diff --git a/src/gst-controller.c b/src/gst-controller.c
index c44130aac5d45d3ee119f36a8ef8e870f89e87b7..90e4dcec81056551749d6f86424e331127b3f158 100644 (file)
--- a/src/gst-controller.c
+++ b/src/gst-controller.c
/**
* @file gst-controller.c
*
- * @brief
+ * @brief Imeplements GStreamer related functions
*/
#include <stdint.h>
#include <string.h>
static gint fsinkCounter = 0;
static void getTime (gint64 arr[], gint64 time);
-gboolean attachPipeElements (Pipeline *pipePtr, GstElement *sink0,
+/******************************************************************************
+
+ Static Functions
+
+******************************************************************************/
+static gboolean attachPipeElements (Pipeline *pipePtr, GstElement *sink0,
GstElement *sink1)
{
gboolean ret = TRUE;
GstElement *queue1 = NULL;
GstPad *pad = NULL;
-
-
- bin = gst_bin_new ("vsinkbin");
- tee = gst_element_factory_make ("tee","splitter");
- //sink0 = createImageSinkFromWindow (drawArea1, "sink0");
- queue0 = gst_element_factory_make ("queue","q0");
- queue1 = gst_element_factory_make ("queue","q1");
-
- if (NULL == sink0)
- fsink0 = gst_element_factory_make ("fakesink", fsinkArr[fsinkCounter++]);
- if (NULL == sink1)
- fsink1 = gst_element_factory_make ("fakesink", fsinkArr[fsinkCounter++]);
+ bin = gst_bin_new ("vsinkbin");
+ tee = gst_element_factory_make ("tee","splitter");
+ queue0 = gst_element_factory_make ("queue","q0");
+ queue1 = gst_element_factory_make ("queue","q1");
+
+ if (NULL == sink0)
+ fsink0 = gst_element_factory_make ("fakesink", fsinkArr[fsinkCounter++]);
+ if (NULL == sink1)
+ fsink1 = gst_element_factory_make ("fakesink", fsinkArr[fsinkCounter++]);
+ if (!bin || !tee || !queue0 || !queue1) {
+ ret = FALSE;
+ goto exit;
+ }
+ if (NULL == sink0 && NULL == sink1) {
+ gst_bin_add_many (GST_BIN (bin), tee, fsink0, fsink1, queue0, queue1,
+ NULL);
+ gst_element_link (queue0, fsink0);
+ gst_element_link (queue1,fsink1);
+ }
- if ( !bin || !tee || !queue0 || !queue1) {
- ret = FALSE;
- goto exit;
- }
- if (NULL == sink0 && NULL == sink1) {
- gst_bin_add_many (GST_BIN (bin), tee,
- fsink0, fsink1, queue0, queue1,NULL);
- gst_element_link (queue0, fsink0);
- gst_element_link(queue1,fsink1);
- }
-
- else if (NULL != sink0 && NULL == sink1){
- gst_bin_add_many (GST_BIN (bin), tee,
- sink0, fsink1, queue0, queue1,NULL);
- gst_element_link (queue0, sink0);
- gst_element_link(queue1,fsink1);
- }
- else if (NULL!= sink0 && NULL!=sink1) {
- gst_bin_add_many (GST_BIN (bin), tee,
- sink0, sink1, queue0, queue1,NULL);
- gst_element_link (queue0, sink0);
- gst_element_link(queue1,sink1);
- }
+ else if (NULL != sink0 && NULL == sink1) {
+ gst_bin_add_many (GST_BIN (bin), tee, sink0, fsink1, queue0, queue1,
+ NULL);
+ gst_element_link (queue0, sink0);
+ gst_element_link (queue1,fsink1);
+ }
+ else if (NULL!= sink0 && NULL!=sink1) {
+ gst_bin_add_many (GST_BIN (bin), tee, sink0, sink1, queue0, queue1,
+ NULL);
+ gst_element_link (queue0, sink0);
+ gst_element_link (queue1,sink1);
+ }
- else {
- ret = FALSE;
