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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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80 lines
3 KiB
C
80 lines
3 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 <glib.h>
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#include <gst/gst.h>
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int main(int argc,char *argv[]) {
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int fd;
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GstPipeline *pipeline;
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GstElement *osssrc, *videosrc, *fdsink, *encoder, *compress, *video_queue, *video_thread;
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GstElementFactory *osssrcfactory, *fdsinkfactory, *encoderfactory, *compressfactory;
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GstElementFactory *videosrcfactory;
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gst_init(&argc,&argv);
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gst_plugin_load("v4lsrc");
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gst_plugin_load("aviencoder");
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gst_plugin_load("jpeg");
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pipeline = GST_PIPELINE (gst_pipeline_new("pipeline"));
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osssrcfactory = gst_elementfactory_find("osssrc");
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osssrc = gst_elementfactory_create(osssrcfactory,"osssrc");
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videosrcfactory = gst_elementfactory_find("v4lsrc");
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videosrc = gst_elementfactory_create(videosrcfactory,"videosrc");
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compressfactory = gst_elementfactory_find("jpegenc");
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compress = gst_elementfactory_create(compressfactory,"jpegenc");
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encoderfactory = gst_elementfactory_find("aviencoder");
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encoder = gst_elementfactory_create(encoderfactory,"aviencoder");
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g_object_set(G_OBJECT(videosrc),"width",320,"height",240,NULL);
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g_object_set(G_OBJECT(videosrc),"format",9,NULL);
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g_object_set(G_OBJECT(encoder),"video","00:I420",NULL);
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fd = open(argv[1],O_CREAT|O_RDWR|O_TRUNC);
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fdsinkfactory = gst_elementfactory_find("fdsink");
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fdsink = gst_elementfactory_create(fdsinkfactory,"fdsink");
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g_object_set(G_OBJECT(fdsink),"fd",fd,NULL);
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gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(videosrc));
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/* add objects to the main pipeline */
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video_thread = gst_thread_new("video_thread");
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g_return_val_if_fail(video_thread != NULL, -1);
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gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(compress));
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gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(encoder));
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gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(fdsink));
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/* connect src to sink */
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gst_element_add_ghost_pad(GST_ELEMENT(video_thread),
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// gst_element_get_pad(compress,"sink"));
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//gst_pad_connect(gst_element_get_pad(compress,"src"),
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gst_element_get_pad(encoder,"video_00"),"video_00");
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gst_pad_connect(gst_element_get_pad(encoder,"src"),
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gst_element_get_pad(fdsink,"sink"));
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// construct queue and connect everything in the main pipeline
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video_queue = gst_elementfactory_make("queue","video_queue");
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g_object_set(G_OBJECT(video_queue),"max_level",30,NULL);
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gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(video_queue));
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gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(video_thread));
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gst_pad_connect(gst_element_get_pad(videosrc, "src"),
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gst_element_get_pad(video_queue,"sink"));
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gst_pad_connect(gst_element_get_pad(video_queue,"src"),
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gst_element_get_pad(video_thread,"video_00"));
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g_object_set(G_OBJECT(video_thread),"create_thread",TRUE,NULL);
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g_print("\neverything's built, setting it up to be runnable\n");
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gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_READY);
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g_print("\nok, runnable, hitting 'play'...\n");
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gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PLAYING);
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while(1)
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gst_bin_iterate(GST_BIN(pipeline));
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}
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