diff --git a/source/snd_alsa_0_6.c b/source/snd_alsa_0_6.c deleted file mode 100644 index ed726b2..0000000 --- a/source/snd_alsa_0_6.c +++ /dev/null @@ -1,354 +0,0 @@ -/* - snd_alsa_0_6.c - - (description) - - Copyright (C) 1999,2000 contributors of the QuakeForge project - Please see the file "AUTHORS" for a list of contributors - - This program is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License - as published by the Free Software Foundation; either version 2 - of the License, or (at your option) any later version. - - 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. - - See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to: - - Free Software Foundation, Inc. - 59 Temple Place - Suite 330 - Boston, MA 02111-1307, USA - - $Id$ -*/ - -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif - -#include - -#include - -#include "console.h" -#include "qargs.h" -#include "sound.h" -#include "va.h" - -static int snd_inited; - -static snd_pcm_t *pcm_handle; -static snd_pcm_hw_info_t hwinfo; -static snd_pcm_hw_params_t hwparams; -static snd_pcm_sw_params_t swparams; -static const snd_pcm_channel_area_t *mmap_running_areas; -static int card = -1, dev = -1; - -int -check_card (int card) -{ - snd_ctl_t *handle; - int rc; - - if ((rc = snd_ctl_open (&handle, va ("hw:%d", card))) < 0) { - Con_Printf ("Error: control open (%i): %s\n", card, snd_strerror (rc)); - return rc; - } - if (dev == -1) { - while (1) { - if ((rc = snd_ctl_pcm_next_device (handle, &dev)) < 0) { - Con_Printf ("Error: next device: %s\n", snd_strerror (rc)); - return rc; - } - if (dev < 0) - break; - if ((rc = snd_pcm_open (&pcm_handle, va ("hw:%d,%d", card, dev), - SND_PCM_STREAM_PLAYBACK, - SND_PCM_NONBLOCK)) == 0) { - goto exit; - } - } - } else { - if ((rc = snd_pcm_open (&pcm_handle, va ("hw:%d,%d", card, dev), - SND_PCM_STREAM_PLAYBACK, - SND_PCM_NONBLOCK)) == 0) { - goto exit; - } - Con_Printf ("Error: snd_pcm_open %d: %s\n", dev, snd_strerror (rc)); - goto exit; - } - rc = 1; -exit: - snd_ctl_close(handle); - return rc; -} - -qboolean -SNDDMA_Init (void) -{ - int rc = 0, i; - char *err_msg = ""; - int rate = -1, format = -1, stereo = -1, frag_size; - - if ((i = COM_CheckParm ("-sndcard")) != 0) { - card = atoi (com_argv[i + 1]); - } - if ((i = COM_CheckParm ("-snddev")) != 0) { - dev = atoi (com_argv[i + 1]); - } - if ((i = COM_CheckParm ("-sndbits")) != 0) { - i = atoi (com_argv[i + 1]); - if (i == 16) { - format = SND_PCM_FMTBIT_S16_LE; - } else if (i == 8) { - format = SND_PCM_FMTBIT_U8; - } else { - Con_Printf ("Error: invalid sample bits: %d\n", i); - return 0; - } - } - if ((i = COM_CheckParm ("-sndspeed")) != 0) { - rate = atoi (com_argv[i + 1]); - if (rate != 44100 && rate != 22050 && rate != 11025) { - Con_Printf ("Error: invalid sample rate: %d\n", rate); - return 0; - } - } - if ((i = COM_CheckParm ("-sndmono")) != 0) { - stereo = 0; - } - if (card == -1) { - if (snd_card_next(&card) < 0 || card < 0) { - Con_Printf ("No sound cards detected\n"); - return 0; - } - while (card >= 0) { - rc = check_card (card); - if (rc < 0) - return 0; - if (!rc) - goto dev_openned; - } - } else { - if (dev == -1) { - rc = check_card (card); - if (rc < 0) - return 0; - if (!rc) - goto dev_openned; - } else { - if ((rc = snd_pcm_open (&pcm_handle, va ("hw:%d,%d", card, dev), - SND_PCM_STREAM_PLAYBACK, - SND_PCM_NONBLOCK)) == 0) { - Con_Printf ("Error: audio open error: %s\n", snd_strerror (rc)); - return 0; - } - goto dev_openned; - } - } - Con_Printf ("Error: audio open error: %s\n", snd_strerror (rc)); - return 0; - - dev_openned: - Con_Printf ("Using card %d, device %d.\n", card, dev); - memset (&hwinfo, 0, sizeof (hwinfo)); - snd_pcm_hw_info_any (&hwinfo); - hwinfo.access_mask = SND_PCM_ACCBIT_MMAP_INTERLEAVED; - err_msg = "snd_pcm_hw_info"; - if ((rc = snd_pcm_hw_info (pcm_handle, &hwinfo)) < 0) - goto error; - Con_Printf ("%08x %08x\n", hwinfo.access_mask, hwinfo.format_mask); - rate = 44100; - frag_size = 4; -#if 0 // XXX - if ((rate == -1 || rate == 44100) && hwinfo.rates & SND_PCM_RATE_44100) { - rate = 44100; - frag_size = 256; /* assuming stereo 8 bit */ - } else if ((rate == -1 || rate == 22050) - && hwinfo.rates & SND_PCM_RATE_22050) { - rate = 22050; - frag_size = 128; /* assuming stereo 8 bit */ - } else if ((rate == -1 || rate == 