- goto exit;
- }
- /*Connecting the tee through queues is necessary to sync the two displays*/
- gst_element_link(tee,queue0);
- gst_element_link(tee,queue1);
- //gst_element_link(queue0,sink0);
- //gst_element_link(queue1,sink1);
-
- pad = gst_element_get_static_pad (tee, "sink");
- gst_element_add_pad (bin, gst_ghost_pad_new ("sink", pad));
- gst_object_unref (GST_OBJECT (pad));
- g_object_set (G_OBJECT (pipePtr->pipe), "video-sink", bin, NULL);
-
-
+ else {
+ ret = FALSE;
+ goto exit;
+ }
+ /*Connecting the tee through queues is necessary to sync the two displays*/
+ gst_element_link (tee,queue0);
+ gst_element_link (tee,queue1);
+ pad = gst_element_get_static_pad (tee, "sink");
+ gst_element_add_pad (bin, gst_ghost_pad_new ("sink", pad));
+ gst_object_unref (GST_OBJECT (pad));
+ g_object_set (G_OBJECT (pipePtr->pipe), "video-sink", bin, NULL);
+
exit: return ret;
}
-gboolean setSink (Pipeline *pipePtr, GstElement *sink)
-{
- gboolean ret = TRUE;
- GstElement *bin = NULL;
- GstElement *queue1 = NULL;
-
- return ret;
-}
-gboolean busCallback(GstBus *bus, GstMessage *msg, gpointer data)
+static gboolean busCallback (GstBus *bus, GstMessage *msg, gpointer data)
{
gchar *name = (gchar *)data;
gchar *debugMsg = NULL;
GError *err = NULL;
- static int count = 0;
+ static int count = 0;
- switch(GST_MESSAGE_TYPE(msg)){
+ switch (GST_MESSAGE_TYPE(msg)) {
- case GST_MESSAGE_EOS:
- g_printerr("%s -> Message (EOS) : End of stream.\n",name);
- count++;
- break;
+ case GST_MESSAGE_EOS:
+ g_printerr("%s -> Message (EOS) : End of stream.\n",name);
+ count++;
+ break;
- case GST_MESSAGE_ERROR: {
- gst_message_parse_error(msg,&err,&debugMsg);
- g_printerr("%s -> Message (ERROR) : %s : debug ( %s )\n", name,err->message,debugMsg);
- g_free(debugMsg);
- g_error_free(err);
- count++;
- break;
- }
- case GST_MESSAGE_WARNING: {
- gst_message_parse_warning(msg,&err,&debugMsg);
- g_printerr("%s -> Message (WARNING) : %s : debug ( %s )\n",
+ case GST_MESSAGE_ERROR: {
+ gst_message_parse_error(msg,&err,&debugMsg);
+ g_printerr("%s -> Message (ERROR) : %s : debug ( %s )\n",
+ name,err->message,debugMsg);
+ g_free(debugMsg);
+ g_error_free(err);
+ count++;
+ break;
+ }
+ case GST_MESSAGE_WARNING: {
+ gst_message_parse_warning(msg,&err,&debugMsg);
+ g_printerr("%s -> Message (WARNING) : %s : debug ( %s )\n",
name,err->message,debugMsg);
- g_free(debugMsg);
- g_error_free(err);
- break;
+ g_free(debugMsg);
+ g_error_free(err);
+ break;
}
default:
}
return TRUE;
+}
+
+static void getTime (gint64 arr[], gint64 time)
+{
+ gint8 i = 0;
+ time = time / (gint64) NANOSEC;
+
+ for (i = 0; i < 3; i++){
+ arr[i] = time % 60;
+ time = time / 60;
+ }
+
}
-
+/*****************************************************************************
+
+ Public Functions
+
+******************************************************************************/
+
+
+/*****************************************************************************
+* see gst-controller.h
+******************************************************************************/
