#include <glib.h>
#include <gst/gst.h>
+#include <gst/gstparse.h>
#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;
- GstPad *peer;
-};
-
-void launch_newpad(GstElement *element,GstPad *pad,launch_delayed_pad *peer) {
- gst_info("have NEW_PAD signal\n");
- // if it matches, connect it
- if (!strcmp(gst_pad_get_name(pad),peer->name)) {
- gst_pad_connect(pad,peer->peer);
- gst_info("delayed connect of '%s' to '%s'\n",
- gst_pad_get_name(pad),gst_pad_get_name(peer->peer));
- }
-}
-
-gchar *unique_name(gchar *type) {
- gint count;
-
- count = GPOINTER_TO_INT(g_hash_table_lookup(elementcounts,type));
- count++;
- g_hash_table_insert(elementcounts,type,GINT_TO_POINTER(count));
-
- 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, *previous = NULL, *prevelement = NULL;
- gchar closingchar;
- gint len;
- gchar *ptr;
- gchar *sinkpadname = NULL, *srcpadname = NULL;
- GstPad *sinkpad = NULL, *srcpad = NULL;
- GList *pads;
- gint elementcount = 0;
- gint retval = 0;
-
- 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];
- // FIXME this is a lame solution for problems with the first parser
- if (arg == NULL) { i++;continue; }
- len = strlen(arg);
- element = NULL;
- DEBUG("** ARGUMENT is '%s'\n",arg);
-
- // a null that slipped through the reconstruction
- if (len == 0) {
- DEBUG("random arg, FIXME\n");
- i++;
- continue;
-
- // end of the container
- } else if (arg[0] == closingchar) {
- // time to finish off this bin
- DEBUG("exiting container %s\n",gst_element_get_name (GST_ELEMENT (parent)));
- retval = i+1;
- break;
-
- // a pad connection
- } else if ((ptr = strchr(arg,'!'))) {
- DEBUG("attempting to connect pads together....\n");
-
- // if it starts with the !
- if (arg[0] == '!') {
- srcpadname = NULL;
- // if there's a sinkpad...
- if (len > 1)
- sinkpadname = &arg[1];
- else
- sinkpadname = NULL;
- } else {
- srcpadname = g_strndup(arg,(ptr-arg));
- // if there's a sinkpad
- if (len > (ptr-arg)+1)
- sinkpadname = &ptr[1];
- else
- sinkpadname = NULL;
- }
-
- 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(previous,srcpadname);
- if (!srcpad)
- VERBOSE("NO SUCH pad %s in element %s\n",srcpadname,gst_element_get_name(previous));
- }
-
- if (srcpad == NULL) {
- // check through the list to find the first sink pad
- pads = gst_element_get_pad_list(previous);
- while (pads) {
- srcpad = GST_PAD(pads->data);
- pads = g_list_next (pads);
- if (gst_pad_get_direction (srcpad) == GST_PAD_SRC) break;
- srcpad = NULL;
- }
- }
-
- if (!srcpad) DEBUG("error, can't find a src pad!!!\n");
- else DEBUG("have src pad %s:%s\n",GST_DEBUG_PAD_NAME(srcpad));
- }
-
- // argument with = in it
- } else if (strstr(arg, "=")) {
- gchar * argname;
- gchar * argval;
- gchar * pos = strstr(arg, "=");
- // we have an argument
- argname = arg;
- pos[0] = '\0';
- argval = pos+1;
- DEBUG("attempting to set argument '%s' to '%s' on element '%s'\n",
- argname,argval,gst_element_get_name(previous));
- gtk_object_set(GTK_OBJECT(previous),argname,argval,NULL);
- g_free(argname);
-
- // element or argument, or beginning of bin or thread
- } else {
- DEBUG("have element or bin/thread\n");
- // if we have a bin or thread starting
- if (strchr("({",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++));
- if (!element) {
- fprintf(stderr,"Couldn't create a bin!\n");
- exit(-1);
- }
- 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++));
- if (!element) {
- fprintf(stderr,"Couldn't create a thread!\n");
- exit(-1);
- }
- 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
- DEBUG("attempting to create element '%s'\n",arg);
- element = gst_elementfactory_make(arg,unique_name(arg));
- if (!element) {
- fprintf(stderr,"Couldn't create a '%s', no such element or need to run gstreamer-register?\n",arg);
- exit(-1);
- }
- 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) {
