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//gcc -Wall lecteuraudiovideo.c -o lecteuraudiovideo $(pkg-config --cflags --libs gstreamer-0.10)
//gcc -Wall basic-tutorial-5.c -o basic-tutorial-5 $(pkg-config --cflags --libs gstreamer-0.10 gtk+-2.0)
//gcc basic-tutorial-5.c -o basic-tutorial-5 $(pkg-config --cflags --libs gstreamer-interfaces-0.10 gtk+-2.0 gstreamer-0.10)
//gcc lecteuraudiovideo.c -o lecteuraudiovideo $(pkg-config --cflags --libs gstreamer-interfaces-0.10 gtk+-2.0 gstreamer-0.10)
//`pkg-config --libs gtk+-2.0`
#include <string.h>
#include <gtk/gtk.h>
#include <gst/gst.h>
#include <gst/interfaces/xoverlay.h>
#include <gdk/gdk.h>
#if defined (GDK_WINDOWING_X11)
#include <gdk/gdkx.h>
#elif defined (GDK_WINDOWING_WIN32)
#include <gdk/gdkwin32.h>
#elif defined (GDK_WINDOWING_QUARTZ)
#include <gdk/gdkquartz.h>
#endif
static gboolean bus_call (GstBus *bus,
GstMessage *msg,
gpointer data)
{
GMainLoop *loop = (GMainLoop *) data;
switch (GST_MESSAGE_TYPE (msg)) {
case GST_MESSAGE_EOS:
g_print ("End of stream\n");
g_main_loop_quit (loop);
break;
case GST_MESSAGE_ERROR: {
gchar *debug;
GError *error;
gst_message_parse_error (msg, &error, &debug);
g_free (debug);
g_printerr ("Error: %s\n", error->message);
g_error_free (error);
g_main_loop_quit (loop);
break;
}
default:
break;
}
return TRUE;
}
static void on_pad_added (GstElement *element,
GstPad *pad,
gpointer data)
{
GstPad *sinkpad;
GstElement *decoder = (GstElement *) data;
/* We can now link this pad with the vorbis-decoder sink pad */
g_print ("Dynamic pad created, linking demuxer/decoder\n");
sinkpad = gst_element_get_static_pad (decoder, "sink");
gst_pad_link (pad, sinkpad);
gst_object_unref (sinkpad);
}
int main (int argc, char *argv[]) {
GMainLoop *loop;
GstElement *pipeline, *source, *subOverlay, *subParse, *subSource, *demuxer, *audioDecoder, *videoDecoder, *audioConv, *videoConv, *videosink,
*audiosink, *audioQueue, *videoQueue;
GstBus *bus;
gst_init (&argc, &argv);
loop = g_main_loop_new (NULL, FALSE);
if (argc < 2 && argc > 3) {
g_printerr ("Usage: %s <Ogg/Vorbis filename> [Srt filename]\n", argv[0]);
return -1;
}
pipeline = gst_pipeline_new ("audiovideo-player");
source = gst_element_factory_make ("filesrc", "file-source");
demuxer = gst_element_factory_make ("oggdemux", "ogg-demuxer");
audioQueue = gst_element_factory_make ("queue", "audio-queue");
videoQueue = gst_element_factory_make ("queue", "video-queue");
audioDecoder = gst_element_factory_make ("vorbisdec", "vorbis-decoder");
videoDecoder = gst_element_factory_make ("theoradec", "theora-decoder");
audioConv = gst_element_factory_make ("audioconvert", "audio-converter");
videoConv = gst_element_factory_make ("ffmpegcolorspace", "video-converter");
videosink = gst_element_factory_make ("autovideosink", "video-output");
audiosink = gst_element_factory_make ("autoaudiosink", "audio-output");
subOverlay = gst_element_factory_make ("subtitleoverlay", "NULL");
subParse = gst_element_factory_make ("subparse", "NULL");
subSource = gst_element_factory_make ("filesrc", "file-source");
if (!pipeline || !source || !demuxer || !audioDecoder || !audioConv || !videoDecoder || !videoConv || !audioQueue
|| !videoQueue || !audiosink || !videosink) {
g_printerr ("One element could not be created. Exiting.\n");
exit(-1);
}
g_object_set (G_OBJECT (source), "location", argv[1], NULL);
bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
gst_bus_add_watch (bus, bus_call, loop);
gst_object_unref (bus);
gst_bin_add_many (GST_BIN (pipeline),
source, demuxer,
audioQueue, videoQueue, audioDecoder, videoDecoder,
videoConv, audioConv, videosink, audiosink, NULL);
gst_element_link (source, demuxer);
gst_element_link_many (videoQueue, videoDecoder, videoConv, subOverlay, videosink, NULL);
g_signal_connect (demuxer, "pad-added", G_CALLBACK (on_pad_added), videoQueue);
/* file-source -> ogg-demuxer ~> vorbis-decoder -> converter -> alsa-output */
gst_element_link_many (audioQueue, audioDecoder, audioConv, audiosink, NULL);
g_signal_connect (demuxer, "pad-added", G_CALLBACK (on_pad_added), audioQueue);
/* Linking subtitles and video pads together */
g_object_set (G_OBJECT (subSource), "location", argv[2], NULL);
gst_element_link (subSource, subParse);
if(gst_element_link_pads(subParse, NULL, subOverlay, NULL)) {
g_printerr("Pads couldn't be linked\n");
}
g_print ("Lecture de : %s\n", argv[1]);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
g_print ("En cours...\n");
g_main_loop_run (loop);
g_print ("Arret de la lecture\n");
gst_element_set_state (pipeline, GST_STATE_NULL);
g_print ("Suppression du pipeline\n");
gst_object_unref (GST_OBJECT (pipeline));
return 0;
} |
Gstreamer - ajouter des sous titres dans une video
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