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Promoted plugin helpers to general use

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This commit is contained in:
Abramo Bagnara 2001-01-26 09:56:30 +00:00
parent 406587a531
commit c07201926b
9 changed files with 272 additions and 236 deletions
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57
src/pcm/pcm_plugin.c
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@ -358,63 +358,6 @@ int snd_pcm_plugin_hw_params_slave(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
return snd_pcm_hw_params(plugin->slave, params);
}
int conv_index(int src_format, int dst_format)
{
int src_endian, dst_endian, sign, src_width, dst_width;
sign = (snd_pcm_format_signed(src_format) !=
snd_pcm_format_signed(dst_format));
#ifdef SND_LITTLE_ENDIAN
src_endian = snd_pcm_format_big_endian(src_format);
dst_endian = snd_pcm_format_big_endian(dst_format);
#else
src_endian = snd_pcm_format_little_endian(src_format);
dst_endian = snd_pcm_format_little_endian(dst_format);
#endif
if (src_endian < 0)
src_endian = 0;
if (dst_endian < 0)
dst_endian = 0;
src_width = snd_pcm_format_width(src_format) / 8 - 1;
dst_width = snd_pcm_format_width(dst_format) / 8 - 1;
return src_width * 32 + src_endian * 16 + sign * 8 + dst_width * 2 + dst_endian;
}
int get_index(int src_format, int dst_format)
{
int sign, width, endian;
sign = (snd_pcm_format_signed(src_format) !=
snd_pcm_format_signed(dst_format));
width = snd_pcm_format_width(src_format) / 8 - 1;
#ifdef SND_LITTLE_ENDIAN
endian = snd_pcm_format_big_endian(src_format);
#else
endian = snd_pcm_format_little_endian(src_format);
#endif
if (endian < 0)
endian = 0;
return width * 4 + endian * 2 + sign;
}
int put_index(int src_format, int dst_format)
{
int sign, width, endian;
sign = (snd_pcm_format_signed(src_format) !=
snd_pcm_format_signed(dst_format));
width = snd_pcm_format_width(dst_format) / 8 - 1;
#ifdef SND_LITTLE_ENDIAN
endian = snd_pcm_format_big_endian(dst_format);
#else
endian = snd_pcm_format_little_endian(dst_format);
#endif
if (endian < 0)
endian = 0;
return width * 4 + endian * 2 + sign;
}
snd_pcm_fast_ops_t snd_pcm_plugin_fast_ops = {
status: snd_pcm_plugin_status,
state: snd_pcm_plugin_state,