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-rw-r--r--modules/opus/audio_stream_opus.cpp379
1 files changed, 0 insertions, 379 deletions
diff --git a/modules/opus/audio_stream_opus.cpp b/modules/opus/audio_stream_opus.cpp
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index a983edee91..0000000000
--- a/modules/opus/audio_stream_opus.cpp
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@@ -1,379 +0,0 @@
-/*************************************************************************/
-/* audio_stream_opus.cpp */
-/*************************************************************************/
-/* This file is part of: */
-/* GODOT ENGINE */
-/* https://godotengine.org */
-/*************************************************************************/
-/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2020 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. */
-/*************************************************************************/
-
-#include "audio_stream_opus.h"
-
-/**
- @author George Marques <george@gmarqu.es>
-*/
-
-const float AudioStreamPlaybackOpus::osrate = 48000.0f;
-
-int AudioStreamPlaybackOpus::_op_read_func(void *_stream, unsigned char *_ptr, int _nbytes) {
- FileAccess *fa = (FileAccess *)_stream;
-
- if (fa->eof_reached())
- return 0;
-
- uint8_t *dst = (uint8_t *)_ptr;
-
- int read = fa->get_buffer(dst, _nbytes);
-
- return read;
-}
-
-int AudioStreamPlaybackOpus::_op_seek_func(void *_stream, opus_int64 _offset, int _whence) {
-
-#ifdef SEEK_SET
- FileAccess *fa = (FileAccess *)_stream;
-
- switch (_whence) {
- case SEEK_SET: {
- fa->seek(_offset);
- } break;
- case SEEK_CUR: {
- fa->seek(fa->get_position() + _offset);
- } break;
- case SEEK_END: {
- fa->seek_end(_offset);
- } break;
- default: {
- ERR_PRINT("Opus seek function failure: Unexpected value in _whence\n");
- }
- }
- int ret = fa->eof_reached() ? -1 : 0;
- return ret;
-#else
- return -1; // no seeking
-#endif
-}
-
-int AudioStreamPlaybackOpus::_op_close_func(void *_stream) {
- if (!_stream)
- return 0;
- FileAccess *fa = (FileAccess *)_stream;
- if (fa->is_open())
- fa->close();
- return 0;
-}
-
-opus_int64 AudioStreamPlaybackOpus::_op_tell_func(void *_stream) {
- FileAccess *_fa = (FileAccess *)_stream;
- return (opus_int64)_fa->get_position();
-}
-
-void AudioStreamPlaybackOpus::_clear_stream() {
- if (!stream_loaded)
- return;
-
- op_free(opus_file);
- _close_file();
-
- stream_loaded = false;
- stream_channels = 1;
- playing = false;
-}
-
-void AudioStreamPlaybackOpus::_close_file() {
- if (f) {
- memdelete(f);
- f = NULL;
- }
-}
-
-Error AudioStreamPlaybackOpus::_load_stream() {
-
- ERR_FAIL_COND_V(!stream_valid, ERR_UNCONFIGURED);
-
- _clear_stream();
- if (file == "")
- return ERR_INVALID_DATA;
-
- Error err;
- f = FileAccess::open(file, FileAccess::READ, &err);
-
- ERR_FAIL_COND_V_MSG(err, err, "Cannot open file '" + file + "'.");
-
- int _err = 0;
-
- opus_file = op_open_callbacks(f, &_op_callbacks, NULL, 0, &_err);
-
- switch (_err) {
- case OP_EREAD: { // - Can't read the file.
- memdelete(f);
- f = NULL;
- ERR_FAIL_V(ERR_FILE_CANT_READ);
- } break;
- case OP_EVERSION: // - Unrecognized version number.
- case OP_ENOTFORMAT: // - Stream is not Opus data.
- case OP_EIMPL: { // - Stream used non-implemented feature.
- memdelete(f);
- f = NULL;
- ERR_FAIL_V(ERR_FILE_UNRECOGNIZED);
- } break;
- case OP_EBADLINK: // - Failed to find old data after seeking.
- case OP_EBADTIMESTAMP: // - Timestamp failed the validity checks.
- case OP_EBADHEADER: { // - Invalid or missing Opus bitstream header.
- memdelete(f);
- f = NULL;
- ERR_FAIL_V(ERR_FILE_CORRUPT);
- } break;
- case OP_EFAULT: { // - Internal logic fault; indicates a bug or heap/stack corruption.
- memdelete(f);
- f = NULL;
- ERR_FAIL_V(ERR_BUG);
- } break;
- }
- repeats = 0;
- stream_loaded = true;
-
- return OK;
-}
-
-AudioStreamPlaybackOpus::AudioStreamPlaybackOpus() {
- loops = false;
- playing = false;
- f = NULL;
- stream_loaded = false;
- stream_valid = false;
- repeats = 0;
- paused = true;
- stream_channels = 0;
- current_section = 0;
- length = 0;
- loop_restart_time = 0;
- pre_skip = 0;
-
- _op_callbacks.read = _op_read_func;
- _op_callbacks.seek = _op_seek_func;
- _op_callbacks.tell = _op_tell_func;
- _op_callbacks.close = _op_close_func;
-}
-
-Error AudioStreamPlaybackOpus::set_file(const String &p_file) {
- file = p_file;
- stream_valid = false;
- Error err;
- f = FileAccess::open(file, FileAccess::READ, &err);
-
- ERR_FAIL_COND_V_MSG(err, err, "Cannot open file '" + file + "'.");
-
- int _err;
-
- opus_file = op_open_callbacks(f, &_op_callbacks, NULL, 0, &_err);
-
- switch (_err) {
- case OP_EREAD: { // - Can't read the file.
