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Updates to -launch, added -inspect.

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Original commit message from CVS:
Updates to -launch, added -inspect.
This commit is contained in:
Erik Walthinsen 2001-01-03 07:38:45 +00:00
parent 13ece6af49
commit 38b35fd2d0
4 changed files with 187 additions and 51 deletions
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1
tools/.gitignore vendored
View file

@ -8,4 +8,5 @@ Makefile.in
gstreamer-launch
gstreamer-register
gstreamer-inspect
*.xml

2
tools/Makefile.am
View file

@ -1,4 +1,4 @@
bin_PROGRAMS = gstreamer-launch gstreamer-register
bin_PROGRAMS = gstreamer-launch gstreamer-register gstreamer-inspect
CFLAGS = -Wall -O2

88
tools/gstreamer-inspect.c Normal file
View file

@ -0,0 +1,88 @@
#include <gst/gst.h>
int main(int argc,char *argv[]) {
GstElementFactory *factory;
GstElement *element;
GstElementClass *gstelement_class;
GList *pads;
GstPad *pad;
gst_init(&argc,&argv);
factory = gst_elementfactory_find(argv[1]);
element = gst_elementfactory_create(factory,argv[1]);
gstelement_class = GST_ELEMENT_CLASS (GTK_OBJECT (element)->klass);
printf("Element Details:\n");
printf(" Long name:\t%s\n",factory->details->longname);
printf(" Class:\t%s\n",factory->details->klass);
printf(" Description:\t%s\n",factory->details->description);
printf(" Version:\t%s\n",factory->details->version);
printf(" Author(s):\t%s\n",factory->details->author);
printf(" Copyright:\t%s\n",factory->details->copyright);
printf("\n");
printf("Element Flags:\n");
if (GST_FLAG_IS_SET(element,GST_ELEMENT_COMPLEX))
printf(" GST_ELEMENT_COMPLEX\n");
if (GST_FLAG_IS_SET(element,GST_ELEMENT_DECOUPLED))
printf(" GST_ELEMENT_DECOUPLED\n");
if (GST_FLAG_IS_SET(element,GST_ELEMENT_THREAD_SUGGESTED))
printf(" GST_ELEMENT_THREADSUGGESTED\n");
if (GST_FLAG_IS_SET(element,GST_ELEMENT_NO_SEEK))
printf(" GST_ELEMENT_NO_SEEK\n");
if (! GST_FLAG_IS_SET(element, GST_ELEMENT_COMPLEX | GST_ELEMENT_DECOUPLED |
GST_ELEMENT_THREAD_SUGGESTED | GST_ELEMENT_NO_SEEK))
printf(" no flags set\n");
printf("\n");
printf("Element Implementation:\n");
if (element->loopfunc)
printf(" loopfunc()-based element\n");
else
printf(" No loopfunc(), must be chain-based or not configured yet\n");
if (gstelement_class->change_state)
printf(" Has change_state() function\n");
else
printf(" No change_state() class function\n");
if (gstelement_class->save_thyself)
printf(" Has custom save_thyself() class function\n");
if (gstelement_class->restore_thyself)
printf(" Has custom restore_thyself() class function\n");
printf("\n");
printf("Pads:\n");
pads = gst_element_get_pad_list(element);
while (pads) {
pad = GST_PAD(pads->data);
pads = g_list_next(pads);
if (gst_pad_get_direction(pad) == GST_PAD_SRC)
printf(" SRC: %s\n",gst_pad_get_name(pad));
else if (gst_pad_get_direction(pad) == GST_PAD_SINK)
printf(" SINK: %s\n",gst_pad_get_name(pad));
else
printf(" UNKNOWN!!!: %s\n",gst_pad_get_name(pad));
printf(" Implementation:\n");
if (pad->chainfunc)
printf(" Has chainfunc(): %s\n",GST_DEBUG_FUNCPTR_NAME(pad->chainfunc));
if (pad->getfunc)
printf(" Has getfunc(): %s\n",GST_DEBUG_FUNCPTR_NAME(pad->getfunc));
if (pad->getregionfunc)
printf(" Has getregionfunc(): %s\n",GST_DEBUG_FUNCPTR_NAME(pad->getregionfunc));
if (pad->qosfunc)
printf(" Has qosfunc(): %s\n",GST_DEBUG_FUNCPTR_NAME(pad->qosfunc));
if (pad->eosfunc) {
if (pad->eosfunc == gst_pad_eos_func)
printf(" Has default eosfunc() gst_pad_eos_func()\n");
else
printf(" Has eosfunc(): %s\n",GST_DEBUG_FUNCPTR_NAME(pad->eosfunc));
}
printf("\n");
}
printf("\n");
return 0;
}