Pipeline * DualDecode_createPipeline()
{
Pipeline *pipelinePtr = (Pipeline *) malloc (sizeof(Pipeline));
GstBus *bus = NULL;
- pipelinePtr->pipe = gst_element_factory_make("playbin2",NULL);
- bus = gst_pipeline_get_bus (GST_PIPELINE(pipelinePtr->pipe));
+ pipelinePtr->pipe = gst_element_factory_make ("playbin2",NULL);
+ bus = gst_pipeline_get_bus (GST_PIPELINE (pipelinePtr->pipe));
pipelinePtr->busSignal = gst_bus_add_watch (bus,busCallback, NULL);
gst_object_unref (bus);
pipelinePtr->logFunc = NULL;
return pipelinePtr;
}
-gboolean DualDecode_setSinksForPipes (Pipeline **pipes,GstElement *sink0, GstElement *sink1)
+gboolean DualDecode_setSinksForPipes (Pipeline **pipes, GstElement *sink0,
+ GstElement *sink1)
{
gboolean ret = TRUE;
attachPipeElements (pipes[0], sink0, NULL);
@@ -197,58 +209,39 @@ gboolean DualDecode_setSinksForPipes (Pipeline **pipes,GstElement *sink0, GstEle
return ret;
}
-gboolean DualDecode_seekMedia(Pipeline *pipePtr, gint64 position)
+gboolean DualDecode_seekMedia (Pipeline *pipePtr, gint64 position)
{
- if(position < 0){
+ if (position < 0) {
return FALSE;
}
- return gst_element_seek_simple(pipePtr->pipe,
- GST_FORMAT_TIME,
- GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_KEY_UNIT,
- position);
+ return gst_element_seek_simple (pipePtr->pipe, GST_FORMAT_TIME,
+ GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_KEY_UNIT,
+ position);
}
-gboolean DualDecode_playMedia (Pipeline *pipePtr, gchar *filename, gint64 position,
- GstElement *sink0, GstElement *sink1)
-{
- gboolean ret = TRUE;
-
- g_object_set(G_OBJECT(pipePtr->pipe),"uri", filename,NULL);
-/* if (!(attachPipeElements (pipePtr, sink0, sink1))) {
- ret = FALSE;
- goto exit;
- }*/
- gst_element_set_state (pipePtr->pipe, GST_STATE_NULL);
- gst_element_set_state (pipePtr->pipe, GST_STATE_PLAYING);
-
- DualDecode_getMediaState(pipePtr);
- DualDecode_seekMedia(pipePtr, position);
-
-
-exit: return ret;
-}
gboolean DualDecode_pauseMedia (Pipeline *pipePtr)
{
gboolean ret = TRUE;
- if (GST_STATE_CHANGE_ASYNC == gst_element_set_state (pipePtr->pipe, GST_STATE_PAUSED)){
- g_print ("SET CHANGE RETURNED ASYNC \n");
- gst_element_get_state (pipePtr->pipe,
+ GstStateChangeReturn stateReturn;
+ if (GST_STATE_CHANGE_ASYNC ==
+ gst_element_set_state (pipePtr->pipe, GST_STATE_PAUSED)) {
+ g_print ("STATE CHANGE RETURNED ASYNC \n");
+ stateReturn = gst_element_get_state (pipePtr->pipe,
NULL,
NULL,
- GST_CLOCK_TIME_NONE);
- }
-
-
-
+ TIMEOUT);
+ g_print ("GET STATE RETURNED %s\n",
+ gst_element_state_change_return_get_name (stateReturn));
+ }
return ret;
}
gboolean DualDecode_resumeMedia (Pipeline *pipePtr)
{
gboolean ret = TRUE;
- if(!gst_element_set_state (pipePtr->pipe, GST_STATE_PLAYING))
+ if (!gst_element_set_state (pipePtr->pipe, GST_STATE_PLAYING))
ret = FALSE;
g_print ("IN RESUME MEDIA\n");
return ret;
gboolean DualDecode_stopMedia (Pipeline *pipePtr)
{
gboolean ret = TRUE;
- if(!gst_element_set_state (pipePtr->pipe, GST_STATE_NULL))
+ if (!gst_element_set_state (pipePtr->pipe, GST_STATE_NULL))
ret = FALSE;
return ret;
