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First step toward encapsulation

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This commit is contained in:
Abramo Bagnara 2001-01-29 14:27:53 +00:00
parent d44c657826
commit 70809b1835
13 changed files with 997 additions and 391 deletions
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308
src/pcm/pcm_misc.c
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@ -39,21 +39,21 @@
int snd_pcm_format_signed(int format)
{
switch (format) {
case SND_PCM_FORMAT_S8:
case SND_PCM_FORMAT_S16_LE:
case SND_PCM_FORMAT_S16_BE:
case SND_PCM_FORMAT_S24_LE:
case SND_PCM_FORMAT_S24_BE:
case SND_PCM_FORMAT_S32_LE:
case SND_PCM_FORMAT_S32_BE:
case SNDRV_PCM_FORMAT_S8:
case SNDRV_PCM_FORMAT_S16_LE:
case SNDRV_PCM_FORMAT_S16_BE:
case SNDRV_PCM_FORMAT_S24_LE:
case SNDRV_PCM_FORMAT_S24_BE:
case SNDRV_PCM_FORMAT_S32_LE:
case SNDRV_PCM_FORMAT_S32_BE:
return 1;
case SND_PCM_FORMAT_U8:
case SND_PCM_FORMAT_U16_LE:
case SND_PCM_FORMAT_U16_BE:
case SND_PCM_FORMAT_U24_LE:
case SND_PCM_FORMAT_U24_BE:
case SND_PCM_FORMAT_U32_LE:
case SND_PCM_FORMAT_U32_BE:
case SNDRV_PCM_FORMAT_U8:
case SNDRV_PCM_FORMAT_U16_LE:
case SNDRV_PCM_FORMAT_U16_BE:
case SNDRV_PCM_FORMAT_U24_LE:
case SNDRV_PCM_FORMAT_U24_BE:
case SNDRV_PCM_FORMAT_U32_LE:
case SNDRV_PCM_FORMAT_U32_BE:
return 0;
default:
return -EINVAL;
@ -78,25 +78,25 @@ int snd_pcm_format_linear(int format)
int snd_pcm_format_little_endian(int format)
{
switch (format) {
case SND_PCM_FORMAT_S16_LE:
case SND_PCM_FORMAT_U16_LE:
case SND_PCM_FORMAT_S24_LE:
case SND_PCM_FORMAT_U24_LE:
case SND_PCM_FORMAT_S32_LE:
case SND_PCM_FORMAT_U32_LE:
case SND_PCM_FORMAT_FLOAT_LE:
case SND_PCM_FORMAT_FLOAT64_LE:
case SND_PCM_FORMAT_IEC958_SUBFRAME_LE:
case SNDRV_PCM_FORMAT_S16_LE:
case SNDRV_PCM_FORMAT_U16_LE:
case SNDRV_PCM_FORMAT_S24_LE:
case SNDRV_PCM_FORMAT_U24_LE:
case SNDRV_PCM_FORMAT_S32_LE:
case SNDRV_PCM_FORMAT_U32_LE:
case SNDRV_PCM_FORMAT_FLOAT_LE:
case SNDRV_PCM_FORMAT_FLOAT64_LE:
case SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE:
return 1;
case SND_PCM_FORMAT_S16_BE:
case SND_PCM_FORMAT_U16_BE:
case SND_PCM_FORMAT_S24_BE:
case SND_PCM_FORMAT_U24_BE:
case SND_PCM_FORMAT_S32_BE:
case SND_PCM_FORMAT_U32_BE:
case SND_PCM_FORMAT_FLOAT_BE:
case SND_PCM_FORMAT_FLOAT64_BE:
case SND_PCM_FORMAT_IEC958_SUBFRAME_BE:
case SNDRV_PCM_FORMAT_S16_BE:
case SNDRV_PCM_FORMAT_U16_BE:
case SNDRV_PCM_FORMAT_S24_BE:
