mirror of
https://github.com/godotengine/godot.git
synced 2024-12-03 09:52:18 +08:00
431 lines
9.9 KiB
C++
431 lines
9.9 KiB
C++
/*************************************************************************/
|
|
/* audio_stream_ogg_vorbis.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* http://www.godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2015 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. */
|
|
/*************************************************************************/
|
|
#include "audio_stream_ogg_vorbis.h"
|
|
|
|
|
|
|
|
size_t AudioStreamPlaybackOGGVorbis::_ov_read_func(void *p_dst,size_t p_data, size_t p_count, void *_f) {
|
|
|
|
//printf("read to %p, %i bytes, %i nmemb, %p\n",p_dst,p_data,p_count,_f);
|
|
FileAccess *fa=(FileAccess*)_f;
|
|
size_t read_total = p_data*p_count;
|
|
|
|
if (fa->eof_reached())
|
|
return 0;
|
|
|
|
uint8_t *dst=(uint8_t*)p_dst;
|
|
|
|
int read = fa->get_buffer(dst, read_total);
|
|
|
|
return read;
|
|
}
|
|
|
|
int AudioStreamPlaybackOGGVorbis::_ov_seek_func(void *_f,ogg_int64_t offs, int whence) {
|
|
|
|
//printf("seek to %p, offs %i, whence %i\n",_f,(int)offs,whence);
|
|
|
|
#ifdef SEEK_SET
|
|
//printf("seek set defined\n");
|
|
FileAccess *fa=(FileAccess*)_f;
|
|
|
|
if (whence==SEEK_SET) {
|
|
|
|
fa->seek(offs);
|
|
} else if (whence==SEEK_CUR) {
|
|
|
|
fa->seek(fa->get_pos()+offs);
|
|
} else if (whence==SEEK_END) {
|
|
|
|
fa->seek_end(offs);
|
|
} else {
|
|
|
|
ERR_PRINT("BUG, wtf was whence set to?\n");
|
|
}
|
|
int ret=fa->eof_reached()?-1:0;
|
|
//printf("returning %i\n",ret);
|
|
return ret;
|
|
|
|
#else
|
|
return -1; // no seeking
|
|
#endif
|
|
|
|
}
|
|
int AudioStreamPlaybackOGGVorbis::_ov_close_func(void *_f) {
|
|
|
|
// printf("close %p\n",_f);
|
|
if (!_f)
|
|
return 0;
|
|
FileAccess *fa=(FileAccess*)_f;
|
|
if (fa->is_open())
|
|
fa->close();
|
|
return 0;
|
|
}
|
|
long AudioStreamPlaybackOGGVorbis::_ov_tell_func(void *_f) {
|
|
|
|
//printf("close %p\n",_f);
|
|
|
|
FileAccess *fa=(FileAccess*)_f;
|
|
return fa->get_pos();
|
|
}
|
|
|
|
|
|
|
|
int AudioStreamPlaybackOGGVorbis::mix(int16_t* p_bufer,int p_frames) {
|
|
|
|
if (!playing)
|
|
return 0;
|
|
|
|
int total=p_frames;
|
|
while (true) {
|
|
|
|
int todo = p_frames;
|
|
|
|
if (todo==0 || todo<MIN_MIX) {
|
|
break;
|
|
}
|
|
|
|
//printf("to mix %i - mix me %i bytes\n",to_mix,to_mix*stream_channels*sizeof(int16_t));
|
|
|
|
#ifdef BIG_ENDIAN_ENABLED
|
|
long ret=ov_read(&vf,(char*)p_bufer,todo*stream_channels*sizeof(int16_t), 1, 2, 1, ¤t_section);
|
|
#else
|
|
long ret=ov_read(&vf,(char*)p_bufer,todo*stream_channels*sizeof(int16_t), 0, 2, 1, ¤t_section);
|
|
#endif
|
|
|
|
if (ret<0) {
|
|
|
|
playing = false;
|
|
ERR_EXPLAIN("Error reading OGG Vorbis File: "+file);
|
|
ERR_BREAK(ret<0);
|
|
} else if (ret==0) { // end of song, reload?
