greatly improved pointfile command, it now shows a huge beam crosshair at the site...

[xonotic/darkplaces.git] / snd_dma.c

diff --git a/snd_dma.c b/snd_dma.c
index 096fdfb603b61b9af9ffd7b71f2750e75b346836..d9a25fafcf1704be87ea8015d3bcb463889225ec 100644 (file)
--- a/snd_dma.c
+++ b/snd_dma.c
@@ -170,7 +170,7 @@ void S_Init (void)
        Cvar_RegisterVariable(&volume);
        Cvar_RegisterVariable(&bgmvolume);
 
-       if (COM_CheckParm("-nosound"))
+       if (COM_CheckParm("-nosound") || COM_CheckParm("-safe"))
                return;
 
        snd_mempool = Mem_AllocPool("sound");
@@ -285,6 +285,7 @@ sfx_t *S_FindName (char *name)
                Sys_Error ("S_FindName: out of sfx_t");
 
        sfx = &known_sfx[i];
+       memset(sfx, 0, sizeof(*sfx));
        strcpy (sfx->name, name);
 
        num_sfx++;
@@ -302,7 +303,7 @@ S_TouchSound
 void S_TouchSound (char *name)
 {
        sfx_t   *sfx;
-       
+
        if (!sound_started)
                return;
 
@@ -683,6 +684,8 @@ void S_UpdateAmbientSounds (void)
 // calc ambient sound levels
        for (ambient_channel = 0 ; ambient_channel< NUM_AMBIENTS ; ambient_channel++)
        {
+               if (ambient_sfx[ambient_channel] && ambient_sfx[ambient_channel]->silentlymissing)
+                       continue;
                chan = &channels[ambient_channel];
                chan->sfx = ambient_sfx[ambient_channel];
 
@@ -866,7 +869,7 @@ void S_Update_(void)
 // mix ahead of current position
        endtime = soundtime + _snd_mixahead.value * shm->speed;
        samps = shm->samples >> (shm->channels-1);
-       if (endtime - soundtime > samps)
+       if (endtime > (unsigned int)(soundtime + samps))
                endtime = soundtime + samps;
 
 #ifdef _WIN32
@@ -1043,9 +1046,9 @@ void S_RawSamples_Enqueue(short *samples, unsigned int length)
        if (s_rawsamplesbuffer_count + length > RAWSAMPLESBUFFER)
                return;
        b2 = (s_rawsamplesbuffer_start + s_rawsamplesbuffer_count) % RAWSAMPLESBUFFER;
-       b3 = (s_rawsamplesbuffer_start + s_rawsamplesbuffer_count + length) % RAWSAMPLESBUFFER;
-       if (b3 < b2)
+       if (b2 + length > RAWSAMPLESBUFFER)
        {
+               b3 = (b2 + length) % RAWSAMPLESBUFFER;
                memcpy(s_rawsamplesbuffer + b2 * 2, samples, (RAWSAMPLESBUFFER - b2) * sizeof(short[2]));
                memcpy(s_rawsamplesbuffer, samples + (RAWSAMPLESBUFFER - b2) * 2, b3 * sizeof(short[2]));
        }
@@ -1065,9 +1068,9 @@ void S_RawSamples_Dequeue(int *samples, unsigned int length)
        if (l > s_rawsamplesbuffer_count)
                l = s_rawsamplesbuffer_count;
        b1 = (s_rawsamplesbuffer_start) % RAWSAMPLESBUFFER;
-       b2 = (s_rawsamplesbuffer_start + l) % RAWSAMPLESBUFFER;
-       if (b2 < b1)
+       if (b1 + l > RAWSAMPLESBUFFER)
        {
+               b2 = (b1 + l) % RAWSAMPLESBUFFER;
                //memcpy(samples, s_rawsamplesbuffer + b1 * 2, (RAWSAMPLESBUFFER - b1) * sizeof(short[2]));
                //memcpy(samples + (RAWSAMPLESBUFFER - b1) * 2, s_rawsamplesbuffer, b2 * sizeof(short[2]));
                for (out = samples, in = s_rawsamplesbuffer + b1 * 2, count = (RAWSAMPLESBUFFER - b1) * 2, i = 0;i < count;i++)
@@ -1083,7 +1086,7 @@ void S_RawSamples_Dequeue(int *samples, unsigned int length)
                        out[i] = in[i];
                //Con_Printf("S_RawSamples_Dequeue: normal      %i\n", l);
        }
-       if (l < length)
+       if (l < (int)length)
        {
                memset(samples + l * 2, 0, (length - l) * sizeof(int[2]));
                //Con_Printf("S_RawSamples_Dequeue: padding with %i samples\n", length - l);
@@ -1135,3 +1138,8 @@ void S_ResampleBuffer16Stereo(short *input, int inputlength, short *output, int
        else
                memcpy(output, input, inputlength * sizeof(short[2]));
 }
+
+int S_RawSamples_SampleRate(void)
+{
+       return shm != NULL ? shm->speed : 0;
+}