- DEBUG("need to connect to sinkpad %s:%s\n",GST_DEBUG_PAD_NAME(srcpad));
-
- sinkpad = NULL;
-
- if (sinkpadname != NULL)
- sinkpad = gst_element_get_pad(previous,sinkpadname);
-
- if (!sinkpad) {
- // check through the list to find the first sink pad
- pads = gst_element_get_pad_list(element);
- while (pads) {
- sinkpad = GST_PAD(pads->data);
- pads = g_list_next (pads);
- if (gst_pad_get_direction (sinkpad) == GST_PAD_SINK) break;
- sinkpad = NULL;
- }
- }
-
- if (!sinkpad) DEBUG("error, can't find a sink pad!!!\n");
- else DEBUG("have sink pad %s:%s\n",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;
- srcpad = NULL;
- }
-
- // if we're the first element, ghost all the sinkpads
- if (elementcount == 1) {
- 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) 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);
- DEBUG("ghosted %s:%s\n",GST_DEBUG_PAD_NAME(sinkpad));
- }
- }
- }
-
- previous = element;
- if (!GST_IS_BIN(element)) prevelement = element;
- }
-
- i++;
- }
-
- // ghost all the src pads of the bin
- if (prevelement != NULL) {
- 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) 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);
- DEBUG("ghosted %s:%s\n",GST_DEBUG_PAD_NAME(srcpad));
- }
- }
- }
-
- binlevel--;
-
- if (retval) return retval;
-
- if (closingchar != '\0')
- DEBUG("returning IN THE WRONG PLACE\n");
- else DEBUG("ending pipeline\n");
- return i+1;
-}
-
-gint parse(int argc,char *argv[],GstBin *parent) {
+int main(int argc,char *argv[]) {
+ GstElement *pipeline;
char **argvn;
gchar *cmdline;
- gint newargc;
- gint len;
- int i,j,k;
+ int i;
+
+ gst_init(&argc,&argv);
+
+ pipeline = gst_pipeline_new("launch");
// make a null-terminated version of argv
- argvn = g_new0(char *,argc+1);
- memcpy(argvn,argv,sizeof(char*)*argc);
+ argvn = g_new0(char *,argc);
+ memcpy(argvn,argv+1,sizeof(char*)*argc);
// join the argvs together
cmdline = g_strjoinv(" ",argvn);
// free the null-terminated argv
g_free(argvn);
- // first walk through quickly and see how many more slots we need
- len = strlen(cmdline);
- newargc = 1;
- for (i=0;i<len;i++) {
- // if it's a space, it denotes a new arg
- if (cmdline[i] == ' ') newargc++;
- // if it's a brace and isn't followed by a space, give it an arg
- if (strchr("([{}])",cmdline[i])) {
- // not followed by space, gets one
- if (cmdline[i+1] != ' ') newargc++;
- }
- }
-
- // now allocate the new argv array
- argvn = g_new0(char *,newargc+1);
- DEBUG("supposed to have %d args\n",newargc);
+ gst_parse_launch(cmdline,pipeline);
- // now attempt to construct the new arg list
- j = 0;k = 0;
- for (i=0;i<len+1;i++) {
- // if it's a delimiter
- if (strchr("([{}]) ",cmdline[i]) || (cmdline[i] == '\0')) {
- // extract the previous arg
- if (i-k > 0) {
- if (cmdline[k] == ' ') k++;
- argvn[j] = g_new0(char,(i-k)+1);
- memcpy(argvn[j],&cmdline[k],i-k);
-
- // catch misparses
- if (strlen(argvn[j]) > 0) j++;
- }
- k = i;
-
- // if this is a bracket, construct a word
- if ((cmdline[i] != ' ') && (cmdline[i] != '\0')) {
- argvn[j++] = g_strdup_printf("%c",cmdline[i]);
- k++;
- }
- }
- }
-
- // print them out
- for (i=0;i<newargc;i++) {
- DEBUG("arg %d is: %s\n",i,argvn[i]);
- }
-
- // set up the elementcounts hash
- elementcounts = g_hash_table_new(g_str_hash,g_str_equal);
-
- return parse_cmdline(newargc,argvn,parent);
-}
-
-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");
-
- VERBOSE("CREATED pipeline %s\n",gst_element_get_name(pipeline));
- parse(argc - firstarg,argv + firstarg,GST_BIN (pipeline));
-
- VERBOSE("RUNNING pipeline\n");
+ fprintf(stderr,"RUNNING pipeline\n");
gst_element_set_state(pipeline,GST_STATE_PLAYING);
- while(1)
+ while (1) {
gst_bin_iterate (GST_BIN (pipeline));
- fprintf(stderr,"\n");
-
return 0;
}
projects / platform / upstream / gstreamer.git / commitdiff