gboolean DualDecode_setLogFunction (Pipeline *pipePtr, LogFunc func, gpointer data)
{
gboolean ret = TRUE;
-
+
return ret;
}
{
GstState state, pending;
g_print ("IN GET MEDIA STATE ENTRY\n");
- if(GST_STATE_CHANGE_SUCCESS != gst_element_get_state(
- pipePtr->pipe,
- &state,
- &pending,
- GST_CLOCK_TIME_NONE)){
+ if (GST_STATE_CHANGE_SUCCESS != gst_element_get_state(
+ pipePtr->pipe, &state, &pending, GST_CLOCK_TIME_NONE)) {
/*TODO : a bug here*/
- g_printerr("No state in GstElement\n");
- }
- g_print("EXITING FROM GET MEDIA STATE\n");
+ g_printerr ("No state in GstElement\n");
+ }
+ g_print ("EXITING FROM GET MEDIA STATE\n");
return state;
}
@@ -315,89 +305,73 @@ gboolean DualDecode_getMediaPosition (Pipeline *pipePtr, gdouble *seekScaleValue
return ret;
}
-static void getTime (gint64 arr[], gint64 time)
-{
- gint8 i = 0;
- time = time / (gint64) NANOSEC;
- for (i = 0; i < 3; i++){
- arr[i] = time % 60;
- time = time / 60;
- }
-
-}
-void DualDecode_setPipelineSink (Pipeline *pipePtr, GstElement *sink0, GstElement *sink1)
+void DualDecode_setPipelineSink (Pipeline *pipePtr, GstElement *sink0,
+ GstElement *sink1)
{
g_print ("IN SET PIPE IN SINGLE MODE");
attachPipeElements (pipePtr, sink0, sink1);
- //gst_element_set_state (pipePtr->pipe, GST_STATE_READY);
}
-gboolean DualDecode_playMedia2 (Pipeline *pipePtr, gchar *filename, gint64 position)
+gboolean DualDecode_playMedia (Pipeline *pipePtr, gchar *filename, gint64 position)
{
gboolean ret = TRUE;
g_print ("IN PLAYMEDIA2");
- g_object_set(G_OBJECT(pipePtr->pipe),"uri", filename,NULL);
-/* if (!(attachPipeElements (pipePtr, sink0, sink1))) {
- ret = FALSE;
- goto exit;
- }*/
+ g_object_set (G_OBJECT (pipePtr->pipe),"uri", filename,NULL);
gst_element_set_state (pipePtr->pipe, GST_STATE_NULL);
gst_element_set_state (pipePtr->pipe, GST_STATE_PLAYING);
- DualDecode_getMediaState(pipePtr);
- DualDecode_seekMedia(pipePtr, position);
-
+ DualDecode_getMediaState (pipePtr);
+ DualDecode_seekMedia (pipePtr, position);
+
+ return ret;
-exit: return ret;
}
gboolean DualDecode_singleToDual (Pipeline **pipes,GstElement * otherWindowSink,
gint thisWindow, gint otherWindow,
- gchar **filename)
+ gchar *filename)
{
gboolean ret = TRUE;
- GstElement *thisbin = NULL;
- GstElement *otherbin = NULL;
- GstElement *fsink = NULL;
- GstElement *queue0 = NULL;
- GstElement *queue1 = NULL;
- GstState state0 ;
+ GstElement *thisbin = NULL;
+ GstElement *otherbin = NULL;
+ GstElement *fsink = NULL;
+ GstElement *queue0 = NULL;
+ GstElement *queue1 = NULL;
+ GstState state0 = GST_STATE_NULL;
- //gst_element_set_state (pipes[thisWindow]->pipe, GST_STATE_PAUSED);
- gst_element_get_state(
- pipes[thisWindow]->pipe,
- &state0,
- NULL,
- GST_CLOCK_TIME_NONE);
+ gst_element_get_state (pipes[thisWindow]->pipe, &state0, NULL,
+ GST_CLOCK_TIME_NONE);
+ /*Remove otherWindowsink from this pipeline*/
g_object_get (G_OBJECT (pipes[thisWindow]->pipe),"video-sink", &thisbin,NULL);
queue1 = gst_bin_get_by_name (GST_BIN (thisbin), "q1");
gst_element_unlink (queue1, otherWindowSink);
