This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
void S_Play(void);
void S_PlayVol(void);
+void S_Play2(void);
void S_SoundList(void);
void S_Update_();
void S_StopAllSounds(qboolean clear);
// Internal sound data & structures
// =======================================================================
-channel_t channels[MAX_CHANNELS];
-int total_channels;
+channel_t channels[MAX_CHANNELS];
+int total_channels;
-int snd_blocked = 0;
-static qboolean snd_ambient = 1;
-qboolean snd_initialized = false;
+int snd_blocked = 0;
+static qboolean snd_ambient = 1;
+qboolean snd_initialized = false;
// pointer should go away
-volatile dma_t *shm = 0;
+volatile dma_t *shm = 0;
volatile dma_t sn;
-vec3_t listener_origin;
-vec3_t listener_forward;
-vec3_t listener_right;
-vec3_t listener_up;
-vec_t sound_nominal_clip_dist=1000.0;
+vec3_t listener_origin;
+vec3_t listener_forward;
+vec3_t listener_right;
+vec3_t listener_up;
+vec_t sound_nominal_clip_dist=1000.0;
+mempool_t *snd_mempool;
-int soundtime; // sample PAIRS
-int paintedtime; // sample PAIRS
+// sample PAIRS
+int soundtime;
+int paintedtime;
//LordHavoc: increased the client sound limit from 512 to 4096 for the Nehahra movie
-#define MAX_SFX 4096
-sfx_t *known_sfx; // hunk allocated [MAX_SFX]
-int num_sfx;
+#define MAX_SFX 4096
+sfx_t *known_sfx; // allocated [MAX_SFX]
+int num_sfx;
-sfx_t *ambient_sfx[NUM_AMBIENTS];
+sfx_t *ambient_sfx[NUM_AMBIENTS];
int sound_started = 0;
Con_Printf ("sound system not started\n");
return;
}
-
- Con_Printf("%5d stereo\n", shm->channels - 1);
- Con_Printf("%5d samples\n", shm->samples);
- Con_Printf("%5d samplepos\n", shm->samplepos);
- Con_Printf("%5d samplebits\n", shm->samplebits);
- Con_Printf("%5d submission_chunk\n", shm->submission_chunk);
- Con_Printf("%5d speed\n", shm->speed);
- Con_Printf("0x%x dma buffer\n", shm->buffer);
+
+ Con_Printf("%5d stereo\n", shm->channels - 1);
+ Con_Printf("%5d samples\n", shm->samples);
+ Con_Printf("%5d samplepos\n", shm->samplepos);
+ Con_Printf("%5d samplebits\n", shm->samplebits);
+ Con_Printf("%5d submission_chunk\n", shm->submission_chunk);
+ Con_Printf("%5d speed\n", shm->speed);
+ Con_Printf("0x%x dma buffer\n", shm->buffer);
Con_Printf("%5d total_channels\n", total_channels);
}
S_Startup
================
*/
-
void S_Startup (void)
{
- int rc;
+ int rc;
if (!snd_initialized)
return;
sound_started = 1;
}
-
-void S_Play2(void);
-
-mempool_t *snd_mempool;
-
/*
================
S_Init
{
Con_Printf("\nSound Initialization\n");
+ S_RawSamples_ClearQueue();
+
Cvar_RegisterVariable(&volume);
Cvar_RegisterVariable(&bgmvolume);
- if (COM_CheckParm("-nosound"))
+ if (COM_CheckParm("-nosound") || COM_CheckParm("-safe"))
return;
snd_mempool = Mem_AllocPool("sound");
{
}
+
+#define RAWSAMPLESBUFFER 32768
+short s_rawsamplesbuffer[RAWSAMPLESBUFFER * 2];
+int s_rawsamplesbuffer_start;
+int s_rawsamplesbuffer_count;
+
