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Added example indexing program for mpeg

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Original commit message from CVS:
Added example indexing program for mpeg
This commit is contained in:
Wim Taymans 2002-11-27 21:01:41 +00:00
parent c2758dbd00
commit 5534b24f18
2 changed files with 108 additions and 0 deletions
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7
examples/indexing/Makefile.am Normal file
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examples = indexmpeg
noinst_PROGRAMS = $(examples)
# we have nothing but apps here, we can do this safely
LIBS = $(GST_LIBS) $(GTK_LIBS) $(FT2_LIBS)
AM_CFLAGS = $(GST_CFLAGS) $(GTK_CFLAGS)

101
examples/indexing/indexmpeg.c Normal file
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/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <gst/gst.h>
static void
entry_added (GstCache *tc, GstCacheEntry *entry)
{
switch (entry->type) {
case GST_CACHE_ENTRY_ID:
g_print ("id %d describes writer %s\n", entry->id,
GST_CACHE_ID_DESCRIPTION (entry));
break;
case GST_CACHE_ENTRY_FORMAT:
g_print ("%d: registered format %d for %s\n", entry->id,
GST_CACHE_FORMAT_FORMAT (entry),
GST_CACHE_FORMAT_KEY (entry));
break;
case GST_CACHE_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 ("\n");
break;
}
default:
break;
}
}
static GstElement*
make_mpeg_pipeline (const gchar *path)
{
GstElement *pipeline;
GstElement *src, *demux;
GstCache *cache;
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);
cache = gst_cache_new ();
g_signal_connect (G_OBJECT (cache), "entry_added", G_CALLBACK (entry_added), NULL);
gst_element_set_cache (demux, cache);
gst_element_connect_pads (src, "src", demux, "sink");
return pipeline;
}
gint
main (gint argc, gchar *argv[])
{
GstElement *pipeline;
gst_init (&argc, &argv);
if (argc < 2) {
g_print ("usage: %s <filename>\n", argv[0]);
return -1;
}
pipeline = make_mpeg_pipeline (argv[1]);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
while (gst_bin_iterate (GST_BIN (pipeline)));
gst_element_set_state (pipeline, GST_STATE_NULL);
return 1;
}