#include "snd_ogg.h"
-void S_Play(void);
-void S_PlayVol(void);
-void S_Play2(void);
-void S_SoundList(void);
-void S_Update_();
+#define SND_MIN_SPEED 8000
+#define SND_MAX_SPEED 48000
+#define SND_MIN_WIDTH 1
+#define SND_MAX_WIDTH 2
+#define SND_MIN_CHANNELS 1
+#define SND_MAX_CHANNELS 8
+
+#if SND_LISTENERS != 8
+# error this data only supports up to 8 channel, update it!
+#endif
+typedef struct listener_s
+{
+ float yawangle;
+ float dotscale;
+ float dotbias;
+ float ambientvolume;
+}
+listener_t;
+typedef struct speakerlayout_s
+{
+ const char *name;
+ unsigned int channels;
+ listener_t listeners[SND_LISTENERS];
+}
+speakerlayout_t;
-void S_ClearBuffer (void);
+static speakerlayout_t snd_speakerlayout;
+
+// Our speaker layouts are based on ALSA. They differ from those
+// Win32 and Mac OS X APIs use when there's more than 4 channels.
+// (rear left + rear right, and front center + LFE are swapped).
+#define SND_SPEAKERLAYOUTS (sizeof(snd_speakerlayouts) / sizeof(snd_speakerlayouts[0]))
+static const speakerlayout_t snd_speakerlayouts[] =
+{
+ {
+ "surround71", 8,
+ {
+ {45, 0.2, 0.2, 0.5}, // front left
+ {315, 0.2, 0.2, 0.5}, // front right
+ {135, 0.2, 0.2, 0.5}, // rear left
+ {225, 0.2, 0.2, 0.5}, // rear right
+ {0, 0.2, 0.2, 0.5}, // front center
+ {0, 0, 0, 0}, // lfe (we don't have any good lfe sound sources and it would take some filtering work to generate them (and they'd probably still be wrong), so... no lfe)
+ {90, 0.2, 0.2, 0.5}, // side left
+ {180, 0.2, 0.2, 0.5}, // side right
+ }
+ },
+ {
+ "surround51", 6,
+ {
+ {45, 0.2, 0.2, 0.5}, // front left
+ {315, 0.2, 0.2, 0.5}, // front right
+ {135, 0.2, 0.2, 0.5}, // rear left
+ {225, 0.2, 0.2, 0.5}, // rear right
+ {0, 0.2, 0.2, 0.5}, // front center
+ {0, 0, 0, 0}, // lfe (we don't have any good lfe sound sources and it would take some filtering work to generate them (and they'd probably still be wrong), so... no lfe)
+ {0, 0, 0, 0},
+ {0, 0, 0, 0},
+ }
+ },
+ {
+ // these systems sometimes have a subwoofer as well, but it has no
+ // channel of its own
+ "surround40", 4,
+ {
+ {45, 0.3, 0.3, 0.8}, // front left
+ {315, 0.3, 0.3, 0.8}, // front right
+ {135, 0.3, 0.3, 0.8}, // rear left
+ {225, 0.3, 0.3, 0.8}, // rear right
+ {0, 0, 0, 0},
+ {0, 0, 0, 0},
+ {0, 0, 0, 0},
+ {0, 0, 0, 0},
+ }
+ },
+ {
+ // these systems sometimes have a subwoofer as well, but it has no
+ // channel of its own
+ "stereo", 2,
+ {
+ {90, 0.5, 0.5, 1}, // side left
+ {270, 0.5, 0.5, 1}, // side right
+ {0, 0, 0, 0},
+ {0, 0, 0, 0},
+ {0, 0, 0, 0},
+ {0, 0, 0, 0},
+ {0, 0, 0, 0},
+ {0, 0, 0, 0},
+ }
+ },
+ {
+ "mono", 1,
+ {
+ {0, 0, 1, 1}, // center
+ {0, 0, 0, 0},
+ {0, 0, 0, 0},
+ {0, 0, 0, 0},
+ {0, 0, 0, 0},
+ {0, 0, 0, 0},
+ {0, 0, 0, 0},
+ {0, 0, 0, 0},
+ }
+ }
+};
// =======================================================================
channel_t channels[MAX_CHANNELS];
unsigned int total_channels;
-int snd_blocked = 0;
-cvar_t snd_initialized = { CVAR_READONLY, "snd_initialized", "0"};
-cvar_t snd_streaming = { CVAR_SAVE, "snd_streaming", "1"};
-
-volatile dma_t *shm = 0;
-volatile dma_t sn;
+snd_ringbuffer_t *snd_renderbuffer = NULL;
+unsigned int soundtime = 0;
+static unsigned int oldpaintedtime = 0;
+static unsigned int extrasoundtime = 0;
+static double snd_starttime = 0.0;
vec3_t listener_origin;
-matrix4x4_t listener_matrix;
-vec_t sound_nominal_clip_dist=1000.0;
+matrix4x4_t listener_matrix[SND_LISTENERS];
mempool_t *snd_mempool;
-// sample PAIRS
-int soundtime;
-int paintedtime;
-
-
// Linked list of known sfx
-sfx_t *known_sfx = NULL;
+static sfx_t *known_sfx = NULL;
-qboolean sound_started = false;
-qboolean sound_spatialized = false;
+static qboolean sound_spatialized = false;
-// Fake dma is a synchronous faking of the DMA progress used for
-// isolating performance in the renderer.
-qboolean fakedma = false;
+qboolean simsound = false;
-cvar_t bgmvolume = {CVAR_SAVE, "bgmvolume", "1"};
-cvar_t volume = {CVAR_SAVE, "volume", "0.7"};
-cvar_t snd_staticvolume = {CVAR_SAVE, "snd_staticvolume", "1"};
+static qboolean recording_sound = false;
-cvar_t nosound = {0, "nosound", "0"};
-cvar_t snd_precache = {0, "snd_precache", "1"};
-cvar_t bgmbuffer = {0, "bgmbuffer", "4096"};
-cvar_t ambient_level = {0, "ambient_level", "0.3"};
-cvar_t ambient_fade = {0, "ambient_fade", "100"};
-cvar_t snd_noextraupdate = {0, "snd_noextraupdate", "0"};
-cvar_t snd_show = {0, "snd_show", "0"};
-cvar_t _snd_mixahead = {CVAR_SAVE, "_snd_mixahead", "0.1"};
-cvar_t snd_swapstereo = {CVAR_SAVE, "snd_swapstereo", "0"};
+int snd_blocked = 0;
+static int current_swapstereo = false;
+static int current_channellayout = SND_CHANNELLAYOUT_AUTO;
+static int current_channellayout_used = SND_CHANNELLAYOUT_AUTO;
+
+// Cvars declared in sound.h (part of the sound API)
+cvar_t bgmvolume = {CVAR_SAVE, "bgmvolume", "1", "volume of background music (such as CD music or replacement files such as sound/cdtracks/track002.ogg)"};
+cvar_t volume = {CVAR_SAVE, "volume", "0.7", "volume of sound effects"};
+cvar_t snd_initialized = { CVAR_READONLY, "snd_initialized", "0", "indicates the sound subsystem is active"};
+cvar_t snd_staticvolume = {CVAR_SAVE, "snd_staticvolume", "1", "volume of ambient sound effects (such as swampy sounds at the start of e1m2)"};
+cvar_t snd_soundradius = {0, "snd_soundradius", "1000", "radius of weapon sounds and other standard sound effects (monster idle noises are half this radius and flickering light noises are one third of this radius)"};
+
+// Cvars declared in snd_main.h (shared with other snd_*.c files)
+cvar_t _snd_mixahead = {CVAR_SAVE, "_snd_mixahead", "0.1", "how much sound to mix ahead of time"};
+cvar_t snd_streaming = { CVAR_SAVE, "snd_streaming", "1", "enables keeping compressed ogg sound files compressed, decompressing them only as needed, otherwise they will be decompressed completely at load (may use a lot of memory)"};
+cvar_t snd_swapstereo = {CVAR_SAVE, "snd_swapstereo", "0", "swaps left/right speakers for old ISA soundblaster cards"};
+cvar_t snd_channellayout = {0, "snd_channellayout", "0", "channel layout. Can be 0 (auto - snd_restart needed), 1 (standard layout), or 2 (ALSA layout)"};
+
+// Local cvars
+static cvar_t nosound = {0, "nosound", "0", "disables sound"};
+static cvar_t snd_precache = {0, "snd_precache", "1", "loads sounds before they are used"};
+static cvar_t ambient_level = {0, "ambient_level", "0.3", "volume of environment noises (water and wind)"};
+static cvar_t ambient_fade = {0, "ambient_fade", "100", "rate of volume fading when moving from one environment to another"};
+static cvar_t snd_noextraupdate = {0, "snd_noextraupdate", "0", "disables extra sound mixer calls that are meant to reduce the chance of sound breakup at very low framerates"};
+static cvar_t snd_show = {0, "snd_show", "0", "shows some statistics about sound mixing"};
+
+// Default sound format is 48KHz, 16-bit, stereo
+// (48KHz because a lot of onboard sound cards sucks at any other speed)
+static cvar_t snd_speed = {CVAR_SAVE, "snd_speed", "48000", "sound output frequency, in hertz"};
+static cvar_t snd_width = {CVAR_SAVE, "snd_width", "2", "sound output precision, in bytes (1 and 2 supported)"};
+static cvar_t snd_channels = {CVAR_SAVE, "snd_channels", "2", "number of channels for the sound ouput (2 for stereo; up to 8 supported for 3D sound)"};
+
+// Ambient sounds
+static sfx_t* ambient_sfxs [2] = { NULL, NULL };
+static const char* ambient_names [2] = { "sound/ambience/water1.wav", "sound/ambience/wind2.wav" };
// ====================================================================
-// User-setable variables
+// Functions
// ====================================================================
+void S_FreeSfx (sfx_t *sfx, qboolean force);
+
+static void S_Play_Common (float fvol, float attenuation)
+{
+ int i, ch_ind;
+ char name [MAX_QPATH];
+ sfx_t *sfx;
+
+ i = 1;
+ while (i < Cmd_Argc ())
+ {
+ // Get the name, and appends ".wav" as an extension if there's none
+ strlcpy (name, Cmd_Argv (i), sizeof (name));
+ if (!strrchr (name, '.'))