147
tools/gstreamer-launch.c
View file

@ -3,6 +3,29 @@
#include <string.h>
#include <stdlib.h>
guint bincount = 0;
guint threadcount = 0;
gint binlevel = 0;
GHashTable *elementcounts;
gboolean verbose = FALSE;
gboolean debug = FALSE;
#define DEBUG(format,args...) G_STMT_START{ \
if (debug) { \
int ___i; \
for (___i=0;___i<binlevel*2;___i++) fprintf(stderr," "); \
fprintf(stderr, format , ## args ); \
} \
}G_STMT_END
#define DEBUG_NOPREFIX(format,args...) G_STMT_START{ if (debug) fprintf(stderr, format , ## args ); }G_STMT_END
#define VERBOSE(format,args...) G_STMT_START{ \
if (verbose) { \
int ___i; \
for (___i=0;___i<binlevel*2;___i++) fprintf(stderr," "); \
fprintf(stderr, format , ## args ); \
} \
}G_STMT_END
typedef struct _launch_delayed_pad launch_delayed_pad;
struct _launch_delayed_pad {
gchar *name;
@ -19,15 +42,6 @@ void launch_newpad(GstElement *element,GstPad *pad,launch_delayed_pad *peer) {
}
}
// element ! [ element ! (element ! element )] ! element
// 0 1 2 3 4 5 6 7 8 9 10 11
// 0 1 2 3 4 5 8
// 0 1 2 3 6
guint bincount = 0;
guint threadcount = 0;
GHashTable *elementcounts;
gchar *unique_name(gchar *type) {
gint count;
@ -38,10 +52,15 @@ gchar *unique_name(gchar *type) {
return g_strdup_printf("%s%d",type,count-1);
}
// element ! [ element ! (element ! element )] ! element
// 0 1 2 3 4 5 6 7 8 9 10 11
// 0 1 2 3 4 5 8
// 0 1 2 3 6
gint parse_cmdline(int argc,char *argv[],GstBin *parent) {
gint i = 0;
gchar *arg;
GstElement *element = NULL, *prevelement = NULL, *prevprevelement = NULL;
GstElement *element = NULL, *previous = NULL, *prevelement = NULL;
gchar closingchar;
gint len;
gchar *ptr;
@ -51,33 +70,35 @@ gint parse_cmdline(int argc,char *argv[],GstBin *parent) {
gint elementcount = 0;
gint retval = 0;
if (GST_IS_PIPELINE(parent)) closingchar = '\0',fprintf(stderr,"in pipeline ");
else if (GST_IS_THREAD(parent)) closingchar = '}',fprintf(stderr,"in thread ");
else closingchar = ')',fprintf(stderr,"in bin ");
fprintf(stderr,"%s\n",gst_element_get_name (GST_ELEMENT (parent)));
binlevel++;
if (GST_IS_PIPELINE(parent)) closingchar = '\0',DEBUG("in pipeline ");
else if (GST_IS_THREAD(parent)) closingchar = '}',DEBUG("in thread ");
else closingchar = ')',DEBUG("in bin ");
DEBUG_NOPREFIX("%s\n",gst_element_get_name (GST_ELEMENT (parent)));
while (i < argc) {
arg = argv[i];
len = strlen(arg);
element = NULL;
fprintf(stderr,"** ARGUMENT is '%s'\n",arg);
DEBUG("** ARGUMENT is '%s'\n",arg);
// a null that slipped through the reconstruction
if (len == 0) {
fprintf(stderr,"random arg, FIXME\n");
DEBUG("random arg, FIXME\n");
i++;
continue;
// end of the container
} else if (arg[0] == closingchar) {
// time to finish off this bin
fprintf(stderr,"exiting container %s\n",gst_element_get_name (GST_ELEMENT (parent)));
DEBUG("exiting container %s\n",gst_element_get_name (GST_ELEMENT (parent)));
retval = i+1;
break;
// a pad connection
} else if ((ptr = strchr(arg,'!'))) {
fprintf(stderr,"attempting to connect pads together....\n");
DEBUG("attempting to connect pads together....\n");
// if it starts with the !
if (arg[0] == '!') {
@ -96,18 +117,21 @@ gint parse_cmdline(int argc,char *argv[],GstBin *parent) {
sinkpadname = NULL;
}
fprintf(stderr,"have sinkpad %s, srcpad %s\n",sinkpadname,srcpadname);
DEBUG("have sinkpad %s, srcpad %s\n",sinkpadname,srcpadname);
srcpad = NULL;
// if the srcpadname doesn't have any commas in it, find an actual pad
