partial work for storing mp3 length

This commit is contained in:
Dave Schuyler 2001-11-16 00:48:03 +00:00
parent 215d23175e
commit 8b84a51bf7
2 changed files with 49 additions and 21 deletions

View File

@ -23,17 +23,42 @@
#include "milesAudioSound.h"
#include "milesAudioManager.h"
#ifndef NDEBUG //[
namespace {
char
getStatusChar(HAUDIO audio) {
if (!audio) {
return '0'; // NULL.
}
switch (AIL_quick_status(audio)) {
case QSTAT_LOADED:
case QSTAT_DONE:
return 'r'; // Ready.
case QSTAT_PLAYING:
return 'p'; // Playing.
default:
return 'x'; // bad.
}
}
}
#define miles_audio_debug(x) \
audio_debug("MilesAudioSound "<<getStatusChar(_audio)<<" \""<<get_name() \
<<"\" "<< x )
#else //][
#define miles_audio_debug(x) ((void)0)
#endif //]
MilesAudioSound::
MilesAudioSound(MilesAudioManager* manager,
HAUDIO audio, string file_name)
HAUDIO audio, string file_name, float length)
: _manager(manager), _file_name(file_name),
_start_time(0), _volume(1.0), _balance(0),
_loop_count(1),
_loop_count(1), _length(length),
_active(true), _paused(false) {
nassertv(audio);
nassertv(!file_name.empty());
audio_debug("MilesAudioSound::MilesAudioSound(manager=0x"<<(void*)&manager
audio_debug("MilesAudioSound(manager=0x"<<(void*)&manager
<<", audio=0x"<<(void*)audio<<", file_name="<<file_name<<")");
// Make our own copy of the sound header data:
_audio=AIL_quick_copy(audio);
@ -41,14 +66,14 @@ MilesAudioSound(MilesAudioManager* manager,
MilesAudioSound::
~MilesAudioSound() {
audio_debug("MilesAudioSound::~MilesAudioSound() "<<get_name());
miles_audio_debug("~MilesAudioSound()");
_manager->release_sound(this);
AIL_quick_unload(_audio);
}
void MilesAudioSound::
play() {
audio_debug("MilesAudioSound::play() "<<get_name());
miles_audio_debug("play()");
if (_active) {
// Start playing:
if (AIL_quick_play(_audio, _loop_count)) {
@ -65,25 +90,25 @@ play() {
void MilesAudioSound::
stop() {
audio_debug("MilesAudioSound::stop() "<<get_name());
miles_audio_debug("stop()");
AIL_quick_halt(_audio);
}
void MilesAudioSound::
set_loop(bool loop) {
audio_debug("MilesAudioSound::set_loop(loop="<<loop<<") "<<get_name());
miles_audio_debug("set_loop(loop="<<loop<<")");
set_loop_count((loop)?0:1);
}
bool MilesAudioSound::
get_loop() const {
audio_debug("MilesAudioSound::get_loop() returning "<<(_loop_count==0));
miles_audio_debug("get_loop() returning "<<(_loop_count==0));
return _loop_count == 0;
}
void MilesAudioSound::
set_loop_count(unsigned long loop_count) {
audio_debug("MilesAudioSound::set_loop_count(loop_count="<<loop_count<<") "<<get_name());
miles_audio_debug("set_loop_count(loop_count="<<loop_count<<")");
if (_loop_count!=loop_count) {
_loop_count=loop_count;
if (status()==PLAYING) {
@ -102,13 +127,13 @@ set_loop_count(unsigned long loop_count) {
unsigned long MilesAudioSound::
get_loop_count() const {
audio_debug("MilesAudioSound::get_loop_count() returning "<<_loop_count);
miles_audio_debug("get_loop_count() returning "<<_loop_count);
return _loop_count;
}
void MilesAudioSound::
set_time(float start_time) {
audio_debug("MilesAudioSound::set_time(start_time="<<start_time<<") "<<get_name());
miles_audio_debug("set_time(start_time="<<start_time<<")");
_start_time=start_time;
S32 milisecond_start_time=S32(1000*_start_time);
AIL_quick_set_ms_position(_audio, milisecond_start_time);
@ -116,13 +141,13 @@ set_time(float start_time) {
float MilesAudioSound::
get_time() const {
audio_debug("MilesAudioSound::get_time() returning "<<_start_time);
miles_audio_debug("get_time() returning "<<_start_time);
return _start_time;
}
void MilesAudioSound::
set_volume(float volume) {
audio_debug("MilesAudioSound::set_volume(volume="<<volume<<") "<<get_name());
miles_audio_debug("set_volume(volume="<<volume<<")");
// *Set the volume even if our volume is not changing, because the
// *MilesAudioManager will call set_volume when *its* volume changes.
// Set the volume:
@ -151,13 +176,13 @@ set_volume(float volume) {
float MilesAudioSound::
get_volume() const {
audio_debug("MilesAudioSound::get_volume() returning "<<_volume);
miles_audio_debug("get_volume() returning "<<_volume);
return _volume;
}
void MilesAudioSound::
set_active(bool active) {
audio_debug("MilesAudioSound::set_active(active="<<active<<") "<<get_name());
miles_audio_debug("set_active(active="<<active<<")");
if (_active!=active) {
_active=active;
if (_active) {
@ -184,13 +209,13 @@ set_active(bool active) {
bool MilesAudioSound::
get_active() const {
audio_debug("MilesAudioSound::get_active() returning "<<_active);
miles_audio_debug("get_active() returning "<<_active);
return _active;
}
void MilesAudioSound::
set_balance(float balance_right) {
audio_debug("MilesAudioSound::set_balance(balance_right="<<balance_right<<") "<<get_name());
miles_audio_debug("set_balance(balance_right="<<balance_right<<")");
_balance=balance_right;
// Call set_volume to effect the change:
set_volume(_volume);
@ -204,9 +229,11 @@ get_balance() const {
float MilesAudioSound::
length() const {
float length=((float)AIL_quick_ms_length(_audio))*0.001;
audio_debug("MilesAudioSound::length() returning "<<length);
return length;
if (!_length) {
_length=((float)AIL_quick_ms_length(_audio))*0.001;
}
miles_audio_debug("length() returning "<<_length);
return _length;
}
const string& MilesAudioSound::

View File

@ -83,13 +83,14 @@ private:
float _start_time; // 0..length()
float _volume; // 0..1.0
float _balance; // -1..1
mutable float _length; // in seconds.
unsigned long _loop_count;
string _file_name;
bool _active;
bool _paused;
MilesAudioSound(MilesAudioManager* manager,
HAUDIO audio, string file_name);
HAUDIO audio, string file_name, float length=0.0);
friend class MilesAudioManager;
};