--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/khronosfws/openmax_al/src/gst_adaptation/xaadaptationgst.c Tue Aug 31 15:43:02 2010 +0300
@@ -0,0 +1,1415 @@
+/*
+ * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+ * All rights reserved.
+ * This component and the accompanying materials are made available
+ * under the terms of "Eclipse Public License v1.0"
+ * which accompanies this distribution, and is available
+ * at the URL "http://www.eclipse.org/legal/epl-v10.html".
+ *
+ * Initial Contributors:
+ * Nokia Corporation - initial contribution.
+ *
+ * Contributors:
+ *
+ * Description: Base GStreamer Adaptation Source
+ *
+ */
+
+#include <assert.h>
+#include <string.h>
+#include <gst/gst.h>
+#include <gst/gstbuffer.h>
+#include "xaobjectitf.h"
+#include "xaradiodevice.h"
+#include <stdlib.h>
+#include "xaadaptationgst.h"
+/*
+ * XAAdaptationGstCtx* XAAdaptationGst_Create()
+ * 1st phase initialization function for Adaptation Base context structure.
+ * Reserves memory for base context and initializes GStreamer FW.
+ */
+XAresult XAAdaptationGst_Init(XAAdaptationGstCtx* pSelf, XAuint32 ctxId)
+ {
+ DEBUG_API("->XAAdaptationGst_Init");
+
+ if (pSelf)
+ {
+ if (XAAdaptationBase_Init(&(pSelf->baseObj), ctxId)
+ != XA_RESULT_SUCCESS)
+ {
+ DEBUG_ERR("Failed to init base context!!!");
+ free(pSelf);
+ pSelf = NULL;
+ }
+ else
+ {
+ GError* gerror = 0;
+ /* Add default handler for Gst-bus messages */
+ pSelf->busCb = XAAdaptationGst_GstBusCb;
+
+ // VASU MOD BEGINS
+ pSelf->cond_mutx_inited = XA_BOOLEAN_FALSE;
+ // VASU MOD ENDS
+
+ sem_init(&(pSelf->semAsyncWait), 0, 0);
+//cross check
+ if ( !gst_init_check( NULL, NULL, &gerror ) )
+ {
+ DEBUG_ERR("Gst Initalization failure.");
+ return XA_RESULT_INTERNAL_ERROR;
+ }
+ }
+ }
+ else
+ {
+ DEBUG_ERR("Invalid Gst Base Context.")
+ return XA_RESULT_PARAMETER_INVALID;
+ }
+
+ DEBUG_API("<-XAAdaptationGst_Init");
+ return XA_RESULT_SUCCESS;
+ }
+
+/*
+ * XAresult XAAdaptationGst_PostInit()
+ * 2nd phase initialization for Adaptation Base.
+ */
+XAresult XAAdaptationGst_PostInit(XAAdaptationGstCtx* ctx)
+ {
+ XAresult ret = XA_RESULT_SUCCESS;
+ DEBUG_API("->XAAdaptationGst_PostInit");
+ // VASU MOD BEGINS
+ XAAdaptationBase_PostInit(&ctx->baseObj);
+
+ ctx->thread_launched = XA_BOOLEAN_FALSE;
+ pthread_mutex_init(&(ctx->ds_mutex), NULL);
+ pthread_cond_init(&(ctx->ds_condition), NULL);
+ ctx->cond_mutx_inited = XA_BOOLEAN_TRUE;
+
+ // VASU MOD ENDS
+ DEBUG_API("<-XAAdaptationGst_PostInit");
+ return ret;
+ }
+
+/*
+ * void XAAdaptationGst_Free( XAAdaptationGstCtx* ctx )
+ * Frees all Base context variables .
+ */
+void XAAdaptationGst_Free(XAAdaptationGstCtx* ctx)
+ {
+ GstElement* fakesink = NULL;
+ DEBUG_API("->XAAdaptationGst_Free");
+
+ if (ctx->bin)
+ {
+ fakesink = gst_bin_get_by_name(GST_BIN(ctx->bin), "fakesink");
+ if (fakesink)
+ {
+ gst_element_set_state(GST_ELEMENT(fakesink), GST_STATE_NULL);
+ gst_object_unref(fakesink);
+ }
+
+ if (gst_element_set_state(GST_ELEMENT(ctx->bin), GST_STATE_NULL)
+ != GST_STATE_CHANGE_SUCCESS)
+ { /*not much we can do*/
+ DEBUG_ERR("WARNING: Failed to change to NULL state before deletion!!")
+ }
+ }
+
+ if (ctx->asynctimer)
+ { /*cancel timer*/
+ g_source_remove(ctx->asynctimer);
+ }
+ sem_post(&(ctx->semAsyncWait));
+ sem_destroy(&(ctx->semAsyncWait));
+
+ XAAdaptationGst_StopGstListener(ctx);
+
+ if (ctx->bin)
+ {
+ gst_object_unref(ctx->bin);
+ }
+
+ //g_array_free(ctx->evtHdlrs, TRUE);
+ // VASU MOD BEGINS
+ if (ctx->cond_mutx_inited == XA_BOOLEAN_TRUE)
+ {
+ ctx->thread_launched = XA_BOOLEAN_FALSE;
+ pthread_mutex_destroy(&(ctx->ds_mutex));
+ pthread_cond_destroy(&(ctx->ds_condition));
+ ctx->cond_mutx_inited = XA_BOOLEAN_FALSE;
+ }
+ // VASU MOD ENDS
+ XAAdaptationBase_Free(&ctx->baseObj);
+
+ DEBUG_API("<-XAAdaptationGst_Free");
+ }
+
+/*
+ * gboolean XAAdaptationBase_GstBusCb( GstBus *bus, GstMessage *message, gpointer data )
+ * Default Gst-bus message handler (Callback)
+ */
+gboolean XAAdaptationGst_GstBusCb(GstBus *bus, GstMessage *message,
+ gpointer data)
+ {
+ GError *error;
+ gchar *debug;
+ DEBUG_API("->XAAdaptationGst_GstBusCb");DEBUG_INFO_A2("Received Gst callback \"%s\" from \"%s\"",
+ GST_MESSAGE_TYPE_NAME(message),
+ GST_OBJECT_NAME(GST_MESSAGE_SRC(message)));
+
+ switch (GST_MESSAGE_TYPE(message))
+ {
+ case GST_MESSAGE_ERROR:
+ gst_message_parse_error(message, &error, &debug);
+ DEBUG_INFO_A1("%s", debug)
+ ;
+ break;
+ case GST_MESSAGE_EOS:
+ break;
+ case GST_MESSAGE_UNKNOWN:
+ break;
+ case GST_MESSAGE_WARNING:
+ break;
+ case GST_MESSAGE_INFO:
+ break;
+ case GST_MESSAGE_TAG:
+ break;
+ case GST_MESSAGE_BUFFERING:
+ break;
+ case GST_MESSAGE_STATE_CHANGED:
+ break;
+ case GST_MESSAGE_STATE_DIRTY:
+ break;
+ case GST_MESSAGE_STEP_DONE:
+ break;
+ case GST_MESSAGE_CLOCK_PROVIDE:
+ break;
+ case GST_MESSAGE_CLOCK_LOST:
+ break;
+ case GST_MESSAGE_NEW_CLOCK:
+ break;
+ case GST_MESSAGE_STRUCTURE_CHANGE:
+ break;
+ case GST_MESSAGE_STREAM_STATUS:
+ break;
+ case GST_MESSAGE_APPLICATION:
+ break;
+ case GST_MESSAGE_ELEMENT:
+ break;
+ case GST_MESSAGE_SEGMENT_START:
+ break;
+ case GST_MESSAGE_SEGMENT_DONE:
+ break;
+ case GST_MESSAGE_DURATION:
+ break;
+ case GST_MESSAGE_LATENCY:
+ break;
+ case GST_MESSAGE_ASYNC_START:
+ break;
+ case GST_MESSAGE_ASYNC_DONE:
+ break;
+ case GST_MESSAGE_ANY:
+ break;
+ default:
+ DEBUG_INFO("Unhandled Gst-Bus message")
+ ;
+ break;
+ }
+ DEBUG_API("<-XAAdaptationGst_GstBusCb");
+ return TRUE;
+ }
+
+XAresult XAAdaptationGst_InitGstListener(XAAdaptationGstCtx* ctx)
+ {
+ int ret;
+ DEBUG_API("->XAAdaptationGst_InitGstListener");
+ if (ctx->bin)
+ {
+ ctx->bus = gst_pipeline_get_bus(GST_PIPELINE( ctx->bin ));
+ }
+ if (!ctx->bus)
+ {
+ DEBUG_ERR("could not get gst bus!")