+void S_RawSamples_Enqueue(short *samples, unsigned int length)
+{
+ int b2, b3;
+ //Con_Printf("S_RawSamples_Enqueue: %i samples\n", length);
+ if (s_rawsamplesbuffer_count + length > RAWSAMPLESBUFFER)
+ return;
+ b2 = (s_rawsamplesbuffer_start + s_rawsamplesbuffer_count) % RAWSAMPLESBUFFER;
+ 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]));
+ }
+ else
+ memcpy(s_rawsamplesbuffer + b2 * 2, samples, length * sizeof(short[2]));
+ s_rawsamplesbuffer_count += length;
+}
+
+void S_RawSamples_Dequeue(int *samples, unsigned int length)
+{
+ int b1, b2, l;
+ int i;
+ short *in;
+ int *out;
+ int count;
+ l = length;
+ if (l > s_rawsamplesbuffer_count)
+ l = s_rawsamplesbuffer_count;
+ b1 = (s_rawsamplesbuffer_start) % RAWSAMPLESBUFFER;
+ 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++)
+ out[i] = in[i];
+ for (out = samples + (RAWSAMPLESBUFFER - b1) * 2, in = s_rawsamplesbuffer, count = b2 * 2, i = 0;i < count;i++)
+ out[i] = in[i];
+ //Con_Printf("S_RawSamples_Dequeue: buffer wrap %i %i\n", (RAWSAMPLESBUFFER - b1), b2);
+ }
+ else
+ {
+ //memcpy(samples, s_rawsamplesbuffer + b1 * 2, l * sizeof(short[2]));
+ for (out = samples, in = s_rawsamplesbuffer + b1 * 2, count = l * 2, i = 0;i < count;i++)
+ out[i] = in[i];
+ //Con_Printf("S_RawSamples_Dequeue: normal %i\n", l);
+ }
+ if (l < length)
+ {
+ memset(samples + l * 2, 0, (length - l) * sizeof(int[2]));
+ //Con_Printf("S_RawSamples_Dequeue: padding with %i samples\n", length - l);
+ }
+ s_rawsamplesbuffer_start = (s_rawsamplesbuffer_start + l) % RAWSAMPLESBUFFER;
+ s_rawsamplesbuffer_count -= l;
+}
+
+void S_RawSamples_ClearQueue(void)
+{
+ s_rawsamplesbuffer_count = 0;
+ s_rawsamplesbuffer_start = 0;
+}
+
+int S_RawSamples_QueueWantsMore(void)
+{
+ if (s_rawsamplesbuffer_count < min(shm->speed >> 1, RAWSAMPLESBUFFER >> 1))
+ return RAWSAMPLESBUFFER - s_rawsamplesbuffer_count;
+ else
+ return 0;
+}
+
+void S_ResampleBuffer16Stereo(short *input, int inputlength, short *output, int outputlength)
+{
+ if (inputlength != outputlength)
+ {
+ int i, position, stopposition, step;
+ short *in, *out;
+ step = (float) inputlength * 256.0f / (float) outputlength;
+ position = 0;
+ stopposition = (inputlength - 1) << 8;
+ out = output;
+ for (i = 0;i < outputlength && position < stopposition;i++, position += step)
+ {
+ in = input + ((position >> 8) << 1);
+ out[0] = (((in[1] - in[0]) * (position & 255)) >> 8) + in[0];
+ out[1] = (((in[3] - in[2]) * (position & 255)) >> 8) + in[2];
+ out += 2;
+ }
+ stopposition = inputlength << 8;
+ for (i = 0;i < outputlength && position < stopposition;i++, position += step)
+ {
+ in = input + ((position >> 8) << 1);
+ out[0] = in[0];
+ out[1] = in[2];
+ out += 2;
+ }
+ }
+ else
+ memcpy(output, input, inputlength * sizeof(short[2]));
+}
+
+int S_RawSamples_SampleRate(void)
+{
+ return shm != NULL ? shm->speed : 0;
+}
projects / xonotic / darkplaces.git / blobdiff