11025) - && hwinfo.rates & SND_PCM_RATE_11025) { - rate = 11025; - frag_size = 64; /* assuming stereo 8 bit */ - } else { - Con_Printf ("ALSA: desired rates not supported\n"); - goto error_2; - } -#endif - if ((format == -1 || format == SND_PCM_FMTBIT_S16_LE) - && hwinfo.format_mask & SND_PCM_FORMAT_S16_LE) { - format = SND_PCM_FORMAT_S16_LE; - } else if ((format == -1 || format == SND_PCM_FORMAT_U8) - && hwinfo.format_mask & SND_PCM_FORMAT_U8) { - format = SND_PCM_FORMAT_U8; - } else { - Con_Printf ("ALSA: desired formats not supported\n"); - goto error_2; - } - // XXX can't support non-interleaved stereo - if (stereo && (hwinfo.access_mask & SND_PCM_ACCBIT_MMAP_INTERLEAVED) - && hwinfo.channels_max >= 2) { - stereo = 1; - } else { - stereo = 0; - } - - memset (&hwparams, 0, sizeof (hwparams)); - // XXX can't support non-interleaved stereo - hwparams.access = stereo ? SND_PCM_ACCESS_MMAP_INTERLEAVED - : SND_PCM_ACCESS_MMAP_NONINTERLEAVED; - hwparams.format = format; - hwparams.rate = rate; - hwparams.channels = stereo + 1; - - hwparams.fragment_size = 32; - hwparams.fragments = 512; - - err_msg = "snd_pcm_hw_params"; - if ((rc = snd_pcm_hw_params (pcm_handle, &hwparams)) < 0) { - Con_Printf("failed: %08x\n", hwparams.fail_mask); - goto error; - } - - memset (&swparams, 0, sizeof (swparams)); - swparams.start_mode = SND_PCM_START_EXPLICIT; - swparams.xrun_mode = SND_PCM_XRUN_FRAGMENT; - swparams.xfer_min = 1; - swparams.xfer_align = 1; - err_msg = "snd_pcm_sw_params"; - if ((rc = snd_pcm_sw_params (pcm_handle, &swparams)) < 0) { - Con_Printf("failed: %08x\n", swparams.fail_mask); - goto error; - } - - err_msg = "audio prepare"; - if ((rc = snd_pcm_prepare (pcm_handle)) < 0) - goto error; - - mmap_running_areas = snd_pcm_mmap_areas (pcm_handle); - - shm = &sn; - memset ((dma_t *) shm, 0, sizeof (*shm)); - shm->splitbuffer = 0; - shm->channels = hwparams.channels; - shm->submission_chunk = frag_size; // don't mix less than this # - shm->samplepos = 0; // in mono samples - shm->samplebits = hwparams.format == SND_PCM_FORMAT_S16_LE ? 16 : 8; - shm->samples = hwparams.fragment_size * hwparams.fragments - * shm->channels; // mono samples in buffer - shm->speed = hwparams.rate; - shm->buffer = (unsigned char *) mmap_running_areas->addr; - 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", (int) shm->buffer); - Con_Printf ("%5d total_channels\n", total_channels); - - snd_inited = 1; - return 1; - error: - Con_Printf ("Error: %s: %s\n", err_msg, snd_strerror (rc)); - error_2: - snd_pcm_close (pcm_handle); - return 0; -} - -static inline int -get_hw_ptr () -{ - size_t app_ptr; - ssize_t delay; - int hw_ptr; - - if (snd_pcm_state (pcm_handle) != SND_PCM_STATE_RUNNING) - return 0; - app_ptr = snd_pcm_mmap_offset (pcm_handle); - snd_pcm_delay (pcm_handle, &delay); - hw_ptr = app_ptr - delay; - return hw_ptr; -} - -int -SNDDMA_GetDMAPos (void) -{ - int hw_ptr; - - if (!snd_inited) - return 0; - - hw_ptr = get_hw_ptr (); - hw_ptr *= shm->channels; - shm->samplepos = hw_ptr; - return shm->samplepos; -} - -void -SNDDMA_Shutdown (void) -{ - if (snd_inited) { - snd_pcm_close (pcm_handle); - snd_inited = 0; - } -} - -/* - SNDDMA_Submit - - Send sound to device if buffer isn't really the dma buffer -*/ -void -SNDDMA_Submit (void) -{ - int count = paintedtime - soundtime; - int avail; - int missed; - int state; - int hw_ptr; - int offset; - - state = snd_pcm_state (pcm_handle); - - switch (state) { - case SND_PCM_STATE_XRUN: - //snd_pcm_reset (pcm_handle); - snd_pcm_prepare (pcm_handle); - //break; - case SND_PCM_STATE_PREPARED: - snd_pcm_mmap_forward (pcm_handle, count); - snd_pcm_start (pcm_handle); - //break; - case SND_PCM_STATE_RUNNING: - hw_ptr = get_hw_ptr (); - missed = hw_ptr - shm->samplepos / shm->channels; - count -= missed; - offset = snd_pcm_mmap_offset (pcm_handle); - if (offset > hw_ptr) - count -= (offset - hw_ptr); - else - count -= (hwparams.fragments - hw_ptr + offset); - if (count < 0) { - snd_pcm_rewind (pcm_handle, -count); - } else if (count > 0) { - avail = snd_pcm_avail_update (pcm_handle); - if (avail > 0 && count > avail) { - snd_pcm_mmap_forward (pcm_handle, avail); - count -= avail; - } - snd_pcm_mmap_forward (pcm_handle, count); - } - break; - default: - printf("snd_alsa: nexpected state: %d\n", state); - break; - } -}