Adding upstream version 14.2.upstream/14.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 125 insertions, 0 deletions

diff --git a/src/pulse/scache.h b/src/pulse/scache.h
new file mode 100644
index 0000000..1be7198
--- /dev/null
+++ b/src/pulse/scache.h
@@ -0,0 +1,125 @@
+#ifndef fooscachehfoo
+#define fooscachehfoo
+
+/***
+  This file is part of PulseAudio.
+
+  Copyright 2004-2006 Lennart Poettering
+  Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
+
+  PulseAudio is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Lesser General Public License as published
+  by the Free Software Foundation; either version 2.1 of the License,
+  or (at your option) any later version.
+
+  PulseAudio is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <sys/types.h>
+
+#include <pulse/context.h>
+#include <pulse/stream.h>
+#include <pulse/cdecl.h>
+#include <pulse/version.h>
+
+/** \page scache Sample Cache
+ *
+ * \section overv_sec Overview
+ *
+ * The sample cache provides a simple way of overcoming high network latencies
+ * and reducing bandwidth. Instead of streaming a sound precisely when it
+ * should be played, it is stored on the server and only the command to start
+ * playing it needs to be sent.
+ *
+ * \section create_sec Creation
+ *
+ * To create a sample, the normal stream API is used (see \ref streams). The
+ * function pa_stream_connect_upload() will make sure the stream is stored as
+ * a sample on the server.
+ *
+ * To complete the upload, pa_stream_finish_upload() is called and the sample
+ * will receive the same name as the stream. If the upload should be aborted,
+ * simply call pa_stream_disconnect().
+ *
+ * \section play_sec Playing samples
+ *
+ * To play back a sample, simply call pa_context_play_sample():
+ *
+ * \code
+ * pa_operation *o;
+ *
+ * o = pa_context_play_sample(my_context,
+ *                            "sample2",       // Name of my sample
+ *                            NULL,            // Use default sink
+ *                            PA_VOLUME_NORM,  // Full volume
+ *                            NULL,            // Don't need a callback
+ *                            NULL
+ *                            );
+ * if (o)
+ *     pa_operation_unref(o);
+ * \endcode
+ *
+ * \section rem_sec Removing samples
+ *
+ * When a sample is no longer needed, it should be removed on the server to
+ * save resources. The sample is deleted using pa_context_remove_sample().
+ */
+
+/** \file
+ * All sample cache related routines
+ *
+ * See also \subpage scache
+ */
+
+PA_C_DECL_BEGIN
+
+/** Callback prototype for pa_context_play_sample_with_proplist(). The
+ * idx value is the index of the sink input object, or
+ * PA_INVALID_INDEX on failure. \since 0.9.11 */
+typedef void (*pa_context_play_sample_cb_t)(pa_context *c, uint32_t idx, void *userdata);
+
+/** Make this stream a sample upload stream. Returns zero on success. */
+int pa_stream_connect_upload(pa_stream *s, size_t length);
+
+/** Finish the sample upload, the stream name will become the sample
+ * name. You cancel a sample upload by issuing
+ * pa_stream_disconnect(). Returns zero on success. */
+int pa_stream_finish_upload(pa_stream *s);
+
+/** Remove a sample from the sample cache. Returns an operation object which
+ * may be used to cancel the operation while it is running. */
+pa_operation* pa_context_remove_sample(pa_context *c, const char *name, pa_context_success_cb_t cb, void *userdata);
+
+/** Play a sample from the sample cache to the specified device. If
+ * the latter is NULL use the default sink. Returns an operation
+ * object */
+pa_operation* pa_context_play_sample(
+        pa_context *c               /**< Context */,
+        const char *name            /**< Name of the sample to play */,
+        const char *dev             /**< Sink to play this sample on */,
+        pa_volume_t volume          /**< Volume to play this sample with. Starting with 0.9.15 you may pass here PA_VOLUME_INVALID which will leave the decision about the volume to the server side, which is a good idea. */ ,
+        pa_context_success_cb_t cb  /**< Call this function after successfully starting playback, or NULL */,
+        void *userdata              /**< Userdata to pass to the callback */);
+
+/** Play a sample from the sample cache to the specified device,
+ * allowing specification of a property list for the playback
+ * stream. If the latter is NULL use the default sink. Returns an
+ * operation object. \since 0.9.11 */
+pa_operation* pa_context_play_sample_with_proplist(
+        pa_context *c                   /**< Context */,
+        const char *name                /**< Name of the sample to play */,
+        const char *dev                 /**< Sink to play this sample on */,
+        pa_volume_t volume              /**< Volume to play this sample with. Starting with 0.9.15 you may pass here PA_VOLUME_INVALID which will leave the decision about the volume to the server side, which is a good idea.  */ ,
+        const pa_proplist *proplist     /**< Property list for this sound. The property list of the cached entry will have this merged into it. */,
+        pa_context_play_sample_cb_t cb  /**< Call this function after successfully starting playback, or NULL */,
+        void *userdata                  /**< Userdata to pass to the callback */);
+
+PA_C_DECL_END
+
+#endif