case SNDRV_PCM_FORMAT_U24_BE:
case SNDRV_PCM_FORMAT_S32_BE:
case SNDRV_PCM_FORMAT_U32_BE:
case SNDRV_PCM_FORMAT_FLOAT_BE:
case SNDRV_PCM_FORMAT_FLOAT64_BE:
case SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE:
return 0;
default:
return -EINVAL;
@ -115,7 +115,7 @@ int snd_pcm_format_big_endian(int format)
int snd_pcm_format_cpu_endian(int format)
{
#ifdef SND_LITTLE_ENDIAN
#ifdef SNDRV_LITTLE_ENDIAN
return snd_pcm_format_little_endian(format);
#else
return snd_pcm_format_big_endian(format);
@ -125,36 +125,36 @@ int snd_pcm_format_cpu_endian(int format)
int snd_pcm_format_width(int format)
{
switch (format) {
case SND_PCM_FORMAT_S8:
case SND_PCM_FORMAT_U8:
case SNDRV_PCM_FORMAT_S8:
case SNDRV_PCM_FORMAT_U8:
return 8;
case SND_PCM_FORMAT_S16_LE:
case SND_PCM_FORMAT_S16_BE:
case SND_PCM_FORMAT_U16_LE:
case SND_PCM_FORMAT_U16_BE:
case SNDRV_PCM_FORMAT_S16_LE:
case SNDRV_PCM_FORMAT_S16_BE:
case SNDRV_PCM_FORMAT_U16_LE:
case SNDRV_PCM_FORMAT_U16_BE:
return 16;
case SND_PCM_FORMAT_S24_LE:
case SND_PCM_FORMAT_S24_BE:
case SND_PCM_FORMAT_U24_LE:
case SND_PCM_FORMAT_U24_BE:
case SNDRV_PCM_FORMAT_S24_LE:
case SNDRV_PCM_FORMAT_S24_BE:
case SNDRV_PCM_FORMAT_U24_LE:
case SNDRV_PCM_FORMAT_U24_BE:
return 24;
case SND_PCM_FORMAT_S32_LE:
case SND_PCM_FORMAT_S32_BE:
case SND_PCM_FORMAT_U32_LE:
case SND_PCM_FORMAT_U32_BE:
case SND_PCM_FORMAT_FLOAT_LE:
case SND_PCM_FORMAT_FLOAT_BE:
case SNDRV_PCM_FORMAT_S32_LE:
case SNDRV_PCM_FORMAT_S32_BE:
case SNDRV_PCM_FORMAT_U32_LE:
case SNDRV_PCM_FORMAT_U32_BE:
case SNDRV_PCM_FORMAT_FLOAT_LE:
case SNDRV_PCM_FORMAT_FLOAT_BE:
return 32;
case SND_PCM_FORMAT_FLOAT64_LE:
case SND_PCM_FORMAT_FLOAT64_BE:
case SNDRV_PCM_FORMAT_FLOAT64_LE:
case SNDRV_PCM_FORMAT_FLOAT64_BE:
return 64;
case SND_PCM_FORMAT_IEC958_SUBFRAME_LE:
case SND_PCM_FORMAT_IEC958_SUBFRAME_BE:
case SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE:
case SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE:
return 24;
case SND_PCM_FORMAT_MU_LAW:
case SND_PCM_FORMAT_A_LAW:
case SNDRV_PCM_FORMAT_MU_LAW:
case SNDRV_PCM_FORMAT_A_LAW:
return 8;
case SND_PCM_FORMAT_IMA_ADPCM:
case SNDRV_PCM_FORMAT_IMA_ADPCM:
return 4;
default:
return -EINVAL;
@ -164,34 +164,34 @@ int snd_pcm_format_width(int format)
int snd_pcm_format_physical_width(int format)
{
switch (format) {
case SND_PCM_FORMAT_S8:
case SND_PCM_FORMAT_U8:
case SNDRV_PCM_FORMAT_S8:
case SNDRV_PCM_FORMAT_U8:
return 8;
case SND_PCM_FORMAT_S16_LE:
case SND_PCM_FORMAT_S16_BE:
case SND_PCM_FORMAT_U16_LE:
case SND_PCM_FORMAT_U16_BE:
case SNDRV_PCM_FORMAT_S16_LE:
case SNDRV_PCM_FORMAT_S16_BE:
case SNDRV_PCM_FORMAT_U16_LE:
case SNDRV_PCM_FORMAT_U16_BE:
return 16;
case SND_PCM_FORMAT_S24_LE:
case SND_PCM_FORMAT_S24_BE:
case SND_PCM_FORMAT_U24_LE:
case SND_PCM_FORMAT_U24_BE:
case SND_PCM_FORMAT_S32_LE:
case SND_PCM_FORMAT_S32_BE:
case SND_PCM_FORMAT_U32_LE:
case SND_PCM_FORMAT_U32_BE:
case SND_PCM_FORMAT_FLOAT_LE:
case SND_PCM_FORMAT_FLOAT_BE:
case SND_PCM_FORMAT_IEC958_SUBFRAME_LE:
case SND_PCM_FORMAT_IEC958_SUBFRAME_BE:
case SNDRV_PCM_FORMAT_S24_LE:
case SNDRV_PCM_FORMAT_S24_BE:
case SNDRV_PCM_FORMAT_U24_LE:
case SNDRV_PCM_FORMAT_U24_BE:
case SNDRV_PCM_FORMAT_S32_LE:
case SNDRV_PCM_FORMAT_S32_BE:
case SNDRV_PCM_FORMAT_U32_LE:
case SNDRV_PCM_FORMAT_U32_BE:
case SNDRV_PCM_FORMAT_FLOAT_LE:
case SNDRV_PCM_FORMAT_FLOAT_BE:
case SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE:
case SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE:
return 32;
case SND_PCM_FORMAT_FLOAT64_LE:
case SND_PCM_FORMAT_FLOAT64_BE:
case SNDRV_PCM_FORMAT_FLOAT64_LE:
case SNDRV_PCM_FORMAT_FLOAT64_BE:
return 64;
case SND_PCM_FORMAT_MU_LAW:
case SND_PCM_FORMAT_A_LAW:
case SNDRV_PCM_FORMAT_MU_LAW:
case SNDRV_PCM_FORMAT_A_LAW:
return 8;
case SND_PCM_FORMAT_IMA_ADPCM:
case SNDRV_PCM_FORMAT_IMA_ADPCM:
return 4;
default:
return -EINVAL;
@ -201,35 +201,35 @@ int snd_pcm_format_physical_width(int format)
ssize_t snd_pcm_format_size(int format, size_t samples)
{
switch (format) {
case SND_PCM_FORMAT_S8:
case SND_PCM_FORMAT_U8:
case SNDRV_PCM_FORMAT_S8:
case SNDRV_PCM_FORMAT_U8:
return samples;
case SND_PCM_FORMAT_S16_LE:
case SND_PCM_FORMAT_S16_BE:
case SND_PCM_FORMAT_U16_LE:
case SND_PCM_FORMAT_U16_BE:
case SNDRV_PCM_FORMAT_S16_LE:
case SNDRV_PCM_FORMAT_S16_BE:
case SNDRV_PCM_FORMAT_U16_LE:
case SNDRV_PCM_FORMAT_U16_BE:
return samples * 2;
case SND_PCM_FORMAT_S24_LE:
case SND_PCM_FORMAT_S24_BE:
case SND_PCM_FORMAT_U24_LE:
case SND_PCM_FORMAT_U24_BE:
case SND_PCM_FORMAT_S32_LE:
case SND_PCM_FORMAT_S32_BE:
case SND_PCM_FORMAT_U32_LE:
case SND_PCM_FORMAT_U32_BE:
case SND_PCM_FORMAT_FLOAT_LE:
case SND_PCM_FORMAT_FLOAT_BE:
case SNDRV_PCM_FORMAT_S24_LE:
case SNDRV_PCM_FORMAT_S24_BE:
case SNDRV_PCM_FORMAT_U24_LE:
case SNDRV_PCM_FORMAT_U24_BE:
case SNDRV_PCM_FORMAT_S32_LE:
case SNDRV_PCM_FORMAT_S32_BE:
case SNDRV_PCM_FORMAT_U32_LE:
case SNDRV_PCM_FORMAT_U32_BE:
case SNDRV_PCM_FORMAT_FLOAT_LE:
