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Code Issues 121 Wiki Activity

build 180429. vorbis ogg audio data format support, minor bug fixes

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tmj-fstate
2018-04-29 21:51:13 +02:00
parent b9be22eb25
commit 1d481acbf3
5 changed files with 5493 additions and 9 deletions
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32
audio.cpp
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@@ -15,6 +15,8 @@ http://mozilla.org/MPL/2.0/.
#include "logs.h"
#include "resourcemanager.h"
#define STB_VORBIS_HEADER_ONLY
#include "stb_vorbis.c"
#define DR_WAV_IMPLEMENTATION
#include "dr_wav.h"
#define DR_FLAC_IMPLEMENTATION
@@ -27,8 +29,28 @@ openal_buffer::openal_buffer( std::string const &Filename ) :
::alGenBuffers( 1, &id );
// fetch audio data
if( Filename.substr( Filename.rfind( '.' ) ) == ".wav" ) {
// .wav file
if( Filename.substr( Filename.rfind( '.' ) ) == ".ogg" ) {
// vorbis .ogg audio data file
// TBD, TODO: customized vorbis_decode to avoid unnecessary shuffling around of the decoded data
int channels, samplerate;
std::int16_t *filedata { nullptr };
auto const samplecount{ stb_vorbis_decode_filename( Filename.c_str(), &channels, &samplerate, &filedata ) };
if( samplecount > 0 ) {
rate = samplerate;
data.resize( samplecount );
std::copy( filedata, filedata + samplecount, std::begin( data ) );
free( filedata );
if( channels > 1 ) {
narrow_to_mono( channels );
data.resize( samplecount / channels );
}
}
else {
ErrorLog( "Bad file: failed do load audio file \"" + Filename + "\"", logtype::file );
}
}
else if( Filename.substr( Filename.rfind( '.' ) ) == ".wav" ) {
// .wav audio data file
auto *file { drwav_open_file( Filename.c_str() ) };
if( file != nullptr ) {
rate = file->sampleRate;
@@ -49,8 +71,8 @@ openal_buffer::openal_buffer( std::string const &Filename ) :
// we're done with the disk data
drwav_close( file );
}
else {
// .flac or .ogg file
else if( Filename.substr( Filename.rfind( '.' ) ) == ".flac" ) {
// .flac audio data file
auto *file { drflac_open_file( Filename.c_str() ) };
if( file != nullptr ) {
rate = file->sampleRate;
@@ -209,7 +231,7 @@ buffer_manager::find_buffer( std::string const &Buffername ) const {
std::string
buffer_manager::find_file( std::string const &Filename ) const {
std::vector<std::string> const extensions { ".wav", ".flac", ".ogg" };
std::vector<std::string> const extensions { ".ogg", ".flac", ".wav" };
for( auto const &extension : extensions ) {
if( FileExists( Filename + extension ) ) {