+ return XA_RESULT_INTERNAL_ERROR;
+ }
+ ret = pthread_create(&(ctx->busloopThr), NULL,
+ (XAAdaptationGst_LaunchGstListener), (void*) ctx);
+ // VASU MOD BEGINS
+ if (ctx->thread_launched == XA_BOOLEAN_FALSE)
+ {
+ // Wait until the thread is created
+ pthread_mutex_lock(&(ctx->ds_mutex));
+ pthread_cond_wait(&(ctx->ds_condition), &(ctx->ds_mutex));
+ pthread_mutex_unlock(&(ctx->ds_mutex));
+ // VASU MOD ENDS
+ }
+ if (ret)
+ {
+ DEBUG_ERR_A1("could not create thread!! (%d)",ret)
+ return XA_RESULT_INTERNAL_ERROR;
+ }
+ DEBUG_API("<-XAAdaptationGst_InitGstListener");
+ return XA_RESULT_SUCCESS;
+ }
+
+void * XAAdaptationGst_LaunchGstListener(void* args)
+ {
+ XAAdaptationGstCtx* ctx = (XAAdaptationGstCtx*) args;
+ DEBUG_API("->XAAdaptationGst_LaunchGstListener");
+ // VASU MOD BEGINS
+ // Signal calling thread that this thread creation is completed
+ ctx->thread_launched = XA_BOOLEAN_TRUE;
+ pthread_mutex_lock(&(ctx->ds_mutex));
+ pthread_cond_signal(&(ctx->ds_condition));
+ pthread_mutex_unlock(&(ctx->ds_mutex));
+ // VASU MOD ENDS
+
+ ctx->busloop = g_main_loop_new(NULL, FALSE);
+ if (!ctx->busloop)
+ {
+ DEBUG_ERR("Glib main loop failure.");
+ DEBUG_API("<-XAAdaptationGst_LaunchGstListener");
+ assert(0);
+ }
+ else
+ {
+ DEBUG_INFO("Start Glib main loop")
+ g_main_loop_run(ctx->busloop);
+ DEBUG_INFO("Glib main loop stopped - exiting thread");
+ DEBUG_API("<-XAAdaptationGst_LaunchGstListener");
+ pthread_exit(NULL);
+ }
+ return NULL;
+ }
+
+void XAAdaptationGst_StopGstListener(XAAdaptationGstCtx* ctx)
+ {
+ DEBUG_API("->XAAdaptationGst_StopGstListener");
+ if (ctx->busloop)
+ {
+ g_main_loop_quit(ctx->busloop);
+ g_main_loop_unref(ctx->busloop);
+ }
+ if (ctx->bus)
+ {
+ gst_object_unref(ctx->bus);
+ ctx->bus = NULL;
+ }
+ DEBUG_API("<-XAAdaptationGst_StopGstListener");
+ }
+
+/*
+ * ASynchronous operation managing
+ **/
+
+/* NOTE: This should NOT be called from gst callbacks - danger of deadlock!!