|
|
|
|
ov_clear(&vf);
|
|
|
|
_close_file();
|
|
|
|
if (!has_loop()) {
|
|
|
|
playing=false;
|
|
repeats=1;
|
|
break;
|
|
}
|
|
|
|
f=FileAccess::open(file,FileAccess::READ);
|
|
|
|
int errv = ov_open_callbacks(f,&vf,NULL,0,_ov_callbacks);
|
|
if (errv!=0) {
|
|
playing=false;
|
|
break;; // :(
|
|
}
|
|
|
|
if (loop_restart_time) {
|
|
bool ok = ov_time_seek(&vf,loop_restart_time)==0;
|
|
if (!ok) {
|
|
playing=false;
|
|
//ERR_EXPLAIN("loop restart time rejected");
|
|
ERR_PRINT("loop restart time rejected")
|
|
}
|
|
|
|
frames_mixed=stream_srate*loop_restart_time;
|
|
} else {
|
|
|
|
frames_mixed=0;
|
|
}
|
|
repeats++;
|
|
continue;
|
|
|
|
}
|
|
|
|
ret/=stream_channels;
|
|
ret/=sizeof(int16_t);
|
|
|
|
frames_mixed+=ret;
|
|
|
|
p_bufer+=ret*stream_channels;
|
|
p_frames-=ret;
|
|
|
|
}
|
|
|
|
return total-p_frames;
|
|
|
|
}
|
|
|
|
|
|
|
|
void AudioStreamPlaybackOGGVorbis::play(float p_from) {
|
|
|
|
if (playing)
|
|
stop();
|
|
|
|
if (_load_stream()!=OK)
|
|
return;
|
|
|
|
|
|
frames_mixed=0;
|
|
playing=true;
|
|
if (p_from>0) {
|
|
seek_pos(p_from);
|
|
}
|
|
}
|
|
|
|
void AudioStreamPlaybackOGGVorbis::_close_file() {
|
|
|
|
if (f) {
|
|
|
|
memdelete(f);
|
|
f=NULL;
|
|
}
|
|
}
|
|
|
|
bool AudioStreamPlaybackOGGVorbis::is_playing() const {
|
|
return playing;
|
|
}
|
|
void AudioStreamPlaybackOGGVorbis::stop() {
|
|
|
|
_clear_stream();
|
|
playing=false;
|
|
//_clear();
|
|
}
|
|
|
|
|
|
|
|
float AudioStreamPlaybackOGGVorbis::get_pos() const {
|
|
|
|
int32_t frames = int32_t(frames_mixed);
|
|
if (frames < 0)
|
|
frames=0;
|
|
return double(frames) / stream_srate;
|
|
}
|
|
|
|
void AudioStreamPlaybackOGGVorbis::seek_pos(float p_time) {
|
|
|
|
|
|
|
|
if (!playing)
|
|
return;
|
|
bool ok = ov_time_seek(&vf,p_time)==0;
|
|
ERR_FAIL_COND(!ok);
|
|
frames_mixed=stream_srate*p_time;
|
|
}
|
|
|
|
String AudioStreamPlaybackOGGVorbis::get_stream_name() const {
|
|
|
|
return "";
|
|
}
|
|
|
|
void AudioStreamPlaybackOGGVorbis::set_loop(bool p_enable) {
|
|
|
|
loops=p_enable;
|
|
}
|
|
|
|
bool AudioStreamPlaybackOGGVorbis::has_loop() const {
|
|
|
|
return loops;
|
|
}
|
|
|
|
int AudioStreamPlaybackOGGVorbis::get_loop_count() const {
|
|
return repeats;
|
|
}
|
|
|
|
|
|
Error AudioStreamPlaybackOGGVorbis::set_file(const String& p_file) {
|
|
|
|
file=p_file;
|
|
stream_valid=false;
|
|
Error err;
|
|
f=FileAccess::open(file,FileAccess::READ,&err);
|
|
|
|
if (err) {
|
|
ERR_FAIL_COND_V( err, err );
|
|
}
|
|
|
|
int errv = ov_open_callbacks(f,&vf,NULL,0,_ov_callbacks);
|
|
switch(errv) {
|
|
|
|
case OV_EREAD: { // - A read from media returned an error.
|
|
memdelete(f); f=NULL;
|
|
ERR_FAIL_V( ERR_FILE_CANT_READ );
|
|
} break;
|
|
case OV_EVERSION: // - Vorbis version mismatch.
|
|
case OV_ENOTVORBIS: { // - Bitstream is not Vorbis data.
|
|
memdelete(f); f=NULL;
|
|
ERR_FAIL_V( ERR_FILE_UNRECOGNIZED );
|
|
} break;
|
|
case OV_EBADHEADER: { // - Invalid Vorbis bitstream header.
|
|
memdelete(f); f=NULL;
|
|
ERR_FAIL_V( ERR_FILE_CORRUPT );
|
|
} break;
|
|
case OV_EFAULT: { // - Internal logic fault; indicates a bug or heap/stack corruption.