if (!srcpadname || !strchr(srcpadname,',')) {
if (srcpadname != NULL)
srcpad = gst_element_get_pad(prevelement,srcpadname);
if (srcpadname != NULL) {
srcpad = gst_element_get_pad(previous,srcpadname);
if (!srcpad)
VERBOSE("NO SUCH pad %s in element %s\n",srcpadname,gst_element_get_name(previous));
}
if (!srcpad) {
if (srcpad == NULL) {
// check through the list to find the first sink pad
pads = gst_element_get_pad_list(prevelement);
pads = gst_element_get_pad_list(previous);
while (pads) {
srcpad = GST_PAD(pads->data);
pads = g_list_next (pads);
@ -116,41 +140,45 @@ gint parse_cmdline(int argc,char *argv[],GstBin *parent) {
}
}
if (!srcpad) fprintf(stderr,"error, can't find a src pad!!!\n");
else fprintf(stderr,"have src pad %s:%s\n",GST_DEBUG_PAD_NAME(srcpad));
if (!srcpad) DEBUG("error, can't find a src pad!!!\n");
else DEBUG("have src pad %s:%s\n",GST_DEBUG_PAD_NAME(srcpad));
}
// element, or beginning of bin or thread
} else {
fprintf(stderr,"have element or bin/thread\n");
DEBUG("have element or bin/thread\n");
// if we have a bin or thread starting
if (strchr("({",arg[0])) {
if (arg[0] == '(')
if (arg[0] == '(') {
// create a bin and add it to the current parent
element = gst_bin_new(g_strdup_printf("bin%d",bincount++));
else if (arg[0] == '{')
VERBOSE("CREATED bin %s\n",gst_element_get_name(element));
} else if (arg[0] == '{') {
// create a thread and add it to the current parent
element = gst_thread_new(g_strdup_printf("thread%d",threadcount++));
VERBOSE("CREATED thread %s\n",gst_element_get_name(element));
}
i += parse_cmdline(argc - i, argv + i + 1, GST_BIN (element));
// else we have an element
} else {
fprintf(stderr,"attempting to create element '%s'\n",arg);
DEBUG("attempting to create element '%s'\n",arg);
element = gst_elementfactory_make(arg,unique_name(arg));
fprintf(stderr,"created element %s\n",gst_element_get_name(element));
VERBOSE("CREATED element %s\n",gst_element_get_name(element));
DEBUG("created element %s\n",gst_element_get_name(element));
}
gst_bin_add (GST_BIN (parent), element);
elementcount++;
if (srcpad != NULL) {
fprintf(stderr,"need to connect to sinkpad %s:%s\n",GST_DEBUG_PAD_NAME(srcpad));
DEBUG("need to connect to sinkpad %s:%s\n",GST_DEBUG_PAD_NAME(srcpad));
sinkpad = NULL;
if (sinkpadname != NULL)
sinkpad = gst_element_get_pad(prevelement,sinkpadname);
sinkpad = gst_element_get_pad(previous,sinkpadname);
if (!sinkpad) {
// check through the list to find the first sink pad
@ -163,10 +191,10 @@ gint parse_cmdline(int argc,char *argv[],GstBin *parent) {
}
}
if (!sinkpad) fprintf(stderr,"error, can't find a sink pad!!!\n");
else fprintf(stderr,"have sink pad %s:%s\n",GST_DEBUG_PAD_NAME(sinkpad));
if (!sinkpad) DEBUG("error, can't find a sink pad!!!\n");
else DEBUG("have sink pad %s:%s\n",GST_DEBUG_PAD_NAME(sinkpad));
fprintf(stderr,"CONNECTING %s:%s and %s:%s\n",GST_DEBUG_PAD_NAME(srcpad),GST_DEBUG_PAD_NAME(sinkpad));
VERBOSE("CONNECTING %s:%s and %s:%s\n",GST_DEBUG_PAD_NAME(srcpad),GST_DEBUG_PAD_NAME(sinkpad));
gst_pad_connect(srcpad,sinkpad);
sinkpad = NULL;
@ -175,46 +203,49 @@ gint parse_cmdline(int argc,char *argv[],GstBin *parent) {
// if we're the first element, ghost all the sinkpads
if (elementcount == 1) {
fprintf(stderr,"first element, ghosting all of %s's sink pads to parent %s\n",
gst_element_get_name(element),gst_element_get_name(GST_ELEMENT(parent)));