+ */
+void XAAdaptationGst_PrepareAsyncWait(XAAdaptationGstCtx* ctx)
+ {
+ DEBUG_API("->XAAdaptationGst_PrepareAsyncWait");
+
+ if (ctx->waitingasyncop)
+ { /*wait previous async op*/
+ DEBUG_INFO("::WARNING:: previous asynch still ongoing!!!");
+ DEBUG_INFO(">>>> WAIT PREVIOUS");
+ sem_wait(&(ctx->semAsyncWait));
+ DEBUG_INFO("<<<< PREVIOUS COMPLETED");
+ }
+ sem_init(&(ctx->semAsyncWait), 0, 0);
+
+ ctx->waitingasyncop = XA_BOOLEAN_TRUE;
+ DEBUG_API("<-XAAdaptationGst_PrepareAsyncWait");
+ }
+
+void XAAdaptationGst_StartAsyncWait(XAAdaptationGstCtx* ctx)
+ {
+ DEBUG_API("->XAAdaptationGst_StartAsyncWait");
+
+ /* timeout to try to avoid gst freeze in rollup */
+ ctx->asynctimer = g_timeout_add(XA_ADAPT_ASYNC_TIMEOUT,
+ XAAdaptationGst_CancelAsyncWait, ctx);
+ /* check flag once again if callback already happened before wait */
+ if (ctx->waitingasyncop)
+ {
+ DEBUG_INFO(">>>> ASYNC STARTS");
+ sem_wait(&(ctx->semAsyncWait));
+ DEBUG_INFO("<<<< ASYNC COMPLETED");
+ }
+ else
+ {
+ DEBUG_INFO("<> async completed already");
+ }
+ /*cancel timer*/
+ if (ctx->asynctimer)
+ {
+ g_source_remove(ctx->asynctimer);
+ }
+ ctx->waitingasyncop = XA_BOOLEAN_FALSE;
+
+ DEBUG_API("<-XAAdaptationGst_StartAsyncWait");
+ }
+
+/* async operation timeout callback*/
+gboolean XAAdaptationGst_CancelAsyncWait(gpointer ctx)
+ {
+ XAAdaptationGstCtx* bCtx = (XAAdaptationGstCtx*) ctx;
+ DEBUG_API("->XAAdaptationGst_CancelAsyncWait");
+ if (bCtx->waitingasyncop)
+ {
+ DEBUG_ERR_A3("ASYNC TIMED OUT : current %d, gsttarget %d, wanted %d",
+ GST_STATE(bCtx->bin), GST_STATE_TARGET(bCtx->bin), bCtx->binWantedState);
+ bCtx->waitingasyncop = XA_BOOLEAN_FALSE;
+ sem_post(&(bCtx->semAsyncWait));
+ }
+ DEBUG_API("<-XAAdaptationGst_CancelAsyncWait");
+ /* return false to remove timer */
+ return FALSE;
+ }
+
+void XAAdaptationGst_CompleteAsyncWait(XAAdaptationGstCtx* ctx)
+ {
+ DEBUG_API("->XAAdaptationGst_CompleteAsyncWait");
+ if (ctx->waitingasyncop)
+ {
+ int i;
+ ctx->waitingasyncop = XA_BOOLEAN_FALSE;
+ sem_getvalue(&(ctx->semAsyncWait), &i);
+ DEBUG_INFO_A1("Asynch operation succeeded, sem value %d",i);
+ if (i <= 0)
+ { /* only post if locked */
+ sem_post(&(ctx->semAsyncWait));
+ }
+ else if (i > 0)
+ { /* should not be, reset semaphore */
+ sem_init(&(ctx->semAsyncWait), 0, 0);
+ }
+ }
+ DEBUG_API("<-XAAdaptationGst_CompleteAsyncWait");
+ }
+
+/**
+ * GstElement* XAAdaptationGst_CreateGstSource( XADataSource* xaSrc, const XAchar *name )
+ * @param XADataSource* xaSnk - XADataSource defining gst source to create
+ * @param const XAchar *name - string for naming the gst element
+ * @param XAboolean *isobj - (out param) is source another XA object?
+ * @return GstElement* - return newly created gst source element
+ * Description: Create gst source element corresponding to XA source structure
+ */
+GstElement* XAAdaptationGst_CreateGstSource(XADataSource* xaSrc,
+ const char *name, XAboolean *isobj, XAboolean *isPCM,
+ XAboolean *isRawImage)
+ {
+ XAuint32 locType = 0;
+ GstElement* gstSrc = NULL;
+ char* fname = NULL;
+ XADataLocator_URI* uri = NULL;
+ XADataLocator_IODevice* ioDevice = NULL;
+#ifdef OMAX_CAMERABIN
+ XACameraDeviceImpl* cameraDevice = NULL;
+ XAObjectItfImpl* pObj = NULL;
+#endif
+ XARadioDeviceImpl* radioDevice = NULL;
+
+ DEBUG_API("->XAAdaptationGst_CreateGstSource");
+ if (!xaSrc || !xaSrc->pLocator || !isobj)
+ {
+ return NULL;
+ }
+ *isobj = XA_BOOLEAN_FALSE;
+ if (xaSrc && xaSrc->pFormat && *((XAuint32*) (xaSrc->pFormat))
+ ==XA_DATAFORMAT_PCM && isPCM)
+ {
+ *isPCM = XA_BOOLEAN_TRUE;
+ }
+ if (xaSrc && xaSrc->pFormat && *((XAuint32*) (xaSrc->pFormat))
+ ==XA_DATAFORMAT_RAWIMAGE && isRawImage)
+ {
+ *isRawImage = XA_BOOLEAN_TRUE;
+ }
+ locType = *((XAuint32*) (xaSrc->pLocator));
+ switch (locType)
+ {
+ case XA_DATALOCATOR_URI:
+ DEBUG_INFO("XA_DATALOCATOR_URI")
+ ;
+ uri = (XADataLocator_URI*) xaSrc->pLocator;
+ gstSrc = gst_element_factory_make("filesrc", name);
+ if (uri->URI != NULL)
+ {
+ DEBUG_INFO_A1("URI: %s", uri->URI);
+ if (strncmp((char *) uri->URI, "file:///", 8) == 0)
+ {
+ fname = (char *) &((uri->URI)[8]);
+ }
+ else
+ {
+ fname = (char *) uri->URI;
+ }DEBUG_INFO_A1("->filesystem path %s", fname);
+ g_object_set(G_OBJECT(gstSrc), "location", fname, NULL);
+ /*check for pcm - decodebin does not know how to handle raw PCM files */
+ if (isPCM && strstr(fname, ".pcm"))
+ {
+ DEBUG_INFO("PCM file detected");
+ *isPCM = XA_BOOLEAN_TRUE;
+ }
+ }
+ else
+ {
+ DEBUG_ERR("No uri specified.");
+ return NULL;
+ }
+ break; /* XA_DATALOCATOR_URI */
+
+ case XA_DATALOCATOR_IODEVICE:
+ DEBUG_INFO("XA_DATALOCATOR_IODEVICE")
+ ;
+ ioDevice = (XADataLocator_IODevice*) (xaSrc->pLocator);
+ switch (ioDevice->deviceType)
+ {
+ case XA_IODEVICE_AUDIOINPUT:
+ {
+ DEBUG_INFO("XA_IODEVICE_AUDIOINPUT");
+ DEBUG_INFO_A1("ioDevice->deviceID: %x", ioDevice->deviceID);
+ switch (ioDevice->deviceID)
+ {
+ //case XA_ADAPTID_ALSASRC: //Krishna
+ case XA_ADAPTID_DEVSOUNDSRC:
+ //DEBUG_INFO("alsasrc"); //Krishna
+ DEBUG_INFO("devsoundsrc")
+ ;
+ gstSrc = gst_element_factory_make("devsoundsrc",
+ name); //Krishna - changed to devsoundsrc
+ // no need to set num-buffers
+ /*g_object_set(G_OBJECT (gstSrc), "num-buffers",
+ 80, NULL);*/
+ break;
+ case XA_ADAPTID_AUDIOTESTSRC:
+ /*fall through*/
+ default:
+ DEBUG_INFO("audiotestsrc")
+ ;
+ gstSrc = gst_element_factory_make("audiotestsrc",
+ name);
+ break;
+ }
+ break;
+ }
+#ifdef OMAX_CAMERABIN
+
+ case XA_IODEVICE_CAMERA:
+ {
+ DEBUG_INFO("XA_IODEVICE_CAMERA");
+ if ( ioDevice->device )
+ { /*source is camera object*/
+ DEBUG_INFO("Use camerabin as source.");
+ /* Get camerabin from source object */