+ strlcat (name, ".wav", sizeof (name));
+ i++;
+
+ // If we need to get the volume from the command line
+ if (fvol == -1.0f)
+ {
+ fvol = atof (Cmd_Argv (i));
+ i++;
+ }
+
+ sfx = S_PrecacheSound (name, true, false);
+ if (sfx)
+ {
+ ch_ind = S_StartSound (-1, 0, sfx, listener_origin, fvol, attenuation);
+
+ // Free the sfx if the file didn't exist
+ if (ch_ind < 0)
+ S_FreeSfx (sfx, false);
+ else
+ channels[ch_ind].flags |= CHANNELFLAG_LOCALSOUND;
+ }
+ }
+}
+
+static void S_Play_f(void)
+{
+ S_Play_Common (1.0f, 1.0f);
+}
+
+static void S_Play2_f(void)
+{
+ S_Play_Common (1.0f, 0.0f);
+}
+
+static void S_PlayVol_f(void)
+{
+ S_Play_Common (-1.0f, 0.0f);
+}
+
+static void S_SoundList_f (void)
+{
+ unsigned int i;
+ sfx_t *sfx;
+ unsigned int total;
+
+ total = 0;
+ for (sfx = known_sfx, i = 0; sfx != NULL; sfx = sfx->next, i++)
+ {
+ if (sfx->fetcher != NULL)
+ {
+ unsigned int size;
+ const snd_format_t* format;
+
+ size = sfx->memsize;
+ format = sfx->fetcher->getfmt(sfx);
+ Con_Printf ("%c%c%c%c(%2db, %6s) %8i : %s\n",
+ (sfx->loopstart >= 0) ? 'L' : ' ',
+ (sfx->flags & SFXFLAG_STREAMED) ? 'S' : ' ',
+ (sfx->locks > 0) ? 'K' : ' ',
+ (sfx->flags & SFXFLAG_PERMANENTLOCK) ? 'P' : ' ',
+ format->width * 8,
+ (format->channels == 1) ? "mono" : "stereo",
+ size,
+ sfx->name);
+ total += size;
+ }
+ else
+ Con_Printf (" ( unknown ) unloaded : %s\n", sfx->name);
+ }
+ Con_Printf("Total resident: %i\n", total);
+}
+
+
void S_SoundInfo_f(void)
{
- if (!sound_started || !shm)
+ if (snd_renderbuffer == NULL)
{
Con_Print("sound system not started\n");
return;
}
- Con_Printf("%5d stereo\n", shm->format.channels - 1);
- Con_Printf("%5d samples\n", shm->samples);
- Con_Printf("%5d samplepos\n", shm->samplepos);
- Con_Printf("%5d samplebits\n", shm->format.width * 8);
- Con_Printf("%5d speed\n", shm->format.speed);
- Con_Printf("%p dma buffer\n", shm->buffer);
+ Con_Printf("%5d speakers\n", snd_renderbuffer->format.channels);
+ Con_Printf("%5d frames\n", snd_renderbuffer->maxframes);
+ Con_Printf("%5d samplebits\n", snd_renderbuffer->format.width * 8);
+ Con_Printf("%5d speed\n", snd_renderbuffer->format.speed);
Con_Printf("%5u total_channels\n", total_channels);
}
-void S_Startup(void)
+int S_GetSoundRate(void)
{
+ return snd_renderbuffer ? snd_renderbuffer->format.speed : 0;
+}
+
+
+static qboolean S_ChooseCheaperFormat (snd_format_t* format, qboolean fixed_speed, qboolean fixed_width, qboolean fixed_channels)
+{
+ static const snd_format_t thresholds [] =
+ {
+ // speed width channels
+ { SND_MIN_SPEED, SND_MIN_WIDTH, SND_MIN_CHANNELS },
+ { 11025, 1, 2 },
+ { 22050, 2, 2 },
+ { 44100, 2, 2 },
+ { 48000, 2, 6 },
+ { SND_MAX_SPEED, SND_MAX_WIDTH, SND_MAX_CHANNELS },
+ };
+ const unsigned int nb_thresholds = sizeof(thresholds) / sizeof(thresholds[0]);
+ unsigned int speed_level, width_level, channels_level;
+
+ // If we have reached the minimum values, there's nothing more we can do
+ if ((format->speed == thresholds[0].speed || fixed_speed) &&
+ (format->width == thresholds[0].width || fixed_width) &&
+ (format->channels == thresholds[0].channels || fixed_channels))
+ return false;
+
+ // Check the min and max values
+ #define CHECK_BOUNDARIES(param) \
+ if (format->param < thresholds[0].param) \
+ { \
+ format->param = thresholds[0].param; \
+ return true; \
+ } \
+ if (format->param > thresholds[nb_thresholds - 1].param) \
+ { \
+ format->param = thresholds[nb_thresholds - 1].param; \
+ return true; \
+ }
+ CHECK_BOUNDARIES(speed);
+ CHECK_BOUNDARIES(width);
+ CHECK_BOUNDARIES(channels);
+ #undef CHECK_BOUNDARIES
+
+ // Find the level of each parameter
+ #define FIND_LEVEL(param) \
+ param##_level = 0; \
+ while (param##_level < nb_thresholds - 1) \
+ { \
+ if (format->param <= thresholds[param##_level].param) \
+ break; \
+ \
+ param##_level++; \
+ }
+ FIND_LEVEL(speed);
+ FIND_LEVEL(width);
+ FIND_LEVEL(channels);
+ #undef FIND_LEVEL
+
+ // Decrease the parameter with the highest level to the previous level
+ if (channels_level >= speed_level && channels_level >= width_level && !fixed_channels)
+ {
+ format->channels = thresholds[channels_level - 1].channels;
+ return true;
+ }
+ if (speed_level >= width_level && !fixed_speed)
+ {
+ format->speed = thresholds[speed_level - 1].speed;
+ return true;
+ }
+
+ format->width = thresholds[width_level - 1].width;
+ return true;
+}
+
+
+#define SWAP_LISTENERS(l1, l2, tmpl) { tmpl = (l1); (l1) = (l2); (l2) = tmpl; }
+
+static void S_SetChannelLayout (void)
+{
+ unsigned int i;
+ listener_t swaplistener;
+ listener_t *listeners;
+ int layout;
+
+ for (i = 0; i < SND_SPEAKERLAYOUTS; i++)
+ if (snd_speakerlayouts[i].channels == snd_renderbuffer->format.channels)
+ break;
+ if (i >= SND_SPEAKERLAYOUTS)
+ {
+ Con_Printf("S_SetChannelLayout: can't find the speaker layout for %hu channels. Defaulting to mono output\n",
+ snd_renderbuffer->format.channels);
+ i = SND_SPEAKERLAYOUTS - 1;
+ }
+
+ snd_speakerlayout = snd_speakerlayouts[i];
+ listeners = snd_speakerlayout.listeners;
+
+ // Swap the left and right channels if snd_swapstereo is set
+ if (snd_swapstereo.integer)
+ {
+ switch (snd_speakerlayout.channels)
+ {
+ case 8:
+ SWAP_LISTENERS(listeners[6], listeners[7], swaplistener);
+ // no break
+ case 4:
+ case 6:
+ SWAP_LISTENERS(listeners[2], listeners[3], swaplistener);
+ // no break
+ case 2:
+ SWAP_LISTENERS(listeners[0], listeners[1], swaplistener);
+ break;
+
+ default:
+ case 1:
+ // Nothing to do
+ break;
+ }
+ }
+
+ // Sanity check
+ if (snd_channellayout.integer < SND_CHANNELLAYOUT_AUTO ||
+ snd_channellayout.integer > SND_CHANNELLAYOUT_ALSA)
+ Cvar_SetValueQuick (&snd_channellayout, SND_CHANNELLAYOUT_STANDARD);