gst_object_ref (otherWindowSink);
gst_bin_remove (GST_BIN (thisbin), otherWindowSink);
-
+
+ /*Remove a fake sink from the other pipeline*/
g_object_get (G_OBJECT (pipes[otherWindow]->pipe), "video-sink", &otherbin, NULL);
queue0 = gst_bin_get_by_name (GST_BIN (otherbin), "q0");
fsink = gst_bin_get_by_name (GST_BIN (otherbin), "fsink0");
gst_element_unlink (queue0, fsink);
gst_object_ref (fsink);
gst_bin_remove (GST_BIN (otherbin), fsink);
-
+
+ /*Add fakesink to this pipeline*/
gst_bin_add (GST_BIN (thisbin), fsink);
gst_element_sync_state_with_parent (fsink);
gst_element_link (queue1, fsink);
-
+
+ /* Add otherWindowSink to other pipeline */
gst_element_set_state (otherWindowSink, GST_STATE_READY);
gst_bin_add (GST_BIN (otherbin), otherWindowSink);
- //gst_element_sync_state_with_parent (window[otherWindow]->sink);
gst_element_link (queue0, otherWindowSink);
- DualDecode_playMedia2 (pipes[otherWindow], filename, 0);
- //DualDecode_playMedia2 (pipes[thiswindow], filename[DECODER_INDEX_SINGLE], SEEK_START);
+ DualDecode_playMedia (pipes[otherWindow], filename, 0);
gst_element_set_state (pipes[thisWindow]->pipe, state0);
return ret;
@@ -407,35 +381,36 @@ gboolean DualDecode_dualToSingle (Pipeline **pipes,GstElement * otherWindowSink,
gint thisWindow, gint otherWindow)
{
gboolean ret = TRUE;
-
- GstElement *bin = NULL;
- GstElement *bin2 = NULL;
- GstElement *fsink = NULL;
+ GstElement *bin = NULL;
+ GstElement *bin2 = NULL;
+ GstElement *fsink = NULL;
GstElement *fsink0 = NULL;
GstElement *queue0 = NULL;
GstElement *queue1 = NULL;
- gchar *name = NULL;
+ gchar *name = NULL;
+
+ /*Remove otherWindow sink from other pipeline*/
gst_element_set_state (pipes[otherWindow]->pipe, GST_STATE_PAUSED);
-
g_object_get (G_OBJECT (pipes[otherWindow]->pipe), "video-sink", &bin2, NULL);
queue0 = gst_bin_get_by_name (GST_BIN (bin2), "q0");
gst_element_unlink (queue0, otherWindowSink);
gst_object_ref (otherWindowSink);
gst_bin_remove (GST_BIN (bin2), otherWindowSink);
-
+
+ /*Remove fake sink from this pipeline*/
g_object_get (G_OBJECT (pipes[thisWindow]->pipe), "video-sink", &bin, NULL);
queue1 = gst_bin_get_by_name (GST_BIN (bin), "q1");
fsink = gst_bin_get_by_name (GST_BIN (bin), "fsink0");
if (NULL == fsink)
fsink = gst_bin_get_by_name (GST_BIN (bin), "fsink1");
- name = gst_element_get_name(fsink);
-
+ name = gst_element_get_name (fsink);
gst_element_unlink (queue1, fsink);
gst_object_ref (fsink);
gst_bin_remove (GST_BIN (bin),fsink);
gst_element_set_state (otherWindowSink, GST_STATE_READY);
-
+
+ /*Add fake sink to other pipeline */
gst_bin_add (GST_BIN (bin2), fsink);
gst_element_sync_state_with_parent (fsink);
@@ -452,7 +427,9 @@ gboolean DualDecode_dualToSingle (Pipeline **pipes,GstElement * otherWindowSink,
gst_element_link (queue1, fsink);
gst_element_link (queue0, fsink0);
}
- g_free (name);
+ g_free (name);
+
+ /*Add otherWindowSink to this pipeline*/
gst_bin_add (GST_BIN (bin), otherWindowSink);
gst_element_sync_state_with_parent (otherWindowSink);
gst_element_link (queue1, otherWindowSink);