MPEGaudio:: MPEGaudio(MPEGstream *stream, bool initSDL) : sdl_audio(initSDL)
{
/* Initialize MPEG audio */
mpeg = stream;
initialize();
/* Just be paranoid. If all goes well, this will be set to true */
valid_stream = false;
/* Analyze the MPEG audio stream */
if ( loadheader() ) {
SDL_AudioSpec wanted;
WantedSpec(&wanted);
/* Calculate the samples per frame */
samplesperframe = 32*wanted.channels;
if( layer == 3 ) {
samplesperframe *= 18;
if ( version == 0 ) {
samplesperframe *= 2;
}
} else {
samplesperframe *= SCALEBLOCK;
if ( layer == 2 ) {
samplesperframe *= 3;
}
}
if ( sdl_audio ) {
/* Open the audio, get actual audio hardware format and convert */
bool audio_active;
SDL_AudioSpec actual;
audio_active = (SDL_OpenAudio(&wanted, &actual) == 0);
if ( audio_active ) {
ActualSpec(&actual);
valid_stream = true;
} else {
SetError(SDL_GetError());
}
SDL_PauseAudio(0);
} else { /* The stream is always valid if we don't initialize SDL */
valid_stream = true;
}
Volume(100);
}
/* For using system timestamp */
for (int i=0; i<N_TIMESTAMPS; i++)
timestamp[i] = -1;
}
MPEGaudio:: MPEGaudio(MPEGstream *stream, bool initSDL) : sdl_audio(initSDL)
{
/* Initialize MPEG audio */
mpeg = stream;
initialize();
/* Just be paranoid. If all goes well, this will be set to true */
valid_stream = false;
/* Analyze the MPEG audio stream */
if ( loadheader() )
{
PSPL_AUDIO_SPEC wanted;
WantedSpec(&wanted);
/* Calculate the samples per frame */
samplesperframe = 32 * wanted.channels;
if ( layer == 3 )
{
samplesperframe *= 18;
if ( version == 0 )
{
samplesperframe *= 2;
}
}
else
{
samplesperframe *= SCALEBLOCK;
if ( layer == 2 )
{
samplesperframe *= 3;
}
}
if ( sdl_audio )
{
/* ていうか、ここでSDL audio ( PSPL_OpenAudio() )呼ばれると, SDL mixer 的には都合が悪い */
/* Open the audio, get actual audio hardware format and convert */
bool audio_active;
PSPL_AUDIO_SPEC actual;
audio_active = (PSPL_OpenAudio(&wanted, &actual) == 0);
if ( audio_active )
{
ActualSpec(&actual);
valid_stream = true;
}
else
{
smpeg_SetError_bbb(SDL_GetError());
}
PSPL_PauseAudio(0);
}
else /* The stream is always valid if we don't initialize SDL */
{
valid_stream = true;
}
//volume = (SDL_MIX_MAXVOLUME);//Volume(100);
}
/* For using system timestamp */
{
int i;
for (i=0; i<N_TIMESTAMPS; i++)
{ timestamp[i] = -1;}
}
}
MPEGaudio:: MPEGaudio(MPEGstream *stream, bool initSDL)
: sdl_audio(initSDL)
, mpeg(stream)
, valid_stream(0)
, stereo(false)
, rate_in_s(0.0)
, frags_playing(0)
, frag_time(0)
#ifdef THREADED_AUDIO
, decoding(false)
, decode_thread(NULL)
#endif
{
memset(&sideinfo, '\0', sizeof (sideinfo));
/* Initialize MPEG audio */
initialize();
/* Just be paranoid. If all goes well, this will be set to true */
valid_stream = false;
/* Analyze the MPEG audio stream */
if ( loadheader() ) {
SDL_AudioSpec wanted;
WantedSpec(&wanted);
/* Calculate the samples per frame */
samplesperframe = 32*wanted.channels;
if( layer == 3 ) {
samplesperframe *= 18;
if ( version == 0 ) {
samplesperframe *= 2;
}
} else {
samplesperframe *= SCALEBLOCK;
if ( layer == 2 ) {
samplesperframe *= 3;
}
}
if ( sdl_audio ) {
/* Open the audio, get actual audio hardware format and convert */
bool audio_active;
SDL_AudioSpec actual;
audio_active = (SDL_OpenAudio(&wanted, &actual) == 0);
if ( audio_active ) {
ActualSpec(&actual);
valid_stream = true;
} else {
SetError(SDL_GetError());
}
SDL_PauseAudio(0);
} else { /* The stream is always valid if we don't initialize SDL */
valid_stream = true;
}
Volume(100);
}
/* For using system timestamp */
for (int i=0; i<N_TIMESTAMPS; i++)
timestamp[i] = -1;
}
