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Caution: This version of this document is no longer maintained. For the latest documentation, see http://www.qnx.com/developers/docs.

Keywords - P


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Paused state
· PCM state machine · snd_pcm_channel_status_t ·

PCM
about
· Pulse Code Modulation (PCM) devices ·
capture
about
· Capturing audio data · Pulse Code Modulation (PCM) devices ·
capabilities
· Configuring the PCM device · snd_pcm_channel_info · snd_pcm_channel_info_t · snd_pcm_plugin_info ·
channel direction
· Opening your PCM device ·
data, selecting
· Selecting what to capture ·
device, configuring
· Configuring the PCM device ·
device, opening
· Opening your PCM device ·
duplex mode
· snd_pcm_info_t · snd_pcm_open ·
example
· waverec.c example ·
flushing
· snd_pcm_capture_flush · snd_pcm_channel_flush · snd_pcm_plugin_flush · Stopping the capture ·
information
· snd_ctl_pcm_channel_info ·
overrun
· Capture states · If the PCM subchannel stops during capture · PCM state machine · Preparing the PCM subchannel · snd_pcm_channel_status_t ·
parameters
· Configuring the PCM device · snd_pcm_channel_params · snd_pcm_channel_params_t · snd_pcm_plugin_params ·
preparing
· Preparing the PCM subchannel · snd_pcm_capture_prepare · snd_pcm_channel_prepare · snd_pcm_plugin_prepare ·
reading data
· Receiving data from the PCM subchannel · snd_pcm_plugin_read · snd_pcm_read ·
rollover
· snd_pcm_channel_params_t ·
setup
· Configuring the PCM device · snd_pcm_channel_setup · snd_pcm_channel_setup_t · snd_pcm_plugin_setup ·
states
· Capture states ·
status
· snd_pcm_channel_status · snd_pcm_channel_status_t · snd_pcm_plugin_status · Synchronizing with the PCM subchannel ·
stopping
· Stopping the capture ·
subchannel, closing
· Closing the PCM subchannel ·
synchronizing
· If the PCM subchannel stops during capture · Synchronizing with the PCM subchannel ·
closing
· snd_pcm_close ·
connection handle
· Opening your PCM device ·
data format
· snd_pcm_format_t ·
devices
· Handling PCM devices ·
capabilities
· snd_ctl_pcm_info · snd_pcm_info_t ·
finding
· snd_pcm_find ·
information about, getting
· snd_pcm_info ·
file descriptor, getting
· Receiving data from the PCM subchannel · Sending data to the PCM subchannel · snd_pcm_file_descriptor ·
mixer
example
· mixer_ctl.c example ·
opening
· Opening your PCM device · snd_pcm_open ·
opening preferred
· Opening your PCM device · snd_pcm_open_preferred ·
playback
about
· Playing audio data · Pulse Code Modulation (PCM) devices ·
capabilities
· Configuring the PCM device · snd_pcm_channel_info · snd_pcm_channel_info_t · snd_pcm_plugin_info ·
channel direction
· Opening your PCM device ·
device, configuring
· Configuring the PCM device ·
device, opening
· Opening your PCM device ·
duplex mode
· snd_pcm_info_t · snd_pcm_open ·
example
· wave.c example ·
flushing
· snd_pcm_channel_flush · snd_pcm_playback_flush · snd_pcm_plugin_flush · Stopping the playback ·
information
· snd_ctl_pcm_channel_info ·
parameters
· Configuring the PCM device · snd_pcm_channel_params · snd_pcm_channel_params_t · snd_pcm_plugin_params ·
preparing
· Preparing the PCM subchannel · snd_pcm_channel_prepare · snd_pcm_plugin_prepare ·
preparing for
· snd_pcm_playback_prepare ·
rollover
· snd_pcm_channel_params_t ·
setup
· Configuring the PCM device · snd_pcm_channel_setup · snd_pcm_channel_setup_t · snd_pcm_plugin_setup · The best mixer group with respect to your PCM subchannel ·
software mixing
· Software PCM mixing ·
states
· Playback states ·
status
· snd_pcm_channel_status · snd_pcm_channel_status_t · snd_pcm_plugin_status · Synchronizing with the PCM subchannel ·
stopping
· snd_pcm_playback_drain · snd_pcm_plugin_playback_drain · Stopping the playback ·
subchannel, closing
· Closing the PCM subchannel ·
synchronizing
· If the PCM subchannel stops during playback · Synchronizing with the PCM subchannel ·
underrun
· If the PCM subchannel stops during playback · PCM state machine · Playback states · Preparing the PCM subchannel · snd_pcm_channel_status_t ·
writing data
· Sending data to the PCM subchannel · snd_pcm_plugin_write · snd_pcm_write ·
states
· PCM state machine ·
subchannels
· Pulse Code Modulation (PCM) devices ·

