mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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189 lines
6.7 KiB
C
189 lines
6.7 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 <string.h>
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#include <glib.h>
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#include <gst/gst.h>
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#define BUFFER 1
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extern gboolean _gst_plugin_spew;
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gboolean idle_func(gpointer data);
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int fd;
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char *outfile;
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GstElement *mux;
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void eof(GstElement *src) {
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g_print("have eos, quitting\n");
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exit(0);
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}
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void new_pad_created(GstElement *parse,GstPad *pad,GstElement *pipeline) {
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GstElement *audio_encode;
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GstElement *encode, *smooth, *median;
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GstElement *audio_queue, *video_queue;
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GstElement *audio_thread, *video_thread;
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g_print("***** a new pad %s was created\n", gst_pad_get_name(pad));
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gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PAUSED);
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// connect to audio pad
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//if (0) {
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if (strncmp(gst_pad_get_name(pad), "audio_", 6) == 0) {
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gst_plugin_load("mpegaudio");
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// construct internal pipeline elements
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audio_encode = gst_elementfactory_make("mpegaudio","audio_encode");
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g_return_if_fail(audio_encode != NULL);
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// create the thread and pack stuff into it
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audio_thread = gst_thread_new("audio_thread");
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g_return_if_fail(audio_thread != NULL);
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gst_bin_add(GST_BIN(audio_thread),GST_ELEMENT(audio_encode));
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g_object_set(G_OBJECT(mux),"audio","00",NULL);
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// set up pad connections
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gst_element_add_ghost_pad(GST_ELEMENT(audio_thread),
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gst_element_get_pad(audio_encode,"sink"),"sink");
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gst_pad_connect(gst_element_get_pad(audio_encode,"src"),
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gst_element_get_pad(mux,"audio_00"));
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// construct queue and connect everything in the main pipelie
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audio_queue = gst_elementfactory_make("queue","audio_queue");
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g_object_set(G_OBJECT(audio_queue),"max_level",BUFFER,NULL);
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gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(audio_queue));
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gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(audio_thread));
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gst_pad_connect(pad,
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gst_element_get_pad(audio_queue,"sink"));
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gst_pad_connect(gst_element_get_pad(audio_queue,"src"),
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gst_element_get_pad(audio_thread,"sink"));
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// set up thread state and kick things off
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g_object_set(G_OBJECT(audio_thread),"create_thread",TRUE,NULL);
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g_print("setting to READY state\n");
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gst_element_set_state(GST_ELEMENT(audio_thread),GST_STATE_READY);
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} else if (strncmp(gst_pad_get_name(pad), "video_", 6) == 0) {
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//} else if (0) {
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gst_plugin_load("smooth");
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gst_plugin_load("median");
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gst_plugin_load("mpeg2enc");
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// construct internal pipeline elements
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smooth = gst_elementfactory_make("smooth","smooth");
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g_return_if_fail(smooth != NULL);
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median = gst_elementfactory_make("median","median");
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g_return_if_fail(median != NULL);
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g_object_set(G_OBJECT(median),"filtersize",5,NULL);
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g_object_set(G_OBJECT(median),"active",TRUE,NULL);
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g_object_set(G_OBJECT(smooth),"filtersize",16,NULL);
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g_object_set(G_OBJECT(smooth),"tolerance",16,NULL);
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g_object_set(G_OBJECT(smooth),"active",FALSE,NULL);
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encode = gst_elementfactory_make("mpeg2enc","encode");
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g_return_if_fail(encode != NULL);
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g_object_set(G_OBJECT(mux),"video","00",NULL);
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// create the thread and pack stuff into it
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video_thread = gst_thread_new("video_thread");
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g_return_if_fail(video_thread != NULL);
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gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(smooth));
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gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(median));
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gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(encode));
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gst_pad_connect(gst_element_get_pad(median,"src"),
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gst_element_get_pad(smooth,"sink"));
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gst_pad_connect(gst_element_get_pad(smooth,"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(mux,"video_00"));
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// set up pad connections
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gst_element_add_ghost_pad(GST_ELEMENT(video_thread),
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gst_element_get_pad(median,"sink"),"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",BUFFER,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(pad,
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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,"sink"));
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// set up thread state and kick things off
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g_object_set(G_OBJECT(video_thread),"create_thread",TRUE,NULL);
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g_print("setting to READY state\n");
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gst_element_set_state(GST_ELEMENT(video_thread),GST_STATE_READY);
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}
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g_print("\n");
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gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PLAYING);
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}
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int main(int argc,char *argv[]) {
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GstElement *pipeline, *src, *parse, *fdsink;
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GstElementFactory *fdsinkfactory;
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g_print("have %d args\n",argc);
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//_gst_plugin_spew = TRUE;
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g_thread_init(NULL);
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gst_init(&argc,&argv);
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gst_plugin_load("parseavi");
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gst_plugin_load("system_encode");
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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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src = gst_elementfactory_make("disksrc","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_make("avidecoder","parse");
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g_return_val_if_fail(parse != NULL, -1);
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mux = gst_elementfactory_make("system_encode","mux");
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g_return_val_if_fail(mux != NULL, -1);
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g_print("should be using output file '%s'\n",argv[2]);
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outfile = argv[2];
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fd = open(argv[2],O_CREAT|O_RDWR|O_TRUNC);
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fdsinkfactory = gst_elementfactory_find("fdsink");
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g_return_val_if_fail(fdsinkfactory != NULL, -1);
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fdsink = gst_elementfactory_create(fdsinkfactory,"fdsink");
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g_return_val_if_fail(fdsink != NULL, -1);
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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(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(mux));
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gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(fdsink));
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g_signal_connect(G_OBJECT(parse),"new_pad",
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G_CALLBACK(new_pad_created),pipeline);
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g_signal_connect(G_OBJECT(src),"eos",
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G_CALLBACK(eof),NULL);
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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(mux,"src"),
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gst_element_get_pad(fdsink,"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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g_idle_add(idle_func,pipeline);
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//gtk_main();
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return 0;
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}
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gboolean idle_func(gpointer data) {
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gst_bin_iterate(GST_BIN(data));
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return TRUE;
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}
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