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

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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
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50
src/pcm/pcm_misc.c
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@ -26,6 +26,9 @@
#define bswap_16 swab16
#define bswap_32 swab32
#define bswap_64 swab64
#define SND_PCM_FORMAT_NONE (-1)
#define snd_enum_to_int(v) (v)
#define snd_int_to_enum(v) (v)
#else
#include <stdio.h>
#include <stdlib.h>
@ -36,9 +39,9 @@
#include "pcm_local.h"
#endif
int snd_pcm_format_signed(int format)
int snd_pcm_format_signed(snd_pcm_format_t format)
{
switch (format) {
switch (snd_enum_to_int(format)) {
case SNDRV_PCM_FORMAT_S8:
case SNDRV_PCM_FORMAT_S16_LE:
case SNDRV_PCM_FORMAT_S16_BE:
@ -60,7 +63,7 @@ int snd_pcm_format_signed(int format)
}
}
int snd_pcm_format_unsigned(int format)
int snd_pcm_format_unsigned(snd_pcm_format_t format)
{
int val;
@ -70,14 +73,14 @@ int snd_pcm_format_unsigned(int format)
return !val;
}
int snd_pcm_format_linear(int format)
int snd_pcm_format_linear(snd_pcm_format_t format)
{
return snd_pcm_format_signed(format) >= 0;
}
int snd_pcm_format_little_endian(int format)
int snd_pcm_format_little_endian(snd_pcm_format_t format)
{
switch (format) {
switch (snd_enum_to_int(format)) {
case SNDRV_PCM_FORMAT_S16_LE:
case SNDRV_PCM_FORMAT_U16_LE:
case SNDRV_PCM_FORMAT_S24_LE:
@ -103,7 +106,7 @@ int snd_pcm_format_little_endian(int format)
}
}
int snd_pcm_format_big_endian(int format)
int snd_pcm_format_big_endian(snd_pcm_format_t format)
{
int val;
@ -113,7 +116,7 @@ int snd_pcm_format_big_endian(int format)
return !val;
}
int snd_pcm_format_cpu_endian(int format)
int snd_pcm_format_cpu_endian(snd_pcm_format_t format)
{
#ifdef SNDRV_LITTLE_ENDIAN
return snd_pcm_format_little_endian(format);
@ -122,9 +125,9 @@ int snd_pcm_format_cpu_endian(int format)
#endif
}
int snd_pcm_format_width(int format)
int snd_pcm_format_width(snd_pcm_format_t format)
{
switch (format) {
switch (snd_enum_to_int(format)) {
case SNDRV_PCM_FORMAT_S8:
case SNDRV_PCM_FORMAT_U8:
return 8;
@ -161,9 +164,9 @@ int snd_pcm_format_width(int format)
}
}
int snd_pcm_format_physical_width(int format)
int snd_pcm_format_physical_width(snd_pcm_format_t format)
{
switch (format) {
switch (snd_enum_to_int(format)) {
case SNDRV_PCM_FORMAT_S8:
case SNDRV_PCM_FORMAT_U8:
return 8;
@ -198,9 +201,9 @@ int snd_pcm_format_physical_width(int format)
}
}
ssize_t snd_pcm_format_size(int format, size_t samples)
ssize_t snd_pcm_format_size(snd_pcm_format_t format, size_t samples)
{
switch (format) {
switch (snd_enum_to_int(format)) {
case SNDRV_PCM_FORMAT_S8:
case SNDRV_PCM_FORMAT_U8:
return samples;
@ -238,9 +241,9 @@ ssize_t snd_pcm_format_size(int format, size_t samples)
}
}
u_int64_t snd_pcm_format_silence_64(int format)
u_int64_t snd_pcm_format_silence_64(snd_pcm_format_t format)
{
switch (format) {
switch (snd_enum_to_int(format)) {
case SNDRV_PCM_FORMAT_S8:
case SNDRV_PCM_FORMAT_S16_LE:
case SNDRV_PCM_FORMAT_S16_BE:
@ -340,27 +343,28 @@ u_int64_t snd_pcm_format_silence_64(int format)
case SNDRV_PCM_FORMAT_IMA_ADPCM: /* special case */
case SNDRV_PCM_FORMAT_MPEG:
case SNDRV_PCM_FORMAT_GSM:
case SNDRV_PCM_FORMAT_SPECIAL:
return 0;
}
return 0;
}
u_int32_t snd_pcm_format_silence_32(int format)
u_int32_t snd_pcm_format_silence_32(snd_pcm_format_t format)
{
return (u_int32_t)snd_pcm_format_silence_64(format);
}
u_int16_t snd_pcm_format_silence_16(int format)
u_int16_t snd_pcm_format_silence_16(snd_pcm_format_t format)
{
return (u_int16_t)snd_pcm_format_silence_64(format);
}
u_int8_t snd_pcm_format_silence(int format)
u_int8_t snd_pcm_format_silence(snd_pcm_format_t format)
{
return (u_int8_t)snd_pcm_format_silence_64(format);
}
int snd_pcm_format_set_silence(int format, void *data, unsigned int samples)
int snd_pcm_format_set_silence(snd_pcm_format_t format, void *data, unsigned int samples)
{
if (samples == 0)
return 0;
@ -422,7 +426,7 @@ static int linear_formats[4*2*2] = {
SNDRV_PCM_FORMAT_U32_BE
};
int snd_pcm_build_linear_format(int width, int unsignd, int big_endian)
snd_pcm_format_t snd_pcm_build_linear_format(int width, int unsignd, int big_endian)
{
switch (width) {
case 8:
@ -438,7 +442,7 @@ int snd_pcm_build_linear_format(int width, int unsignd, int big_endian)
width = 3;
break;
default:
return -1;
return SND_PCM_FORMAT_NONE;
}
return ((int(*)[2][2])linear_formats)[width][!!unsignd][!!big_endian];
return snd_int_to_enum(((int(*)[2][2])linear_formats)[width][!!unsignd][!!big_endian]);
}