+ pObj = (XAObjectItfImpl*)(*ioDevice->device);
+ cameraDevice = (XACameraDeviceImpl*)(pObj);
+ /*TODO we had to remove this line below since adaptationCtx
+ * was not a member of structure*/
+
+ gstSrc = GST_ELEMENT(((XAAdaptationGstCtx*)(cameraDevice->adaptationCtx))->bin);
+ /* refcount increase is needed to keep this not being deleted after use */
+ gst_object_ref(GST_OBJECT(gstSrc));
+ *isobj = XA_BOOLEAN_TRUE;
+ }
+ else
+ {
+ DEBUG_INFO_A1("ioDevice->deviceID: %x", ioDevice->deviceID);
+ switch (ioDevice->deviceID )
+ {
+ case XA_ADAPTID_V4L2SRC:
+ DEBUG_INFO("Camera deviceID: v4l2src ");
+
+ break;
+ case XA_ADAPTID_VIDEOTESTSRC:
+ DEBUG_INFO("Camera deviceID: videotestsrc");
+
+ break;
+ default:
+ case XA_DEFAULTDEVICEID_CAMERA:
+ DEBUG_INFO("Camera deviceID:Default");
+
+ break;
+ }
+ if ( cameraCtx )
+ {
+ gstSrc = GST_ELEMENT(cameraCtx->baseObj.bin);
+ gst_object_ref(GST_OBJECT(gstSrc));
+ *isobj = XA_BOOLEAN_TRUE;
+ }
+ else
+ {
+ DEBUG_ERR("No camera object created!");
+ return NULL;
+ }
+ }
+ break;
+ }
+#endif
+ case XA_IODEVICE_RADIO:
+ DEBUG_INFO("XA_IODEVICE_RADIO")
+ ;
+ if (ioDevice->device)
+ {
+ DEBUG_INFO("Use radio pipeline as source.");
+ /* Get radio_pipeline and set it to base context */
+ radioDevice = (XARadioDeviceImpl*) (*ioDevice->device);
+ /* radio does not have actual bin, only source element*/
+ gstSrc = GST_ELEMENT(((XAAdaptationGstCtx*)radioDevice->adaptationCtx)->bin);
+ /* refcount increase is needed to keep this not being deleted after use */
+ gst_object_ref(GST_OBJECT(gstSrc));
+ /**isobj = XA_BOOLEAN_TRUE;*/
+ }
+ break;
+ default:
+ {
+ DEBUG_ERR("Unsupported IODevice.");
+ break;
+ }
+ }
+ break; /* XA_DATALOCATOR_IODEVICE */
+
+ case XA_DATALOCATOR_ADDRESS:
+ {
+ XADataLocator_Address* address =
+ (XADataLocator_Address*) (xaSrc->pLocator);
+ gstSrc = gst_element_factory_make("appsrc", name);
+ /* init gst buffer from datalocator */
+ if (gstSrc)
+ {
+ /* init GST buffer from XADataLocator*/
+ GstBuffer* userBuf = gst_buffer_new();
+ if (userBuf)
+ {
+ userBuf->size = address->length;
+ userBuf->data = address->pAddress;
+ /* push the whole buffer to appsrc so it is ready for preroll */
+ DEBUG_INFO("Pushing buffer");
+ gst_app_src_push_buffer(GST_APP_SRC(gstSrc), userBuf);
+ DEBUG_INFO_A1("Sent buffer at 0x%x to appsrc", userBuf );
+ gst_app_src_end_of_stream(GST_APP_SRC(gstSrc));
+ }
+ else
+ {
+ DEBUG_ERR("Failure allocating buffer!");
+ }
+ }
+ else
+ {
+ DEBUG_ERR("Failure creating appsrc!");
+ }
+ }
+ break;
+
+ default:
+ DEBUG_ERR("Incorrect data locator for source.")
+ break;
+ }
+
+ if (gstSrc)
+ {
+ DEBUG_INFO_A1("Created gstreamer source element at %x", gstSrc);
+ }
+
+ DEBUG_API("<-XAAdaptationGst_CreateGstSource");
+ return gstSrc;
+ }
+
+/**
+ * GstElement* XAAdaptationGst_CreateGstSink( XADataSink* xaSnk, const XAchar *name )
+ * @param XADataSink* xaSnk - XADataSink defining gst sink to create
+ * @param const XAchar *name - string for naming the gst element
+ * @return GstElement* - return newly created gst sink element
+ * Description: Create gst sink element corresponding to XA sink structure
+ */
+GstElement* XAAdaptationGst_CreateGstSink(XADataSink* xaSnk,
+ const char *name, XAboolean *isobj)
+ {
+ XAuint32 locType = 0;
+ GstElement* gstSnk = NULL;
+ XADataLocator_URI* uri = NULL;
+ DEBUG_API("->XAAdaptationGst_CreateGstSink");
+ if (!xaSnk || !xaSnk->pLocator)
+ {
+ DEBUG_INFO("Warning! No sink specified, use fakesink");
+ gstSnk = gst_element_factory_make("fakesink", name);
+ if (!gstSnk)
+ {
+ DEBUG_ERR("Cannot create sink!");
+ return NULL;
+ }
+ g_object_set(G_OBJECT(gstSnk), "async", FALSE, NULL);
+ }
+ else
+ {
+ locType = *((XAuint32*) (xaSnk->pLocator));
+ switch (locType)
+ {
+ case XA_DATALOCATOR_URI:
+ DEBUG_INFO("XA_DATALOCATOR_URI")
+ ;
+ uri = (XADataLocator_URI*) xaSnk->pLocator;
+ gstSnk = gst_element_factory_make("filesink", name);
+ if (!gstSnk)
+ {
+ DEBUG_ERR("Cannot create sink!");
+ return NULL;
+ }
+ if (uri->URI != NULL)
+ {
+ XAchar *fname;
+ DEBUG_INFO_A1("URI: %s", uri->URI);
+ if (strncmp((char *) uri->URI, "file:///", 8) == 0)
+ {
+ fname = &((uri->URI)[8]);
+ }
+ else
+ {
+ fname = uri->URI;
+ }DEBUG_INFO_A1("->filesystem path %s", fname);
+ g_object_set(G_OBJECT(gstSnk), "location", fname,
+ "async", FALSE, "qos", FALSE, "max-lateness",
+ (gint64) (-1), NULL);
+ }
+ else
+ {
+ DEBUG_ERR("No recording output uri specified.");
+ return NULL;
+ }
+ break;
+ case XA_DATALOCATOR_NATIVEDISPLAY:
+ DEBUG_INFO("Sink locator type - XA_DATALOCATOR_NATIVEDISPLAY")
+ ;
+#ifdef USE_NGA_SURFACES
+ gstSnk = gst_element_factory_make("devvideosink",
+ "devvideosink");
+#else
+ gstSnk = gst_element_factory_make("ximagesink",name);
+#endif /*USE_NGA_SURFACES*/
+ if (!gstSnk)
+ {
+ DEBUG_ERR("Cannot create sink!");
+ return NULL;
+ }
+ g_object_set(G_OBJECT(gstSnk), "force-aspect-ratio", TRUE,
+ "async", FALSE, "qos", FALSE, "handle-events", TRUE,
+ "handle-expose", TRUE, "max-lateness", (gint64) (-1),
+ NULL);
+ break;
+ case XA_DATALOCATOR_OUTPUTMIX:
+ DEBUG_INFO("Sink locator type - XA_DATALOCATOR_OUTPUTMIX");
+ {
+ }
+ break;
+
+ case XA_DATALOCATOR_ADDRESS:
+ {
+ gstSnk = gst_element_factory_make("appsink", name);
+ /* Not actually object sink, but attribute used to notify recorder
+ * about appsink (no object sinks applicable in this use case)
+ **/
+ *isobj = TRUE;
+ }
+ break;
+ case XA_DATALOCATOR_IODEVICE:
+ /* when only valid IOdevice sinks vibra and LED sinks implemented
+ * at adaptation level, add handling here (in this implementation,
+ * no handling needed as only dummy implementations for those)
+ **/
+ default:
+ DEBUG_ERR("Incorrect data locator for sink.")
