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0fa1747e56
Original commit message from CVS: Added a basic element: pipefilter. This element connects the stdin/stdout of an external program into the pipeline. We now have virtually all of the capabilities of sox, lame, ...
66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <gst/gst.h>
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void eof(GstSrc *src) {
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g_print("have eof, quitting\n");
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exit(0);
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}
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int main(int argc,char *argv[]) {
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GstPipeline *pipeline;
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GstElementFactory *srcfactory, *pipefactory, *sinkfactory;
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GstElement *src, *pipe, *sink;
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GstPad *infopad;
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int fd;
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g_print("have %d args\n",argc);
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gst_init(&argc,&argv);
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pipeline = gst_pipeline_new("pipeline");
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g_return_if_fail(pipeline != NULL);
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srcfactory = gst_elementfactory_find("disksrc");
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g_return_if_fail(srcfactory != NULL);
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pipefactory = gst_elementfactory_find("pipefilter");
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g_return_if_fail(pipefactory != NULL);
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sinkfactory = gst_elementfactory_find("fdsink");
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g_return_if_fail(sinkfactory != NULL);
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src = gst_elementfactory_create(srcfactory,"src");
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g_return_if_fail(src != NULL);
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gtk_object_set(GTK_OBJECT(src),"location",argv[1],NULL);
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g_print("should be using file '%s'\n",argv[1]);
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pipe = gst_elementfactory_create(pipefactory,"pipe");
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g_return_if_fail(pipe != NULL);
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sink = gst_elementfactory_create(sinkfactory,"fdsink");
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g_return_if_fail(sink != NULL);
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fd = open(argv[2],O_CREAT|O_RDWR|O_TRUNC);
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gtk_object_set(GTK_OBJECT(sink),"fd",fd,NULL);
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gtk_signal_connect(GTK_OBJECT(src),"eos",
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GTK_SIGNAL_FUNC(eof),NULL);
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gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(src));
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gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(pipe));
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gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(sink));
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gst_pad_connect(gst_element_get_pad(src,"src"),
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gst_element_get_pad(pipe,"sink"));
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gst_pad_connect(gst_element_get_pad(pipe,"src"),
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gst_element_get_pad(sink,"sink"));
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g_print("setting to RUNNING state\n");
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gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_RUNNING);
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g_print("about to enter loop\n");
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while (1) {
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gst_src_push(GST_SRC(src));
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}
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}
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