+
+ if (snd_channellayout.integer == SND_CHANNELLAYOUT_AUTO)
+ {
+ // If we're in the sound engine initialization
+ if (current_channellayout_used == SND_CHANNELLAYOUT_AUTO)
+ {
+ layout = SND_CHANNELLAYOUT_STANDARD;
+ Cvar_SetValueQuick (&snd_channellayout, layout);
+ }
+ else
+ layout = current_channellayout_used;
+ }
+ else
+ layout = snd_channellayout.integer;
+
+ // Convert our layout (= ALSA) to the standard layout if necessary
+ if (snd_speakerlayout.channels == 6 || snd_speakerlayout.channels == 8)
+ {
+ if (layout == SND_CHANNELLAYOUT_STANDARD)
+ {
+ SWAP_LISTENERS(listeners[2], listeners[4], swaplistener);
+ SWAP_LISTENERS(listeners[3], listeners[5], swaplistener);
+ }
+
+ Con_Printf("S_SetChannelLayout: using %s speaker layout for 3D sound\n",
+ (layout == SND_CHANNELLAYOUT_ALSA) ? "ALSA" : "standard");
+ }
+
+ current_swapstereo = snd_swapstereo.integer;
+ current_channellayout = snd_channellayout.integer;
+ current_channellayout_used = layout;
+}
+
+
+void S_Startup (void)
+{
+ qboolean fixed_speed, fixed_width, fixed_channels;
+ snd_format_t chosen_fmt;
+ static snd_format_t prev_render_format = {0, 0, 0};
+ const char* env;
+ int i;
+
if (!snd_initialized.integer)
return;
- shm = &sn;
- memset((void *)shm, 0, sizeof(*shm));
+ fixed_speed = false;
+ fixed_width = false;
+ fixed_channels = false;
+
+ // Get the starting sound format from the cvars
+ chosen_fmt.speed = snd_speed.integer;
+ chosen_fmt.width = snd_width.integer;
+ chosen_fmt.channels = snd_channels.integer;
- // create a piece of DMA memory
- if (fakedma)
+ // Check the environment variables to see if the player wants a particular sound format
+ env = getenv("QUAKE_SOUND_CHANNELS");
+ if (env != NULL)
{
- shm->format.width = 2;
- shm->format.speed = 22050;
- shm->format.channels = 2;
- shm->samples = 32768;
- shm->samplepos = 0;
- shm->buffer = Mem_Alloc(snd_mempool, shm->format.channels * shm->samples * shm->format.width);
+ chosen_fmt.channels = atoi (env);
+ fixed_channels = true;
}
- else
+ env = getenv("QUAKE_SOUND_SPEED");
+ if (env != NULL)
+ {
+ chosen_fmt.speed = atoi (env);
+ fixed_speed = true;
+ }
+ env = getenv("QUAKE_SOUND_SAMPLEBITS");
+ if (env != NULL)
+ {
+ chosen_fmt.width = atoi (env) / 8;
+ fixed_width = true;
+ }
+
+ // Parse the command line to see if the player wants a particular sound format
+// COMMANDLINEOPTION: Sound: -sndquad sets sound output to 4 channel surround
+ if (COM_CheckParm ("-sndquad") != 0)
{
- if (!SNDDMA_Init())
+ chosen_fmt.channels = 4;
+ fixed_channels = true;
+ }
+// COMMANDLINEOPTION: Sound: -sndstereo sets sound output to stereo
+ else if (COM_CheckParm ("-sndstereo") != 0)
+ {
+ chosen_fmt.channels = 2;
+ fixed_channels = true;
+ }
+// COMMANDLINEOPTION: Sound: -sndmono sets sound output to mono
+ else if (COM_CheckParm ("-sndmono") != 0)
+ {
+ chosen_fmt.channels = 1;
+ fixed_channels = true;
+ }
+// COMMANDLINEOPTION: Sound: -sndspeed <hz> chooses sound output rate (supported values are 48000, 44100, 32000, 24000, 22050, 16000, 11025 (quake), 8000)
+ i = COM_CheckParm ("-sndspeed");
+ if (0 < i && i < com_argc - 1)
+ {
+ chosen_fmt.speed = atoi (com_argv[i + 1]);
+ fixed_speed = true;
+ }
+// COMMANDLINEOPTION: Sound: -sndbits <bits> chooses 8 bit or 16 bit sound output
+ i = COM_CheckParm ("-sndbits");
+ if (0 < i && i < com_argc - 1)
+ {
+ chosen_fmt.width = atoi (com_argv[i + 1]) / 8;
+ fixed_width = true;
+ }
+
+ // You can't change sound speed after start time (not yet supported)
+ if (prev_render_format.speed != 0)
+ {
+ fixed_speed = true;
+ if (chosen_fmt.speed != prev_render_format.speed)
+ {
+ Con_Printf("S_Startup: sound speed has changed! This is NOT supported yet. Falling back to previous speed (%u Hz)\n",
+ prev_render_format.speed);
+ chosen_fmt.speed = prev_render_format.speed;
+ }
+ }
+
+ // Sanity checks
+ if (chosen_fmt.speed < SND_MIN_SPEED)
+ {
+ chosen_fmt.speed = SND_MIN_SPEED;
+ fixed_speed = false;
+ }
+ else if (chosen_fmt.speed > SND_MAX_SPEED)
+ {
+ chosen_fmt.speed = SND_MAX_SPEED;
+ fixed_speed = false;
+ }
+
+ if (chosen_fmt.width < SND_MIN_WIDTH)
+ {
+ chosen_fmt.width = SND_MIN_WIDTH;
+ fixed_width = false;
+ }
+ else if (chosen_fmt.width > SND_MAX_WIDTH)
+ {
+ chosen_fmt.width = SND_MAX_WIDTH;
+ fixed_width = false;
+ }
+
+ if (chosen_fmt.channels < SND_MIN_CHANNELS)
+ {
+ chosen_fmt.channels = SND_MIN_CHANNELS;
+ fixed_channels = false;
+ }
+ else if (chosen_fmt.channels > SND_MAX_CHANNELS)
+ {
+ chosen_fmt.channels = SND_MAX_CHANNELS;
+ fixed_channels = false;
+ }
+
+ // create the sound buffer used for sumitting the samples to the plaform-dependent module
+ if (!simsound)
+ {
+ snd_format_t suggest_fmt;
+ qboolean accepted;
+
+ accepted = false;
+ do
{
- Con_Print("S_Startup: SNDDMA_Init failed.\n");
- shm = NULL;
- sound_started = false;
+ Con_DPrintf("S_Startup: initializing sound output format: %dHz, %d bit, %d channels...\n",
+ chosen_fmt.speed, chosen_fmt.width * 8,
+ chosen_fmt.channels);
+
+ memset(&suggest_fmt, 0, sizeof(suggest_fmt));
+ accepted = SndSys_Init(&chosen_fmt, &suggest_fmt);
+
+ if (!accepted)
+ {
+ Con_DPrintf("S_Startup: sound output initialization FAILED\n");
+
+ // If the module is suggesting another one
+ if (suggest_fmt.speed != 0)
+ {
+ memcpy(&chosen_fmt, &suggest_fmt, sizeof(chosen_fmt));
+ Con_Printf (" Driver has suggested %dHz, %d bit, %d channels. Retrying...\n",
+ suggest_fmt.speed, suggest_fmt.width * 8,
+ suggest_fmt.channels);
+ }
+ // Else, try to find a less resource-demanding format
+ else if (!S_ChooseCheaperFormat (&chosen_fmt, fixed_speed, fixed_width, fixed_channels))
+ break;
+ }
+ } while (!accepted);
+