- memdelete(f);
- f = NULL;
- ERR_FAIL_V(ERR_FILE_CANT_READ);
- } break;
- case OP_EVERSION: // - Unrecognized version number.
- case OP_ENOTFORMAT: // - Stream is not Opus data.
- case OP_EIMPL: { // - Stream used non-implemented feature.
- memdelete(f);
- f = NULL;
- ERR_FAIL_V(ERR_FILE_UNRECOGNIZED);
- } break;
- case OP_EBADLINK: // - Failed to find old data after seeking.
- case OP_EBADTIMESTAMP: // - Timestamp failed the validity checks.
- case OP_EBADHEADER: { // - Invalid or missing Opus bitstream header.
- memdelete(f);
- f = NULL;
- ERR_FAIL_V(ERR_FILE_CORRUPT);
- } break;
- case OP_EFAULT: { // - Internal logic fault; indicates a bug or heap/stack corruption.
- memdelete(f);
- f = NULL;
- ERR_FAIL_V(ERR_BUG);
- } break;
- }
-
- const OpusHead *oinfo = op_head(opus_file, -1);
-
- stream_channels = oinfo->channel_count;
- pre_skip = oinfo->pre_skip;
- frames_mixed = pre_skip;
- ogg_int64_t len = op_pcm_total(opus_file, -1);
- if (len < 0) {
- length = 0;
- } else {
- length = (len / osrate);
- }
-
- op_free(opus_file);
- memdelete(f);
- f = NULL;
- stream_valid = true;
-
- return OK;
-}
-
-void AudioStreamPlaybackOpus::play(float p_from) {
- if (playing)
- stop();
-
- if (_load_stream() != OK)
- return;
-
- frames_mixed = pre_skip;
- playing = true;
- if (p_from > 0) {
- seek(p_from);
- }
-}
-
-void AudioStreamPlaybackOpus::stop() {
- _clear_stream();
- playing = false;
-}
-
-void AudioStreamPlaybackOpus::seek(float p_time) {
- if (!playing) return;
- ogg_int64_t pcm_offset = (ogg_int64_t)(p_time * osrate);
- bool ok = op_pcm_seek(opus_file, pcm_offset) == 0;
- if (!ok) {
- ERR_PRINT("Seek time over stream size.");
- return;
- }
- frames_mixed = osrate * p_time;
-}
-
-int AudioStreamPlaybackOpus::mix(int16_t *p_buffer, int p_frames) {
- if (!playing)
- return 0;
-
- int total = p_frames;
-
- while (true) {
-
- int todo = p_frames;
-
- if (todo < MIN_MIX) {
- break;
- }
-
- int ret = op_read(opus_file, (opus_int16 *)p_buffer, todo * stream_channels, &current_section);
- if (ret < 0) {
- playing = false;
- ERR_BREAK_MSG(ret < 0, "Error reading Opus file: " + file + ".");
- } else if (ret == 0) { // end of song, reload?
- op_free(opus_file);
-
- _close_file();
-
- f = FileAccess::open(file, FileAccess::READ);
-
- int errv = 0;
- opus_file = op_open_callbacks(f, &_op_callbacks, NULL, 0, &errv);
- if (errv != 0) {
- playing = false;
- break; // :(
- }
-
- if (!has_loop()) {
- playing = false;
- repeats = 1;
- break;
- }
-
- if (loop_restart_time) {
- bool ok = op_pcm_seek(opus_file, (loop_restart_time * osrate) + pre_skip) == 0;
- if (!ok) {
- playing = false;
- ERR_PRINT("Loop restart time rejected");
- }
-
- frames_mixed = (loop_restart_time * osrate) + pre_skip;
- } else {
- frames_mixed = pre_skip;
- }
- repeats++;
- continue;
- }
-
- stream_channels = op_head(opus_file, current_section)->channel_count;
-
- frames_mixed += ret;
-
- p_buffer += ret * stream_channels;
- p_frames -= ret;
- }
-
- return total - p_frames;
-}
-
-float AudioStreamPlaybackOpus::get_length() const {
- if (!stream_loaded) {
- if (const_cast<AudioStreamPlaybackOpus *>(this)->_load_stream() != OK)
- return 0;
- }
- return length;
-}
-
-float AudioStreamPlaybackOpus::get_playback_position() const {
-
- int32_t frames = int32_t(frames_mixed);
- if (frames < 0)
- frames = 0;
- return double(frames) / osrate;
-}
-
-int AudioStreamPlaybackOpus::get_minimum_buffer_size() const {
- return MIN_MIX;
-}
-
-AudioStreamPlaybackOpus::~AudioStreamPlaybackOpus() {
- _clear_stream();
-}
-
-RES ResourceFormatLoaderAudioStreamOpus::load(const String &p_path, const String &p_original_path, Error *r_error, bool p_use_sub_threads, float *r_progress) {
- if (r_error)
- *r_error = OK;
-
- AudioStreamOpus *opus_stream = memnew(AudioStreamOpus);
- opus_stream->set_file(p_path);
- return Ref<AudioStreamOpus>(opus_stream);
-}
-
-void ResourceFormatLoaderAudioStreamOpus::get_recognized_extensions(List<String> *p_extensions) const {
-
- p_extensions->push_back("opus");
-}
-String ResourceFormatLoaderAudioStreamOpus::get_resource_type(const String &p_path) const {
-
- if (p_path.get_extension().to_lower() == "opus")
- return "AudioStreamOpus";
- return "";
-}
-
-bool ResourceFormatLoaderAudioStreamOpus::handles_type(const String &p_type) const {
- return (p_type == "AudioStream" || p_type == "AudioStreamOpus");
-}
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