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prepare doxygen docs for 0.9.11
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8 changed files with 174 additions and 78 deletions
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@ -233,12 +233,11 @@ typedef enum pa_stream_flags {
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PA_STREAM_START_MUTED = 4096, /**< Create in muted state. \since 0.9.11 */
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PA_STREAM_ADJUST_LATENCY = 8192, /**< Try to adjust the latency of
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* the sink/source based on the
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* requested buffer metrics and
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* adjust buffer metrics
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* accordingly. \since 0.9.11 */
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* accordingly. See pa_buffer_attr \since 0.9.11 */
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} pa_stream_flags_t;
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@ -248,53 +247,86 @@ typedef enum pa_stream_flags {
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/** Playback and record buffer metrics */
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typedef struct pa_buffer_attr {
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uint32_t maxlength; /**< Maximum length of the
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* buffer. Setting this to 0 will
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* buffer. Setting this to (uint32_t) -1 will
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* initialize this to the maximum value
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* supported by server, which is
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* recommended. */
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uint32_t tlength; /**< Playback only: target length of the
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* buffer. The server tries to assure
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* that at least tlength bytes are always
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* available in the buffer. It is
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* recommended to set this to 0, which
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* will initialize this to a value that
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* is deemed sensible by the
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* available in the per-stream
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* server-side playback buffer. It is
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* recommended to set this to (uint32_t)
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* -1, which will initialize this to a
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* value that is deemed sensible by the
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* server. However, this value will
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* default to something like 2s, i.e. for
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* applications that have specific
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* latency requirements this value should
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* be set to the maximum latency that the
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* application can deal with. */
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* application can deal with. When
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* PA_STREAM_ADJUST_LATENCY is not set
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* this value will influence only the
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* per-stream playback buffer size. When
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* PA_STREAM_ADJUST_LATENCY is set the
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* overall latency of the sink plus the
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* playback buffer size is configured to
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* this value. Set
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* PA_STREAM_ADJUST_LATENCY if you are
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* interested in adjusting the overall
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* latency. Don't set it if you are
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* interested in configuring the
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* server-sider per-stream playback
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* buffer size. */
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uint32_t prebuf; /**< Playback only: pre-buffering. The
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* server does not start with playback
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* before at least prebug bytes are
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* available in the buffer. It is
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* recommended to set this to 0, which
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* will initialize this to the same value
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* as tlength, whatever that may be. */
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* recommended to set this to (uint32_t)
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* -1, which will initialize this to the
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* same value as tlength, whatever that
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* may be. Initialize to 0 to enable
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* manual start/stop control of the
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* stream. This means that playback will
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* not stop on underrun and playback will
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* not start automatically. Instead
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* pa_stream_corked() needs to be called
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* explicitly. If you set this value to 0
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* you should also set
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* PA_STREAM_START_CORKED. */
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uint32_t minreq; /**< Playback only: minimum request. The
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* server does not request less than
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* minreq bytes from the client, instead
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* waits until the buffer is free enough
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* to request more bytes at once. It is
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* recommended to set this to 0, which
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* will initialize this to a value that
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* is deemed sensible by the server. */
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* recommended to set this to (uint32_t)
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* -1, which will initialize this to a
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* value that is deemed sensible by the
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* server. This should be set to a value
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* that gives PulseAudio enough time to
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* move the data from the per-stream
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* playback buffer into the hardware
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* playback buffer. */
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uint32_t fragsize; /**< Recording only: fragment size. The
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* server sends data in blocks of
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* fragsize bytes size. Large values
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* deminish interactivity with other
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* operations on the connection context
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* but decrease control overhead. It is
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* recommended to set this to 0, which
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* will initialize this to a value that
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* is deemed sensible by the
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* recommended to set this to (uint32_t)
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* -1, which will initialize this to a
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* value that is deemed sensible by the
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* server. However, this value will
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* default to something like 2s, i.e. for
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* applications that have specific
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* latency requirements this value should
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* be set to the maximum latency that the
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* application can deal with. */
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* application can deal with. If
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* PA_STREAM_ADJUST_LATENCY is set the
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* overall source latency will be
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* adjusted according to this value. If
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* it is not set the source latency is
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* left unmodified. */
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} pa_buffer_attr;
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/** Error values as used by pa_context_errno(). Use pa_strerror() to convert these values to human readable strings */
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@ -431,9 +463,9 @@ typedef struct pa_timing_info {
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* PA_SEEK_RELATIVE_ON_READ
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* instead. */
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pa_usec_t configured_sink_usec; /**< The static configured latency for
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pa_usec_t configured_sink_usec; /**< The configured latency for
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* the sink. \since 0.9.11 */
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pa_usec_t configured_source_usec; /**< The static configured latency for
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pa_usec_t configured_source_usec; /**< The configured latency for
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* the source. \since 0.9.11 */
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int64_t since_underrun; /**< Bytes that were handed to the sink
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