+ // If we haven't found a suitable format
+ if (!accepted)
+ {
+ Con_Print("S_Startup: SndSys_Init failed.\n");
sound_spatialized = false;
return;
}
}
+ else
+ {
+ snd_renderbuffer = Snd_CreateRingBuffer(&chosen_fmt, 0, NULL);
+ Con_Print ("S_Startup: simulating sound output\n");
+ }
- sound_started = true;
+ memcpy(&prev_render_format, &snd_renderbuffer->format, sizeof(prev_render_format));
+ Con_Printf("Sound format: %dHz, %d channels, %d bits per sample\n",
+ chosen_fmt.speed, chosen_fmt.channels, chosen_fmt.width * 8);
- Con_DPrintf("Sound sampling rate: %i\n", shm->format.speed);
+ // Update the cvars
+ if (snd_speed.integer != (int)chosen_fmt.speed)
+ Cvar_SetValueQuick(&snd_speed, chosen_fmt.speed);
+ if (snd_width.integer != chosen_fmt.width)
+ Cvar_SetValueQuick(&snd_width, chosen_fmt.width);
+ if (snd_channels.integer != chosen_fmt.channels)
+ Cvar_SetValueQuick(&snd_channels, chosen_fmt.channels);
- S_StopAllSounds ();
+ current_channellayout_used = SND_CHANNELLAYOUT_AUTO;
+ S_SetChannelLayout();
+
+ snd_starttime = realtime;
+
+ // If the sound module has already run, add an extra time to make sure
+ // the sound time doesn't decrease, to not confuse playing SFXs
+ if (oldpaintedtime != 0)
+ {
+ // The extra time must be a multiple of the render buffer size
+ // to avoid modifying the current position in the buffer,
+ // some modules write directly to a shared (DMA) buffer
+ extrasoundtime = oldpaintedtime + snd_renderbuffer->maxframes - 1;
+ extrasoundtime -= extrasoundtime % snd_renderbuffer->maxframes;
+ Con_DPrintf("S_Startup: extra sound time = %u\n", extrasoundtime);
+
+ soundtime = extrasoundtime;
+ }
+ else
+ extrasoundtime = 0;
+ snd_renderbuffer->startframe = soundtime;
+ snd_renderbuffer->endframe = soundtime;
+ recording_sound = false;
}
void S_Shutdown(void)
{
- if (!sound_started)
+ if (snd_renderbuffer == NULL)
return;
- if (fakedma)
- Mem_Free(shm->buffer);
+ oldpaintedtime = snd_renderbuffer->endframe;
+
+ if (simsound)
+ {
+ Mem_Free(snd_renderbuffer->ring);
+ Mem_Free(snd_renderbuffer);
+ snd_renderbuffer = NULL;
+ }
else
- SNDDMA_Shutdown();
+ SndSys_Shutdown();
- shm = NULL;
- sound_started = false;
sound_spatialized = false;
}
Cvar_RegisterVariable(&bgmvolume);
Cvar_RegisterVariable(&snd_staticvolume);
+ Cvar_RegisterVariable(&snd_speed);
+ Cvar_RegisterVariable(&snd_width);
+ Cvar_RegisterVariable(&snd_channels);
+
// COMMANDLINEOPTION: Sound: -nosound disables sound (including CD audio)
if (COM_CheckParm("-nosound") || COM_CheckParm("-safe"))
return;
// COMMANDLINEOPTION: Sound: -simsound runs sound mixing but with no output
if (COM_CheckParm("-simsound"))
- fakedma = true;
+ simsound = true;
- Cmd_AddCommand("play", S_Play);
- Cmd_AddCommand("play2", S_Play2);
- Cmd_AddCommand("playvol", S_PlayVol);
- Cmd_AddCommand("stopsound", S_StopAllSounds);
- Cmd_AddCommand("soundlist", S_SoundList);
- Cmd_AddCommand("soundinfo", S_SoundInfo_f);
- Cmd_AddCommand("snd_restart", S_Restart_f);
+ Cmd_AddCommand("play", S_Play_f, "play a sound at your current location (not heard by anyone else)");
+ Cmd_AddCommand("play2", S_Play2_f, "play a sound globally throughout the level (not heard by anyone else)");
+ Cmd_AddCommand("playvol", S_PlayVol_f, "play a sound at the specified volume level at your current location (not heard by anyone else)");
+ Cmd_AddCommand("stopsound", S_StopAllSounds, "silence");
+ Cmd_AddCommand("soundlist", S_SoundList_f, "list loaded sounds");
+ Cmd_AddCommand("soundinfo", S_SoundInfo_f, "print sound system information (such as channels and speed)");
+ Cmd_AddCommand("snd_restart", S_Restart_f, "restart sound system");
+ Cmd_AddCommand("snd_reload", S_Reload_f, "reload all sound files");
Cvar_RegisterVariable(&nosound);
Cvar_RegisterVariable(&snd_precache);
Cvar_RegisterVariable(&snd_initialized);
Cvar_RegisterVariable(&snd_streaming);
- Cvar_RegisterVariable(&bgmbuffer);
Cvar_RegisterVariable(&ambient_level);
Cvar_RegisterVariable(&ambient_fade);
Cvar_RegisterVariable(&snd_noextraupdate);
Cvar_RegisterVariable(&snd_show);
Cvar_RegisterVariable(&_snd_mixahead);
Cvar_RegisterVariable(&snd_swapstereo); // for people with backwards sound wiring
+ Cvar_RegisterVariable(&snd_channellayout);
+ Cvar_RegisterVariable(&snd_soundradius);
Cvar_SetValueQuick(&snd_initialized, true);
}
-// =======================================================================
-// Load a sound
-// =======================================================================
+/*
+================
+S_Terminate
+
+Shutdown and free all resources
+================
+*/
+void S_Terminate (void)
+{
+ S_Shutdown ();
+ OGG_CloseLibrary ();
+
+ // Free all SFXs
+ while (known_sfx != NULL)
+ S_FreeSfx (known_sfx, true);
+
+ Cvar_SetValueQuick (&snd_initialized, false);
+ Mem_FreePool (&snd_mempool);
+}
+
/*
==================
-S_FindName
+S_Reload_f
+==================
+*/
+void S_Reload_f (void)
+{
+ int i;
+
+ // stop any active sounds
+ S_StopAllSounds();
+
+ // because the ambient sounds will be freed, clear the pointers
+ for (i = 0;i < (int)sizeof (ambient_sfxs) / (int)sizeof (ambient_sfxs[0]);i++)
+ ambient_sfxs[i] = NULL;
+
+ // now free all sounds
+ while (known_sfx != NULL)
+ S_FreeSfx (known_sfx, true);
+}
+
+/*
+==================
+S_FindName
==================
*/
sfx_t *S_FindName (const char *name)
if (!snd_initialized.integer)
return NULL;
- // Add the default sound directory to the path
if (strlen (name) >= sizeof (sfx->name))
- Host_Error ("S_FindName: sound name too long (%s)", name);
+ {
+ Con_Printf ("S_FindName: sound name too long (%s)\n", name);
+ return NULL;
+ }
// Look for this sound in the list of known sfx
+ // TODO: hash table search?