playback
about
· Playing audio data · Pulse Code Modulation (PCM) devices ·
capabilities
getting
· Configuring the PCM device · snd_pcm_channel_info · snd_pcm_plugin_info ·
structure
· Configuring the PCM device · snd_pcm_channel_info_t ·
channel direction
· Opening your PCM device ·
device
configuring
· Configuring the PCM device ·
duplex mode
· snd_pcm_info_t · snd_pcm_open ·
opening
· Opening your PCM device ·
example
· mixer_ctl.c example · wave.c example ·
flushing
· snd_pcm_channel_flush · snd_pcm_playback_flush · snd_pcm_plugin_flush · Stopping the playback ·
information
· snd_ctl_pcm_channel_info ·
mixer groups
· Mixer Architecture ·
opening channel for
· snd_pcm_open · snd_pcm_open_preferred ·
parameters
setting
· Configuring the PCM device · snd_pcm_channel_params · snd_pcm_plugin_params ·
structure
· Configuring the PCM device · snd_pcm_channel_params_t ·
preparing
· Preparing the PCM subchannel · snd_pcm_channel_prepare · snd_pcm_plugin_prepare ·
preparing for
· snd_pcm_playback_prepare ·
setup
getting
· Configuring the PCM device · snd_pcm_channel_setup · snd_pcm_plugin_setup · The best mixer group with respect to your PCM subchannel ·
structure
· Configuring the PCM device · snd_pcm_channel_setup_t ·
software PCM mixing
· Software PCM mixing ·
states
· Playback states ·
status
getting
· snd_pcm_channel_status · snd_pcm_plugin_status · Synchronizing with the PCM subchannel ·
structure
· snd_pcm_channel_status_t · Synchronizing with the PCM subchannel ·
stopping
· snd_pcm_playback_drain · snd_pcm_plugin_playback_drain · Stopping the playback ·
subchannel
closing
· Closing the PCM subchannel ·
synchronizing
· If the PCM subchannel stops during playback · Synchronizing with the PCM subchannel ·
underrun
· If the PCM subchannel stops during playback · PCM state machine · Playback states · Preparing the PCM subchannel · snd_pcm_channel_status_t ·
rollover
· snd_pcm_channel_params_t ·
writing data
· Sending data to the PCM subchannel · snd_pcm_plugin_write · snd_pcm_write ·

plugin functions
about
· PCM plugin converters ·
disabling
· snd_pcm_plugin_set_disable ·
PCM channels
capabilities
· Configuring the PCM device · snd_pcm_plugin_info ·
capture data, reading
· Receiving data from the PCM subchannel · snd_pcm_plugin_read ·
data, writing
· Sending data to the PCM subchannel · snd_pcm_plugin_write ·
flushing
· snd_pcm_plugin_flush · Stopping the capture · Stopping the playback ·
parameters, setting
· Configuring the PCM device · snd_pcm_plugin_params ·
playback, stopping
· snd_pcm_plugin_playback_drain · Stopping the playback ·
preparing
· Preparing the PCM subchannel · snd_pcm_plugin_prepare ·
setup
· Configuring the PCM device · snd_pcm_plugin_setup · The best mixer group with respect to your PCM subchannel ·
status
· snd_pcm_plugin_status · Synchronizing with the PCM subchannel · Synchronizing with the PCM subchannel ·

PLUGIN_DISABLE_BUFFER_PARTIAL_BLOCKS
· snd_pcm_plugin_read · snd_pcm_plugin_write ·

Prepared state
· Capture states · PCM state machine · Playback states · Preparing the PCM subchannel · snd_pcm_capture_prepare · snd_pcm_channel_prepare · snd_pcm_channel_status_t · snd_pcm_playback_prepare · snd_pcm_plugin_prepare ·

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