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https://github.com/godotengine/godot
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07e9741425
This push changes the binary and XML formats and bumps the major version to 2.0. As such, files saved in this version WILL NO LONGER WORK IN PREVIOUS VERSIONS. This compatibility breakage with older versions was required in order to properly provide project refactoring tools. If I were you, unless you are brave, I would wait a week or two before pulling, in case of bugs :) Summary of Changes -New Filesystem dock, with filesystem & tree view modes. -New refactoring tools, to change or fix dependencies. -Quick search dialog, to quickly search any file
412 lines
9 KiB
C++
412 lines
9 KiB
C++
/*************************************************************************/
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/* audio_stream_ogg_vorbis.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2015 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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#include "audio_stream_ogg_vorbis.h"
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size_t AudioStreamOGGVorbis::_ov_read_func(void *p_dst,size_t p_data, size_t p_count, void *_f) {
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//printf("read to %p, %i bytes, %i nmemb, %p\n",p_dst,p_data,p_count,_f);
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FileAccess *fa=(FileAccess*)_f;
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size_t read_total = p_data*p_count;
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if (fa->eof_reached())
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return 0;
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uint8_t *dst=(uint8_t*)p_dst;
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int read = fa->get_buffer(dst, read_total);
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return read;
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}
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int AudioStreamOGGVorbis::_ov_seek_func(void *_f,ogg_int64_t offs, int whence) {
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//printf("seek to %p, offs %i, whence %i\n",_f,(int)offs,whence);
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#ifdef SEEK_SET
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//printf("seek set defined\n");
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FileAccess *fa=(FileAccess*)_f;
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if (whence==SEEK_SET) {
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fa->seek(offs);
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} else if (whence==SEEK_CUR) {
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fa->seek(fa->get_pos()+offs);
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} else if (whence==SEEK_END) {
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fa->seek_end(offs);
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} else {
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ERR_PRINT("BUG, wtf was whence set to?\n");
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}
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int ret=fa->eof_reached()?-1:0;
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//printf("returning %i\n",ret);
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return ret;
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#else
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return -1; // no seeking
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#endif
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}
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int AudioStreamOGGVorbis::_ov_close_func(void *_f) {
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// printf("close %p\n",_f);
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if (!_f)
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return 0;
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FileAccess *fa=(FileAccess*)_f;
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if (fa->is_open())
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fa->close();
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return 0;
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}
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long AudioStreamOGGVorbis::_ov_tell_func(void *_f) {
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//printf("close %p\n",_f);
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FileAccess *fa=(FileAccess*)_f;
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return fa->get_pos();
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}
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bool AudioStreamOGGVorbis::_can_mix() const {
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return /*playing &&*/ !paused;
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}
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void AudioStreamOGGVorbis::update() {
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_THREAD_SAFE_METHOD_
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if (!playing && !setting_up)
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return;
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while (true) {
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int todo = get_todo();
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if (todo==0 || todo<MIN_MIX)
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break;
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//printf("to mix %i - mix me %i bytes\n",to_mix,to_mix*stream_channels*sizeof(int16_t));
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#ifdef BIG_ENDIAN_ENABLED
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long ret=ov_read(&vf,(char*)get_write_buffer(),todo*stream_channels*sizeof(int16_t), 1, 2, 1, ¤t_section);
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#else
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long ret=ov_read(&vf,(char*)get_write_buffer(),todo*stream_channels*sizeof(int16_t), 0, 2, 1, ¤t_section);
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#endif
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if (ret<0) {
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playing = false;
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setting_up=false;
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ERR_EXPLAIN("Error reading OGG Vorbis File: "+file);
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ERR_BREAK(ret<0);
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} else if (ret==0) { // end of song, reload?
