer.get(); } + const AudioMixer *get_audio_mixer() const { return audio_mixer.get(); } void schedule_cut() { @@ -322,6 +322,11 @@ public: return cards[card_index].output != nullptr; } + bool card_is_ffmpeg(unsigned card_index) const { + assert(card_index < num_cards + num_video_inputs); + return cards[card_index].type == CardType::FFMPEG_INPUT; + } + std::map get_available_video_modes(unsigned card_index) const { assert(card_index < num_cards); return cards[card_index].capture->get_available_video_modes(); @@ -369,6 +374,10 @@ public: cards[card_index].capture->set_audio_input(input); } + std::string get_ffmpeg_filename(unsigned card_index) const; + + void set_ffmpeg_filename(unsigned card_index, const std::string &filename); + void change_x264_bitrate(unsigned rate_kbit) { video_encoder->change_x264_bitrate(rate_kbit); } @@ -442,7 +451,7 @@ private: std::pair get_channel_color_http(unsigned channel_idx); HTTPD httpd; - unsigned num_cards, num_video_inputs, num_html_inputs; + unsigned num_cards, num_video_inputs, num_html_inputs = 0; QSurface *mixer_surface, *h264_encoder_surface, *decklink_output_surface; std::unique_ptr resource_pool; @@ -487,6 +496,15 @@ private: CardType type; std::unique_ptr output; + // CEF only delivers frames when it actually has a change. + // If we trim the queue for latency reasons, we could thus + // end up in a situation trimming a frame that was meant to + // be displayed for a long time, which is really suboptimal. + // Thus, if we drop the last frame we have, may_have_dropped_last_frame + // is set to true, and the next starvation event will trigger + // us requestin a CEF repaint. + bool is_cef_capture, may_have_dropped_last_frame = false; + // If this card is used for output (ie., output_card_index points to it), // it cannot simultaneously be uesd for capture, so gets replaced // by a FakeCapture. However, since reconstructing the real capture object @@ -539,7 +557,7 @@ private: JitterHistory output_jitter_history; CaptureCard cards[MAX_VIDEO_CARDS]; // Protected by . YCbCrInterpretation ycbcr_interpretation[MAX_VIDEO_CARDS]; // Protected by . - AudioMixer audio_mixer; // Same as global_audio_mixer (see audio_mixer.h). + std::unique_ptr audio_mixer; // Same as global_audio_mixer (see audio_mixer.h). bool input_card_is_master_clock(unsigned card_index, unsigned master_card_index) const; struct OutputFrameInfo { int dropped_frames; // Since last frame.