d8223ffa75
That year should bring the long-awaited OpenGL ES 3.0 compatible renderer
with state-of-the-art rendering techniques tuned to work as low as middle
end handheld devices - without compromising with the possibilities given
for higher end desktop games of course. Great times ahead for the Godot
community and the gamers that will play our games!
(cherry picked from commit c7bc44d5ad)
430 lines
9.9 KiB
C++
430 lines
9.9 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) 2007-2017 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 AudioStreamPlaybackOGGVorbis::_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 AudioStreamPlaybackOGGVorbis::_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 AudioStreamPlaybackOGGVorbis::_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 AudioStreamPlaybackOGGVorbis::_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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int AudioStreamPlaybackOGGVorbis::mix(int16_t* p_bufer,int p_frames) {
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if (!playing)
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return 0;
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int total=p_frames;
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while (true) {
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int todo = p_frames;
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if (todo==0 || todo<MIN_MIX) {
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break;
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}
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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*)p_bufer,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*)p_bufer,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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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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repeats=1;
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break;
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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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break;; // :(
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}
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if (loop_restart_time) {
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bool ok = ov_time_seek(&vf,loop_restart_time)==0;
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if (!ok) {
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playing=false;
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//ERR_EXPLAIN("loop restart time rejected");
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ERR_PRINT("loop restart time rejected")
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}
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frames_mixed=stream_srate*loop_restart_time;
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} else {
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frames_mixed=0;
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}
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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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p_bufer+=ret*stream_channels;
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p_frames-=ret;
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}
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return total-p_frames;
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}
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void AudioStreamPlaybackOGGVorbis::play(float p_from) {
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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=true;
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if (p_from>0) {
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seek_pos(p_from);
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}
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}
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void AudioStreamPlaybackOGGVorbis::_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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bool AudioStreamPlaybackOGGVorbis::is_playing() const {
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return playing;
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}
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void AudioStreamPlaybackOGGVorbis::stop() {
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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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float AudioStreamPlaybackOGGVorbis::get_pos() const {
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int32_t frames = int32_t(frames_mixed);
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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 AudioStreamPlaybackOGGVorbis::seek_pos(float p_time) {
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if (!playing)
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return;
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bool ok = ov_time_seek(&vf,p_time)==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 AudioStreamPlaybackOGGVorbis::get_stream_name() const {
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return "";
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}
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void AudioStreamPlaybackOGGVorbis::set_loop(bool p_enable) {
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loops=p_enable;
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}
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bool AudioStreamPlaybackOGGVorbis::has_loop() const {
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return loops;
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}
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int AudioStreamPlaybackOGGVorbis::get_loop_count() const {
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return repeats;
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}
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Error AudioStreamPlaybackOGGVorbis::set_file(const String& p_file) {
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file=p_file;
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stream_valid=false;
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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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switch(errv) {
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case OV_EREAD: { // - A read from media returned an error.
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memdelete(f); f=NULL;
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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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memdelete(f); f=NULL;
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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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memdelete(f); f=NULL;
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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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memdelete(f); f=NULL;
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ERR_FAIL_V( ERR_BUG );
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} break;
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}
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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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length = ov_time_total(&vf,-1);
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ov_clear(&vf);
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memdelete(f);
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f=NULL;
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stream_valid=true;
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return OK;
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}
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Error AudioStreamPlaybackOGGVorbis::_load_stream() {
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ERR_FAIL_COND_V(!stream_valid,ERR_UNCONFIGURED);
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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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switch(errv) {
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case OV_EREAD: { // - A read from media returned an error.
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memdelete(f); f=NULL;
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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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memdelete(f); f=NULL;
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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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memdelete(f); f=NULL;
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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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memdelete(f); f=NULL;
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ERR_FAIL_V( ERR_BUG );
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} break;
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}
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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 AudioStreamPlaybackOGGVorbis::get_length() const {
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if (!stream_loaded) {
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if (const_cast<AudioStreamPlaybackOGGVorbis*>(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 AudioStreamPlaybackOGGVorbis::_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 AudioStreamPlaybackOGGVorbis::set_paused(bool p_paused) {
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paused=p_paused;
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}
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bool AudioStreamPlaybackOGGVorbis::is_paused(bool p_paused) const {
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return paused;
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}
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AudioStreamPlaybackOGGVorbis::AudioStreamPlaybackOGGVorbis() {
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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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stream_valid=false;
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repeats=0;
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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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loop_restart_time=0;
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}
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AudioStreamPlaybackOGGVorbis::~AudioStreamPlaybackOGGVorbis() {
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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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