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ov_clear(&vf);
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_close_file();
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if (!has_loop()) {
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playing=false;
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setting_up=false;
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repeats=1;
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return;
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}
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f=FileAccess::open(file,FileAccess::READ);
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int errv = ov_open_callbacks(f,&vf,NULL,0,_ov_callbacks);
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if (errv!=0) {
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playing=false;
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setting_up=false;
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return; // :(
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}
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frames_mixed=0;
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repeats++;
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continue;
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}
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ret/=stream_channels;
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ret/=sizeof(int16_t);
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frames_mixed+=ret;
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write(ret);
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}
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}
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void AudioStreamOGGVorbis::play() {
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_THREAD_SAFE_METHOD_
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if (playing)
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stop();
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if (_load_stream()!=OK)
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return;
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frames_mixed=0;
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playing=false;
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setting_up=true;
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update();
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if (!setting_up)
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return;
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setting_up=false;
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playing=true;
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}
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void AudioStreamOGGVorbis::_close_file() {
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if (f) {
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memdelete(f);
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f=NULL;
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}
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}
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void AudioStreamOGGVorbis::stop() {
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_THREAD_SAFE_METHOD_
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_clear_stream();
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playing=false;
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_clear();
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}
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AudioStreamOGGVorbis::UpdateMode AudioStreamOGGVorbis::get_update_mode() const {
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return UPDATE_THREAD;
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}
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bool AudioStreamOGGVorbis::is_playing() const {
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return playing || (get_total() - get_todo() -1 > 0);
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}
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float AudioStreamOGGVorbis::get_pos() const {
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int32_t frames = int32_t(frames_mixed) - (int32_t(get_total()) - get_todo());
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if (frames < 0)
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frames=0;
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return double(frames) / stream_srate;
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}
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void AudioStreamOGGVorbis::seek_pos(float p_time) {
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_THREAD_SAFE_METHOD_
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if (!playing)
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return;
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bool ok = ov_time_seek(&vf,p_time*1000)==0;
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ERR_FAIL_COND(!ok);
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frames_mixed=stream_srate*p_time;
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}
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String AudioStreamOGGVorbis::get_stream_name() const {
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return "";
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}
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void AudioStreamOGGVorbis::set_loop(bool p_enable) {
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loops=p_enable;
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}
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bool AudioStreamOGGVorbis::has_loop() const {
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return loops;
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}
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int AudioStreamOGGVorbis::get_loop_count() const {
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return repeats;
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}
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void AudioStreamOGGVorbis::set_file(const String& p_file) {
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file=p_file;
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}
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Error AudioStreamOGGVorbis::_load_stream() {
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_clear_stream();
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if (file=="")
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return ERR_INVALID_DATA;
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Error err;
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f=FileAccess::open(file,FileAccess::READ,&err);
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if (err) {
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ERR_FAIL_COND_V( err, err );
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}
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int errv = ov_open_callbacks(f,&vf,NULL,0,_ov_callbacks);
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const vorbis_info *vinfo=ov_info(&vf,-1);
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stream_channels=vinfo->channels;
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stream_srate=vinfo->rate;
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Error serr = _setup(stream_channels,stream_srate);
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if (serr) {
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_close_file();
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ERR_FAIL_V( ERR_INVALID_DATA );
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}
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switch(errv) {
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case OV_EREAD: { // - A read from media returned an error.
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_close_file();
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ERR_FAIL_V( ERR_FILE_CANT_READ );
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} break;
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case OV_EVERSION: // - Vorbis version mismatch.
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case OV_ENOTVORBIS: { // - Bitstream is not Vorbis data.
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_close_file();
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ERR_FAIL_V( ERR_FILE_UNRECOGNIZED );
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} break;
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case OV_EBADHEADER: { // - Invalid Vorbis bitstream header.
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_close_file();
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ERR_FAIL_V( ERR_FILE_CORRUPT );
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} break;
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case OV_EFAULT: { // - Internal logic fault; indicates a bug or heap/stack corruption.
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_close_file();
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ERR_FAIL_V( ERR_BUG );
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} break;
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}
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ogg_int64_t len = ov_time_total(&vf,-1);
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length=len/1000.0;
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repeats=0;
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stream_loaded=true;
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return OK;
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}
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float AudioStreamOGGVorbis::get_length() const {
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if (!stream_loaded) {
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if (const_cast<AudioStreamOGGVorbis*>(this)->_load_stream()!=OK)
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return 0;
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}
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return length;
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}
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void AudioStreamOGGVorbis::_clear_stream() {
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if (!stream_loaded)
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return;
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ov_clear(&vf);
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_close_file();
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stream_loaded=false;
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stream_channels=1;
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playing=false;
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}
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void AudioStreamOGGVorbis::set_paused(bool p_paused) {
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paused=p_paused;
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}
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bool AudioStreamOGGVorbis::is_paused(bool p_paused) const {
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return paused;
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}
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AudioStreamOGGVorbis::AudioStreamOGGVorbis() {
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loops=false;
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playing=false;
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_ov_callbacks.read_func=_ov_read_func;
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_ov_callbacks.seek_func=_ov_seek_func;
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_ov_callbacks.close_func=_ov_close_func;
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_ov_callbacks.tell_func=_ov_tell_func;
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f = NULL;
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stream_loaded=false;
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repeats=0;
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setting_up=false;
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paused=true;
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stream_channels=0;
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stream_srate=0;
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current_section=0;
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length=0;
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}
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AudioStreamOGGVorbis::~AudioStreamOGGVorbis() {
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_clear_stream();
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}
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RES ResourceFormatLoaderAudioStreamOGGVorbis::load(const String &p_path, const String& p_original_path, Error *r_error) {
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if (r_error)
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*r_error=OK;
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AudioStreamOGGVorbis *ogg_stream = memnew(AudioStreamOGGVorbis);
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ogg_stream->set_file(p_path);
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return Ref<AudioStreamOGGVorbis>(ogg_stream);
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}
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void ResourceFormatLoaderAudioStreamOGGVorbis::get_recognized_extensions(List<String> *p_extensions) const {
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p_extensions->push_back("ogg");
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}
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String ResourceFormatLoaderAudioStreamOGGVorbis::get_resource_type(const String &p_path) const {
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if (p_path.extension().to_lower()=="ogg")
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return "AudioStreamOGGVorbis";
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return "";
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}
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bool ResourceFormatLoaderAudioStreamOGGVorbis::handles_type(const String& p_type) const {
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return (p_type=="AudioStream" || p_type=="AudioStreamOGG" || p_type=="AudioStreamOGGVorbis");
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}
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