|
|
memdelete(f); f=NULL;
|
|
ERR_FAIL_V( ERR_BUG );
|
|
} break;
|
|
}
|
|
const vorbis_info *vinfo=ov_info(&vf,-1);
|
|
stream_channels=vinfo->channels;
|
|
stream_srate=vinfo->rate;
|
|
length = ov_time_total(&vf,-1);
|
|
ov_clear(&vf);
|
|
memdelete(f);
|
|
f=NULL;
|
|
stream_valid=true;
|
|
|
|
|
|
return OK;
|
|
}
|
|
|
|
Error AudioStreamPlaybackOGGVorbis::_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);
|
|
if (err) {
|
|
ERR_FAIL_COND_V( err, err );
|
|
}
|
|
|
|
int errv = ov_open_callbacks(f,&vf,NULL,0,_ov_callbacks);
|
|
switch(errv) {
|
|
|
|
case OV_EREAD: { // - A read from media returned an error.
|
|
memdelete(f); f=NULL;
|
|
ERR_FAIL_V( ERR_FILE_CANT_READ );
|
|
} break;
|
|
case OV_EVERSION: // - Vorbis version mismatch.
|
|
case OV_ENOTVORBIS: { // - Bitstream is not Vorbis data.
|
|
memdelete(f); f=NULL;
|
|
ERR_FAIL_V( ERR_FILE_UNRECOGNIZED );
|
|
} break;
|
|
case OV_EBADHEADER: { // - Invalid Vorbis bitstream header.
|
|
memdelete(f); f=NULL;
|
|
ERR_FAIL_V( ERR_FILE_CORRUPT );
|
|
} break;
|
|
case OV_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;
|
|
}
|
|
|
|
|
|
float AudioStreamPlaybackOGGVorbis::get_length() const {
|
|
|
|
if (!stream_loaded) {
|
|
if (const_cast<AudioStreamPlaybackOGGVorbis*>(this)->_load_stream()!=OK)
|
|
return 0;
|
|
}
|
|
return length;
|
|
}
|
|
|
|
void AudioStreamPlaybackOGGVorbis::_clear_stream() {
|
|
|
|
if (!stream_loaded)
|
|
return;
|
|
|
|
ov_clear(&vf);
|
|
_close_file();
|
|
|
|
stream_loaded=false;
|
|
//stream_channels=1;
|
|
playing=false;
|
|
}
|
|
|
|
void AudioStreamPlaybackOGGVorbis::set_paused(bool p_paused) {
|
|
|
|
paused=p_paused;
|
|
}
|
|
|
|
bool AudioStreamPlaybackOGGVorbis::is_paused(bool p_paused) const {
|
|
|
|
return paused;
|
|
}
|
|
|
|
|
|
AudioStreamPlaybackOGGVorbis::AudioStreamPlaybackOGGVorbis() {
|
|
|
|
loops=false;
|
|
playing=false;
|
|
_ov_callbacks.read_func=_ov_read_func;
|
|
_ov_callbacks.seek_func=_ov_seek_func;
|
|
_ov_callbacks.close_func=_ov_close_func;
|
|
_ov_callbacks.tell_func=_ov_tell_func;
|
|
f = NULL;
|
|
stream_loaded=false;
|
|
stream_valid=false;
|
|
repeats=0;
|
|
paused=true;
|
|
stream_channels=0;
|
|
stream_srate=0;
|
|
current_section=0;
|
|
length=0;
|
|
loop_restart_time=0;
|
|
}
|
|
|
|
|
|
AudioStreamPlaybackOGGVorbis::~AudioStreamPlaybackOGGVorbis() {
|
|
|
|
_clear_stream();
|
|
|
|
}
|
|
|
|
|
|
|
|
RES ResourceFormatLoaderAudioStreamOGGVorbis::load(const String &p_path, const String& p_original_path, Error *r_error) {
|
|
if (r_error)
|
|
*r_error=OK;
|
|
|
|
AudioStreamOGGVorbis *ogg_stream = memnew(AudioStreamOGGVorbis);
|
|
ogg_stream->set_file(p_path);
|
|
return Ref<AudioStreamOGGVorbis>(ogg_stream);
|
|
}
|
|
|
|
void ResourceFormatLoaderAudioStreamOGGVorbis::get_recognized_extensions(List<String> *p_extensions) const {
|
|
|
|
p_extensions->push_back("ogg");
|
|
}
|
|
String ResourceFormatLoaderAudioStreamOGGVorbis::get_resource_type(const String &p_path) const {
|
|
|
|
if (p_path.extension().to_lower()=="ogg")
|
|
return "AudioStreamOGGVorbis";
|
|
return "";
|
|
}
|
|
|
|
bool ResourceFormatLoaderAudioStreamOGGVorbis::handles_type(const String& p_type) const {
|
|
return (p_type=="AudioStream" || p_type=="AudioStreamOGG" || p_type=="AudioStreamOGGVorbis");
|
|
}
|
|
|