for (sfx = known_sfx; sfx != NULL; sfx = sfx->next)
if(!strcmp (sfx->name, name))
return sfx;
// Add a sfx_t struct for this sound
- sfx = Mem_Alloc (snd_mempool, sizeof (*sfx));
+ sfx = (sfx_t *)Mem_Alloc (snd_mempool, sizeof (*sfx));
memset (sfx, 0, sizeof(*sfx));
strlcpy (sfx->name, name, sizeof (sfx->name));
+ sfx->memsize = sizeof(*sfx);
sfx->next = known_sfx;
known_sfx = sfx;
/*
==================
S_FreeSfx
-
==================
*/
-void S_FreeSfx (sfx_t *sfx)
+void S_FreeSfx (sfx_t *sfx, qboolean force)
{
- // Never free a locked sfx
- if (sfx->locks > 0)
+ unsigned int i;
+
+ // Never free a locked sfx unless forced
+ if (!force && (sfx->locks > 0 || (sfx->flags & SFXFLAG_PERMANENTLOCK)))
return;
Con_DPrintf ("S_FreeSfx: freeing %s\n", sfx->name);
break;
}
if (prev_sfx == NULL)
- Sys_Error ("S_FreeSfx: Can't find SFX %s in the list!\n", sfx->name);
+ {
+ Con_Printf ("S_FreeSfx: Can't find SFX %s in the list!\n", sfx->name);
+ return;
+ }
}
+ // Stop all channels using this sfx
+ for (i = 0; i < total_channels; i++)
+ if (channels[i].sfx == sfx)
+ S_StopChannel (i);
+
// Free it
- Mem_FreePool (&sfx->mempool);
+ if (sfx->fetcher != NULL && sfx->fetcher->free != NULL)
+ sfx->fetcher->free (sfx);
Mem_Free (sfx);
}
/*
==================
S_ServerSounds
-
==================
*/
void S_ServerSounds (char serversound [][MAX_QPATH], unsigned int numsounds)
{
sfx_t *sfx;
+ sfx_t *sfxnext;
unsigned int i;
// Start the ambient sounds and make them loop
- channels[AMBIENT_WATER].sfx = S_PrecacheSound ("sound/ambience/water1.wav", false, true);
- channels[AMBIENT_SKY].sfx = S_PrecacheSound ("sound/ambience/wind2.wav", false, true);
- for (i = 0; i < NUM_AMBIENTS; i++)
- channels[i].flags |= CHANNELFLAG_FORCELOOP;
+ for (i = 0; i < sizeof (ambient_sfxs) / sizeof (ambient_sfxs[0]); i++)
+ {
+ // Precache it if it's not done (request a lock to make sure it will never be freed)
+ if (ambient_sfxs[i] == NULL)
+ ambient_sfxs[i] = S_PrecacheSound (ambient_names[i], false, true);
+ if (ambient_sfxs[i] != NULL)
+ {
+ // Add a lock to the SFX while playing. It will be
+ // removed by S_StopAllSounds at the end of the level
+ S_LockSfx (ambient_sfxs[i]);
+
+ channels[i].sfx = ambient_sfxs[i];
+ channels[i].flags |= CHANNELFLAG_FORCELOOP;
+ channels[i].master_vol = 0;
+ }
+ }
// Remove 1 lock from all sfx with the SFXFLAG_SERVERSOUND flag, and remove the flag
for (sfx = known_sfx; sfx != NULL; sfx = sfx->next)
if (sfx->flags & SFXFLAG_SERVERSOUND)
{
- sfx->locks--;
+ S_UnlockSfx (sfx);
sfx->flags &= ~SFXFLAG_SERVERSOUND;
}
sfx = S_FindName (serversound[i]);
if (sfx != NULL)
{
- sfx->locks++;
+ // clear the FILEMISSING flag so that S_LoadSound will try again on a
+ // previously missing file
+ sfx->flags &= ~ SFXFLAG_FILEMISSING;
+ S_LockSfx (sfx);
sfx->flags |= SFXFLAG_SERVERSOUND;
}
}
// Free all unlocked sfx
- sfx = known_sfx;
- while (sfx != NULL)
+ for (sfx = known_sfx;sfx;sfx = sfxnext)
{
- sfx_t* crtsfx;
-
- // We may lose the "next" pointer after S_FreeSfx
- crtsfx = sfx;
- sfx = sfx->next;
-
- S_FreeSfx (crtsfx);
+ sfxnext = sfx->next;
+ S_FreeSfx (sfx, false);
}
}
/*
==================
S_PrecacheSound
-
==================
*/
sfx_t *S_PrecacheSound (const char *name, qboolean complain, qboolean lock)
if (!snd_initialized.integer)
return NULL;
+ if (name == NULL || name[0] == 0)
+ return NULL;
+
sfx = S_FindName (name);
+
if (sfx == NULL)
return NULL;
+ // clear the FILEMISSING flag so that S_LoadSound will try again on a
+ // previously missing file
+ sfx->flags &= ~ SFXFLAG_FILEMISSING;
+
if (lock)
- sfx->locks++;
+ S_LockSfx (sfx);
if (!nosound.integer && snd_precache.integer)
S_LoadSound(sfx, complain);
return sfx;
}
+/*
+==================
+S_IsSoundPrecached
+==================
+*/
+qboolean S_IsSoundPrecached (const sfx_t *sfx)
+{
+ return (sfx != NULL && sfx->fetcher != NULL);
+}
+
+/*
+==================
+S_LockSfx
+
+Add a lock to a SFX
+==================
+*/
+void S_LockSfx (sfx_t *sfx)
+{
+ sfx->locks++;
+}
+
/*
==================
S_UnlockSfx
-Remove a lock from a SFX and freed it if possible
+Remove a lock from a SFX
==================
*/
void S_UnlockSfx (sfx_t *sfx)
{
sfx->locks--;
- S_FreeSfx (sfx);
}
-//=============================================================================
+/*
+==================
+S_BlockSound
+==================
+*/
+void S_BlockSound (void)
+{
+ snd_blocked++;
+}
+
+
+/*
+==================
+S_UnblockSound
+==================
+*/
+void S_UnblockSound (void)
+{
+ snd_blocked--;
+}
+
/*
=================
{
int ch_idx;
int first_to_die;
- int life_left;
+ int first_life_left, life_left;
channel_t* ch;
// Check for replacement sound, or find the best one to replace
first_to_die = -1;
- life_left = 0x7fffffff;
+ first_life_left = 0x7fffffff;
for (ch_idx=NUM_AMBIENTS ; ch_idx < NUM_AMBIENTS + MAX_DYNAMIC_CHANNELS ; ch_idx++)
{
ch = &channels[ch_idx];
- if (entchannel != 0 // channel 0 never overrides
- && ch->entnum == entnum
- && (ch->entchannel == entchannel || entchannel == -1) )
- { // always override sound from same entity
- first_to_die = ch_idx;
- break;
+ if (entchannel != 0)
+ {
+ // try to override an existing channel
+ if (ch->entnum == entnum && (ch->entchannel == entchannel || entchannel == -1) )
+ {
+ // always override sound from same entity
+ first_to_die = ch_idx;
+ break;
+ }
+ }
+ else
+ {
+ if (!ch->sfx)
+ {
+ // no sound on this channel
+ first_to_die = ch_idx;
+ break;
+ }
}
- // don't let monster sounds override player sounds
- if (ch->entnum == cl.viewentity && entnum != cl.viewentity && ch->sfx)
- continue;
+ if (ch->sfx)
+ {
+ // don't let monster sounds override player sounds
+ if (ch->entnum == cl.viewentity && entnum != cl.viewentity)
+ continue;
- // don't override looped sounds
- if ((ch->flags & CHANNELFLAG_FORCELOOP) != 0 ||
- (ch->sfx != NULL && ch->sfx->loopstart >= 0))
- continue;
+ // don't override looped sounds
+ if ((ch->flags & CHANNELFLAG_FORCELOOP) || ch->sfx->loopstart >= 0)
+ continue;
+ }
- if (ch->end - paintedtime < life_left)
+ life_left = (int)(ch->end - snd_renderbuffer->endframe);
+ if (life_left < first_life_left)
{
- life_left = ch->end - paintedtime;
+ first_life_left = life_left;
first_to_die = ch_idx;
}
}
