5ad9be4c24
Rename user facing methods and variables as well as the corresponding C++ methods according to the folloming changes: * pos -> position * rot -> rotation * loc -> location C++ variables are left as is.
272 lines
8.5 KiB
C++
272 lines
8.5 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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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
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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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#include "os/file_access.h"
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
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#include "thirdparty/misc/stb_vorbis.c"
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#pragma GCC diagnostic pop
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void AudioStreamPlaybackOGGVorbis::_mix_internal(AudioFrame *p_buffer, int p_frames) {
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ERR_FAIL_COND(!active);
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int todo = p_frames;
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while (todo && active) {
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int mixed = stb_vorbis_get_samples_float_interleaved(ogg_stream, 2, (float *)p_buffer, todo * 2);
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if (vorbis_stream->channels == 1 && mixed > 0) {
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//mix mono to stereo
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for (int i = 0; i < mixed; i++) {
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p_buffer[i].r = p_buffer[i].l;
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}
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}
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todo -= mixed;
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frames_mixed += mixed;
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if (todo) {
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//end of file!
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if (vorbis_stream->loop) {
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//loop
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seek_pos(vorbis_stream->loop_offset);
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loops++;
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} else {
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for (int i = mixed; i < p_frames; i++) {
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p_buffer[i] = AudioFrame(0, 0);
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}
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active = false;
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}
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}
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}
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}
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float AudioStreamPlaybackOGGVorbis::get_stream_sampling_rate() {
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return vorbis_stream->sample_rate;
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}
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void AudioStreamPlaybackOGGVorbis::start(float p_from_pos) {
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active = true;
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seek_pos(p_from_pos);
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loops = 0;
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_begin_resample();
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}
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void AudioStreamPlaybackOGGVorbis::stop() {
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active = false;
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}
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bool AudioStreamPlaybackOGGVorbis::is_playing() const {
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return active;
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}
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int AudioStreamPlaybackOGGVorbis::get_loop_count() const {
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return loops;
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}
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float AudioStreamPlaybackOGGVorbis::get_position() const {
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return float(frames_mixed) / vorbis_stream->sample_rate;
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}
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void AudioStreamPlaybackOGGVorbis::seek_pos(float p_time) {
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if (!active)
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return;
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if (p_time >= get_length()) {
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p_time = 0;
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}
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frames_mixed = uint32_t(vorbis_stream->sample_rate * p_time);
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stb_vorbis_seek(ogg_stream, frames_mixed);
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}
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float AudioStreamPlaybackOGGVorbis::get_length() const {
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return vorbis_stream->length;
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}
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AudioStreamPlaybackOGGVorbis::~AudioStreamPlaybackOGGVorbis() {
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if (ogg_alloc.alloc_buffer) {
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stb_vorbis_close(ogg_stream);
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AudioServer::get_singleton()->audio_data_free(ogg_alloc.alloc_buffer);
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}
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}
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Ref<AudioStreamPlayback> AudioStreamOGGVorbis::instance_playback() {
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Ref<AudioStreamPlaybackOGGVorbis> ovs;
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printf("instance at %p, data %p\n", this, data);
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ERR_FAIL_COND_V(data == NULL, ovs);
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ovs.instance();
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ovs->vorbis_stream = Ref<AudioStreamOGGVorbis>(this);
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ovs->ogg_alloc.alloc_buffer = (char *)AudioServer::get_singleton()->audio_data_alloc(decode_mem_size);
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ovs->ogg_alloc.alloc_buffer_length_in_bytes = decode_mem_size;
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ovs->frames_mixed = 0;
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ovs->active = false;
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ovs->loops = 0;
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int error;
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ovs->ogg_stream = stb_vorbis_open_memory((const unsigned char *)data, data_len, &error, &ovs->ogg_alloc);
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if (!ovs->ogg_stream) {
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AudioServer::get_singleton()->audio_data_free(ovs->ogg_alloc.alloc_buffer);
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ovs->ogg_alloc.alloc_buffer = NULL;
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ERR_FAIL_COND_V(!ovs->ogg_stream, Ref<AudioStreamPlaybackOGGVorbis>());
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}
