mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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79 lines
2.8 KiB
C
79 lines
2.8 KiB
C
#include <gst/gst.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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void eof(GstElement *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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GstElement *pipeline;
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GstElementFactory *srcfactory, *parsefactory, *decodefactory, *encodefactory, *sinkfactory;
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GstElement *src, *parse, *decode, *encode, *sink;
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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_val_if_fail(pipeline != NULL, -1);
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srcfactory = gst_elementfactory_find("disksrc");
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g_return_val_if_fail(srcfactory != NULL, -1);
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parsefactory = gst_elementfactory_find("mp3parse");
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g_return_val_if_fail(parsefactory != NULL, -1);
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decodefactory = gst_elementfactory_find("mpg123");
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g_return_val_if_fail(decodefactory != NULL, -1);
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encodefactory = gst_elementfactory_find("vorbisenc");
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g_return_val_if_fail(encodefactory != NULL, -1);
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sinkfactory = gst_elementfactory_find("fdsink");
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g_return_val_if_fail(sinkfactory != NULL, -1);
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sink = gst_elementfactory_create(sinkfactory,"sink");
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src = gst_elementfactory_create(srcfactory,"src");
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g_return_val_if_fail(src != NULL, -1);
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g_object_set(G_OBJECT(src),"location",argv[1],NULL);
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g_print("should be using file '%s'\n",argv[1]);
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parse = gst_elementfactory_create(parsefactory,"parse");
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g_return_val_if_fail(parse != NULL, -1);
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decode = gst_elementfactory_create(decodefactory,"decode");
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g_return_val_if_fail(decode != NULL, -1);
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encode = gst_elementfactory_create(encodefactory,"encode");
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g_return_val_if_fail(encode != NULL, -1);
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sink = gst_elementfactory_create(sinkfactory,"sink");
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g_return_val_if_fail(sink != NULL, -1);
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g_print("should be using output file '%s'\n",argv[2]);
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fd = open(argv[2], O_CREAT|O_RDWR|O_TRUNC);
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g_object_set(G_OBJECT(sink),"fd",fd,NULL);
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g_signal_connectc(G_OBJECT(src),"eos",
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G_CALLBACK(eof),NULL,FALSE);
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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(parse));
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gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(decode));
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gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(encode));
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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(parse,"sink"));
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gst_pad_connect(gst_element_get_pad(parse,"src"),
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gst_element_get_pad(decode,"sink"));
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gst_pad_connect(gst_element_get_pad(decode,"src"),
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gst_element_get_pad(encode,"sink"));
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gst_pad_connect(gst_element_get_pad(encode,"src"),
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gst_element_get_pad(sink,"sink"));
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g_print("setting to READY state\n");
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gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PLAYING);
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g_print("about to enter loop\n");
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while (1) {
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gst_bin_iterate(GST_BIN(pipeline));
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}
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}
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