case SNDRV_PCM_FORMAT_FLOAT_BE:
return samples * 4;
case SND_PCM_FORMAT_FLOAT64_LE:
case SND_PCM_FORMAT_FLOAT64_BE:
case SNDRV_PCM_FORMAT_FLOAT64_LE:
case SNDRV_PCM_FORMAT_FLOAT64_BE:
return samples * 8;
case SND_PCM_FORMAT_IEC958_SUBFRAME_LE:
case SND_PCM_FORMAT_IEC958_SUBFRAME_BE:
case SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE:
case SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE:
return samples * 4;
case SND_PCM_FORMAT_MU_LAW:
case SND_PCM_FORMAT_A_LAW:
case SNDRV_PCM_FORMAT_MU_LAW:
case SNDRV_PCM_FORMAT_A_LAW:
return samples;
case SND_PCM_FORMAT_IMA_ADPCM:
case SNDRV_PCM_FORMAT_IMA_ADPCM:
if (samples & 1)
return -EINVAL;
return samples / 2;
@ -241,105 +241,105 @@ ssize_t snd_pcm_format_size(int format, size_t samples)
u_int64_t snd_pcm_format_silence_64(int format)
{
switch (format) {
case SND_PCM_FORMAT_S8:
case SND_PCM_FORMAT_S16_LE:
case SND_PCM_FORMAT_S16_BE:
case SND_PCM_FORMAT_S24_LE:
case SND_PCM_FORMAT_S24_BE:
case SND_PCM_FORMAT_S32_LE:
case SND_PCM_FORMAT_S32_BE:
case SNDRV_PCM_FORMAT_S8:
case SNDRV_PCM_FORMAT_S16_LE:
case SNDRV_PCM_FORMAT_S16_BE:
case SNDRV_PCM_FORMAT_S24_LE:
case SNDRV_PCM_FORMAT_S24_BE:
case SNDRV_PCM_FORMAT_S32_LE:
case SNDRV_PCM_FORMAT_S32_BE:
return 0;
case SND_PCM_FORMAT_U8:
case SNDRV_PCM_FORMAT_U8:
return 0x8080808080808080ULL;
#ifdef SND_LITTLE_ENDIAN
case SND_PCM_FORMAT_U16_LE:
#ifdef SNDRV_LITTLE_ENDIAN
case SNDRV_PCM_FORMAT_U16_LE:
return 0x8000800080008000ULL;
case SND_PCM_FORMAT_U24_LE:
case SNDRV_PCM_FORMAT_U24_LE:
return 0x0080000000800000ULL;
case SND_PCM_FORMAT_U32_LE:
case SNDRV_PCM_FORMAT_U32_LE:
return 0x8000000080000000ULL;
case SND_PCM_FORMAT_U16_BE:
case SNDRV_PCM_FORMAT_U16_BE:
return 0x0080008000800080ULL;
case SND_PCM_FORMAT_U24_BE:
case SNDRV_PCM_FORMAT_U24_BE:
return 0x0000800000008000ULL;
case SND_PCM_FORMAT_U32_BE:
case SNDRV_PCM_FORMAT_U32_BE:
return 0x0000008000000080ULL;
#else
case SND_PCM_FORMAT_U16_LE:
case SNDRV_PCM_FORMAT_U16_LE:
return 0x0080008000800080ULL;
case SND_PCM_FORMAT_U24_LE:
case SNDRV_PCM_FORMAT_U24_LE:
return 0x0000800000008000ULL;
case SND_PCM_FORMAT_U32_LE:
case SNDRV_PCM_FORMAT_U32_LE:
return 0x0000008000000080ULL;
case SND_PCM_FORMAT_U16_BE:
case SNDRV_PCM_FORMAT_U16_BE:
return 0x8000800080008000ULL;
case SND_PCM_FORMAT_U24_BE:
case SNDRV_PCM_FORMAT_U24_BE:
return 0x0080000000800000ULL;
case SND_PCM_FORMAT_U32_BE:
case SNDRV_PCM_FORMAT_U32_BE:
return 0x8000000080000000ULL;