+ break;
+ }
+ }
+ if (gstSnk)
+ {
+ DEBUG_INFO_A1("Created gstreamer sink element at %x", gstSnk);
+ }
+ DEBUG_API("<-XAAdaptationGst_CreateGstSink");
+ return gstSnk;
+ }
+
+/**
+ * GstElement* XAAdaptationGst_CreateVideoPP( )
+ * @return GstElement* - return newly created gst pipeline element
+ * Description: Create video processing pipeline
+ */
+GstElement* XAAdaptationGst_CreateVideoPP()
+ {
+ GstElement *vpp;
+ DEBUG_API("->XAAdaptationGst_CreateVideoPP");
+ vpp = gst_pipeline_new("videopp");
+ if (vpp)
+ {
+ GstPad *ghostsink, *ghostsrc;
+ GstElement *col1, *col2, *rotate, *mirror, *box, *crop, *gamma,
+ *balance, *scale, *scale2,
+#ifdef USE_NGA_SURFACES
+ *identity,
+#endif /*USE_NGA_SURFACES*/
+ *queue;
+
+ /* Crete ffmpegcolorspace to convert stream to correct format */
+ col1 = gst_element_factory_make("ffmpegcolorspace", "pp_colsp1");
+ if (col1)
+ {
+ DEBUG_INFO("Created ffmpegcolorspace element");
+ gst_bin_add(GST_BIN(vpp), col1);
+ /* make this bin link point*/
+ ghostsink = gst_element_get_static_pad(col1, "sink");
+ if (ghostsink)
+ {
+ gst_element_add_pad(vpp, gst_ghost_pad_new("videopp_sink",
+ ghostsink));
+ gst_object_unref(GST_OBJECT(ghostsink));
+ }
+ }
+
+ /* create video crop, this will be sink for videoPP pipeline */
+ crop = gst_element_factory_make("videocrop", "pp_crop");
+ if (crop)
+ {
+ DEBUG_INFO("Created crop element");
+ gst_bin_add(GST_BIN(vpp), crop);
+ }
+
+ /* create video rotate */
+ rotate = gst_element_factory_make("videoflip", "pp_rotate");
+ if (rotate)
+ {
+ DEBUG_INFO("Created rotate element");
+ g_object_set(G_OBJECT(rotate), "method", FLIP_NONE, NULL);
+ gst_bin_add(GST_BIN(vpp), rotate);
+ }
+
+ /* create video mirror */
+ mirror = gst_element_factory_make("videoflip", "pp_mirror");
+ if (mirror)
+ {
+ DEBUG_INFO("Created mirror element");
+ g_object_set(G_OBJECT(mirror), "method", FLIP_NONE, NULL);
+ gst_bin_add(GST_BIN(vpp), mirror);
+ }
+
+ /* create video box */
+ box = gst_element_factory_make("videobox", "pp_box");
+ if (box)
+ {
+ DEBUG_INFO("Created videobox element");
+ gst_bin_add(GST_BIN(vpp), box);
+ }
+
+ /* create video balance */
+ balance = gst_element_factory_make("videobalance", "pp_balance");
+ if (balance)
+ {
+ DEBUG_INFO("Created balance element");
+ gst_bin_add(GST_BIN(vpp), balance);
+ }
+
+ /* create video gamma */
+ gamma = gst_element_factory_make("gamma", "pp_gamma");
+ if (gamma)
+ {
+ DEBUG_INFO("Created gamma element");
+ gst_bin_add(GST_BIN(vpp), gamma);
+ }
+
+ /* Create videoscale element to scale postprocessed output to correct size */
+ scale = gst_element_factory_make("videoscale", "pp_scale");
+ if (scale)
+ {
+ DEBUG_INFO("Created videoscale element");
+ gst_bin_add(GST_BIN(vpp), scale);
+ }
+ scale2 = gst_element_factory_make("videoscale", "pp_scale2");
+ if (scale2)
+ {
+ GstPad *pad = NULL;
+ GstCaps *caps = NULL;
+ DEBUG_INFO("Created videoscale element");
+ pad = gst_element_get_static_pad(scale2, "src");
+ caps = gst_caps_new_simple("video/x-raw-yuv", "width",
+ G_TYPE_INT, 0, "height", G_TYPE_INT, 0, NULL);
+ gst_pad_set_caps(pad, caps);
+ gst_bin_add(GST_BIN(vpp), scale2);
+ }
+
+ /* create video queue */
+ queue = gst_element_factory_make("queue", "vpp_queue");
+ if (queue)
+ {
+ DEBUG_INFO("Created queue element");
+ gst_bin_add(GST_BIN(vpp), queue);
+#ifdef USE_NGA_SURFACES
+ /* make this bin link point*/
+ ghostsink = gst_element_get_static_pad(queue, "sink");
+ if (ghostsink)
+ {
+ gst_element_add_pad(vpp, gst_ghost_pad_new("videopp_src",
+ ghostsink));
+ gst_object_unref(GST_OBJECT(ghostsink));
+ }
+#endif /*USE_NGA_SURFACES*/
+ }
+
+ /* Crete ffmpegcolorspace to convert stream to correct format */
+ col2 = gst_element_factory_make("ffmpegcolorspace", "pp_colsp2");
+ if (col2)
+ {
+ DEBUG_INFO("Created ffmpegcolorspace element");
+ gst_bin_add(GST_BIN(vpp), col2);
+ /* make this bin link point*/
+ ghostsrc = gst_element_get_static_pad(col2, "src");
+ if (ghostsrc)
+ {
+ gst_element_add_pad(vpp, gst_ghost_pad_new("videopp_src",
+ ghostsrc));
+ gst_object_unref(GST_OBJECT(ghostsrc));
+ }
+ }
+
+#ifdef USE_NGA_SURFACES
+ //shyward
+ /* create identity element */
+ identity = gst_element_factory_make("identity", "identity");
+ if (identity)
+ {
+ DEBUG_INFO("Created identity element");
+ gst_bin_add(GST_BIN(vpp), identity);
+ /* make this bin link point*/
+ ghostsrc = gst_element_get_static_pad(identity, "src");
+ if (ghostsrc)
+ {
+ gst_element_add_pad(vpp, gst_ghost_pad_new("videopp_sink",
+ ghostsrc));
+ gst_object_unref(GST_OBJECT(ghostsrc));
