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More fixes; code is working (todo: specific code for lowlevel drivers)

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This commit is contained in:
Jaroslav Kysela 2001-04-17 19:23:06 +00:00
parent 636edef096
commit 4c9fb56172
1 changed files with 35 additions and 11 deletions
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46
src/pcm/pcm_surr.c
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@ -95,7 +95,7 @@ static int snd_pcm_surround_channel_info(snd_pcm_t *pcm, snd_pcm_channel_info_t
info->channel += 2;
return err;
}
if (surr->pcms > 2 && (info->channel == 3 || info->channel == 4)) {
if (surr->pcms > 2 && (info->channel == 4 || info->channel == 5)) {
info->channel -= 4;
err = snd_pcm_channel_info(surr->pcm[2], info);
info->channel += 4;
@ -169,8 +169,12 @@ static snd_pcm_sframes_t snd_pcm_surround_writei(snd_pcm_t *pcm, const void *buf
snd_pcm_surround_t *surr = pcm->private_data;
if (surr->pcms == 1)
return snd_pcm_writei(pcm, buffer, size);
/* TODO: convert interleaved stream to two or three stereo streams */
return -EIO;
if (pcm->running_areas == NULL) {
int err;
if ((err = snd_pcm_mmap(pcm)) < 0)
return err;
}
return snd_pcm_mmap_writei(pcm, buffer, size);
}
static snd_pcm_sframes_t snd_pcm_surround_writen(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size)
@ -178,7 +182,7 @@ static snd_pcm_sframes_t snd_pcm_surround_writen(snd_pcm_t *pcm, void **bufs, sn
int i;
snd_pcm_sframes_t res = -1, res1;
snd_pcm_surround_t *surr = pcm->private_data;
for (i = 0; i < surr->pcms; i++) {
for (i = 0; i < surr->pcms; i++, bufs += 2) {
res1 = snd_pcm_writen(pcm, bufs, size);
if (res1 < 0)
return res1;
@ -285,6 +289,8 @@ static void snd_pcm_surround_interval_channels_fixup(snd_pcm_surround_t *surr,
static int snd_pcm_surround_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
{
snd_pcm_surround_t *surr = pcm->private_data;
snd_pcm_access_mask_t *access_mask;
snd_pcm_access_mask_t *access_mask1;
int i, err;
err = snd_pcm_surround_interval_channels(surr, params, 1);
@ -292,20 +298,29 @@ static int snd_pcm_surround_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *param
return err;
if (surr->pcms == 1)
return snd_pcm_hw_refine(surr->pcm[0], params);
access_mask = (snd_pcm_access_mask_t *)snd_pcm_hw_param_get_mask(params, SND_PCM_HW_PARAM_ACCESS);
snd_pcm_access_mask_alloca(&access_mask1);
snd_pcm_access_mask_copy(access_mask1, access_mask);
snd_pcm_access_mask_reset(access_mask, SND_PCM_ACCESS_RW_INTERLEAVED);
if (snd_pcm_access_mask_test(access_mask1, SND_PCM_ACCESS_RW_INTERLEAVED))
snd_pcm_access_mask_set(access_mask, SND_PCM_ACCESS_MMAP_INTERLEAVED);
for (i = 0; i < surr->pcms; i++) {
err = snd_pcm_hw_refine(surr->pcm[i], params);
if (err < 0) {
snd_pcm_surround_interval_channels_fixup(surr, params);
return err;
}
if (err < 0)
goto __error;
}
err = 0;
__error:
snd_pcm_access_mask_copy(access_mask, access_mask1);
snd_pcm_surround_interval_channels_fixup(surr, params);
return 0;
return err;
}
static int snd_pcm_surround_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t * params)
{
snd_pcm_surround_t *surr = pcm->private_data;
snd_pcm_access_mask_t *access_mask;
snd_pcm_access_mask_t *access_mask1;
int i, err;
err = snd_pcm_surround_interval_channels(surr, params, 0);
@ -313,18 +328,26 @@ static int snd_pcm_surround_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t * para
return err;
if (surr->pcms == 1)
return snd_pcm_hw_params(surr->pcm[0], params);
access_mask = (snd_pcm_access_mask_t *)snd_pcm_hw_param_get_mask(params, SND_PCM_HW_PARAM_ACCESS);
snd_pcm_access_mask_alloca(&access_mask1);
snd_pcm_access_mask_copy(access_mask1, access_mask);
snd_pcm_access_mask_reset(access_mask, SND_PCM_ACCESS_RW_INTERLEAVED);
if (snd_pcm_access_mask_test(access_mask1, SND_PCM_ACCESS_RW_INTERLEAVED))
snd_pcm_access_mask_set(access_mask, SND_PCM_ACCESS_MMAP_INTERLEAVED);
for (i = 0; i < surr->pcms; i++) {
err = snd_pcm_hw_params(surr->pcm[i], params);
if (err < 0) {
snd_pcm_access_mask_copy(access_mask, access_mask1);
snd_pcm_surround_interval_channels_fixup(surr, params);
return err;
}
}
snd_pcm_access_mask_copy(access_mask, access_mask1);
snd_pcm_surround_interval_channels_fixup(surr, params);
surr->linked[0] = 0;
for (i = 1; i < surr->pcms; i++) {
err = snd_pcm_link(surr->pcm[0], surr->pcm[1]);
if ((surr->linked[1] = (err >= 0)) == 0)
err = snd_pcm_link(surr->pcm[0], surr->pcm[i]);
if ((surr->linked[i] = (err >= 0)) == 0)
return err;
}
return 0;
@ -528,6 +551,7 @@ int snd_pcm_surround_open(snd_pcm_t **pcmp, const char *name, int card, int dev,
pcm->poll_fd = surr->pcm[0]->poll_fd;
pcm->hw_ptr = surr->pcm[0]->hw_ptr;
pcm->appl_ptr = surr->pcm[0]->appl_ptr;
*pcmp = pcm;
return 0;