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Diffstat (limited to 'scene/resources/audio_stream_resampled.h')
| -rw-r--r-- | scene/resources/audio_stream_resampled.h | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/scene/resources/audio_stream_resampled.h b/scene/resources/audio_stream_resampled.h deleted file mode 100644 index e6dd44ea51..0000000000 --- a/scene/resources/audio_stream_resampled.h +++ /dev/null @@ -1,166 +0,0 @@ -/*************************************************************************/ -/* audio_stream_resampled.h */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* https://godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */ -/* */ -/* Permission is hereby granted, free of charge, to any person obtaining */ -/* a copy of this software and associated documentation files (the */ -/* "Software"), to deal in the Software without restriction, including */ -/* without limitation the rights to use, copy, modify, merge, publish, */ -/* distribute, sublicense, and/or sell copies of the Software, and to */ -/* permit persons to whom the Software is furnished to do so, subject to */ -/* the following conditions: */ -/* */ -/* The above copyright notice and this permission notice shall be */ -/* included in all copies or substantial portions of the Software. */ -/* */ -/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ -/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ -/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ -/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ -/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ -/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ -/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ -/*************************************************************************/ -#ifndef AUDIO_STREAM_RESAMPLED_H -#define AUDIO_STREAM_RESAMPLED_H - -//#include "scene/resources/audio_stream.h" - -#if 0 - -class AudioStreamResampled : public AudioStream { - GDCLASS(AudioStreamResampled,AudioStream); - - uint32_t rb_bits; - uint32_t rb_len; - uint32_t rb_mask; - uint32_t read_buff_len; - uint32_t channels; - uint32_t mix_rate; - - volatile int rb_read_pos; - volatile int rb_write_pos; - - int32_t offset; //contains the fractional remainder of the resampler - enum { - MIX_FRAC_BITS=13, - MIX_FRAC_LEN=(1<<MIX_FRAC_BITS), - MIX_FRAC_MASK=MIX_FRAC_LEN-1, - }; - - int16_t *read_buf; - int16_t *rb; - - - template<int C> - uint32_t _resample(int32_t *p_dest,int p_todo,int32_t p_increment); - - -protected: - - _FORCE_INLINE_ int get_total() const { - - return rb_len; - } - - _FORCE_INLINE_ int get_todo() const { //return amount of frames to mix - - int todo; - int read_pos_cache=rb_read_pos; - - if (read_pos_cache==rb_write_pos) { - todo=rb_len-1; - } else if (read_pos_cache>rb_write_pos) { - - todo=read_pos_cache-rb_write_pos-1; - } else { - - todo=(rb_len-rb_write_pos)+read_pos_cache-1; - } - - return todo; - } - - //Stream virtual funcs - virtual int get_channel_count() const; - virtual bool mix(int32_t *p_dest, int p_frames); - - _FORCE_INLINE_ void _flush() { - rb_read_pos=0; - rb_write_pos=0; - } - - _FORCE_INLINE_ int16_t *get_write_buffer() { return read_buf; } - _FORCE_INLINE_ void write(uint32_t p_frames) { - - ERR_FAIL_COND(p_frames >= rb_len); - - switch(channels) { - case 1: { - - for(uint32_t i=0;i<p_frames;i++) { - - rb[ rb_write_pos ] = read_buf[i]; - rb_write_pos=(rb_write_pos+1)&rb_mask; - } - } break; - case 2: { - - for(uint32_t i=0;i<p_frames;i++) { - - rb[ (rb_write_pos<<1)+0 ] = read_buf[(i<<1)+0]; - rb[ (rb_write_pos<<1)+1 ] = read_buf[(i<<1)+1]; - rb_write_pos=(rb_write_pos+1)&rb_mask; - } - } break; - case 4: { - - for(uint32_t i=0;i<p_frames;i++) { - - rb[ (rb_write_pos<<2)+0 ] = read_buf[(i<<2)+0]; - rb[ (rb_write_pos<<2)+1 ] = read_buf[(i<<2)+1]; - rb[ (rb_write_pos<<2)+2 ] = read_buf[(i<<2)+2]; - rb[ (rb_write_pos<<2)+3 ] = read_buf[(i<<2)+3]; - rb_write_pos=(rb_write_pos+1)&rb_mask; - } - } break; - case 6: { - - for(uint32_t i=0;i<p_frames;i++) { - - rb[ (rb_write_pos*6)+0 ] = read_buf[(i*6)+0]; - rb[ (rb_write_pos*6)+1 ] = read_buf[(i*6)+1]; - rb[ (rb_write_pos*6)+2 ] = read_buf[(i*6)+2]; - rb[ (rb_write_pos*6)+3 ] = read_buf[(i*6)+3]; - rb[ (rb_write_pos*6)+4 ] = read_buf[(i*6)+4]; - rb[ (rb_write_pos*6)+5 ] = read_buf[(i*6)+5]; - rb_write_pos=(rb_write_pos+1)&rb_mask; - } - } break; - - - } - - } - - virtual bool _can_mix() const =0; - - _FORCE_INLINE_ bool _is_ready() const{ - return rb!=NULL; - } - - Error _setup(int p_channels,int p_mix_rate,int p_minbuff_needed=-1); - void _clear(); - -public: - AudioStreamResampled(); - ~AudioStreamResampled(); -}; -#endif -#endif // AUDIO_STREAM_RESAMPLED_H |