+ }
+ }
+ if (!(gst_element_link_many(queue, identity, NULL)))
+#else
+ //shyward - thins code assumes all the elements will have been created, which is not true
+ if( !(gst_element_link_many(col1,
+ scale,
+ crop,
+ rotate,
+ mirror,
+ box,
+ balance,
+ gamma,
+ queue,
+ scale2,
+#ifdef USE_NGA_SURFACES
+ identity,
+#endif /*USE_NGA_SURFACES*/
+ col2,
+ NULL)
+ ) )
+#endif /*USE_NGA_SURFACES*/
+ {
+ DEBUG_ERR("Could not link videopp elements!!");
+ gst_object_unref(vpp);
+ vpp = NULL;
+ }
+ }
+ DEBUG_API("<-XAAdaptationGst_CreateVideoPP");
+ return vpp;
+ }
+
+/**
+ * GstElement* XAAdaptationGst_CreateFixedSizeRecordVideoPP( )
+ * @return GstElement* - return newly created gst pipeline element
+ * Description: Create video processing pipeline with fixed output size
+ * to TEST_VIDEO_WIDTH x TEST_VIDEO_HEIGHT
+ * experimental implementation for changing recorder output size
+ */
+GstElement* XAAdaptationGst_CreateFixedSizeVideoPP()
+ {
+ GstElement *vpp;
+ DEBUG_API("->XAAdaptationGst_CreateFixedSizeVideoPP");
+ vpp = gst_pipeline_new("videopp");
+ if (vpp)
+ {
+ GstPad *ghostsink, *ghostsrc;
+ GstElement *col1, *col2, *rotate, *mirror, *box, *crop, *gamma,
+ *balance, *scale, *scale2, *filter, *queue;
+
+ /* Crete ffmpegcolorspace to convert stream to correct format */
+ col1 = gst_element_factory_make("ffmpegcolorspace", "pp_colsp1");
+ if (col1)
+ {
+ DEBUG_INFO("Created ffmpegcolorspace element");
+ gst_bin_add(GST_BIN(vpp), col1);
+ /* make this bin link point*/
+ ghostsink = gst_element_get_static_pad(col1, "sink");
+ if (ghostsink)
+ {
+ gst_element_add_pad(vpp, gst_ghost_pad_new("videopp_sink",
+ ghostsink));
+ gst_object_unref(GST_OBJECT(ghostsink));
+ }
+ }
+
+ /* create video crop, this will be sink for videoPP pipeline */
+ crop = gst_element_factory_make("videocrop", "pp_crop");
+ if (crop)
+ {
+ DEBUG_INFO("Created crop element");
+ gst_bin_add(GST_BIN(vpp), crop);
+ }
+
+ /* create video rotate */
+ rotate = gst_element_factory_make("videoflip", "pp_rotate");
+ if (rotate)
+ {
+ DEBUG_INFO("Created rotate element");
+ g_object_set(G_OBJECT(rotate), "method", FLIP_NONE, NULL);
+ gst_bin_add(GST_BIN(vpp), rotate);
+ }
+
+ /* create video mirror */
+ mirror = gst_element_factory_make("videoflip", "pp_mirror");
+ if (mirror)
+ {
+ DEBUG_INFO("Created mirror element");
+ g_object_set(G_OBJECT(mirror), "method", FLIP_NONE, NULL);
+ gst_bin_add(GST_BIN(vpp), mirror);
+ }
+
+ /* create video box */
+ box = gst_element_factory_make("videobox", "pp_box");
+ if (box)
+ {
+ DEBUG_INFO("Created videobox element");
+ gst_bin_add(GST_BIN(vpp), box);
+ }
+
+ /* create video balance */
+ balance = gst_element_factory_make("videobalance", "pp_balance");
+ if (balance)
+ {
+ DEBUG_INFO("Created balance element");
+ gst_bin_add(GST_BIN(vpp), balance);
+ }
+
+ /* create video gamma */
+ gamma = gst_element_factory_make("gamma", "pp_gamma");
+ if (gamma)
+ {
+ DEBUG_INFO("Created gamma element");
+ gst_bin_add(GST_BIN(vpp), gamma);
+ }
+
+ /* Create videoscale element to scale postprocessed output to correct size */
+ scale = gst_element_factory_make("videoscale", "pp_scale");
+ if (scale)
+ {
+ DEBUG_INFO("Created videoscale element");
+ gst_bin_add(GST_BIN(vpp), scale);
+ }
+ scale2 = gst_element_factory_make("videoscale", "pp_scale2");
+ if (scale2)
+ {
+ GstPad *pad = NULL;
+ GstCaps *caps = NULL;
+ DEBUG_INFO("Created videoscale element");
+ pad = gst_element_get_static_pad(scale2, "src");
+ caps = gst_caps_new_simple("video/x-raw-yuv", "width",
+ G_TYPE_INT, 0, "height", G_TYPE_INT, 0, NULL);
+ gst_pad_set_caps(pad, caps);
+ gst_bin_add(GST_BIN(vpp), scale2);
+ }
+
+ /* create capsfilter for fixed video size */
+ filter = gst_element_factory_make("capsfilter", "pp_filter");
+ if (filter)
+ {
+
+ g_object_set(G_OBJECT(filter), "caps", gst_caps_new_simple(
+ "video/x-raw-yuv", "width", G_TYPE_INT, TEST_VIDEO_WIDTH,
+ "height", G_TYPE_INT, TEST_VIDEO_HEIGHT, NULL), NULL);
+ gst_bin_add(GST_BIN(vpp), filter);
+ }
+
+ /* create video queue */
+ queue = gst_element_factory_make("queue", "vpp_queue");
+ if (queue)
+ {
+ gst_bin_add(GST_BIN(vpp), queue);
+ }
+
+ /* Crete ffmpegcolorspace to convert stream to correct format */
+ col2 = gst_element_factory_make("ffmpegcolorspace", "pp_colsp2");
+ if (col2)
+ {
+ DEBUG_INFO("Created ffmpegcolorspace element");
+ gst_bin_add(GST_BIN(vpp), col2);
+ /* make this bin link point*/
+ ghostsrc = gst_element_get_static_pad(col2, "src");
+ if (ghostsrc)
+ {
+ gst_element_add_pad(vpp, gst_ghost_pad_new("videopp_src",
