From 77570cca460afce38d688221214f93f0c6d0a8c9 Mon Sep 17 00:00:00 2001 From: Holger Schemel Date: Sun, 12 May 2002 02:54:31 +0200 Subject: [PATCH] rnd-20020512-1-src --- src/libgame/sound.c | 186 ++++++++++++++++++++++---------------------- src/libgame/sound.h | 6 +- 2 files changed, 95 insertions(+), 97 deletions(-) diff --git a/src/libgame/sound.c b/src/libgame/sound.c index 658a67ef..ceeee147 100644 --- a/src/libgame/sound.c +++ b/src/libgame/sound.c @@ -491,8 +491,8 @@ static void Mixer_PlayChannel(int channel) if (mixer[channel].type != MUS_TYPE_WAV) return; - mixer[channel].playingpos = 0; - mixer[channel].playingtime = 0; + mixer[channel].playing_pos = 0; + mixer[channel].playing_starttime = Counter(); #if defined(TARGET_SDL) Mix_Volume(channel, SOUND_MAX_VOLUME); @@ -507,7 +507,7 @@ static void Mixer_PlayChannel(int channel) voice_set_playmode(mixer[channel].voice, PLAYMODE_LOOP); voice_set_volume(mixer[channel].voice, mixer[channel].volume); - voice_set_pan(mixer[channel].voice, mixer[channel].stereo); + voice_set_pan(mixer[channel].voice, mixer[channel].stereo_position); voice_start(mixer[channel].voice); #endif @@ -538,7 +538,7 @@ static void Mixer_StopChannel(int channel) #endif #endif - if (!mixer_active_channels || !mixer[channel].active) + if (!mixer[channel].active) return; #if defined(TARGET_SDL) @@ -563,23 +563,16 @@ static void Mixer_StopMusicChannel() static void Mixer_FadeChannel(int channel) { - if (!mixer_active_channels || !mixer[channel].active) + if (!mixer[channel].active) return; mixer[channel].state |= SND_CTRL_FADE; #if defined(TARGET_SDL) - -#if 1 Mix_FadeOutChannel(channel, SOUND_FADING_INTERVAL); -#else - Mix_ExpireChannel(channel, SOUND_FADING_INTERVAL); -#endif - #elif defined(PLATFORM_MSDOS) if (voice_check(mixer[channel].voice)) voice_ramp_volume(mixer[channel].voice, SOUND_FADING_INTERVAL, 0); - mixer[channel].state &= ~SND_CTRL_IS_LOOP; #endif } @@ -592,6 +585,24 @@ static void Mixer_FadeMusicChannel() #endif } +static void Mixer_UnFadeChannel(int channel) +{ + if (!mixer[channel].active || !IS_FADING(mixer[channel])) + return; + + mixer[channel].state &= ~SND_CTRL_FADE; + mixer[channel].volume = PSND_MAX_VOLUME; + +#if defined(TARGET_SDL) + Mix_ExpireChannel(channel, -1); + Mix_Volume(channel, SOUND_MAX_VOLUME); +#elif defined(TARGET_ALLEGRO) + voice_stop_volumeramp(mixer[channel].voice); + voice_ramp_volume(mixer[channel].voice, SOUND_FADING_INTERVAL, + mixer[channel].volume); +#endif +} + static void Mixer_InsertSound(SoundControl snd_ctrl) { SoundInfo *snd_info; @@ -601,6 +612,10 @@ static void Mixer_InsertSound(SoundControl snd_ctrl) printf("NEW SOUND %d HAS ARRIVED [%d]\n", snd_ctrl.nr, num_sounds); #endif +#if 0 + printf("%d ACTIVE CHANNELS\n", mixer_active_channels); +#endif + if (IS_MUSIC(snd_ctrl)) snd_ctrl.nr = snd_ctrl.nr % num_music; else if (snd_ctrl.nr >= num_sounds) @@ -625,45 +640,6 @@ static void Mixer_InsertSound(SoundControl snd_ctrl) return; } - if (mixer_active_channels == audio.num_channels) - { - for (i=0; i longest) - { - longest = actual; - longest_nr = i; - } - } - - Mixer_StopChannel(longest_nr); - } - /* check if sound is already being played (and how often) */ for (k=0, i=audio.first_sound_channel; i= 1 && IS_LOOP(snd_ctrl)) { for(i=audio.first_sound_channel; i= 