#endif
case SND_PCM_FORMAT_FLOAT_LE:
case SNDRV_PCM_FORMAT_FLOAT_LE:
{
union {
float f;
u_int32_t i;
} u;
u.f = 0.0;
#ifdef SND_LITTLE_ENDIAN
#ifdef SNDRV_LITTLE_ENDIAN
return u.i;
#else
return bswap_32(u.i);
#endif
}
case SND_PCM_FORMAT_FLOAT64_LE:
case SNDRV_PCM_FORMAT_FLOAT64_LE:
{
union {
double f;
u_int64_t i;
} u;
u.f = 0.0;
#ifdef SND_LITTLE_ENDIAN
#ifdef SNDRV_LITTLE_ENDIAN
return u.i;
#else
return bswap_64(u.i);
#endif
}
case SND_PCM_FORMAT_FLOAT_BE:
case SNDRV_PCM_FORMAT_FLOAT_BE:
{
union {
float f;
u_int32_t i;
} u;
u.f = 0.0;
#ifdef SND_LITTLE_ENDIAN
#ifdef SNDRV_LITTLE_ENDIAN
return bswap_32(u.i);
#else
return u.i;
#endif
}
case SND_PCM_FORMAT_FLOAT64_BE:
case SNDRV_PCM_FORMAT_FLOAT64_BE:
{
union {
double f;
u_int64_t i;
} u;
u.f = 0.0;
#ifdef SND_LITTLE_ENDIAN
#ifdef SNDRV_LITTLE_ENDIAN
return bswap_64(u.i);
#else
return u.i;
#endif
}
case SND_PCM_FORMAT_IEC958_SUBFRAME_LE:
case SND_PCM_FORMAT_IEC958_SUBFRAME_BE:
case SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE:
case SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE:
return 0;
case SND_PCM_FORMAT_MU_LAW:
case SNDRV_PCM_FORMAT_MU_LAW:
return 0x7f7f7f7f7f7f7f7fULL;
case SND_PCM_FORMAT_A_LAW:
case SNDRV_PCM_FORMAT_A_LAW:
return 0x5555555555555555ULL;
case SND_PCM_FORMAT_IMA_ADPCM: /* special case */
case SND_PCM_FORMAT_MPEG:
case SND_PCM_FORMAT_GSM:
case SNDRV_PCM_FORMAT_IMA_ADPCM: /* special case */
case SNDRV_PCM_FORMAT_MPEG:
case SNDRV_PCM_FORMAT_GSM:
return 0;
}
return 0;
@ -404,22 +404,22 @@ int snd_pcm_format_set_silence(int format, void *data, unsigned int samples)
}
static int linear_formats[4*2*2] = {
SND_PCM_FORMAT_S8,
SND_PCM_FORMAT_S8,
SND_PCM_FORMAT_U8,
SND_PCM_FORMAT_U8,
SND_PCM_FORMAT_S16_LE,
SND_PCM_FORMAT_S16_BE,
SND_PCM_FORMAT_U16_LE,
SND_PCM_FORMAT_U16_BE,
SND_PCM_FORMAT_S24_LE,
SND_PCM_FORMAT_S24_BE,
SND_PCM_FORMAT_U24_LE,
SND_PCM_FORMAT_U24_BE,
SND_PCM_FORMAT_S32_LE,
SND_PCM_FORMAT_S32_BE,
SND_PCM_FORMAT_U32_LE,
SND_PCM_FORMAT_U32_BE
SNDRV_PCM_FORMAT_S8,
SNDRV_PCM_FORMAT_S8,
SNDRV_PCM_FORMAT_U8,
SNDRV_PCM_FORMAT_U8,
SNDRV_PCM_FORMAT_S16_LE,
SNDRV_PCM_FORMAT_S16_BE,
SNDRV_PCM_FORMAT_U16_LE,
SNDRV_PCM_FORMAT_U16_BE,
SNDRV_PCM_FORMAT_S24_LE,
SNDRV_PCM_FORMAT_S24_BE,
SNDRV_PCM_FORMAT_U24_LE,
SNDRV_PCM_FORMAT_U24_BE,
SNDRV_PCM_FORMAT_S32_LE,
SNDRV_PCM_FORMAT_S32_BE,
SNDRV_PCM_FORMAT_U32_LE,
SNDRV_PCM_FORMAT_U32_BE
};
int snd_pcm_build_linear_format(int width, int unsignd, int big_endian)