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lib/alsa/NonBlock: move the functions into a class managing the state

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This commit is contained in:
Max Kellermann
2018-11-11 07:34:08 +01:00
parent a958abde2f
commit 12308a0f55
5 changed files with 29 additions and 29 deletions
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6
src/lib/alsa/NonBlock.cxx
View File

@@ -23,8 +23,7 @@
#include "util/RuntimeError.hxx"
std::chrono::steady_clock::duration
PrepareAlsaPcmSockets(MultiSocketMonitor &m, snd_pcm_t *pcm,
ReusableArray<pollfd> &pfd_buffer)
AlsaNonBlockPcm::PrepareSockets(MultiSocketMonitor &m, snd_pcm_t *pcm)
{
int count = snd_pcm_poll_descriptors_count(pcm);
if (count <= 0) {
@@ -51,8 +50,7 @@ PrepareAlsaPcmSockets(MultiSocketMonitor &m, snd_pcm_t *pcm,
}
std::chrono::steady_clock::duration
PrepareAlsaMixerSockets(MultiSocketMonitor &m, snd_mixer_t *mixer,
ReusableArray<pollfd> &pfd_buffer) noexcept
AlsaNonBlockMixer::PrepareSockets(MultiSocketMonitor &m, snd_mixer_t *mixer) noexcept
{
int count = snd_mixer_poll_descriptors_count(mixer);
if (count <= 0) {

35
src/lib/alsa/NonBlock.hxx
View File

@@ -30,23 +30,30 @@
class MultiSocketMonitor;
/**
* Update #MultiSocketMonitor's socket list from
* snd_pcm_poll_descriptors(). To be called from
* MultiSocketMonitor::PrepareSockets().
*
* Throws exception on error.
* Helper class for #MultiSocketMonitor's virtual methods which
* manages the file descriptors for a #snd_pcm_t.
*/
std::chrono::steady_clock::duration
PrepareAlsaPcmSockets(MultiSocketMonitor &m, snd_pcm_t *pcm,
ReusableArray<pollfd> &pfd_buffer);
class AlsaNonBlockPcm {
ReusableArray<pollfd> pfd_buffer;
public:
/**
* Throws on error.
*/
std::chrono::steady_clock::duration PrepareSockets(MultiSocketMonitor &m,
snd_pcm_t *pcm);
};
/**
* Update #MultiSocketMonitor's socket list from
* snd_mixer_poll_descriptors(). To be called from
* MultiSocketMonitor::PrepareSockets().
* Helper class for #MultiSocketMonitor's virtual methods which
* manages the file descriptors for a #snd_mixer_t.
*/
std::chrono::steady_clock::duration
PrepareAlsaMixerSockets(MultiSocketMonitor &m, snd_mixer_t *mixer,
ReusableArray<pollfd> &pfd_buffer) noexcept;
class AlsaNonBlockMixer {
ReusableArray<pollfd> pfd_buffer;
public:
std::chrono::steady_clock::duration PrepareSockets(MultiSocketMonitor &m,
snd_mixer_t *mixer) noexcept;
};
#endif