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- splitted pcm channels in two different devices to handle mmap correctly

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- removed mmap control device
- reordered pcm shared and not shared code
- changed O_WRONLY oss pcm modifier in a more symmetric and elegant way
- changed slightly control interface
- added snd-debug-check
- uniformed null pointer check
- fixed a typo in linear plugin
This commit is contained in:
Abramo Bagnara 2000-01-08 20:11:33 +00:00
parent 62380b0f43
commit 63f5a79562
11 changed files with 263 additions and 216 deletions
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13
src/pcm/pcm_plugin_build.c
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@ -40,7 +40,7 @@ ssize_t snd_pcm_plugin_transfer_size(PLUGIN_BASE *pb, int channel, size_t drv_si
{
snd_pcm_plugin_t *plugin, *plugin_prev, *plugin_next;
if (!pb || (channel != SND_PCM_CHANNEL_PLAYBACK &&
if (pb == NULL || (channel != SND_PCM_CHANNEL_PLAYBACK &&
channel != SND_PCM_CHANNEL_CAPTURE))
return -EINVAL;
if (drv_size == 0)
@ -71,7 +71,7 @@ ssize_t snd_pcm_plugin_hardware_size(PLUGIN_BASE *pb, int channel, size_t trf_si
{
snd_pcm_plugin_t *plugin, *plugin_prev, *plugin_next;
if (!pb || (channel != SND_PCM_CHANNEL_PLAYBACK &&
if (pb == NULL || (channel != SND_PCM_CHANNEL_PLAYBACK &&
channel != SND_PCM_CHANNEL_CAPTURE))
return -EINVAL;
if (trf_size == 0)
@ -237,14 +237,19 @@ int snd_pcm_plugin_format(PLUGIN_BASE *pb,
snd_pcm_plugin_t *plugin;
int err;
if (params->channel == SND_PCM_CHANNEL_PLAYBACK) {
switch (params->channel) {
case SND_PCM_CHANNEL_PLAYBACK:
memcpy(&dstparams, hwparams, sizeof(*hwparams));
srcparams = hwparams;
memcpy(srcparams, params, sizeof(*params));
} else {
break;
case SND_PCM_CHANNEL_CAPTURE:
memcpy(&dstparams, params, sizeof(*params));
srcparams = params;
memcpy(srcparams, hwparams, sizeof(*hwparams));
break;
default:
return -EINVAL;
}
memcpy(&tmpparams, srcparams, sizeof(*srcparams));