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return ovs;
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}
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String AudioStreamOGGVorbis::get_stream_name() const {
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return ""; //return stream_name;
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}
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void AudioStreamOGGVorbis::set_data(const PoolVector<uint8_t> &p_data) {
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int src_data_len = p_data.size();
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#define MAX_TEST_MEM (1 << 20)
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uint32_t alloc_try = 1024;
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PoolVector<char> alloc_mem;
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PoolVector<char>::Write w;
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stb_vorbis *ogg_stream = NULL;
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stb_vorbis_alloc ogg_alloc;
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while (alloc_try < MAX_TEST_MEM) {
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alloc_mem.resize(alloc_try);
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w = alloc_mem.write();
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ogg_alloc.alloc_buffer = w.ptr();
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ogg_alloc.alloc_buffer_length_in_bytes = alloc_try;
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PoolVector<uint8_t>::Read src_datar = p_data.read();
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int error;
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ogg_stream = stb_vorbis_open_memory((const unsigned char *)src_datar.ptr(), src_data_len, &error, &ogg_alloc);
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if (!ogg_stream && error == VORBIS_outofmem) {
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w = PoolVector<char>::Write();
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alloc_try *= 2;
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} else {
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ERR_FAIL_COND(alloc_try == MAX_TEST_MEM);
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ERR_FAIL_COND(ogg_stream == NULL);
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stb_vorbis_info info = stb_vorbis_get_info(ogg_stream);
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channels = info.channels;
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sample_rate = info.sample_rate;
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decode_mem_size = alloc_try;
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//does this work? (it's less mem..)
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//decode_mem_size = ogg_alloc.alloc_buffer_length_in_bytes + info.setup_memory_required + info.temp_memory_required + info.max_frame_size;
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//print_line("succeeded "+itos(ogg_alloc.alloc_buffer_length_in_bytes)+" setup "+itos(info.setup_memory_required)+" setup temp "+itos(info.setup_temp_memory_required)+" temp "+itos(info.temp_memory_required)+" maxframe"+itos(info.max_frame_size));
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length = stb_vorbis_stream_length_in_seconds(ogg_stream);
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stb_vorbis_close(ogg_stream);
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data = AudioServer::get_singleton()->audio_data_alloc(src_data_len, src_datar.ptr());
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data_len = src_data_len;
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break;
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}
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}
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printf("create at %p, data %p\n", this, data);
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}
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PoolVector<uint8_t> AudioStreamOGGVorbis::get_data() const {
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PoolVector<uint8_t> vdata;
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if (data_len && data) {
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vdata.resize(data_len);
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{
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PoolVector<uint8_t>::Write w = vdata.write();
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copymem(w.ptr(), data, data_len);
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}
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}
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return vdata;
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}
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void AudioStreamOGGVorbis::set_loop(bool p_enable) {
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loop = p_enable;
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}
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bool AudioStreamOGGVorbis::has_loop() const {
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return loop;
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}
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void AudioStreamOGGVorbis::set_loop_offset(float p_seconds) {
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loop_offset = p_seconds;
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}
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float AudioStreamOGGVorbis::get_loop_offset() const {
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return loop_offset;
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}
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void AudioStreamOGGVorbis::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_data", "data"), &AudioStreamOGGVorbis::set_data);
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ClassDB::bind_method(D_METHOD("get_data"), &AudioStreamOGGVorbis::get_data);
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ClassDB::bind_method(D_METHOD("set_loop", "enable"), &AudioStreamOGGVorbis::set_loop);
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ClassDB::bind_method(D_METHOD("has_loop"), &AudioStreamOGGVorbis::has_loop);
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ClassDB::bind_method(D_METHOD("set_loop_offset", "seconds"), &AudioStreamOGGVorbis::set_loop_offset);
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ClassDB::bind_method(D_METHOD("get_loop_offset"), &AudioStreamOGGVorbis::get_loop_offset);
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ADD_PROPERTY(PropertyInfo(Variant::POOL_BYTE_ARRAY, "data", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_data", "get_data");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "loop", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_loop", "has_loop");
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ADD_PROPERTY(PropertyInfo(Variant::REAL, "loop_offset", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_loop_offset", "get_loop_offset");
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}
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AudioStreamOGGVorbis::AudioStreamOGGVorbis() {
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data = NULL;
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length = 0;
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sample_rate = 1;
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channels = 1;
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loop_offset = 0;
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decode_mem_size = 0;
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loop = false;
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}
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