DEBUG("first element, ghosting all of %s's sink pads to parent %s\n",
gst_element_get_name(element),gst_element_get_name(GST_ELEMENT(parent)));
pads = gst_element_get_pad_list (element);
while (pads) {
sinkpad = GST_PAD (pads->data);
pads = g_list_next (pads);
if (!sinkpad) fprintf(stderr,"much oddness, pad doesn't seem to exist\n");
if (!sinkpad) DEBUG("much oddness, pad doesn't seem to exist\n");
else if (gst_pad_get_direction (sinkpad) == GST_PAD_SINK) {
gst_element_add_ghost_pad (GST_ELEMENT (parent), sinkpad);
fprintf(stderr,"ghosted %s:%s\n",GST_DEBUG_PAD_NAME(sinkpad));
DEBUG("ghosted %s:%s\n",GST_DEBUG_PAD_NAME(sinkpad));
}
}
}
}
i++;
prevelement = element;
previous = element;
if (!GST_IS_BIN(element)) prevelement = element;
}
// ghost all the src pads of the bin
if (prevelement != NULL) {
fprintf(stderr,"last element, ghosting all of %s's src pads to parent %s\n",
gst_element_get_name(prevelement),gst_element_get_name(GST_ELEMENT(parent)));
DEBUG("last element, ghosting all of %s's src pads to parent %s\n",
gst_element_get_name(prevelement),gst_element_get_name(GST_ELEMENT(parent)));
pads = gst_element_get_pad_list (prevelement);
while (pads) {
srcpad = GST_PAD (pads->data);
pads = g_list_next (pads);
if (!srcpad) fprintf(stderr,"much oddness, pad doesn't seem to exist\n");
if (!srcpad) DEBUG("much oddness, pad doesn't seem to exist\n");
else if (gst_pad_get_direction (srcpad) == GST_PAD_SRC) {
gst_element_add_ghost_pad (GST_ELEMENT (parent), srcpad);
fprintf(stderr,"ghosted %s:%s\n",GST_DEBUG_PAD_NAME(srcpad));
DEBUG("ghosted %s:%s\n",GST_DEBUG_PAD_NAME(srcpad));
}
}
}
binlevel--;
if (retval) return retval;
if (closingchar != '\0')
fprintf(stderr,"returning IN THE WRONG PLACE\n");
else fprintf(stderr,"ending pipeline\n");
DEBUG("returning IN THE WRONG PLACE\n");
else DEBUG("ending pipeline\n");
return i+1;
}
@ -248,7 +279,7 @@ gint parse(int argc,char *argv[],GstBin *parent) {
// now allocate the new argv array
argvn = g_new0(char *,newargc+1);
fprintf(stderr,"supposed to have %d args\n",newargc);
DEBUG("supposed to have %d args\n",newargc);
// now attempt to construct the new arg list
j = 0;k = 0;
@ -260,7 +291,9 @@ fprintf(stderr,"supposed to have %d args\n",newargc);
if (cmdline[k] == ' ') k++;
argvn[j] = g_new0(char,(i-k)+1);
memcpy(argvn[j],&cmdline[k],i-k);
j++;
// catch misparses
if (strlen(argvn[j]) > 0) j++;
}
k = i;
@ -274,7 +307,7 @@ fprintf(stderr,"supposed to have %d args\n",newargc);
// print them out
for (i=0;i<newargc;i++) {
fprintf(stderr,"arg %d is: %s\n",i,argvn[i]);
DEBUG("arg %d is: %s\n",i,argvn[i]);
}
// set up the elementcounts hash
@ -285,15 +318,29 @@ fprintf(stderr,"supposed to have %d args\n",newargc);
int main(int argc,char *argv[]) {
GstElement *pipeline;
int firstarg;
gst_init(&argc,&argv);
firstarg = 1;
while ((argv[firstarg][0] == '-') && (argv[firstarg][1] == '-')) {
if (strcmp(&argv[firstarg][2],"verbose") == 0)
verbose = TRUE;
else if (strcmp(&argv[firstarg][2],"debug") == 0)
debug = TRUE;
firstarg++;
}
pipeline = gst_pipeline_new("launch");
parse(argc-1,argv+1,GST_BIN (pipeline));
VERBOSE("CREATED pipeline %s\n",gst_element_get_name(pipeline));
parse(argc - firstarg,argv + firstarg,GST_BIN (pipeline));
VERBOSE("RUNNING pipeline\n");
gst_element_set_state(pipeline,GST_STATE_PLAYING);
gst_bin_iterate (GST_BIN (pipeline));
fprintf(stderr,"\n");
return 0;
}