#include <movit/effect_chain.h>
#include <movit/flat_input.h>
+#include <atomic>
#include <condition_variable>
#include <cstddef>
#include <functional>
#include "resampler.h"
#include "theme.h"
#include "timebase.h"
+#include "stereocompressor.h"
+#include "filter.h"
class H264Encoder;
class QSurface;
output_channel[output].set_frame_ready_callback(callback);
}
- typedef std::function<void(float, float, float, float, float)> audio_level_callback_t;
+ typedef std::function<void(float level_lufs, float peak_db,
+ float global_level_lufs, float range_low_lufs, float range_high_lufs,
+ float auto_gain_staging_db)> audio_level_callback_t;
void set_audio_level_callback(audio_level_callback_t callback)
{
audio_level_callback = callback;
theme->set_wb(channel, r, g, b);
}
+ void set_locut_cutoff(float cutoff_hz)
+ {
+ locut_cutoff_hz = cutoff_hz;
+ }
+
private:
void bm_frame(unsigned card_index, uint16_t timecode,
FrameAllocator::Frame video_frame, size_t video_offset, uint16_t video_format,
FrameAllocator::Frame audio_frame, size_t audio_offset, uint16_t audio_format);
void place_rectangle(movit::Effect *resample_effect, movit::Effect *padding_effect, float x0, float y0, float x1, float y1);
void thread_func();
+ void process_audio_one_frame();
void subsample_chroma(GLuint src_tex, GLuint dst_dst);
void release_display_frame(DisplayFrame *frame);
double pts() { return double(pts_int) / TIMEBASE; }
QSurface *surface;
QOpenGLContext *context;
- bool new_data_ready = false; // Whether new_frame and new_frame_audio contains anything.
+ bool new_data_ready = false; // Whether new_frame contains anything.
bool should_quit = false;
RefCountedFrame new_frame;
GLsync new_data_ready_fence; // Whether new_frame is ready for rendering.
- std::vector<float> new_frame_audio;
std::condition_variable new_data_ready_changed; // Set whenever new_data_ready is changed.
unsigned dropped_frames = 0; // Before new_frame.
// TODO: Implement oversampled peak detection.
float peak = 0.0f;
+
+ StereoFilter locut; // Default cutoff 150 Hz, 24 dB/oct.
+ std::atomic<float> locut_cutoff_hz;
+
+ // First compressor; takes us up to about -12 dBFS.
+ StereoCompressor level_compressor;
+ float last_gain_staging_db = 0.0f;
+
+ StereoCompressor limiter;
+ StereoCompressor compressor;
};
extern Mixer *global_mixer;