+ ghostsrc));
+ gst_object_unref(GST_OBJECT(ghostsrc));
+ }
+ }
+ if (!(gst_element_link_many(col1, scale, crop, rotate, mirror, box,
+ balance, gamma, queue, scale2, filter, col2, NULL)))
+ {
+ DEBUG_ERR("Could not link videopp elements!!");
+ gst_object_unref(vpp);
+ vpp = NULL;
+ }
+ }
+ DEBUG_API("<-XAAdaptationGst_CreateFixedSizeVideoPP");
+ return vpp;
+ }
+
+/**
+ * GstElement* XAAdaptationGst_CreateVideoPPBlackScr( )
+ * @return GstElement* - return newly created gst pipeline element
+ * Description: Create video processing pipeline for black screen
+ */
+GstElement* XAAdaptationGst_CreateVideoPPBlackScr()
+ {
+ GstElement *vppBScr;
+ DEBUG_API("->XAAdaptationGst_CreateVideoPPBlackScr");
+ vppBScr = gst_pipeline_new("videoppBScr");
+ if (vppBScr)
+ {
+ GstPad *ghostsrc = NULL;
+ GstElement *testVideo = NULL, *scale = NULL;
+ GstElement *ffmpegcolorspace = NULL;
+
+ testVideo = gst_element_factory_make("videotestsrc", "videotest");
+ if (testVideo)
+ {
+ DEBUG_INFO("Created videotestsrc element");
+
+ g_object_set(G_OBJECT(testVideo), "pattern", (gint) 2,
+ "num-buffers", (gint) 1, NULL);
+ gst_bin_add(GST_BIN(vppBScr), testVideo);
+ }
+
+ scale = gst_element_factory_make("videoscale", "BSrc_scale");
+ if (scale)
+ {
+ DEBUG_INFO("Created videoscale element");
+ gst_bin_add(GST_BIN(vppBScr), scale);
+ /* make this bin link point*/
+ ghostsrc = gst_element_get_static_pad(scale, "src");
+ if (ghostsrc)
+ {
+ gst_element_add_pad(vppBScr, gst_ghost_pad_new(
+ "videoppBSrc_src", ghostsrc));
+ gst_object_unref(GST_OBJECT(ghostsrc));
+ }
+ }
+ ffmpegcolorspace = gst_element_factory_make("ffmpegcolorspace",
+ "BlackScrFfmpeg");
+ gst_bin_add(GST_BIN(vppBScr), ffmpegcolorspace);
+ if (!(gst_element_link_many(testVideo, ffmpegcolorspace, scale, NULL)))
+ {
+ DEBUG_ERR("Could not link videoppBSrc elements!!");
+ gst_object_unref(vppBScr);
+ vppBScr = NULL;
+ }
+ }
+ DEBUG_API("<-XAAdaptationGst_CreateVideoPPBlackScr");
+ return vppBScr;
+ }
+
+/**
+ * GstElement* XAAdaptationGst_CreateInputSelector( )
+ * @return GstElement* - return newly created input selector
+ * Description: Create input selector to processing between black screen and video screen
+ */
+GstElement* XAAdaptationGst_CreateInputSelector()
+ {
+ GstElement *inputSelector;
+ DEBUG_API("->XAAdaptationGst_CreateInputSelector");
+ inputSelector = gst_element_factory_make("input-selector",
+ "input-selector");
+ if (inputSelector)
+ {
+ g_object_set(G_OBJECT(inputSelector), "select-all", TRUE, NULL);
+ }
+ DEBUG_API("<-XAAdaptationGst_CreateInputSelector");
+ return inputSelector;
+ }
+
+/**
+ * GstElement* XAAdaptationGst_CreateAudioPP( )
+ * @return GstElement* - return newly created gst pipeline element
+ * Description: Create video processing pipeline
+ */
+GstElement* XAAdaptationGst_CreateAudioPP()
+ {
+ GstElement *app;
+ gboolean ok = TRUE;
+ DEBUG_API("->XAAdaptationGst_CreateAudioPP");
+ app = gst_pipeline_new("audiopp");
+ if (app)
+ {
+ GstPad *ghostsink, *ghostsrc;
+ GstElement *ac, *vol, *eq, *queue, *pan, *ac2;
+
+ /* first and last elements should be audioconverts to
+ * match sink and encoder formats */
+ ac = gst_element_factory_make("audioconvert", "pp_ac");
+ if (ac)
+ {
+ ok = gst_bin_add(GST_BIN(app), ac);
+ /* make this bin link point*/
+ if (ok)
+ {
+ ghostsink = gst_element_get_static_pad(ac, "sink");
+ ok = gst_element_add_pad(app, gst_ghost_pad_new("sink",
+ ghostsink));
+ gst_object_unref(GST_OBJECT(ghostsink));
+ }
+ }
+ ac2 = gst_element_factory_make("audioconvert", "pp_ac2");
+ if (ac2 && ok)
+ {
+ ok = gst_bin_add(GST_BIN(app), ac2);
+ /* make this bin link point*/
+ if (ok)
+ {
+ ghostsrc = gst_element_get_static_pad(ac2, "src");
+ ok = gst_element_add_pad(app, gst_ghost_pad_new("src",
+ ghostsrc));
+ gst_object_unref(GST_OBJECT(ghostsrc));
+ }
+ }
+
+ vol = gst_element_factory_make("volume", "pp_vol");
+ /* create volume controller */
+ if (vol && ok)
+ {
+ ok = gst_bin_add(GST_BIN(app), vol);
+ g_object_set(G_OBJECT(vol), "volume", (gdouble) 1, NULL);
+ }
+ /* create 10-band equalizer */
+ eq = gst_element_factory_make("equalizer-10bands", "pp_equ");
+ if (eq && ok)
+ {
+ ok = gst_bin_add(GST_BIN(app), eq);
+ }
+ /* create audio queue */
+ queue = gst_element_factory_make("queue", "app_queue");
+ if (queue && ok)
+ {
+ ok = gst_bin_add(GST_BIN(app), queue);
+ g_object_set(G_OBJECT (queue), "max-size-buffers", 2, NULL);
+ }
+ /* create audio pan effect */
+ pan = gst_element_factory_make("audiopanorama", "pp_pan");