2) { + unsigned long playing_current = Counter(); int longest = 0, longest_nr = audio.first_sound_channel; /* look for oldest equal sound */ for(i=audio.first_sound_channel; i= longest) { @@ -714,6 +686,37 @@ static void Mixer_InsertSound(SoundControl snd_ctrl) Mixer_StopChannel(longest_nr); } + /* If all (non-music) channels are active, stop the channel that has + played its sound sample most completely (in percent of the sample + length). As we cannot currently get the actual playing position + of the channel's sound sample when compiling with the SDL mixer + library, we use the current playing time (in milliseconds) instead. */ + + if (mixer_active_channels == + audio.num_channels - (mixer[audio.music_channel].active ? 0 : 1)) + { + unsigned long playing_current = Counter(); + int longest = 0, longest_nr = audio.first_sound_channel; + + for (i=audio.first_sound_channel; i longest) + { + longest = actual; + longest_nr = i; + } + } + + Mixer_StopChannel(longest_nr); + } + /* add new sound to mixer */ for(i=0; i= mixer[i].data_len) + if (mixer[i].playing_pos >= mixer[i].data_len) { if (IS_LOOP(mixer[i])) - mixer[i].playingpos = 0; + mixer[i].playing_pos = 0; else Mixer_StopChannel(i); } @@ -1081,9 +1079,9 @@ static int Mixer_Main_SimpleAudio(SoundControl snd_ctrl) /* pointer, lenght and actual playing position of sound sample */ sample_ptr = mixer[i].data_ptr; sample_len = mixer[i].data_len; - sample_pos = mixer[i].playingpos; + sample_pos = mixer[i].playing_pos; sample_size = MIN(max_sample_size, sample_len - sample_pos); - mixer[i].playingpos += sample_size; + mixer[i].playing_pos += sample_size; /* copy original sample to first mixing buffer */ CopySampleToMixingBuffer(&mixer[i], sample_pos, sample_size, @@ -1104,7 +1102,7 @@ static int Mixer_Main_SimpleAudio(SoundControl snd_ctrl) #endif /* delete completed sound entries from the mixer */ - if (mixer[i].playingpos >= mixer[i].data_len) + if (mixer[i].playing_pos >= mixer[i].data_len) Mixer_StopChannel(i); for(i=0; i PSND_MAX_VOLUME) volume = PSND_MAX_VOLUME; - if (stereo < PSND_MAX_LEFT) - stereo = PSND_MAX_LEFT; - else if (stereo > PSND_MAX_RIGHT) - stereo = PSND_MAX_RIGHT; + if (stereo_position < PSND_MAX_LEFT) + stereo_position = PSND_MAX_LEFT; + else if (stereo_position > PSND_MAX_RIGHT) + stereo_position = PSND_MAX_RIGHT; snd_ctrl.active = TRUE; - snd_ctrl.nr = nr; + snd_ctrl.nr = nr; snd_ctrl.volume = volume; - snd_ctrl.stereo = stereo; - snd_ctrl.state = state; + snd_ctrl.stereo_position = stereo_position; + snd_ctrl.state = state; HandleSoundRequest(snd_ctrl); } void FadeMusic(void) { - if (!audio.sound_available) + if (!audio.music_available) return; StopSoundExt(-1, SND_CTRL_FADE_MUSIC); @@ -1716,8 +1714,8 @@ void StopSoundExt(int nr, int state) return; snd_ctrl.active = FALSE; - snd_ctrl.nr = nr; - snd_ctrl.state = state; + snd_ctrl.nr = nr; + snd_ctrl.state = state; HandleSoundRequest(snd_ctrl); } diff --git a/src/libgame/sound.h b/src/libgame/sound.h index 13d0b356..db99a81d 100644 --- a/src/libgame/sound.h +++ b/src/libgame/sound.h @@ -267,12 +267,12 @@ struct SoundControl int nr; int volume; - int stereo; + int stereo_position; int state; - int playingtime; - long playingpos; + unsigned long playing_starttime; + unsigned long playing_pos; int type; int format; -- 2.34.1