Menu
▾
▴
[gst-cvs] wtay gst-plugins: gst-plugins/examples/indexing/
|
From: Wim T. <wt...@us...> - 2002-12-12 22:14:25
|
CVS Root: /cvsroot/gstreamer
Module: gst-plugins
Changes by: wtay
Date: Thu Dec 12 2002 14:14:24 PST
Log message:
cache -> index
Modified files:
examples/indexing: indexmpeg.c
Links:
http://cvs.sf.net/cgi-bin/viewcvs.cgi/gstreamer/gst-plugins/examples/indexing/indexmpeg.c.diff?r1=1.1&r2=1.2
====Begin Diffs====
Index: indexmpeg.c
===================================================================
RCS file: /cvsroot/gstreamer/gst-plugins/examples/indexing/indexmpeg.c,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -d -r1.1 -r1.2
--- indexmpeg.c 27 Nov 2002 21:01:41 -0000 1.1
+++ indexmpeg.c 12 Dec 2002 22:14:09 -0000 1.2
@@ -17,29 +17,30 @@
* Boston, MA 02111-1307, USA.
*/
+#include <string.h>
#include <gst/gst.h>
static void
-entry_added (GstCache *tc, GstCacheEntry *entry)
+entry_added (GstIndex *index, GstIndexEntry *entry)
{
switch (entry->type) {
- case GST_CACHE_ENTRY_ID:
+ case GST_INDEX_ENTRY_ID:
g_print ("id %d describes writer %s\n", entry->id,
- GST_CACHE_ID_DESCRIPTION (entry));
+ GST_INDEX_ID_DESCRIPTION (entry));
break;
- case GST_CACHE_ENTRY_FORMAT:
+ case GST_INDEX_ENTRY_FORMAT:
g_print ("%d: registered format %d for %s\n", entry->id,
- GST_CACHE_FORMAT_FORMAT (entry),
- GST_CACHE_FORMAT_KEY (entry));
+ GST_INDEX_FORMAT_FORMAT (entry),
+ GST_INDEX_FORMAT_KEY (entry));
break;
- case GST_CACHE_ENTRY_ASSOCIATION:
+ case GST_INDEX_ENTRY_ASSOCIATION:
{
gint i;
- g_print ("%d: %08x ", entry->id, GST_CACHE_ASSOC_FLAGS (entry));
- for (i = 0; i < GST_CACHE_NASSOCS (entry); i++) {
- g_print ("%d %lld ", GST_CACHE_ASSOC_FORMAT (entry, i),
- GST_CACHE_ASSOC_VALUE (entry, i));
+ g_print ("%d: %08x ", entry->id, GST_INDEX_ASSOC_FLAGS (entry));
+ for (i = 0; i < GST_INDEX_NASSOCS (entry); i++) {
+ g_print ("%d %lld ", GST_INDEX_ASSOC_FORMAT (entry, i),
+ GST_INDEX_ASSOC_VALUE (entry, i));
}
g_print ("\n");
break;
@@ -49,12 +50,51 @@
}
}
+typedef struct
+{
+ const gchar *padname;
+ GstPad *target;
+ GstElement *bin;
+ GstElement *pipeline;
+} dyn_connect;
+
+static void
+dynamic_connect (GstPadTemplate *templ, GstPad *newpad, gpointer data)
+{
+ dyn_connect *connect = (dyn_connect *) data;
+
+ if (!strcmp (gst_pad_get_name (newpad), connect->padname)) {
+ gst_element_set_state (connect->pipeline, GST_STATE_PAUSED);
+ gst_bin_add (GST_BIN (connect->pipeline), connect->bin);
+ gst_pad_connect (newpad, connect->target);
+ gst_element_set_state (connect->pipeline, GST_STATE_PLAYING);
+ }
+}
+
+static void
+setup_dynamic_connection (GstElement *pipeline,
+ GstElement *element,
+ const gchar *padname,
+ GstPad *target,
+ GstElement *bin)
+{
+ dyn_connect *connect;
+
+ connect = g_new0 (dyn_connect, 1);
+ connect->padname = g_strdup (padname);
+ connect->target = target;
+ connect->bin = bin;
+ connect->pipeline = pipeline;
+
