19fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#include <unistd.h> 29fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#include <fcntl.h> 39fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#include <stdlib.h> 49fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#include <sys/types.h> 59fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#include <sys/ioctl.h> 69fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#include <sys/mman.h> 79fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#include <sys/shm.h> 89fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#include <sys/wait.h> 99fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#include <linux/soundcard.h> 109fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#include <stdio.h> 119fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream#include "quakedef.h" 129fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 139fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint audio_fd; 149fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint snd_inited; 159fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 169fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamstatic int tryrates[] = { 11025, 22051, 44100, 8000 }; 179fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 189fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamqboolean SNDDMA_Init(void) 199fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 209fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 219fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int rc; 229fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int fmt; 239fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int tmp; 249fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int i; 259fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream char *s; 269fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream struct audio_buf_info info; 279fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream int caps; 289fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 299fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream snd_inited = 0; 309fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 319fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// open /dev/dsp, confirm capability to mmap, and get size of dma buffer 329fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 339fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream audio_fd = open("/dev/dsp", O_RDWR); 349fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (audio_fd < 0) 359fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 369fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream perror("/dev/dsp"); 379fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Con_Printf("Could not open /dev/dsp\n"); 389fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return 0; 399fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 409fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 419fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream rc = ioctl(audio_fd, SNDCTL_DSP_RESET, 0); 429fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (rc < 0) 439fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 449fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream perror("/dev/dsp"); 459fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Con_Printf("Could not reset /dev/dsp\n"); 469fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream close(audio_fd); 479fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return 0; 489fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 499fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 509fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (ioctl(audio_fd, SNDCTL_DSP_GETCAPS, &caps)==-1) 519fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 529fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream perror("/dev/dsp"); 539fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Con_Printf("Sound driver too old\n"); 549fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream close(audio_fd); 559fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return 0; 569fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 579fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 589fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (!(caps & DSP_CAP_TRIGGER) || !(caps & DSP_CAP_MMAP)) 599fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 609fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Con_Printf("Sorry but your soundcard can't do this\n"); 619fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream close(audio_fd); 629fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return 0; 639fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 649fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 659fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (ioctl(audio_fd, SNDCTL_DSP_GETOSPACE, &info)==-1) 669fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 679fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream perror("GETOSPACE"); 689fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Con_Printf("Um, can't do GETOSPACE?\n"); 699fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream close(audio_fd); 709fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return 0; 719fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 729fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 739fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream shm = &sn; 749fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream shm->splitbuffer = 0; 759fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 769fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// set sample bits & speed 779fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 789fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream s = getenv("QUAKE_SOUND_SAMPLEBITS"); 799fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (s) shm->samplebits = atoi(s); 809fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream else if ((i = COM_CheckParm("-sndbits")) != 0) 819fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream shm->samplebits = atoi(com_argv[i+1]); 829fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (shm->samplebits != 16 && shm->samplebits != 8) 839fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 849fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream ioctl(audio_fd, SNDCTL_DSP_GETFMTS, &fmt); 859fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (fmt & AFMT_S16_LE) shm->samplebits = 16; 869fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream else if (fmt & AFMT_U8) shm->samplebits = 8; 879fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 889fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 899fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream s = getenv("QUAKE_SOUND_SPEED"); 909fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (s) shm->speed = atoi(s); 919fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream else if ((i = COM_CheckParm("-sndspeed")) != 0) 929fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream shm->speed = atoi(com_argv[i+1]); 939fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream else 949fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 959fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream for (i=0 ; i<sizeof(tryrates)/4 ; i++) 969fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (!ioctl(audio_fd, SNDCTL_DSP_SPEED, &tryrates[i])) break; 979fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream shm->speed = tryrates[i]; 989fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 999fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1009fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream s = getenv("QUAKE_SOUND_CHANNELS"); 1019fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (s) shm->channels = atoi(s); 1029fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream else if ((i = COM_CheckParm("-sndmono")) != 0) 1039fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream shm->channels = 1; 1049fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream else if ((i = COM_CheckParm("-sndstereo")) != 0) 1059fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream shm->channels = 2; 1069fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream else shm->channels = 2; 1079fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1089fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream shm->samples = info.fragstotal * info.fragsize / (shm->samplebits/8); 1099fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream shm->submission_chunk = 1; 1109fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1119fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// memory map the dma buffer 1129fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1139fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream shm->buffer = (unsigned char *) mmap(NULL, info.fragstotal 1149fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream * info.fragsize, PROT_WRITE, MAP_FILE|MAP_SHARED, audio_fd, 0); 1159fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (!shm->buffer) 1169fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 1179fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream perror("/dev/dsp"); 1189fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Con_Printf("Could not mmap /dev/dsp\n"); 1199fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream close(audio_fd); 1209fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return 0; 1219fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 1229fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1239fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream