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Diffstat (limited to 'plugins/gme/Game_Music_Emu-0.5.2/gme/Multi_Buffer.h')
-rw-r--r--plugins/gme/Game_Music_Emu-0.5.2/gme/Multi_Buffer.h156
1 files changed, 0 insertions, 156 deletions
diff --git a/plugins/gme/Game_Music_Emu-0.5.2/gme/Multi_Buffer.h b/plugins/gme/Game_Music_Emu-0.5.2/gme/Multi_Buffer.h
deleted file mode 100644
index a39cca1a..00000000
--- a/plugins/gme/Game_Music_Emu-0.5.2/gme/Multi_Buffer.h
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@@ -1,156 +0,0 @@
-// Multi-channel sound buffer interface, and basic mono and stereo buffers
-
-// Blip_Buffer 0.4.1
-#ifndef MULTI_BUFFER_H
-#define MULTI_BUFFER_H
-
-#include "blargg_common.h"
-#include "Blip_Buffer.h"
-
-// Interface to one or more Blip_Buffers mapped to one or more channels
-// consisting of left, center, and right buffers.
-class Multi_Buffer {
-public:
- Multi_Buffer( int samples_per_frame );
- virtual ~Multi_Buffer() { }
-
- // Set the number of channels available
- virtual blargg_err_t set_channel_count( int );
-
- // Get indexed channel, from 0 to channel count - 1
- struct channel_t {
- Blip_Buffer* center;
- Blip_Buffer* left;
- Blip_Buffer* right;
- };
- enum { type_index_mask = 0xFF };
- enum { wave_type = 0x100, noise_type = 0x200, mixed_type = wave_type | noise_type };
- virtual channel_t channel( int index, int type ) = 0;
-
- // See Blip_Buffer.h
- virtual blargg_err_t set_sample_rate( long rate, int msec = blip_default_length ) = 0;
- virtual void clock_rate( long ) = 0;
- virtual void bass_freq( int ) = 0;
- virtual void clear() = 0;
- long sample_rate() const;
-
- // Length of buffer, in milliseconds
- int length() const;
-
- // See Blip_Buffer.h
- virtual void end_frame( blip_time_t ) = 0;
-
- // Number of samples per output frame (1 = mono, 2 = stereo)
- int samples_per_frame() const;
-
- // Count of changes to channel configuration. Incremented whenever
- // a change is made to any of the Blip_Buffers for any channel.
- unsigned channels_changed_count() { return channels_changed_count_; }
-
- // See Blip_Buffer.h
- virtual long read_samples( blip_sample_t*, long ) = 0;
- virtual long samples_avail() const = 0;
-
-public:
- BLARGG_DISABLE_NOTHROW
-protected:
- void channels_changed() { channels_changed_count_++; }
-private:
- // noncopyable
- Multi_Buffer( const Multi_Buffer& );
- Multi_Buffer& operator = ( const Multi_Buffer& );
-
- unsigned channels_changed_count_;
- long sample_rate_;
- int length_;
- int const samples_per_frame_;
-};
-
-// Uses a single buffer and outputs mono samples.
-class Mono_Buffer : public Multi_Buffer {
- Blip_Buffer buf;
- channel_t chan;
-public:
- // Buffer used for all channels
- Blip_Buffer* center() { return &buf; }
-
-public:
- Mono_Buffer();
- ~Mono_Buffer();
- blargg_err_t set_sample_rate( long rate, int msec = blip_default_length );
- void clock_rate( long rate ) { buf.clock_rate( rate ); }
- void bass_freq( int freq ) { buf.bass_freq( freq ); }
- void clear() { buf.clear(); }
- long samples_avail() const { return buf.samples_avail(); }
- long read_samples( blip_sample_t* p, long s ) { return buf.read_samples( p, s ); }
- channel_t channel( int, int ) { return chan; }
- void end_frame( blip_time_t t ) { buf.end_frame( t ); }
-};
-
-// Uses three buffers (one for center) and outputs stereo sample pairs.
-class Stereo_Buffer : public Multi_Buffer {
-public:
-
- // Buffers used for all channels
- Blip_Buffer* center() { return &bufs [0]; }
- Blip_Buffer* left() { return &bufs [1]; }
- Blip_Buffer* right() { return &bufs [2]; }
-
-public:
- Stereo_Buffer();
- ~Stereo_Buffer();
- blargg_err_t set_sample_rate( long, int msec = blip_default_length );
- void clock_rate( long );
- void bass_freq( int );
- void clear();
- channel_t channel( int, int ) { return chan; }
- void end_frame( blip_time_t );
-
- long samples_avail() const { return bufs [0].samples_avail() * 2; }
- long read_samples( blip_sample_t*, long );
-
-private:
- enum { buf_count = 3 };
- Blip_Buffer bufs [buf_count];
- channel_t chan;
- int stereo_added;
- int was_stereo;
-
- void mix_stereo_no_center( blip_sample_t*, blargg_long );
- void mix_stereo( blip_sample_t*, blargg_long );
- void mix_mono( blip_sample_t*, blargg_long );
-};
-
-// Silent_Buffer generates no samples, useful where no sound is wanted
-class Silent_Buffer : public Multi_Buffer {
- channel_t chan;
-public:
- Silent_Buffer();
- blargg_err_t set_sample_rate( long rate, int msec = blip_default_length )
- {
- return Multi_Buffer::set_sample_rate( rate, msec );
- }
- void clock_rate( long ) { }
- void bass_freq( int ) { }
- void clear() { }
- channel_t channel( int, int ) { return chan; }
- void end_frame( blip_time_t ) { }
- long samples_avail() const { return 0; }
- long read_samples( blip_sample_t*, long ) { return 0; }
-};
-
-
-inline blargg_err_t Multi_Buffer::set_sample_rate( long rate, int msec )
-{
- sample_rate_ = rate;
- length_ = msec;
- return 0;
-}
-
-inline int Multi_Buffer::samples_per_frame() const { return samples_per_frame_; }
-
-inline long Multi_Buffer::sample_rate() const { return sample_rate_; }
-
-inline int Multi_Buffer::length() const { return length_; }
-
-#endif