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new features:

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future cancellation
  corking
  flushing
for playback streams in native protocol


git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@152 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2004-08-22 21:13:58 +00:00
parent ea4805a0fd
commit 41295bbf56
20 changed files with 309 additions and 129 deletions
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35
polyp/polyplib-stream.h
View file

@ -70,7 +70,30 @@ void pa_stream_disconnect(struct pa_stream *s);
* and an internal reference to the specified data is kept, the data
* is not copied. If NULL, the data is copied into an internal
* buffer. */
void pa_stream_write(struct pa_stream *p, const void *data, size_t length, void (*free_cb)(void *p));
void pa_stream_write(struct pa_stream *p /**< The stream to use */,
const void *data /**< The data to write */,
size_t length /**< The length of the data to write */,
void (*free_cb)(void *p) /**< A cleanup routine for the data or NULL to request an internal copy */,
size_t delta /**< Drop this many
bytes in the playback
buffer before writing
this data. Use
(size_t) -1 for
clearing the whole
playback
buffer. Normally you
will specify 0 here,
.i.e. append to the
playback buffer. If
the value given here
is greater than the
buffered data length
the buffer is cleared
and the data is
written to the
buffer's start. This
value is ignored on
upload streams. */);
/** Return the amount of bytes that may be written using pa_stream_write() */
size_t pa_stream_writable_size(struct pa_stream *p);
@ -90,6 +113,16 @@ void pa_stream_set_write_callback(struct pa_stream *p, void (*cb)(struct pa_stre
/** Set the callback function that is called when new data is available from the stream */
void pa_stream_set_read_callback(struct pa_stream *p, void (*cb)(struct pa_stream *p, const void*data, size_t length, void *userdata), void *userdata);
/** Pause (or resume) playback of this stream temporarily
* \since 0.3 */
struct pa_operation* pa_stream_cork(struct pa_stream *s, int b, void (*cb) (struct pa_stream*s, int success, void *userdata), void *userdata);
/** Flush the playback buffer of this stream. Most of the time you're
* better off using the delta of pa_stream_write() instead of this
* function.
* \since 0.3*/
struct pa_operation* pa_stream_flush(struct pa_stream *s, void (*cb)(struct pa_stream *s, int success, void *userdata), void *userdata);
PA_C_DECL_END
#endif