+ g_signal_connect (G_OBJECT (element), "new_pad", G_CALLBACK (dynamic_connect), connect);
+}
+
static GstElement*
-make_mpeg_pipeline (const gchar *path)
+make_mpeg_systems_pipeline (const gchar *path)
{
GstElement *pipeline;
GstElement *src, *demux;
- GstCache *cache;
+ GstIndex *index;
pipeline = gst_pipeline_new ("pipeline");
@@ -66,15 +106,58 @@
gst_bin_add (GST_BIN (pipeline), src);
gst_bin_add (GST_BIN (pipeline), demux);
- cache = gst_cache_new ();
- g_signal_connect (G_OBJECT (cache), "entry_added", G_CALLBACK (entry_added), NULL);
- gst_element_set_cache (demux, cache);
+ index = gst_index_factory_make ("memindex");
+ g_signal_connect (G_OBJECT (index), "entry_added", G_CALLBACK (entry_added), NULL);
+ gst_element_set_index (demux, index);
gst_element_connect_pads (src, "src", demux, "sink");
return pipeline;
}
+static GstElement*
+make_mpeg_decoder_pipeline (const gchar *path)
+{
+ GstElement *pipeline;
+ GstElement *src, *demux;
+ GstIndex *index;
+ GstElement *video_bin, *audio_bin;
+ GstElement *video_decoder, *audio_decoder;
+
+ pipeline = gst_pipeline_new ("pipeline");
+
+ src = gst_element_factory_make ("filesrc", "src");
+ g_object_set (G_OBJECT (src), "location", path, NULL);
+
+ demux = gst_element_factory_make ("mpegdemux", "demux");
+
+ gst_bin_add (GST_BIN (pipeline), src);
+ gst_bin_add (GST_BIN (pipeline), demux);
+
+ gst_element_connect_pads (src, "src", demux, "sink");
+
+ video_bin = gst_bin_new ("video_bin");
+ video_decoder = gst_element_factory_make ("mpeg2dec", "video_decoder");
+
+ gst_bin_add (GST_BIN (video_bin), video_decoder);
+
+ setup_dynamic_connection (pipeline, demux, "video_00",
+ gst_element_get_pad (video_decoder, "sink"),
+ video_bin);
+
+ audio_bin = gst_bin_new ("audio_bin");
+ audio_decoder = gst_element_factory_make ("mad", "audio_decoder");
+
+ gst_bin_add (GST_BIN (audio_bin), audio_decoder);
+
+ index = gst_index_factory_make ("memindex");
+ g_signal_connect (G_OBJECT (index), "entry_added", G_CALLBACK (entry_added), NULL);
+ gst_element_set_index (demux, index);
+ gst_element_set_index (video_decoder, index);
+
+ return pipeline;
+}
+
gint
main (gint argc, gchar *argv[])
{
@@ -82,13 +165,29 @@
gst_init (&argc, &argv);
- if (argc < 2) {
- g_print ("usage: %s <filename>\n", argv[0]);
+ if (argc < 3) {
+ g_print ("usage: %s <type> <filename> \n"
+ " type can be: 0 mpeg_systems\n"
+ " 1 mpeg_decoder\n", argv[0]);
return -1;
}
-
- pipeline = make_mpeg_pipeline (argv[1]);
+ switch (atoi (argv[1])) {
+ case 0:
+ pipeline = make_mpeg_systems_pipeline (argv[2]);
+ break;
+ case 1:
+ pipeline = make_mpeg_decoder_pipeline (argv[2]);
+ break;
+ default:
+ g_print ("unkown type %d\n", atoi (argv[1]));
+ return -1;
+ }
+
+ g_signal_connect (G_OBJECT (pipeline), "deep_notify",
+ G_CALLBACK (gst_element_default_deep_notify), NULL);
+ g_signal_connect (G_OBJECT (pipeline), "error",
+ G_CALLBACK (gst_element_default_error), NULL);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
|