tmp = 0; 1249fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (shm->channels == 2) 1259fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream tmp = 1; 1269fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream rc = ioctl(audio_fd, SNDCTL_DSP_STEREO, &tmp); 1279fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (rc < 0) 1289fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 1299fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream perror("/dev/dsp"); 1309fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Con_Printf("Could not set /dev/dsp to stereo=%d", shm->channels); 1319fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream close(audio_fd); 1329fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return 0; 1339fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 1349fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (tmp) 1359fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream shm->channels = 2; 1369fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream else 1379fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream shm->channels = 1; 1389fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1399fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream rc = ioctl(audio_fd, SNDCTL_DSP_SPEED, &shm->speed); 1409fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (rc < 0) 1419fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 1429fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream perror("/dev/dsp"); 1439fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Con_Printf("Could not set /dev/dsp speed to %d", shm->speed); 1449fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream close(audio_fd); 1459fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return 0; 1469fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 1479fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1489fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (shm->samplebits == 16) 1499fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 1509fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream rc = AFMT_S16_LE; 1519fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream rc = ioctl(audio_fd, SNDCTL_DSP_SETFMT, &rc); 1529fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (rc < 0) 1539fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 1549fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream perror("/dev/dsp"); 1559fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Con_Printf("Could not support 16-bit data. Try 8-bit.\n"); 1569fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream close(audio_fd); 1579fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return 0; 1589fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 1599fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 1609fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream else if (shm->samplebits == 8) 1619fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 1629fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream rc = AFMT_U8; 1639fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream rc = ioctl(audio_fd, SNDCTL_DSP_SETFMT, &rc); 1649fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (rc < 0) 1659fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 1669fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream perror("/dev/dsp"); 1679fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Con_Printf("Could not support 8-bit data.\n"); 1689fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream close(audio_fd); 1699fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return 0; 1709fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 1719fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 1729fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream else 1739fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 1749fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream perror("/dev/dsp"); 1759fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Con_Printf("%d-bit sound not supported.", shm->samplebits); 1769fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream close(audio_fd); 1779fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return 0; 1789fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 1799fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1809fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// toggle the trigger & start her up 1819fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 1829fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream tmp = 0; 1839fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream rc = ioctl(audio_fd, SNDCTL_DSP_SETTRIGGER, &tmp); 1849fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (rc < 0) 1859fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 1869fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream perror("/dev/dsp"); 1879fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Con_Printf("Could not toggle.\n"); 1889fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream close(audio_fd); 1899fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return 0; 1909fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 1919fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream tmp = PCM_ENABLE_OUTPUT; 1929fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream rc = ioctl(audio_fd, SNDCTL_DSP_SETTRIGGER, &tmp); 1939fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (rc < 0) 1949fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 1959fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream perror("/dev/dsp"); 1969fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Con_Printf("Could not toggle.\n"); 1979fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream close(audio_fd); 1989fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return 0; 1999fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 2009fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2019fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream shm->samplepos = 0; 2029fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2039fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream snd_inited = 1; 2049fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return 1; 2059fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2069fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 2079fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2089fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamint SNDDMA_GetDMAPos(void) 2099fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 2109fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2119fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream struct count_info count; 2129fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2139fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (!snd_inited) return 0; 2149fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2159fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (ioctl(audio_fd, SNDCTL_DSP_GETOPTR, &count)==-1) 2169fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 2179fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream perror("/dev/dsp"); 2189fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream Con_Printf("Uh, sound dead.\n"); 2199fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream close(audio_fd); 2209fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream snd_inited = 0; 2219fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return 0; 2229fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 2239fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// shm->samplepos = (count.bytes / (shm->samplebits / 8)) & (shm->samples-1); 2249fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream// fprintf(stderr, "%d \r", count.ptr); 2259fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream shm->samplepos = count.ptr / (shm->samplebits / 8); 2269fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2279fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream return shm->samplepos; 2289fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2299fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 2309fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2319fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid SNDDMA_Shutdown(void) 2329fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 2339fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream if (snd_inited) 2349fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream { 2359fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream close(audio_fd); 2369fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream snd_inited = 0; 2379fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream } 2389fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 2399fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2409fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream/* 2419fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream============== 2429fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamSNDDMA_Submit 2439fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 2449fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamSend sound to device if buffer isn't really the dma buffer 2459fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream=============== 2469fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream*/ 2479fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstreamvoid SNDDMA_Submit(void) 2489fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream{ 2499fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream} 2509fd67c44777b350dc56f3e70c88963b0d966ffc7quake upstream 251