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Misc OpenAL backend fixes
git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@6063 fc73d0e0-1445-4013-8a0c-d673dee63da5
This commit is contained in:
Eukara
parent
156a629513
commit
bca422ab08
1 changed files with 46 additions and 22 deletions
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@ -365,6 +365,8 @@ typedef struct
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{
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ALuint handle;
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qbyte allocated; //there is no guarenteed-unused handle (and I don't want to have to keep spamming alIsSource).
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qbyte queuesize;
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ALuint queue[3];
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} *source;
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size_t max_sources;
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@ -644,6 +646,9 @@ static qboolean OpenAL_ReclaimASource(soundcardinfo_t *sc)
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if (buf != AL_PLAYING)
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{
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palDeleteSources(1, &src);
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if (oali->source[i].queuesize)
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palDeleteBuffers(oali->source[i].queuesize, oali->source[i].queue);
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oali->source[i].queuesize = 0;
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oali->source[i].handle = 0;
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oali->source[i].allocated = false;
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success++;
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@ -658,6 +663,9 @@ static qboolean OpenAL_ReclaimASource(soundcardinfo_t *sc)
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if (oali->source[i].allocated)
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{
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palDeleteSources(1, &oali->source[i].handle);
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if (oali->source[i].queuesize)
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palDeleteBuffers(oali->source[i].queuesize, oali->source[i].queue);
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oali->source[i].queuesize = 0;
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oali->source[i].handle = 0;
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oali->source[i].allocated = false;
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success++;
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@ -697,6 +705,7 @@ static void OpenAL_ChannelUpdate(soundcardinfo_t *sc, channel_t *chan, chanupdat
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ALuint buf;
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qboolean stream;
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qboolean srcrel;
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ALuint processed;
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if (chnum >= oali->max_sources)
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Z_ReallocElements((void**)&oali->source, &oali->max_sources, chnum+1+64, sizeof(*oali->source));
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@ -739,22 +748,28 @@ static void OpenAL_ChannelUpdate(soundcardinfo_t *sc, channel_t *chan, chanupdat
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PrintALError("pre start sound");
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if (schanged&CUR_SOUNDCHANGE)
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palSourceStop(src);
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//reclaim any queued buffers
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palGetSourcei(src, AL_SOURCE_TYPE, &buf);
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if (buf == AL_STREAMING)
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{
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for(;;)
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palSourceStop(src);
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palSourcei(src, AL_BUFFER, 0);
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if (oali->source[chnum].queuesize)
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palDeleteBuffers(oali->source[chnum].queuesize, oali->source[chnum].queue);
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oali->source[chnum].queuesize = 0;
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}
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else if (oali->source[chnum].queuesize)
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{
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//reclaim any queued buffers
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palGetSourcei(src, AL_BUFFERS_PROCESSED, &processed);
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if (processed)
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{
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palGetSourcei(src, AL_BUFFERS_PROCESSED, &buf);
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if (!buf)
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break;
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palSourceUnqueueBuffers(src, 1, &buf);
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palDeleteBuffers(1, &buf);
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palSourceUnqueueBuffers(src, processed, oali->source[chnum].queue);
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palDeleteBuffers(processed, oali->source[chnum].queue);
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oali->source[chnum].queuesize -= processed;
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memmove(oali->source[chnum].queue, oali->source[chnum].queue+processed, oali->source[chnum].queuesize*sizeof(*oali->source[chnum].queue));
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}
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}
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else if (!schanged && sfx) //if we don't figure out when they've finished, they'll not get replaced properly.
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if (!schanged && sfx) //if we don't figure out when they've finished, they'll not get replaced properly.
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{
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palGetSourcei(src, AL_SOURCE_STATE, &buf);
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if (buf != AL_PLAYING)
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@ -778,6 +793,9 @@ static void OpenAL_ChannelUpdate(soundcardinfo_t *sc, channel_t *chan, chanupdat
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palSourceStop(src);
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#else
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palDeleteSources(1, &src);
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if (oali->source[chnum].queuesize)
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palDeleteBuffers(oali->source[chnum].queuesize, oali->source[chnum].queue);
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oali->source[chnum].queuesize = 0;
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oali->source[chnum].handle = 0;
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oali->source[chnum].allocated = false;
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#endif
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@ -793,7 +811,7 @@ static void OpenAL_ChannelUpdate(soundcardinfo_t *sc, channel_t *chan, chanupdat
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//openal doesn't support loopstart (entire sample loops or not at all), so if we're meant to skip the first half then we need to stream it.
