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Cleaned pcm internals. Added mmap'able plugins

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This commit is contained in:
Abramo Bagnara 2000-04-17 17:31:41 +00:00
parent 340eb52ea2
commit 5673d299a9
5 changed files with 594 additions and 274 deletions
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14
src/pcm/plugin/mmap.c
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@ -75,7 +75,7 @@ static int poll_playback(snd_pcm_t *pcm)
if (pcm->mode & SND_PCM_OPEN_NONBLOCK)
return -EAGAIN;
pfd.fd = pcm->fd[SND_PCM_CHANNEL_PLAYBACK];
pfd.fd = pcm->chan[SND_PCM_CHANNEL_PLAYBACK].fd;
pfd.events = POLLOUT;
pfd.revents = 0;
err = poll(&pfd, 1, 1000);
@ -146,7 +146,7 @@ static int poll_capture(snd_pcm_t *pcm)
if (pcm->mode & SND_PCM_OPEN_NONBLOCK)
return -EAGAIN;
pfd.fd = pcm->fd[SND_PCM_CHANNEL_CAPTURE];
pfd.fd = pcm->chan[SND_PCM_CHANNEL_CAPTURE].fd;
pfd.events = POLLIN;
pfd.revents = 0;
err = poll(&pfd, 1, 1000);
@ -185,8 +185,7 @@ static int query_capture(snd_pcm_plugin_t *plugin, int not_use_poll)
static int mmap_src_voices(snd_pcm_plugin_t *plugin,
snd_pcm_plugin_voice_t **voices,
size_t samples,
void *(*plugin_alloc)(snd_pcm_plugin_handle_t *handle, size_t size))
size_t samples)
{
mmap_t *data;
int err;
@ -221,8 +220,7 @@ static int mmap_src_voices(snd_pcm_plugin_t *plugin,
static int mmap_dst_voices(snd_pcm_plugin_t *plugin,
snd_pcm_plugin_voice_t **voices,
size_t samples,
void *(*plugin_alloc)(snd_pcm_plugin_handle_t *handle, size_t size))
size_t samples)
{
mmap_t *data;
int voice;
@ -275,7 +273,7 @@ static ssize_t mmap_transfer(snd_pcm_plugin_t *plugin,
size = snd_pcm_plugin_src_samples_to_size(plugin, samples);
if (size != data->frag_size)
return -EINVAL;
if (src_voices != data->voices) {
if (plugin->prev == NULL) {
if (plugin->src_format.interleave) {
void *dst = data->voices[0].addr + data->frag * data->frag_size;
/* Paranoia: add check for src_voices */
@ -306,7 +304,7 @@ static ssize_t mmap_transfer(snd_pcm_plugin_t *plugin,
size = snd_pcm_plugin_dst_samples_to_size(plugin, samples);
if (size != data->frag_size)
return -EINVAL;
if (dst_voices != data->voices) {
if (plugin->next == NULL) {
if (plugin->dst_format.interleave) {
void *src = data->voices[0].addr + data->frag * data->frag_size;
/* Paranoia: add check for dst_voices */