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authorbea@american.lindenlab.com <bea@american.lindenlab.com>2009-12-01 18:47:36 -0800
committerbea@american.lindenlab.com <bea@american.lindenlab.com>2009-12-01 18:47:36 -0800
commit9026ac3264b00636a72a0c196b02cdac96b2c156 (patch)
treef9e9cd5060de8db85e8db8a3f09fa45f540fcf48 /indra
parent8e3276ebf9fc87b3d622dd23dbf22b10ffb494f2 (diff)
Add Doxygen comments
Diffstat (limited to 'indra')
-rw-r--r--indra/media_plugins/base/media_plugin_base.cpp56
-rw-r--r--indra/media_plugins/base/media_plugin_base.h42
2 files changed, 85 insertions, 13 deletions
diff --git a/indra/media_plugins/base/media_plugin_base.cpp b/indra/media_plugins/base/media_plugin_base.cpp
index 8c8fa24a65..658783e064 100644
--- a/indra/media_plugins/base/media_plugin_base.cpp
+++ b/indra/media_plugins/base/media_plugin_base.cpp
@@ -2,6 +2,8 @@
* @file media_plugin_base.cpp
* @brief Media plugin base class for LLMedia API plugin system
*
+ * All plugins should be a subclass of MediaPluginBase.
+ *
* @cond
* $LicenseInfo:firstyear=2008&license=viewergpl$
*
@@ -37,7 +39,10 @@
// TODO: Make sure that the only symbol exported from this library is LLPluginInitEntryPoint
////////////////////////////////////////////////////////////////////////////////
-//
+/// Media plugin constructor.
+///
+/// @param[in] host_send_func Function for sending messages from plugin to plugin loader shell
+/// @param[in] host_user_data Message data for messages from plugin to plugin loader shell
MediaPluginBase::MediaPluginBase(
LLPluginInstance::sendMessageFunction host_send_func,
@@ -55,6 +60,12 @@ MediaPluginBase::MediaPluginBase(
mStatus = STATUS_NONE;
}
+/**
+ * Converts current media status enum value into string (STATUS_LOADING into "loading", etc.)
+ *
+ * @return Media status string ("loading", "playing", "paused", etc)
+ *
+ */
std::string MediaPluginBase::statusString()
{
std::string result;
@@ -75,6 +86,12 @@ std::string MediaPluginBase::statusString()
return result;
}
+/**
+ * Set media status.
+ *
+ * @param[in] status Media status (STATUS_LOADING, STATUS_PLAYING, STATUS_PAUSED, etc)
+ *
+ */
void MediaPluginBase::setStatus(EStatus status)
{
if(mStatus != status)
@@ -85,6 +102,13 @@ void MediaPluginBase::setStatus(EStatus status)
}
+/**
+ * Receive message from plugin loader shell.
+ *
+ * @param[in] message_string Message string
+ * @param[in] user_data Message data
+ *
+ */
void MediaPluginBase::staticReceiveMessage(const char *message_string, void **user_data)
{
MediaPluginBase *self = (MediaPluginBase*)*user_data;
@@ -102,12 +126,27 @@ void MediaPluginBase::staticReceiveMessage(const char *message_string, void **us
}
}
+/**
+ * Send message to plugin loader shell.
+ *
+ * @param[in] message Message data being sent to plugin loader shell
+ *
+ */
void MediaPluginBase::sendMessage(const LLPluginMessage &message)
{
std::string output = message.generate();
mHostSendFunction(output.c_str(), &mHostUserData);
}
+/**
+ * Notifies plugin loader shell that part of display area needs to be redrawn.
+ *
+ * @param[in] left Left X coordinate of area to redraw (0,0 is at top left corner)
+ * @param[in] top Top Y coordinate of area to redraw (0,0 is at top left corner)
+ * @param[in] right Right X-coordinate of area to redraw (0,0 is at top left corner)
+ * @param[in] bottom Bottom Y-coordinate of area to redraw (0,0 is at top left corner)
+ *
+ */
void MediaPluginBase::setDirty(int left, int top, int right, int bottom)
{
LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "updated");
@@ -120,6 +159,10 @@ void MediaPluginBase::setDirty(int left, int top, int right, int bottom)
sendMessage(message);
}
+/**
+ * Sends "media_status" message to plugin loader shell ("loading", "playing", "paused", etc.)
