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sdlmusic: Implement graceful playback failure

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git-svn-id: https://svn.eduke32.com/eduke32@6890 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
hendricks266 2018-05-19 14:14:22 +00:00
parent 03f2cdd9b3
commit b5caf1cd1e
1 changed files with 23 additions and 9 deletions
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32
source/duke3d/src/sdlmusic.cpp
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@ -359,13 +359,14 @@ int32_t MUSIC_StopSong(void)
} // MUSIC_StopSong
#if defined FORK_EXEC_MIDI
static void playmusic()
static int32_t playmusic()
{
pid_t pid = vfork();
if (pid==-1) // error
{
initprintf("%s: vfork: %s\n", __func__, strerror(errno));
return MUSIC_Error;
}
else if (pid==0) // child
{
@ -380,6 +381,8 @@ static void playmusic()
{
external_midi_pid = pid;
}
return MUSIC_Ok;
}
static void sigchld_handler(int signo)
@ -408,9 +411,6 @@ static void sigchld_handler(int signo)
int32_t MUSIC_PlaySong(char *song, int32_t songsize, int32_t loopflag)
{
// initprintf("MUSIC_PlaySong");
// TODO: graceful failure
MUSIC_StopSong();
if (external_midi)
{
FILE *fp;
@ -440,14 +440,23 @@ int32_t MUSIC_PlaySong(char *song, int32_t songsize, int32_t loopflag)
#if defined FORK_EXEC_MIDI
external_midi_restart = loopflag;
playmusic();
int32_t retval = playmusic();
if (retval != MUSIC_Ok)
return retval;
#else
music_musicchunk = Mix_LoadMUS(external_midi_tempfn);
if (!music_musicchunk)
{
initprintf("Mix_LoadMUS: %s\n", Mix_GetError());
return MUSIC_Error;
}
#endif
}
else initprintf("%s: fopen: %s\n", __func__, strerror(errno));
else
{
initprintf("%s: fopen: %s\n", __func__, strerror(errno));
return MUSIC_Error;
}
}
else
music_musicchunk = Mix_LoadMUS_RW(SDL_RWFromMem(song, songsize)
@ -456,9 +465,14 @@ int32_t MUSIC_PlaySong(char *song, int32_t songsize, int32_t loopflag)
#endif
);
if (music_musicchunk != NULL)
if (Mix_PlayMusic(music_musicchunk, (loopflag == MUSIC_LoopSong)?-1:0) == -1)
initprintf("Mix_PlayMusic: %s\n", Mix_GetError());
if (music_musicchunk == NULL)
return MUSIC_Error;
if (Mix_PlayMusic(music_musicchunk, (loopflag == MUSIC_LoopSong)?-1:0) == -1)
{
initprintf("Mix_PlayMusic: %s\n", Mix_GetError());
return MUSIC_Error;
}
return MUSIC_Ok;
}