diff --git a/source/snd_alsa_0_6.c b/source/snd_alsa_0_6.c index 7ea736f..3facf71 100644 --- a/source/snd_alsa_0_6.c +++ b/source/snd_alsa_0_6.c @@ -35,20 +35,19 @@ #include +#include "console.h" +#include "qargs.h" #include "qtypes.h" #include "sound.h" -#include "qargs.h" -#include "console.h" +#include "va.h" static int snd_inited; static snd_pcm_t *pcm_handle; -static snd_pcm_params_info_t cpinfo; -static snd_pcm_params_t params; -static snd_pcm_setup_t setup; -static snd_pcm_channel_area_t mmap_stopped_areas[2]; +static snd_pcm_hw_info_t hwinfo; +static snd_pcm_hw_params_t hwparams; static snd_pcm_channel_area_t mmap_running_areas[2]; -static int card=-1,dev=-1,subdev=-1;; +static int card=-1,dev=-1; int check_card(int card) { @@ -56,7 +55,7 @@ int check_card(int card) snd_ctl_hw_info_t info; int rc; - if ((rc = snd_ctl_hw_open(&handle, 0, card)) < 0) { + 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; } @@ -69,17 +68,17 @@ int check_card(int card) snd_ctl_close(handle); if (dev==-1) { for (dev = 0; dev < info.pcmdevs; dev++) { - if ((rc=snd_pcm_hw_open_subdevice(&pcm_handle,card,dev,subdev, - SND_PCM_STREAM_PLAYBACK, - SND_PCM_NONBLOCK))==0) { + if ((rc=snd_pcm_open (&pcm_handle, va ("hw:%d,%d", card, dev), + SND_PCM_STREAM_PLAYBACK, + SND_PCM_NONBLOCK))==0) { return 0; } } } else { if (dev>=0 && dev =2) { + if (stereo && (hwinfo.access_mask & SND_PCM_INFO_INTERLEAVED) && hwinfo.channels_max>=2) { stereo=1; - frame_size*=2; } else { stereo=0; } - memset(¶ms, 0, sizeof(params)); + memset(&hwparams, 0, sizeof(hwparams)); //XXX can't support non-interleaved stereo - params.xfer_mode = stereo ? SND_PCM_XFER_INTERLEAVED - : SND_PCM_XFER_NONINTERLEAVED; - params.mmap_shape = stereo ? SND_PCM_XFER_INTERLEAVED - : SND_PCM_XFER_NONINTERLEAVED; - params.format.sfmt=format; - params.format.rate=rate; - params.format.channels=stereo+1; - params.start_mode = SND_PCM_START_EXPLICIT; - params.xrun_mode = SND_PCM_XRUN_NONE; + hwparams.access = stereo ? SND_PCM_ACCESS_MMAP_INTERLEAVED + : SND_PCM_ACCESS_MMAP_NONINTERLEAVED; + hwparams.format=format; + hwparams.rate=rate; + hwparams.channels=stereo+1; - params.buffer_size = (2<<16) / frame_size; - params.frag_size=frag_size; - params.avail_min = frag_size; - - params.boundary = params.buffer_size; + hwparams.fragment_size = frag_size; + hwparams.fragments = (1 << 17) / frag_size; while (1) { err_msg="audio params"; - if ((rc=snd_pcm_params(pcm_handle, ¶ms))<0) + if ((rc=snd_pcm_hw_params(pcm_handle, &hwparams))<0) goto error; - memset(&setup, 0, sizeof(setup)); - err_msg="audio setup"; - if ((rc=snd_pcm_setup(pcm_handle, &setup))<0) - goto error; - if (setup.buffer_size == params.buffer_size) - break; - params.boundary = params.buffer_size = setup.buffer_size; + break;//XXX } - err_msg="audio mmap"; - if ((rc=snd_pcm_mmap(pcm_handle))<0) - goto error; - if ((rc=snd_pcm_mmap_get_areas(pcm_handle, mmap_stopped_areas, mmap_running_areas))) - goto error; err_msg="audio prepare"; if ((rc=snd_pcm_prepare(pcm_handle))<0) goto error; @@ -238,12 +221,12 @@ qboolean SNDDMA_Init(void) shm=&sn; memset((dma_t*)shm,0,sizeof(*shm)); shm->splitbuffer = 0; - shm->channels=setup.format.channels; + shm->channels=hwparams.channels; shm->submission_chunk=frag_size; // don't mix less than this # shm->samplepos=0; // in mono samples - shm->samplebits=setup.format.sfmt==SND_PCM_SFMT_S16_LE?16:8; - shm->samples=setup.buffer_size*shm->channels; // mono samples in buffer - shm->speed=setup.format.rate; + shm->samplebits=hwparams.format==SND_PCM_FMTBIT_S16_LE?16:8; + shm->samples=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); @@ -258,7 +241,7 @@ qboolean SNDDMA_Init(void) return 1; error: Con_Printf("Error: %s: %s\n", err_msg, snd_strerror(rc)); - error_2: + //XXXerror_2: snd_pcm_close(pcm_handle); return 0; } @@ -330,7 +313,7 @@ void SNDDMA_Submit(void) if (offset > hw_ptr) count -= (offset - hw_ptr); else - count -= (setup.buffer_size - hw_ptr + offset); + count -= (hwparams.fragments - hw_ptr + offset); if (count < 0) { snd_pcm_rewind (pcm_handle, -count); } else if (count > 0) {