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stream = sfx->decoder.decodedata || sfx->loopstart > 0;
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if (schanged || stream)
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if (schanged & CUR_SOUNDCHANGE || stream)
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{
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int sndnum = sfx-known_sfx;
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int buf;
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@ -814,13 +832,12 @@ static void OpenAL_ChannelUpdate(soundcardinfo_t *sc, channel_t *chan, chanupdat
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}
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return; //not available yet
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}
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if (stream)
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{
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ALuint queuedbufs;
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int offset;
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sfxcache_t sbuf, *sc;
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palGetSourcei(src, AL_BUFFERS_QUEUED, &queuedbufs);
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while (queuedbufs < 3)
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while (oali->source[chnum].queuesize < countof(oali->source[chnum].queue))
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{ //decode periodically instead of all at the start.
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int tryduration = snd_speed*0.5;
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ssamplepos_t pos = chan->pos>>PITCHSHIFT;
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@ -856,7 +873,10 @@ static void OpenAL_ChannelUpdate(soundcardinfo_t *sc, channel_t *chan, chanupdat
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//build a buffer with it and queue it up.
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//buffer will be purged later on when its unqueued
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if (OpenAL_LoadCache(oali, &buf, &sbuf, max(1,cvolume)))
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{
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palSourceQueueBuffers(src, 1, &buf);
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oali->source[chnum].queue[oali->source[chnum].queuesize++] = buf;
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}
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}
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else
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{ //decoder isn't ready yet, but didn't signal an error/eof. queue a little silence, because that's better than constant micro stutters
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@ -868,9 +888,11 @@ static void OpenAL_ChannelUpdate(soundcardinfo_t *sc, channel_t *chan, chanupdat
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silence.length = 0.1 * silence.speed;
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silence.soundoffset = 0;
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if (OpenAL_LoadCache(oali, &buf, &silence, 1))
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{
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palSourceQueueBuffers(src, 1, &buf);
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oali->source[chnum].queue[oali->source[chnum].queuesize++] = buf;
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}
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}
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queuedbufs++;
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//yay
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chan->pos += sbuf.length<<PITCHSHIFT;
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@ -887,7 +909,7 @@ static void OpenAL_ChannelUpdate(soundcardinfo_t *sc, channel_t *chan, chanupdat
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chan->pos = 0;
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else //we don't want to play anything more.
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break;
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if (!queuedbufs)
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if (!oali->source[chnum].queuesize)
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{ //queue 0.1 secs if we're starting/resetting a new stream this is to try to cover up discontinuities caused by packetloss or whatever
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sfxcache_t silence;
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silence.speed = snd_speed;
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@ -897,12 +919,14 @@ static void OpenAL_ChannelUpdate(soundcardinfo_t *sc, channel_t *chan, chanupdat
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silence.length = 0.1 * silence.speed;
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silence.soundoffset = 0;
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if (OpenAL_LoadCache(oali, &buf, &silence, 1))
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{
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palSourceQueueBuffers(src, 1, &buf);
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queuedbufs++;
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oali->source[chnum].queue[oali->source[chnum].queuesize++] = buf;
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}
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}
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}
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}
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if (!queuedbufs)
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if (!oali->source[chnum].queuesize)
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{
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palGetSourcei(src, AL_SOURCE_STATE, &buf);
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if (buf != AL_PLAYING)
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@ -981,7 +1005,7 @@ static void OpenAL_ChannelUpdate(soundcardinfo_t *sc, channel_t *chan, chanupdat
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}
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#endif
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palSourcei(src, AL_LOOPING, (!stream && (chan->flags & CF_FORCELOOP))?AL_TRUE:AL_FALSE);
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palSourcei(src, AL_LOOPING, (!stream && ((chan->flags & CF_FORCELOOP)||sfx->loopstart==0))?AL_TRUE:AL_FALSE);
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if (srcrel)
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{
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palSourcei(src, AL_SOURCE_RELATIVE, AL_TRUE);
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@ -1059,7 +1083,7 @@ static void OpenAL_ChannelUpdate(soundcardinfo_t *sc, channel_t *chan, chanupdat
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palSourcePlay(src);
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}
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PrintALError("post start sound");
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PrintALError(sfx&&sfx->name?sfx->name:"post start sound");
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}
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/*
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