+ if (pan && ok)
+ {
+ ok = gst_bin_add(GST_BIN(app), pan);
+ }
+
+ if (ac && ok)
+ {
+ if (queue)
+ {
+ ok = gst_element_link(ac, queue);
+ }
+ else if (vol)
+ {
+ ok = gst_element_link(ac, vol);
+ }
+ else if (pan)
+ {
+ ok = gst_element_link(ac, pan);
+ }
+ else if (eq)
+ {
+ ok = gst_element_link(ac, eq);
+ }
+ else if (ac2)
+ {
+ ok = gst_element_link(ac, ac2);
+ }
+ }
+ if (queue && ok)
+ {
+ if (vol)
+ {
+ ok = gst_element_link(queue, vol);
+ }
+ else if (pan)
+ {
+ ok = gst_element_link(queue, pan);
+ }
+ else if (eq)
+ {
+ ok = gst_element_link(queue, eq);
+ }
+ else if (ac2)
+ {
+ ok = gst_element_link(queue, ac2);
+ }
+ }
+ if (vol && ok)
+ {
+ if (pan)
+ {
+ ok = gst_element_link(vol, pan);
+ }
+ else if (eq)
+ {
+ ok = gst_element_link(vol, eq);
+ }
+ else if (ac2)
+ {
+ ok = gst_element_link(vol, ac2);
+ }
+ }
+ if (pan && ok)
+ {
+ if (eq)
+ {
+ ok = gst_element_link(pan, eq);
+ }
+ else if (ac2)
+ {
+ ok = gst_element_link(pan, ac2);
+ }
+ }
+ if (eq && ok)
+ {
+ if (ac2)
+ {
+ ok = gst_element_link(eq, ac2);
+ }
+ }
+
+ if (ac)
+ {
+ // ghost sink above
+ }
+ else if (queue && ok)
+ {
+ /* make this bin link point*/
+ ghostsink = gst_element_get_static_pad(queue, "sink");
+ ok = gst_element_add_pad(app,
+ gst_ghost_pad_new("sink", ghostsink));
+ gst_object_unref(GST_OBJECT(ghostsink));
+ }
+ else if (vol && ok)
+ {
+ /* make this bin link point*/
+ ghostsink = gst_element_get_static_pad(vol, "sink");
+ ok = gst_element_add_pad(app,
+ gst_ghost_pad_new("sink", ghostsink));
+ gst_object_unref(GST_OBJECT(ghostsink));
+ }
+ else if (pan && ok)
+ {
+ /* make this bin link point*/
+ ghostsink = gst_element_get_static_pad(pan, "sink");
+ ok = gst_element_add_pad(app,
+ gst_ghost_pad_new("sink", ghostsink));
+ gst_object_unref(GST_OBJECT(ghostsink));
+ }
+ else if (eq && ok)
+ {
+ /* make this bin link point*/
+ ghostsink = gst_element_get_static_pad(eq, "sink");
+ ok = gst_element_add_pad(app,
+ gst_ghost_pad_new("sink", ghostsink));
+ gst_object_unref(GST_OBJECT(ghostsink));
+ }
+ else if (ac2 && ok)
+ {
+ /* make this bin link point*/
+ ghostsink = gst_element_get_static_pad(ac2, "sink");
+ ok = gst_element_add_pad(app,
+ gst_ghost_pad_new("sink", ghostsink));
+ gst_object_unref(GST_OBJECT(ghostsink));
+ }
+
+ if (ac2)
+ {
+ // ghost src above
+ }
+ else if (eq && ok)
+ {
+ /* make this bin link point*/
+ ghostsrc = gst_element_get_static_pad(eq, "src");
+ ok = gst_element_add_pad(app, gst_ghost_pad_new("src", ghostsrc));
+ gst_object_unref(GST_OBJECT(ghostsrc));
+ }
+ else if (pan && ok)
+ {
+ /* make this bin link point*/
+ ghostsrc = gst_element_get_static_pad(pan, "src");
+ ok = gst_element_add_pad(app, gst_ghost_pad_new("src", ghostsrc));
+ gst_object_unref(GST_OBJECT(ghostsrc));
+ }
+ else if (vol && ok)
+ {
+ /* make this bin link point*/
+ ghostsrc = gst_element_get_static_pad(vol, "src");
+ ok = gst_element_add_pad(app, gst_ghost_pad_new("src", ghostsrc));
+ gst_object_unref(GST_OBJECT(ghostsrc));
+ }
+ else if (queue && ok)
+ {
+ /* make this bin link point*/
+ ghostsrc = gst_element_get_static_pad(queue, "src");
+ ok = gst_element_add_pad(app, gst_ghost_pad_new("src", ghostsrc));
+ gst_object_unref(GST_OBJECT(ghostsrc));
+ }
+ else if (ac && ok)
+ {
+ /* make this bin link point*/
+ ghostsrc = gst_element_get_static_pad(ac, "src");
+ ok = gst_element_add_pad(app, gst_ghost_pad_new("src", ghostsrc));
+ gst_object_unref(GST_OBJECT(ghostsrc));
+ }
+
+ // if( !(gst_element_link_many(ac, queue, vol, ac2, NULL)) )
+ // if( !(gst_element_link_many(ac, queue, vol, pan, eq, ac2, NULL)) )
+ if (!ok)
+ {
+ DEBUG_ERR("Could not link audiopp elements!!");
+ gst_object_unref(app);
+ app = NULL;
+ }
+ }
+
+ DEBUG_API("<-XAAdaptationGst_CreateAudioPP");
+ return app;
+ }
+
+/* called when pad is actually blocking/ gets unblocked*/
+void XAAdaptationGst_PadBlockCb(GstPad *pad, gboolean blocked,
+ gpointer user_data)
+ {
+ DEBUG_API_A2("->XAAdaptationGst_PadBlockCb pad \"%s\" of \"%s\" ",
+ GST_OBJECT_NAME(pad),
+ GST_OBJECT_NAME(gst_pad_get_parent_element(pad)) );
+ DEBUG_API_A1("<-XAAdaptationGst_PadBlockCb blocked:%d",blocked);
+ }
+
+/* utility to set same fields for all media types in caps */
+void XAAdaptationGst_SetAllCaps(GstCaps * caps, char *field, ...)
+ {
+ GstStructure *structure;
+ va_list var_args;
+ int i;
+
+ for (i = 0; i < gst_caps_get_size(caps); i++)
+ {
+ structure = gst_caps_get_structure(caps, i);
+ va_start (var_args, field);
+ gst_structure_set_valist(structure, field, var_args);
+ va_end (var_args);
+ }
+ }
+