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Diffstat (limited to 'modules/mpc/audio_stream_mpc.h')
| -rw-r--r-- | modules/mpc/audio_stream_mpc.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/modules/mpc/audio_stream_mpc.h b/modules/mpc/audio_stream_mpc.h new file mode 100644 index 0000000000..c982bdc358 --- /dev/null +++ b/modules/mpc/audio_stream_mpc.h @@ -0,0 +1,146 @@ +/*************************************************************************/ +/* audio_stream_mpc.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* http://www.godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */ +/* */ +/* 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_MPC_H +#define AUDIO_STREAM_MPC_H + +#include "io/resource_loader.h" +#include "os/file_access.h" +#include "os/thread_safe.h" +#include "scene/resources/audio_stream.h" + +#include <mpc/mpcdec.h> + +class AudioStreamPlaybackMPC : public AudioStreamPlayback { + + OBJ_TYPE( AudioStreamPlaybackMPC, AudioStreamPlayback ); + + bool preload; + FileAccess *f; + String file; + DVector<uint8_t> data; + int data_ofs; + int streamlen; + + + bool active; + bool paused; + bool loop; + int loops; + + // mpc + mpc_reader reader; + mpc_demux* demux; + mpc_streaminfo si; + MPC_SAMPLE_FORMAT sample_buffer[MPC_DECODER_BUFFER_LENGTH]; + + static mpc_int32_t _mpc_read(mpc_reader *p_reader,void *p_dst, mpc_int32_t p_bytes); + static mpc_bool_t _mpc_seek(mpc_reader *p_reader,mpc_int32_t p_offset); + static mpc_int32_t _mpc_tell(mpc_reader *p_reader); + static mpc_int32_t _mpc_get_size(mpc_reader *p_reader); + static mpc_bool_t _mpc_canseek(mpc_reader *p_reader); + + int stream_min_size; + int stream_rate; + int stream_channels; + +protected: + Error _open_file(); + void _close_file(); + int _read_file(void *p_dst,int p_bytes); + bool _seek_file(int p_pos); + int _tell_file() const; + int _sizeof_file() const; + bool _canseek_file() const; + + + Error _reload(); + static void _bind_methods(); + +public: + + void set_file(const String& p_file); + String get_file() const; + + virtual void play(float p_offset=0); + virtual void stop(); + virtual bool is_playing() const; + + + virtual void set_loop(bool p_enable); + virtual bool has_loop() const; + + virtual float get_length() const; + + virtual String get_stream_name() const; + + virtual int get_loop_count() const; + + virtual float get_pos() const; + virtual void seek_pos(float p_time); + + virtual int get_channels() const { return stream_channels; } + virtual int get_mix_rate() const { return stream_rate; } + + virtual int get_minimum_buffer_size() const { return stream_min_size; } + virtual int mix(int16_t* p_bufer,int p_frames); + + virtual void set_loop_restart_time(float p_time) { } + + AudioStreamPlaybackMPC(); + ~AudioStreamPlaybackMPC(); +}; + +class AudioStreamMPC : public AudioStream { + + OBJ_TYPE( AudioStreamMPC, AudioStream ); + + String file; +public: + + Ref<AudioStreamPlayback> instance_playback() { + Ref<AudioStreamPlaybackMPC> pb = memnew( AudioStreamPlaybackMPC ); + pb->set_file(file); + return pb; + } + + void set_file(const String& p_file) { file=p_file; } + + +}; + +class ResourceFormatLoaderAudioStreamMPC : public ResourceFormatLoader { +public: + virtual RES load(const String &p_path,const String& p_original_path="",Error *r_error=NULL); + virtual void get_recognized_extensions(List<String> *p_extensions) const; + virtual bool handles_type(const String& p_type) const; + virtual String get_resource_type(const String &p_path) const; + +}; + +#endif // AUDIO_STREAM_MPC_H |