148 lines
5 KiB
C++
148 lines
5 KiB
C++
/*************************************************************************/
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/* audio_stream_speex.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef AUDIO_STREAM_SPEEX_H
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#define AUDIO_STREAM_SPEEX_H
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#include "io/resource_loader.h"
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#include "os/file_access.h"
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#include "os/thread_safe.h"
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#include "scene/resources/audio_stream.h"
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#include <speex/speex.h>
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#include <speex/speex_callbacks.h>
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#include <speex/speex_header.h>
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#include <speex/speex_stereo.h>
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// (akien) Prevents unbundling properly, but it's only for 2.1.x as speex
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// is dropped in 3.0+, so don't want to lose too much time on this.
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// Needed for speex_free (internal).
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#include "thirdparty/speex/os_support.h"
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#include <ogg/ogg.h>
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class AudioStreamPlaybackSpeex : public AudioStreamPlayback {
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OBJ_TYPE(AudioStreamPlaybackSpeex, AudioStreamPlayback);
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void *st;
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SpeexBits bits;
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Vector<uint8_t> data;
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int read_ofs;
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bool active;
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String filename;
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int loop_count;
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bool loops;
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int page_size;
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bool playing;
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bool packets_available;
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void unload();
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void reload();
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ogg_sync_state oy;
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ogg_page og;
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ogg_packet op;
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ogg_stream_state os;
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int nframes;
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int frame_size;
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int packet_no;
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ogg_int64_t page_granule, last_granule;
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int skip_samples, page_nb_packets;
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int stream_channels;
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int stream_srate;
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int stream_minbuff_size;
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void *process_header(ogg_packet *op, int *frame_size, int *rate, int *nframes, int *channels, int *extra_headers);
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static void _bind_methods();
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protected:
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//virtual bool _can_mix() const;
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Dictionary _get_bundled() const;
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void _set_bundled(const Dictionary &dict);
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public:
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void set_data(const Vector<uint8_t> &p_data);
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virtual void play(float p_from_pos = 0);
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virtual void stop();
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virtual bool is_playing() const;
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virtual void set_loop(bool p_enable);
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virtual bool has_loop() const;
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virtual float get_length() const;
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virtual String get_stream_name() const;
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virtual int get_loop_count() const;
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virtual float get_pos() const;
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virtual void seek_pos(float p_time);
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virtual int get_channels() const { return stream_channels; }
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virtual int get_mix_rate() const { return stream_srate; }
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virtual int get_minimum_buffer_size() const { return stream_minbuff_size; }
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virtual int mix(int16_t *p_bufer, int p_frames);
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virtual void set_loop_restart_time(float p_time) {} //no loop restart, ignore
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AudioStreamPlaybackSpeex();
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~AudioStreamPlaybackSpeex();
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};
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class AudioStreamSpeex : public AudioStream {
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OBJ_TYPE(AudioStreamSpeex, AudioStream);
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Vector<uint8_t> data;
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String file;
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public:
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Ref<AudioStreamPlayback> instance_playback() {
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Ref<AudioStreamPlaybackSpeex> pb = memnew(AudioStreamPlaybackSpeex);
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pb->set_data(data);
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return pb;
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}
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void set_file(const String &p_file);
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};
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class ResourceFormatLoaderAudioStreamSpeex : public ResourceFormatLoader {
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public:
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virtual RES load(const String &p_path, const String &p_original_path = "", Error *r_error = NULL);
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virtual void get_recognized_extensions(List<String> *p_extensions) const;
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virtual bool handles_type(const String &p_type) const;
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virtual String get_resource_type(const String &p_path) const;
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};
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#endif // AUDIO_STREAM_SPEEX_H
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