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Completed mixer API. Improved iterators. Renamed control values struct. Rewritten simple elements implementation

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This commit is contained in:
Abramo Bagnara 2001-02-11 15:45:35 +00:00
parent 38033b49dd
commit a2d3434961
54 changed files with 2081 additions and 1712 deletions
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44
src/pcm/pcm_null.c
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@ -36,7 +36,7 @@ typedef struct {
static int snd_pcm_null_close(snd_pcm_t *pcm)
{
snd_pcm_null_t *null = pcm->private;
snd_pcm_null_t *null = pcm->private_data;
close(null->poll_fd);
free(null);
return 0;
@ -66,13 +66,13 @@ static int snd_pcm_null_info(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_info_t * i
static int snd_pcm_null_channel_info(snd_pcm_t *pcm, snd_pcm_channel_info_t * info)
{
snd_pcm_null_t *null = pcm->private;
snd_pcm_null_t *null = pcm->private_data;
return snd_pcm_channel_info_shm(pcm, info, null->shmid);
}
static int snd_pcm_null_status(snd_pcm_t *pcm, snd_pcm_status_t * status)
{
snd_pcm_null_t *null = pcm->private;
snd_pcm_null_t *null = pcm->private_data;
memset(status, 0, sizeof(*status));
status->state = snd_enum_to_int(null->state);
status->trigger_tstamp = null->trigger_tstamp;
@ -84,7 +84,7 @@ static int snd_pcm_null_status(snd_pcm_t *pcm, snd_pcm_status_t * status)
static snd_pcm_state_t snd_pcm_null_state(snd_pcm_t *pcm)
{
snd_pcm_null_t *null = pcm->private;
snd_pcm_null_t *null = pcm->private_data;
return null->state;
}
@ -96,7 +96,7 @@ static int snd_pcm_null_delay(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_sframes_t
static int snd_pcm_null_prepare(snd_pcm_t *pcm)
{
snd_pcm_null_t *null = pcm->private;
snd_pcm_null_t *null = pcm->private_data;
null->state = SND_PCM_STATE_PREPARED;
null->appl_ptr = 0;
null->hw_ptr = 0;
@ -105,7 +105,7 @@ static int snd_pcm_null_prepare(snd_pcm_t *pcm)
static int snd_pcm_null_reset(snd_pcm_t *pcm)
{
snd_pcm_null_t *null = pcm->private;
snd_pcm_null_t *null = pcm->private_data;
null->appl_ptr = 0;
null->hw_ptr = 0;
return 0;
@ -113,7 +113,7 @@ static int snd_pcm_null_reset(snd_pcm_t *pcm)
static int snd_pcm_null_start(snd_pcm_t *pcm)
{
snd_pcm_null_t *null = pcm->private;
snd_pcm_null_t *null = pcm->private_data;
assert(null->state == SND_PCM_STATE_PREPARED);
null->state = SND_PCM_STATE_RUNNING;
if (pcm->stream == SND_PCM_STREAM_CAPTURE)
@ -123,7 +123,7 @@ static int snd_pcm_null_start(snd_pcm_t *pcm)
static int snd_pcm_null_drop(snd_pcm_t *pcm)
{
snd_pcm_null_t *null = pcm->private;
snd_pcm_null_t *null = pcm->private_data;
assert(null->state != SND_PCM_STATE_OPEN);
null->state = SND_PCM_STATE_SETUP;
return 0;
@ -131,7 +131,7 @@ static int snd_pcm_null_drop(snd_pcm_t *pcm)
static int snd_pcm_null_drain(snd_pcm_t *pcm)
{
snd_pcm_null_t *null = pcm->private;
snd_pcm_null_t *null = pcm->private_data;
assert(null->state != SND_PCM_STATE_OPEN);
null->state = SND_PCM_STATE_SETUP;
return 0;
@ -139,7 +139,7 @@ static int snd_pcm_null_drain(snd_pcm_t *pcm)
static int snd_pcm_null_pause(snd_pcm_t *pcm, int enable)
{
snd_pcm_null_t *null = pcm->private;
snd_pcm_null_t *null = pcm->private_data;
if (enable) {
if (null->state != SND_PCM_STATE_RUNNING)
return -EBADFD;
@ -151,7 +151,7 @@ static int snd_pcm_null_pause(snd_pcm_t *pcm, int enable)
static snd_pcm_sframes_t snd_pcm_null_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
{
snd_pcm_null_t *null = pcm->private;
snd_pcm_null_t *null = pcm->private_data;
switch (snd_enum_to_int(null->state)) {
case SND_PCM_STATE_PREPARED:
case SND_PCM_STATE_RUNNING:
@ -165,7 +165,7 @@ static snd_pcm_sframes_t snd_pcm_null_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t f
static snd_pcm_sframes_t snd_pcm_null_fwd(snd_pcm_t *pcm, snd_pcm_uframes_t size)
{
snd_pcm_null_t *null = pcm->private;
snd_pcm_null_t *null = pcm->private_data;
switch (snd_enum_to_int(null->state)) {
case SND_PCM_STATE_PREPARED:
case SND_PCM_STATE_RUNNING:
@ -179,7 +179,7 @@ static snd_pcm_sframes_t snd_pcm_null_fwd(snd_pcm_t *pcm, snd_pcm_uframes_t size
static snd_pcm_sframes_t snd_pcm_null_writei(snd_pcm_t *pcm, const void *buffer ATTRIBUTE_UNUSED, snd_pcm_uframes_t size)
{
snd_pcm_null_t *null = pcm->private;
snd_pcm_null_t *null = pcm->private_data;
if (null->state == SND_PCM_STATE_PREPARED &&
pcm->start_mode != SND_PCM_START_EXPLICIT) {
null->state = SND_PCM_STATE_RUNNING;
@ -189,7 +189,7 @@ static snd_pcm_sframes_t snd_pcm_null_writei(snd_pcm_t *pcm, const void *buffer
static snd_pcm_sframes_t snd_pcm_null_writen(snd_pcm_t *pcm, void **bufs ATTRIBUTE_UNUSED, snd_pcm_uframes_t size)
{
snd_pcm_null_t *null = pcm->private;
snd_pcm_null_t *null = pcm->private_data;
if (null->state == SND_PCM_STATE_PREPARED &&
pcm->start_mode != SND_PCM_START_EXPLICIT) {
null->state = SND_PCM_STATE_RUNNING;
@ -199,7 +199,7 @@ static snd_pcm_sframes_t snd_pcm_null_writen(snd_pcm_t *pcm, void **bufs ATTRIBU
static snd_pcm_sframes_t snd_pcm_null_readi(snd_pcm_t *pcm, void *buffer ATTRIBUTE_UNUSED, snd_pcm_uframes_t size)
{
snd_pcm_null_t *null = pcm->private;
snd_pcm_null_t *null = pcm->private_data;
if (null->state == SND_PCM_STATE_PREPARED &&
pcm->start_mode != SND_PCM_START_EXPLICIT) {
null->state = SND_PCM_STATE_RUNNING;
@ -210,7 +210,7 @@ static snd_pcm_sframes_t snd_pcm_null_readi(snd_pcm_t *pcm, void *buffer ATTRIBU
static snd_pcm_sframes_t snd_pcm_null_readn(snd_pcm_t *pcm, void **bufs ATTRIBUTE_UNUSED, snd_pcm_uframes_t size)
{
snd_pcm_null_t *null = pcm->private;
snd_pcm_null_t *null = pcm->private_data;
if (null->state == SND_PCM_STATE_PREPARED &&
pcm->start_mode != SND_PCM_START_EXPLICIT) {
null->state = SND_PCM_STATE_RUNNING;
@ -253,7 +253,7 @@ static int snd_pcm_null_sw_params(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_sw_pa
static int snd_pcm_null_mmap(snd_pcm_t *pcm)
{
snd_pcm_null_t *null = pcm->private;
snd_pcm_null_t *null = pcm->private_data;
if (!(pcm->info & SND_PCM_INFO_MMAP)) {
size_t size = snd_pcm_frames_to_bytes(pcm, pcm->buffer_size);
int id = shmget(IPC_PRIVATE, size, 0666);
@ -268,7 +268,7 @@ static int snd_pcm_null_mmap(snd_pcm_t *pcm)
static int snd_pcm_null_munmap(snd_pcm_t *pcm)
{
snd_pcm_null_t *null = pcm->private;
snd_pcm_null_t *null = pcm->private_data;
if (shmctl(null->shmid, IPC_RMID, 0) < 0) {
SYSERR("shmctl IPC_RMID failed");
return -errno;
@ -361,7 +361,7 @@ int snd_pcm_null_open(snd_pcm_t **pcmp, const char *name, snd_pcm_stream_t strea
pcm->op_arg = pcm;
pcm->fast_ops = &snd_pcm_null_fast_ops;
pcm->fast_op_arg = pcm;
pcm->private = null;
pcm->private_data = null;
pcm->poll_fd = fd;
pcm->hw_ptr = &null->hw_ptr;
pcm->appl_ptr = &null->appl_ptr;
@ -370,12 +370,12 @@ int snd_pcm_null_open(snd_pcm_t **pcmp, const char *name, snd_pcm_stream_t strea
return 0;
}
int _snd_pcm_null_open(snd_pcm_t **pcmp, char *name,
int _snd_pcm_null_open(snd_pcm_t **pcmp, const char *name,
snd_config_t *conf,
snd_pcm_stream_t stream, int mode)
{
snd_config_iterator_t i;
snd_config_foreach(i, conf) {
snd_config_iterator_t i, next;
snd_config_for_each(i, next, conf) {
snd_config_t *n = snd_config_iterator_entry(i);
const char *id = snd_config_get_id(n);
if (strcmp(id, "comment") == 0)