*/
void SND_Spatialize(channel_t *ch, qboolean isstatic)
{
- vec_t dist, scale, pan;
+ int i;
+ vec_t dist, mastervol, intensity, vol;
vec3_t source_vec;
+ // update sound origin if we know about the entity
+ if (ch->entnum > 0 && cls.state == ca_connected && cl.entities[ch->entnum].state_current.active)
+ {
+ //Con_Printf("-- entnum %i origin %f %f %f neworigin %f %f %f\n", ch->entnum, ch->origin[0], ch->origin[1], ch->origin[2], cl.entities[ch->entnum].state_current.origin[0], cl.entities[ch->entnum].state_current.origin[1], cl.entities[ch->entnum].state_current.origin[2]);
+ VectorCopy(cl.entities[ch->entnum].state_current.origin, ch->origin);
+ if (cl.entities[ch->entnum].state_current.modelindex && cl.model_precache[cl.entities[ch->entnum].state_current.modelindex] && cl.model_precache[cl.entities[ch->entnum].state_current.modelindex]->soundfromcenter)
+ VectorMAMAM(1.0f, ch->origin, 0.5f, cl.model_precache[cl.entities[ch->entnum].state_current.modelindex]->normalmins, 0.5f, cl.model_precache[cl.entities[ch->entnum].state_current.modelindex]->normalmaxs, ch->origin);
+ }
+
+ mastervol = ch->master_vol;
+ // Adjust volume of static sounds
+ if (isstatic)
+ mastervol *= snd_staticvolume.value;
+
// anything coming from the view entity will always be full volume
// LordHavoc: make sounds with ATTN_NONE have no spatialization
if (ch->entnum == cl.viewentity || ch->dist_mult == 0)
{
- ch->leftvol = ch->master_vol;
- ch->rightvol = ch->master_vol;
+ for (i = 0;i < SND_LISTENERS;i++)
+ {
+ vol = mastervol * snd_speakerlayout.listeners[i].ambientvolume;
+ ch->listener_volume[i] = (int)bound(0, vol, 255);
+ }
}
else
{
- // update sound origin if we know about the entity
- if (ch->entnum > 0 && cls.state == ca_connected && cl_entities[ch->entnum].state_current.active)
+ // calculate stereo seperation and distance attenuation
+ VectorSubtract(listener_origin, ch->origin, source_vec);
+ dist = VectorLength(source_vec);
+ intensity = mastervol * (1.0 - dist * ch->dist_mult);
+ if (intensity > 0)
{
- //Con_Printf("-- entnum %i origin %f %f %f neworigin %f %f %f\n", ch->entnum, ch->origin[0], ch->origin[1], ch->origin[2], cl_entities[ch->entnum].state_current.origin[0], cl_entities[ch->entnum].state_current.origin[1], cl_entities[ch->entnum].state_current.origin[2]);
- VectorCopy(cl_entities[ch->entnum].state_current.origin, ch->origin);
- if (cl_entities[ch->entnum].state_current.modelindex && cl.model_precache[cl_entities[ch->entnum].state_current.modelindex] && cl.model_precache[cl_entities[ch->entnum].state_current.modelindex]->soundfromcenter)
- VectorMAMAM(1.0f, ch->origin, 0.5f, cl.model_precache[cl_entities[ch->entnum].state_current.modelindex]->normalmins, 0.5f, cl.model_precache[cl_entities[ch->entnum].state_current.modelindex]->normalmaxs, ch->origin);
+ for (i = 0;i < SND_LISTENERS;i++)
+ {
+ Matrix4x4_Transform(&listener_matrix[i], ch->origin, source_vec);
+ VectorNormalize(source_vec);
+ vol = intensity * max(0, source_vec[0] * snd_speakerlayout.listeners[i].dotscale + snd_speakerlayout.listeners[i].dotbias);
+ ch->listener_volume[i] = (int)bound(0, vol, 255);
+ }
}
-
- // calculate stereo seperation and distance attenuation
- Matrix4x4_Transform(&listener_matrix, ch->origin, source_vec);
- dist = VectorNormalizeLength(source_vec);
- // distance
- scale = ch->master_vol * (1.0 - (dist * ch->dist_mult));
- // panning
- pan = scale * source_vec[1];
- // calculate the volumes
- ch->leftvol = (int) (scale + pan);
- ch->rightvol = (int) (scale - pan);
- }
-
- // Adjust volume of static sounds
- if (isstatic)
- {
- ch->leftvol *= snd_staticvolume.value;
- ch->rightvol *= snd_staticvolume.value;
+ else
+ for (i = 0;i < SND_LISTENERS;i++)
+ ch->listener_volume[i] = 0;
}
-
- // clamp volumes
- ch->leftvol = bound(0, ch->leftvol, 255);
- ch->rightvol = bound(0, ch->rightvol, 255);
}
// Initialize the channel
memset (target_chan, 0, sizeof (*target_chan));
VectorCopy (origin, target_chan->origin);
- target_chan->master_vol = fvol * 255;
+ target_chan->master_vol = (int)(fvol * 255);
target_chan->sfx = sfx;
- target_chan->end = paintedtime + sfx->total_length;
- target_chan->lastptime = paintedtime;
+ target_chan->end = snd_renderbuffer->endframe + sfx->total_length;
+ target_chan->lastptime = snd_renderbuffer->endframe;
target_chan->flags = flags;
// If it's a static sound
{
if (sfx->loopstart == -1)
Con_DPrintf("Quake compatibility warning: Static sound \"%s\" is not looped\n", sfx->name);
- target_chan->dist_mult = attenuation / (64.0f * sound_nominal_clip_dist);
+ target_chan->dist_mult = attenuation / (64.0f * snd_soundradius.value);
}
else
- target_chan->dist_mult = attenuation / sound_nominal_clip_dist;
+ target_chan->dist_mult = attenuation / snd_soundradius.value;
// Lock the SFX during play
- sfx->locks++;
+ S_LockSfx (sfx);
}
{
channel_t *target_chan, *check;
int ch_idx;
- size_t skip;
+ int skip;
- if (!sound_started || !sfx || nosound.integer)
+ if (snd_renderbuffer == NULL || sfx == NULL || nosound.integer)
return -1;
+ if (sfx->fetcher == NULL)
+ return -1;
+
+ if (entnum && entnum >= cl.max_entities)
+ CL_ExpandEntities(entnum);
+
// Pick a channel to play on
target_chan = SND_PickChannel(entnum, entchannel);
if (!target_chan)
return -1;
- if (!S_LoadSound (sfx, true))
- return -1; // couldn't load the sound's data
-
S_PlaySfxOnChannel (sfx, target_chan, CHANNELFLAG_NONE, origin, fvol, attenuation, false);
target_chan->entnum = entnum;
target_chan->entchannel = entchannel;
continue;
if (check->sfx == sfx && !check->pos)
{
- skip = 0.1 * sfx->format.speed;
- if (skip > sfx->total_length)
- skip = sfx->total_length;
+ skip = (int)(0.1 * snd_renderbuffer->format.speed);
+ if (skip > (int)sfx->total_length)
+ skip = (int)sfx->total_length;
if (skip > 0)
skip = rand() % skip;
target_chan->pos += skip;
if (sfx->fetcher != NULL)
{
- snd_fetcher_end_t fetcher_end = sfx->fetcher->end;
- if (fetcher_end != NULL)
- fetcher_end (ch);
+ snd_fetcher_endsb_t fetcher_endsb = sfx->fetcher->endsb;
+ if (fetcher_endsb != NULL)
+ fetcher_endsb (ch);
}
// Remove the lock it holds
}
}
+extern void CDAudio_Stop(void);
void S_StopAllSounds (void)
{
unsigned int i;
+ // TOCHECK: is this test necessary?