+ *
+ */
void MediaPluginBase::sendStatus()
{
LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "media_status");
@@ -143,6 +186,17 @@ extern "C"
LLSYMEXPORT int LLPluginInitEntryPoint(LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data, LLPluginInstance::sendMessageFunction *plugin_send_func, void **plugin_user_data);
}
+/**
+ * Plugin initialization and entry point. Establishes communication channel for messages between plugin and plugin loader shell. TODO:DOC - Please check!
+ *
+ * @param[in] host_send_func Function for sending messages from plugin to plugin loader shell
+ * @param[in] host_user_data Message data for messages from plugin to plugin loader shell
+ * @param[out] plugin_send_func Function for plugin to receive messages from plugin loader shell
+ * @param[out] plugin_user_data Pointer to plugin instance
+ *
+ * @return int, where 0=success
+ *
+ */
LLSYMEXPORT int
LLPluginInitEntryPoint(LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data, LLPluginInstance::sendMessageFunction *plugin_send_func, void **plugin_user_data)
{
diff --git a/indra/media_plugins/base/media_plugin_base.h b/indra/media_plugins/base/media_plugin_base.h
index 4dd157a07c..8f8e89f2e3 100644
--- a/indra/media_plugins/base/media_plugin_base.h
+++ b/indra/media_plugins/base/media_plugin_base.h
@@ -42,14 +42,17 @@ class MediaPluginBase
{
public:
MediaPluginBase(LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data);
+ /** Media plugin destructor. */
virtual ~MediaPluginBase() {}
+ /** Handle received message from plugin loader shell. */
virtual void receiveMessage(const char *message_string) = 0;
static void staticReceiveMessage(const char *message_string, void **user_data);
protected:
+ /** Plugin status. */
typedef enum
{
STATUS_NONE,
@@ -61,10 +64,13 @@ protected:
STATUS_DONE
} EStatus;
+ /** Plugin shared memory. */
class SharedSegmentInfo
{
public:
+ /** Shared memory address. */
void *mAddress;
+ /** Shared memory size. */
size_t mSize;
};
@@ -73,42 +79,54 @@ protected:
std::string statusString();
void setStatus(EStatus status);
- // The quicktime plugin overrides this to add current time and duration to the message...
+ /// Note: The quicktime plugin overrides this to add current time and duration to the message.
virtual void setDirty(int left, int top, int right, int bottom);
+ /** Map of shared memory names to shared memory. */
typedef std::map<std::string, SharedSegmentInfo> SharedSegmentMap;
+ /** Function to send message from plugin to plugin loader shell. */
LLPluginInstance::sendMessageFunction mHostSendFunction;
+ /** Message data being sent to plugin loader shell by mHostSendFunction. */
void *mHostUserData;
+ /** Flag to delete plugin instance (self). */
bool mDeleteMe;
+ /** Pixel array to display. TODO:DOC are pixels always 24-bit RGB format, aligned on 32-bit boundary? Also: calling this a pixel array may be misleading since 1 pixel > 1 char. */
unsigned char* mPixels;
+ /** TODO:DOC what's this for -- does a texture have its own piece of shared memory? updated on size_change_request, cleared on shm_remove */
std::string mTextureSegmentName;
+ /** Width of plugin display in pixels. */
int mWidth;
+ /** Height of plugin display in pixels. */
int mHeight;
+ /** Width of plugin texture. */
int mTextureWidth;
+ /** Height of plugin texture. */
int mTextureHeight;
+ /** Pixel depth (pixel size in bytes). */
int mDepth;
+ /** Current status of plugin. */
EStatus mStatus;
+ /** Map of shared memory segments. */
SharedSegmentMap mSharedSegments;
};
-// The plugin must define this function to create its instance.
+/** The plugin <b>must</b> define this function to create its instance.
+ * It should look something like this: \n
+{ \n
+ MediaPluginFoo *self = new MediaPluginFoo(host_send_func, host_user_data); \n
+ *plugin_send_func = MediaPluginFoo::staticReceiveMessage; \n
+ *plugin_user_data = (void*)self; \n
+ \n
+ return 0; \n
+} \n
+*/
int init_media_plugin(
LLPluginInstance::sendMessageFunction host_send_func,
void *host_user_data,
LLPluginInstance::sendMessageFunction *plugin_send_func,
void **plugin_user_data);
-// It should look something like this:
-/*
-{
- MediaPluginFoo *self = new MediaPluginFoo(host_send_func, host_user_data);
- *plugin_send_func = MediaPluginFoo::staticReceiveMessage;
- *plugin_user_data = (void*)self;
-
- return 0;
-}
-*/