mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-24 01:00:37 +00:00
78 lines
2.8 KiB
C
78 lines
2.8 KiB
C
#include <gst/gst.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
|
|
|
|
void eof(GstElement *src) {
|
|
g_print("have eof, quitting\n");
|
|
exit(0);
|
|
}
|
|
|
|
int main(int argc,char *argv[]) {
|
|
GstElement *pipeline;
|
|
GstElementFactory *srcfactory, *parsefactory, *decodefactory, *encodefactory, *sinkfactory;
|
|
GstElement *src, *parse, *decode, *encode, *sink;
|
|
int fd;
|
|
|
|
g_print("have %d args\n",argc);
|
|
|
|
gst_init(&argc,&argv);
|
|
|
|
pipeline = gst_pipeline_new("pipeline");
|
|
g_return_val_if_fail(pipeline != NULL, -1);
|
|
|
|
srcfactory = gst_elementfactory_find("disksrc");
|
|
g_return_val_if_fail(srcfactory != NULL, -1);
|
|
parsefactory = gst_elementfactory_find("mp3parse");
|
|
g_return_val_if_fail(parsefactory != NULL, -1);
|
|
decodefactory = gst_elementfactory_find("mpg123");
|
|
g_return_val_if_fail(decodefactory != NULL, -1);
|
|
encodefactory = gst_elementfactory_find("vorbisenc");
|
|
g_return_val_if_fail(encodefactory != NULL, -1);
|
|
sinkfactory = gst_elementfactory_find("fdsink");
|
|
g_return_val_if_fail(sinkfactory != NULL, -1);
|
|
sink = gst_elementfactory_create(sinkfactory,"sink");
|
|
|
|
src = gst_elementfactory_create(srcfactory,"src");
|
|
g_return_val_if_fail(src != NULL, -1);
|
|
g_object_set(G_OBJECT(src),"location",argv[1],NULL);
|
|
g_print("should be using file '%s'\n",argv[1]);
|
|
parse = gst_elementfactory_create(parsefactory,"parse");
|
|
g_return_val_if_fail(parse != NULL, -1);
|
|
decode = gst_elementfactory_create(decodefactory,"decode");
|
|
g_return_val_if_fail(decode != NULL, -1);
|
|
encode = gst_elementfactory_create(encodefactory,"encode");
|
|
g_return_val_if_fail(encode != NULL, -1);
|
|
sink = gst_elementfactory_create(sinkfactory,"sink");
|
|
g_return_val_if_fail(sink != NULL, -1);
|
|
g_print("should be using output file '%s'\n",argv[2]);
|
|
fd = open(argv[2], O_CREAT|O_RDWR|O_TRUNC);
|
|
g_object_set(G_OBJECT(sink),"fd",fd,NULL);
|
|
|
|
g_signal_connect(G_OBJECT(src),"eos",
|
|
G_CALLBACK(eof),NULL);
|
|
|
|
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(src));
|
|
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(parse));
|
|
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(decode));
|
|
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(encode));
|
|
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(sink));
|
|
|
|
gst_pad_connect(gst_element_get_pad(src,"src"),
|
|
gst_element_get_pad(parse,"sink"));
|
|
gst_pad_connect(gst_element_get_pad(parse,"src"),
|
|
gst_element_get_pad(decode,"sink"));
|
|
gst_pad_connect(gst_element_get_pad(decode,"src"),
|
|
gst_element_get_pad(encode,"sink"));
|
|
gst_pad_connect(gst_element_get_pad(encode,"src"),
|
|
gst_element_get_pad(sink,"sink"));
|
|
|
|
g_print("setting to READY state\n");
|
|
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PLAYING);
|
|
|
|
g_print("about to enter loop\n");
|
|
while (1) {
|
|
gst_bin_iterate(GST_BIN(pipeline));
|
|
}
|
|
}
|