+ if (snd_renderbuffer == NULL)
+ return;
+
+ // stop CD audio because it may be using a faketrack
+ CDAudio_Stop();
+
for (i = 0; i < total_channels; i++)
S_StopChannel (i);
total_channels = MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS; // no statics
memset(channels, 0, MAX_CHANNELS * sizeof(channel_t));
- S_ClearBuffer ();
+ // Mute the contents of the submittion buffer
+ if (simsound || SndSys_LockRenderBuffer ())
+ {
+ int clear;
+ size_t memsize;
+
+ clear = (snd_renderbuffer->format.width == 1) ? 0x80 : 0;
+ memsize = snd_renderbuffer->maxframes * snd_renderbuffer->format.width * snd_renderbuffer->format.channels;
+ memset(snd_renderbuffer->ring, clear, memsize);
+
+ if (!simsound)
+ SndSys_UnlockRenderBuffer ();
+ }
}
void S_PauseGameSounds (qboolean toggle)
void S_SetChannelVolume (unsigned int ch_ind, float fvol)
{
- channels[ch_ind].master_vol = fvol * 255;
-}
-
-
-void S_ClearBuffer(void)
-{
- int clear;
- unsigned char *pbuf;
-
- if (!sound_started || !shm)
- return;
-
- if (shm->format.width == 1)
- clear = 0x80; // 8 bit sound (unsigned)
- else
- clear = 0; // 16 bit sound (signed)
-
- pbuf = S_LockBuffer();
- if (pbuf != NULL)
- {
- int setsize = shm->samples * shm->format.width;
-
- while (setsize--)
- *pbuf++ = clear;
-
- // on i586/i686 optimized versions of glibc, glibc *wrongly* IMO,
- // reads the memory area before writing to it causing a seg fault
- // since the memory is PROT_WRITE only and not PROT_READ|PROT_WRITE
- //memset(shm->buffer, clear, shm->samples * shm->format.width);
-
- S_UnlockBuffer ();
- }
+ channels[ch_ind].master_vol = (int)(fvol * 255.0f);
}
{
channel_t *target_chan;
- if (!sfx)
+ if (snd_renderbuffer == NULL || sfx == NULL || nosound.integer)
return;
-
- if (total_channels == MAX_CHANNELS)
+ if (!sfx->fetcher)
{
- Con_Print("total_channels == MAX_CHANNELS\n");
+ Con_DPrintf ("S_StaticSound: \"%s\" hasn't been precached\n", sfx->name);
return;
}
- if (!S_LoadSound (sfx, true))
+ if (total_channels == MAX_CHANNELS)
+ {
+ Con_Print("S_StaticSound: total_channels == MAX_CHANNELS\n");
return;
+ }
target_chan = &channels[total_channels++];
S_PlaySfxOnChannel (sfx, target_chan, CHANNELFLAG_FORCELOOP, origin, fvol, attenuation, true);
}
-//=============================================================================
-
/*
===================
S_UpdateAmbientSounds
-
===================
*/
void S_UpdateAmbientSounds (void)
{
- float vol;
+ int i;
+ int vol;
int ambient_channel;
channel_t *chan;
- qbyte ambientlevels[NUM_AMBIENTS];
-
- // Mute ambient sounds until proven otherwise
- for (ambient_channel = 0 ; ambient_channel < NUM_AMBIENTS;ambient_channel++)
- channels[ambient_channel].master_vol = 0;
+ unsigned char ambientlevels[NUM_AMBIENTS];
- if (ambient_level.value <= 0 || !cl.worldmodel || !cl.worldmodel->brush.AmbientSoundLevelsForPoint)
- return;
-
- cl.worldmodel->brush.AmbientSoundLevelsForPoint(cl.worldmodel, listener_origin, ambientlevels, sizeof(ambientlevels));
+ memset(ambientlevels, 0, sizeof(ambientlevels));
+ if (cl.worldmodel && cl.worldmodel->brush.AmbientSoundLevelsForPoint)
+ cl.worldmodel->brush.AmbientSoundLevelsForPoint(cl.worldmodel, listener_origin, ambientlevels, sizeof(ambientlevels));
// Calc ambient sound levels
for (ambient_channel = 0 ; ambient_channel< NUM_AMBIENTS ; ambient_channel++)
{
chan = &channels[ambient_channel];
- if (chan->sfx == NULL || (chan->sfx->flags & SFXFLAG_FILEMISSING))
+ if (chan->sfx == NULL || chan->sfx->fetcher == NULL)
continue;
- vol = ambient_level.value * ambientlevels[ambient_channel];
+ vol = (int)ambientlevels[ambient_channel];
if (vol < 8)
vol = 0;
// Don't adjust volume too fast
+ // FIXME: this rounds off to an int each frame, meaning there is little to no fade at extremely high framerates!
if (chan->master_vol < vol)
{
- chan->master_vol += host_realframetime * ambient_fade.value;
+ chan->master_vol += (int)(cl.realframetime * ambient_fade.value);
if (chan->master_vol > vol)
chan->master_vol = vol;
}
else if (chan->master_vol > vol)
{
- chan->master_vol -= host_realframetime * ambient_fade.value;
+ chan->master_vol -= (int)(cl.realframetime * ambient_fade.value);
if (chan->master_vol < vol)
chan->master_vol = vol;
}
- chan->leftvol = chan->rightvol = chan->master_vol;
+ for (i = 0;i < SND_LISTENERS;i++)
+ chan->listener_volume[i] = (int)(chan->master_vol * ambient_level.value * snd_speakerlayout.listeners[i].ambientvolume);
}
}
+static void S_PaintAndSubmit (void)
+{
+ unsigned int newsoundtime, paintedtime, endtime, maxtime, usedframes;
+
+ if (snd_renderbuffer == NULL || nosound.integer)
+ return;
+
+ if (snd_blocked > 0 && !(cls.capturevideo.soundrate && !cls.capturevideo.realtime))
+ return;
+
+ // Update sound time
+ if (cls.capturevideo.soundrate && !cls.capturevideo.realtime) // SUPER NASTY HACK to record non-realtime sound
+ newsoundtime = (unsigned int)((double)cls.capturevideo.frame * (double)snd_renderbuffer->format.speed / (double)cls.capturevideo.framerate);
+ else if (simsound)
+ newsoundtime = (unsigned int)((realtime - snd_starttime) * (double)snd_renderbuffer->format.speed);
+ else
+ newsoundtime = SndSys_GetSoundTime();
+
+ newsoundtime += extrasoundtime;
+ if (newsoundtime < soundtime)
+ {
+ if ((cls.capturevideo.soundrate != 0) != recording_sound)
+ {
+ unsigned int additionaltime;
+
+ // add some time to extrasoundtime make newsoundtime higher
+
+ // The extra time must be a multiple of the render buffer size
+ // to avoid modifying the current position in the buffer,
+ // some modules write directly to a shared (DMA) buffer
+ additionaltime = (soundtime - newsoundtime) + snd_renderbuffer->maxframes - 1;
+ additionaltime -= additionaltime % snd_renderbuffer->maxframes;
+
+ extrasoundtime += additionaltime;
+ newsoundtime += additionaltime;
+ Con_DPrintf("S_PaintAndSubmit: new extra sound time = %u\n",
+ extrasoundtime);
+ }
+ else
+ Con_Printf("S_PaintAndSubmit: WARNING: newsoundtime < soundtime (%u < %u)\n",
+ newsoundtime, soundtime);
+ }
+ soundtime = newsoundtime;
+ recording_sound = (cls.capturevideo.soundrate != 0);
+
+ // Check to make sure that we haven't overshot
+ paintedtime = snd_renderbuffer->endframe;
+ if (paintedtime < soundtime)
+ paintedtime = soundtime;
+
+ // mix ahead of current position
+ endtime = soundtime + (unsigned int)(_snd_mixahead.value * (float)snd_renderbuffer->format.speed);
+ usedframes = snd_renderbuffer->endframe - snd_renderbuffer->startframe;
+ maxtime = paintedtime + snd_renderbuffer->maxframes - usedframes;
+ endtime = min(endtime, maxtime);
+
+ S_PaintChannels(snd_renderbuffer, paintedtime, endtime);
+
+ if (simsound)
+ snd_renderbuffer->startframe = snd_renderbuffer->endframe;
+ else
+ SndSys_Submit();
+}
/*
============
{
unsigned int i, j, total;
channel_t *ch, *combine;
+ matrix4x4_t basematrix, rotatematrix;
- if (!snd_initialized.integer || (snd_blocked > 0))
+ if (snd_renderbuffer == NULL || nosound.integer)
return;
- Matrix4x4_Invert_Simple(&listener_matrix, listenermatrix);
+ if (snd_blocked > 0 && !(cls.capturevideo.soundrate && !cls.capturevideo.realtime))
+ return;
+
+ // If snd_swapstereo or snd_channellayout has changed, recompute the channel layout
+ if (current_swapstereo != snd_swapstereo.integer ||
+ current_channellayout != snd_channellayout.integer)
+ S_SetChannelLayout();
+
+ Matrix4x4_Invert_Simple(&basematrix, listenermatrix);
Matrix4x4_OriginFromMatrix(listenermatrix, listener_origin);
+ // calculate the current matrices
+ for (j = 0;j < SND_LISTENERS;j++)
+ {
+ Matrix4x4_CreateFromQuakeEntity(&rotatematrix, 0, 0, 0, 0, -snd_speakerlayout.listeners[j].yawangle, 0, 1);
+ Matrix4x4_Concat(&listener_matrix[j], &rotatematrix, &basematrix);
+ // I think this should now do this:
+ // 1. create a rotation matrix for rotating by e.g. -90 degrees CCW
+ // (note: the matrix will rotate the OBJECT, not the VIEWER, so its
+ // angle has to be taken negative)
+ // 2. create a transform which first rotates and moves its argument
+ // into the player's view coordinates (using basematrix which is
+ // an inverted "absolute" listener matrix), then applies the
+ // rotation matrix for the ear
+ // Isn't Matrix4x4_CreateFromQuakeEntity a bit misleading because this
+ // does not actually refer to an entity?
