Corrected and completed encapsulation for PCM and rawmidi. Remove SND_PCM_HW_PARAM_* and use functions. Separated rawmidi info between streams

This commit is contained in:
Abramo Bagnara 2001-02-04 17:03:17 +00:00
parent 544718f10d
commit a7561a9c7e
40 changed files with 2733 additions and 1537 deletions

View file

@ -27,10 +27,11 @@ typedef struct {
/* This field need to be the first */
snd_pcm_plugin_t plug;
int conv_idx;
int sformat;
snd_pcm_format_t sformat;
} snd_pcm_linear_t;
int snd_pcm_linear_convert_index(int src_format, int dst_format)
int snd_pcm_linear_convert_index(snd_pcm_format_t src_format,
snd_pcm_format_t dst_format)
{
int src_endian, dst_endian, sign, src_width, dst_width;
@ -55,7 +56,7 @@ int snd_pcm_linear_convert_index(int src_format, int dst_format)
return src_width * 32 + src_endian * 16 + sign * 8 + dst_width * 2 + dst_endian;
}
int snd_pcm_linear_get_index(int src_format, int dst_format)
int snd_pcm_linear_get_index(snd_pcm_format_t src_format, snd_pcm_format_t dst_format)
{
int sign, width, endian;
sign = (snd_pcm_format_signed(src_format) !=
@ -71,7 +72,7 @@ int snd_pcm_linear_get_index(int src_format, int dst_format)
return width * 4 + endian * 2 + sign;
}
int snd_pcm_linear_put_index(int src_format, int dst_format)
int snd_pcm_linear_put_index(snd_pcm_format_t src_format, snd_pcm_format_t dst_format)
{
int sign, width, endian;
sign = (snd_pcm_format_signed(src_format) !=
@ -132,20 +133,19 @@ void snd_pcm_linear_convert(const snd_pcm_channel_area_t *dst_areas, snd_pcm_ufr
static int snd_pcm_linear_hw_refine_cprepare(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params)
{
int err;
snd_mask_t *access_mask = alloca(snd_mask_sizeof());
snd_mask_t *format_mask = alloca(snd_mask_sizeof());
snd_pcm_access_mask_t *access_mask = alloca(snd_pcm_access_mask_sizeof());
snd_pcm_format_mask_t *format_mask = alloca(snd_pcm_format_mask_sizeof());
snd_mask_load(access_mask, SND_PCM_ACCBIT_PLUGIN);
snd_mask_load(format_mask, SND_PCM_FMTBIT_LINEAR);
err = _snd_pcm_hw_param_mask(params, SND_PCM_HW_PARAM_ACCESS,
err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_ACCESS,
access_mask);
if (err < 0)
return err;
err = _snd_pcm_hw_param_mask(params, SND_PCM_HW_PARAM_FORMAT,
format_mask);
err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_FORMAT,
format_mask);
if (err < 0)
return err;
err = _snd_pcm_hw_param_set(params, SND_PCM_HW_PARAM_SUBFORMAT,
SND_PCM_SUBFORMAT_STD, 0);
err = _snd_pcm_hw_params_set_subformat(params, SND_PCM_SUBFORMAT_STD);
if (err < 0)
return err;
params->info &= ~(SND_PCM_INFO_MMAP | SND_PCM_INFO_MMAP_VALID);
@ -155,15 +155,13 @@ static int snd_pcm_linear_hw_refine_cprepare(snd_pcm_t *pcm ATTRIBUTE_UNUSED, sn
static int snd_pcm_linear_hw_refine_sprepare(snd_pcm_t *pcm, snd_pcm_hw_params_t *sparams)
{
snd_pcm_linear_t *linear = pcm->private;
snd_mask_t *saccess_mask = alloca(snd_mask_sizeof());
snd_pcm_access_mask_t *saccess_mask = alloca(snd_pcm_access_mask_sizeof());
snd_mask_load(saccess_mask, SND_PCM_ACCBIT_MMAP);
_snd_pcm_hw_params_any(sparams);
_snd_pcm_hw_param_mask(sparams, SND_PCM_HW_PARAM_ACCESS,
_snd_pcm_hw_param_set_mask(sparams, SND_PCM_HW_PARAM_ACCESS,
saccess_mask);
_snd_pcm_hw_param_set(sparams, SND_PCM_HW_PARAM_FORMAT,
linear->sformat, 0);
_snd_pcm_hw_param_set(sparams, SND_PCM_HW_PARAM_SUBFORMAT,
SND_PCM_SUBFORMAT_STD, 0);
_snd_pcm_hw_params_set_format(sparams, linear->sformat);
_snd_pcm_hw_params_set_subformat(sparams, SND_PCM_SUBFORMAT_STD);
return 0;
}
@ -224,11 +222,11 @@ static int snd_pcm_linear_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
if (err < 0)
return err;
if (pcm->stream == SND_PCM_STREAM_PLAYBACK)
linear->conv_idx = snd_pcm_linear_convert_index(snd_pcm_hw_param_value(params, SND_PCM_HW_PARAM_FORMAT, 0),
linear->conv_idx = snd_pcm_linear_convert_index(snd_pcm_hw_params_get_format(params),
linear->sformat);
else
linear->conv_idx = snd_pcm_linear_convert_index(linear->sformat,
snd_pcm_hw_param_value(params, SND_PCM_HW_PARAM_FORMAT, 0));
snd_pcm_hw_params_get_format(params));
return 0;
}
@ -328,7 +326,7 @@ snd_pcm_ops_t snd_pcm_linear_ops = {
munmap: snd_pcm_plugin_munmap,
};
int snd_pcm_linear_open(snd_pcm_t **pcmp, char *name, int sformat, snd_pcm_t *slave, int close_slave)
int snd_pcm_linear_open(snd_pcm_t **pcmp, char *name, snd_pcm_format_t sformat, snd_pcm_t *slave, int close_slave)
{
snd_pcm_t *pcm;
snd_pcm_linear_t *linear;
@ -370,13 +368,13 @@ int snd_pcm_linear_open(snd_pcm_t **pcmp, char *name, int sformat, snd_pcm_t *sl
int _snd_pcm_linear_open(snd_pcm_t **pcmp, char *name,
snd_config_t *conf,
int stream, int mode)
snd_pcm_stream_t stream, int mode)
{
snd_config_iterator_t i;
char *sname = NULL;
int err;
snd_pcm_t *spcm;
int sformat = -1;
snd_pcm_format_t sformat = SND_PCM_FORMAT_NONE;
snd_config_foreach(i, conf) {
snd_config_t *n = snd_config_entry(i);
if (strcmp(n->id, "comment") == 0)
@ -401,9 +399,9 @@ int _snd_pcm_linear_open(snd_pcm_t **pcmp, char *name,
return -EINVAL;
}
sformat = snd_pcm_format_value(f);
if (sformat < 0) {
ERR("Unknown sformat");
return -EINVAL;
if (sformat == SND_PCM_FORMAT_NONE) {
ERR("Unknown sformat %s", f);
return err;
}
if (snd_pcm_format_linear(sformat) != 1) {
ERR("sformat is not linear");
@ -418,7 +416,7 @@ int _snd_pcm_linear_open(snd_pcm_t **pcmp, char *name,
ERR("sname is not defined");
return -EINVAL;
}
if (sformat < 0) {
if (sformat == SND_PCM_FORMAT_NONE) {
ERR("sformat is not defined");
return -EINVAL;
}