new/reworked audio plugins ported from hv72 compressor/multi/reverb, glyph workaround...

[goodguy/cinelerra.git] / cinelerra-5.1 / plugins / compressormulti / comprmulti.h

diff --git a/cinelerra-5.1/plugins/compressormulti/comprmulti.h b/cinelerra-5.1/plugins/compressormulti/comprmulti.h
new file mode 100644 (file)
index 0000000..bc54267
--- /dev/null
+++ b/cinelerra-5.1/plugins/compressormulti/comprmulti.h
@@ -0,0 +1,163 @@
+
+/*
+ * CINELERRA
+ * Copyright (C) 2008-2019 Adam Williams <broadcast at earthling dot net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef COMPRMULTI_H
+#define COMPRMULTI_H
+
+#include "bchash.inc"
+#include "compressortools.h"
+#include "fourier.h"
+#include "mutex.h"
+#include "pluginaclient.h"
+#include "samples.inc"
+#include "vframe.inc"
+
+class ComprMultiEffect;
+class ComprMultiFFT;
+
+//#define LOG_CROSSOVER
+#define DRAW_AFTER_BANDPASS
+
+#define TOTAL_BANDS 3
+
+class ComprMultiConfig : public CompressorConfigBase
+{
+public:
+       ComprMultiConfig();
+
+       void copy_from(ComprMultiConfig &that);
+       int equivalent(ComprMultiConfig &that);
+       void interpolate(ComprMultiConfig &prev, ComprMultiConfig &next,
+               int64_t prev_frame, int64_t next_frame, int64_t current_frame);
+       double q;
+       int window_size;
+};
+
+class ComprMultiFFT :public CrossfadeFFT
+{
+public:
+       ComprMultiFFT(ComprMultiEffect *plugin, int channel);
+       ~ComprMultiFFT();
+       
+       int signal_process(int band);
+       int post_process(int band);
+       int read_samples(int64_t output_sample, int samples, Samples *buffer);
+
+       ComprMultiEffect *plugin;
+       int channel;
+       CompressorFreqFrame *frame;
+};
+
+// processing state of a single band
+class BandState
+{
+public:
+       BandState(ComprMultiEffect *plugin, int band);
+       ~BandState();
+
+       void delete_dsp();
+       void reset();
+       void reconfigure();
+// calculate the envelope for only this band
+       void calculate_envelope();
+       void process_readbehind(int size,
+               int reaction_samples, int decay_samples, int trigger);
+       void process_readahead(int size, int preview_samples,
+               int reaction_samples, int decay_samples, int trigger);
+       void allocate_filtered(int new_size);
+
+// bandpass filter for this band
+       double *envelope;
+       int envelope_allocated;
+// The input for all channels with filtering by this band
+       Samples **filtered_buffer;
+// ending input value of smoothed input
+       double next_target;
+// starting input value of smoothed input
+       double previous_target;
+// samples between previous and next target value for readahead
+       int target_samples;
+// current sample from 0 to target_samples
+       int target_current_sample;
+// current smoothed input value
+       double current_value;
+// Temporaries for linear transfer
+       ArrayList<compressor_point_t> levels;
+       ComprMultiEffect *plugin;
+       int band;
+       CompressorEngine *engine;
+};
+
+class ComprMultiEffect : public PluginAClient
+{
+public:
+       ComprMultiEffect(PluginServer *server);
+       ~ComprMultiEffect();
+
+       int is_multichannel();
+       int is_realtime();
+       void read_data(KeyFrame *keyframe);
+       void save_data(KeyFrame *keyframe);
+       int process_buffer(int64_t size, Samples **buffer,
+               int64_t start_position, int sample_rate);
+
+// calculate envelopes of all the bands
+       void calculate_envelope();
+
+       void allocate_input(int new_size);
+
+       void reset();
+       void update_gui();
+       void render_stop();
+       void delete_dsp();
+       void dump_frames();
+
+       PLUGIN_CLASS_MEMBERS(ComprMultiConfig)
+
+#ifndef DRAW_AFTER_BANDPASS
+// The out of band data for each channel with readahead
+       Samples **input_buffer;
+// Number of samples in the unfiltered input buffers
+       int64_t input_size;
+// input buffer size being calculated by the FFT readers
+       int64_t new_input_size;
+#endif // !DRAW_AFTER_BANDPASS
+// Starting sample of the input buffer relative to project in the requested rate.
+       int64_t input_start;
+// Number of samples in the filtered input buffers
+       int64_t filtered_size;
+
+// detect seeking
+       int64_t last_position;
+
+// count spectrogram frames for each band
+       int new_spectrogram_frames[TOTAL_BANDS];
+
+       BandState *band_states[TOTAL_BANDS];
+// The big FFT with multiple channels & multiple bands extracted per channel.
+       ComprMultiFFT **fft;
+
+       int need_reconfigure;
+       double start_pos;
+       int dir;
+};
+
+
+#endif