+ }
+
// update general area ambient sound sources
S_UpdateAmbientSounds ();
{
if (!ch->sfx)
continue;
- SND_Spatialize(ch, i >= MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS); // respatialize channel
- if (!ch->leftvol && !ch->rightvol)
- continue;
+
+ // respatialize channel
+ SND_Spatialize(ch, i >= MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS);
// try to combine static sounds with a previous channel of the same
// sound effect so we don't mix five torches every frame
if (i > MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS)
{
- // see if it can just use the last one
- if (combine && combine->sfx == ch->sfx)
- {
- combine->leftvol += ch->leftvol;
- combine->rightvol += ch->rightvol;
- ch->leftvol = ch->rightvol = 0;
- continue;
- }
- // search for one
- combine = channels+MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS;
- for (j=MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS ; j<i; j++, combine++)
- if (combine->sfx == ch->sfx)
+ // no need to merge silent channels
+ for (j = 0;j < SND_LISTENERS;j++)
+ if (ch->listener_volume[j])
break;
-
- if (j == total_channels)
+ if (j == SND_LISTENERS)
+ continue;
+ // if the last combine chosen isn't suitable, find a new one
+ if (!(combine && combine != ch && combine->sfx == ch->sfx))
+ {
+ // search for one
combine = NULL;
- else
+ for (j = MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS;j < i;j++)
+ {
+ if (channels[j].sfx == ch->sfx)
+ {
+ combine = channels + j;
+ break;
+ }
+ }
+ }
+ if (combine && combine != ch && combine->sfx == ch->sfx)
{
- if (combine != ch)
+ for (j = 0;j < SND_LISTENERS;j++)
{
- combine->leftvol += ch->leftvol;
- combine->rightvol += ch->rightvol;
- ch->leftvol = ch->rightvol = 0;
+ combine->listener_volume[j] += ch->listener_volume[j];
+ ch->listener_volume[j] = 0;
}
- continue;
}
}
}
total = 0;
ch = channels;
for (i=0 ; i<total_channels; i++, ch++)
- if (ch->sfx && (ch->leftvol || ch->rightvol) )
- total++;
+ {
+ if (ch->sfx)
+ {
+ for (j = 0;j < SND_LISTENERS;j++)
+ if (ch->listener_volume[j])
+ break;
+ if (j < SND_LISTENERS)
+ total++;
+ }
+ }
Con_Printf("----(%u)----\n", total);
}
- S_Update_();
-}
-
-void GetSoundtime(void)
-{
- int samplepos;
- static int buffers;
- static int oldsamplepos;
- int fullsamples;
-
- fullsamples = shm->samples / shm->format.channels;
-
- // it is possible to miscount buffers if it has wrapped twice between
- // calls to S_Update. Oh well.
- samplepos = SNDDMA_GetDMAPos();
-
- if (samplepos < oldsamplepos)
- {
- buffers++; // buffer wrapped
-
- if (paintedtime > 0x40000000)
- { // time to chop things off to avoid 32 bit limits
- buffers = 0;
- paintedtime = fullsamples;
- S_StopAllSounds ();
- }
- }
- oldsamplepos = samplepos;
-
- soundtime = buffers * fullsamples + samplepos / shm->format.channels;
+ S_PaintAndSubmit();
}
void S_ExtraUpdate (void)
if (snd_noextraupdate.integer || !sound_spatialized)
return;
- S_Update_();
+ S_PaintAndSubmit();
}
-void S_Update_(void)
-{
- unsigned endtime;
- int samps;
-
- if (!sound_started || (snd_blocked > 0))
- return;
-
- // Updates DMA time
- GetSoundtime();
-
- // check to make sure that we haven't overshot
- if (paintedtime < soundtime)
- paintedtime = soundtime;
-
- // mix ahead of current position
- endtime = soundtime + _snd_mixahead.value * shm->format.speed;
- samps = shm->samples >> (shm->format.channels - 1);
- if (endtime > (unsigned int)(soundtime + samps))
- endtime = soundtime + samps;
-
- S_PaintChannels (endtime);
-
- SNDDMA_Submit ();
-}
-
-/*
-===============================================================================
-
-console functions
-
-===============================================================================
-*/
-
-static void S_Play_Common(float fvol, float attenuation)
-{
- int i, ch_ind;
- char name[256];
- sfx_t *sfx;
-
- i = 1;
- while (i<Cmd_Argc())
- {
- if (!strrchr(Cmd_Argv(i), '.'))
- snprintf(name, sizeof(name), "%s.wav", Cmd_Argv(i));
- else
- strlcpy(name, Cmd_Argv(i), sizeof(name));
- sfx = S_PrecacheSound (name, true, false);
-
- // If we need to get the volume from the command line
- if (fvol == -1.0f)
- {
- fvol = atof(Cmd_Argv(i+1));
- i += 2;
- }
- else
- i++;
-
- ch_ind = S_StartSound(-1, 0, sfx, listener_origin, fvol, attenuation);
-
- // Free the sfx if the file didn't exist
- if (ch_ind < 0)
- S_FreeSfx (sfx);
- else
- channels[ch_ind].flags |= CHANNELFLAG_LOCALSOUND;
- }
-}
-
-void S_Play(void)
-{
- S_Play_Common (1.0f, 1.0f);
-}
-
-void S_Play2(void)
-{
- S_Play_Common (1.0f, 0.0f);
-}
-
-void S_PlayVol(void)
-{
- S_Play_Common (-1.0f, 0.0f);
-}
-
-void S_SoundList(void)
-{
- unsigned int i;
- sfx_t *sfx;
- int size, total;
-
- total = 0;
- for (sfx = known_sfx, i = 0; sfx != NULL; sfx = sfx->next, i++)
- {
- if (sfx->fetcher != NULL)
- {
- size = sfx->mempool->totalsize;
- total += size;
- Con_Printf ("%c%c(%2db, %6s) %8i : %s\n",
- (sfx->loopstart >= 0) ? 'L' : ' ',
- (sfx->flags & SFXFLAG_STREAMED) ? 'S' : ' ',
- sfx->format.width * 8,
- (sfx->format.channels == 1) ? "mono" : "stereo",
- size,
- sfx->name);
- }
- }
- Con_Printf("Total resident: %i\n", total);
-}
-
-
qboolean S_LocalSound (const char *sound)
{
sfx_t *sfx;
return false;
}
- ch_ind = S_StartSound (cl.viewentity, 0, sfx, vec3_origin, 1, 1);
+ // Local sounds must not be freed
+ sfx->flags |= SFXFLAG_PERMANENTLOCK;
+
+ ch_ind = S_StartSound (cl.viewentity, 0, sfx, vec3_origin, 1, 0);
if (ch_ind < 0)
return false;