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Add Mixer X retrieve song length and position natively, if available

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This commit is contained in:
mazmazz 2018-08-31 13:52:01 -04:00
parent 0f9f055961
commit 059f364740
1 changed files with 12 additions and 0 deletions
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12
src/sdl/mixer_sound.c
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@ -776,6 +776,11 @@ UINT32 I_GetSongLength(void)
return 0;
else
{
#ifdef HAVE_MIXERX
double xlength = Mix_GetMusicTotalTime(music);
if (xlength >= 0)
return (UINT32)floor(xlength * 1000.);
#endif
// VERY IMPORTANT to set your LENGTHMS= in your song files, folks!
// SDL mixer can't read music length itself.
length = (UINT32)(song_length*1000);
@ -915,11 +920,18 @@ UINT32 I_GetSongPosition(void)
if (!music || I_SongType() == MU_MID)
return 0;
else
{
#ifdef HAVE_MIXERX
double xposition = Mix_GetMusicPosition(music);
if (xposition >= 0)
return (UINT32)floor(xposition * 1000.);
#endif
return music_bytes/44100.0L*1000.0L/4; //assume 44.1khz
// 4 = byte length for 16-bit samples (AUDIO_S16SYS), stereo (2-channel)
// This is hardcoded in I_StartupSound. Other formats for factor:
// 8M: 1 | 8S: 2 | 16M: 2 | 16S: 4
}
}
/// ------------------------
/// Music Playback