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cache -> index

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Original commit message from CVS:
cache -> index
This commit is contained in:
Wim Taymans 2002-12-12 22:14:09 +00:00
parent 63fe3ba65b
commit eee0a6300f
1 changed files with 119 additions and 20 deletions
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137
examples/indexing/indexmpeg.c
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@ -17,29 +17,30 @@
* Boston, MA 02111-1307, USA. * Boston, MA 02111-1307, USA.
*/ */
#include <string.h>
#include <gst/gst.h> #include <gst/gst.h>
static void static void
entry_added (GstCache *tc, GstCacheEntry *entry) entry_added (GstIndex *index, GstIndexEntry *entry)
{ {
switch (entry->type) { switch (entry->type) {
case GST_CACHE_ENTRY_ID: case GST_INDEX_ENTRY_ID:
g_print ("id %d describes writer %s\n", entry->id, g_print ("id %d describes writer %s\n", entry->id,
GST_CACHE_ID_DESCRIPTION (entry)); GST_INDEX_ID_DESCRIPTION (entry));
break; break;
case GST_CACHE_ENTRY_FORMAT: case GST_INDEX_ENTRY_FORMAT:
g_print ("%d: registered format %d for %s\n", entry->id, g_print ("%d: registered format %d for %s\n", entry->id,
GST_CACHE_FORMAT_FORMAT (entry), GST_INDEX_FORMAT_FORMAT (entry),
GST_CACHE_FORMAT_KEY (entry)); GST_INDEX_FORMAT_KEY (entry));
break; break;
case GST_CACHE_ENTRY_ASSOCIATION: case GST_INDEX_ENTRY_ASSOCIATION:
{ {
gint i; gint i;
g_print ("%d: %08x ", entry->id, GST_CACHE_ASSOC_FLAGS (entry)); g_print ("%d: %08x ", entry->id, GST_INDEX_ASSOC_FLAGS (entry));
for (i = 0; i < GST_CACHE_NASSOCS (entry); i++) { for (i = 0; i < GST_INDEX_NASSOCS (entry); i++) {
g_print ("%d %lld ", GST_CACHE_ASSOC_FORMAT (entry, i), g_print ("%d %lld ", GST_INDEX_ASSOC_FORMAT (entry, i),
GST_CACHE_ASSOC_VALUE (entry, i)); GST_INDEX_ASSOC_VALUE (entry, i));
} }
g_print ("\n"); g_print ("\n");
break; break;
@ -49,12 +50,51 @@ entry_added (GstCache *tc, GstCacheEntry *entry)
} }
} }
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* static GstElement*
make_mpeg_pipeline (const gchar *path) make_mpeg_systems_pipeline (const gchar *path)
{ {
GstElement *pipeline; GstElement *pipeline;
GstElement *src, *demux; GstElement *src, *demux;
GstCache *cache; GstIndex *index;
pipeline = gst_pipeline_new ("pipeline"); pipeline = gst_pipeline_new ("pipeline");
@ -66,15 +106,58 @@ make_mpeg_pipeline (const gchar *path)
gst_bin_add (GST_BIN (pipeline), src); gst_bin_add (GST_BIN (pipeline), src);
gst_bin_add (GST_BIN (pipeline), demux); gst_bin_add (GST_BIN (pipeline), demux);
cache = gst_cache_new (); index = gst_index_factory_make ("memindex");
g_signal_connect (G_OBJECT (cache), "entry_added", G_CALLBACK (entry_added), NULL); g_signal_connect (G_OBJECT (index), "entry_added", G_CALLBACK (entry_added), NULL);
gst_element_set_cache (demux, cache); gst_element_set_index (demux, index);
gst_element_connect_pads (src, "src", demux, "sink"); gst_element_connect_pads (src, "src", demux, "sink");
return pipeline; 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 gint
main (gint argc, gchar *argv[]) main (gint argc, gchar *argv[])
{ {
@ -82,13 +165,29 @@ main (gint argc, gchar *argv[])
gst_init (&argc, &argv); gst_init (&argc, &argv);
if (argc < 2) { if (argc < 3) {
g_print ("usage: %s <filename>\n", argv[0]); g_print ("usage: %s <type> <filename> \n"
" type can be: 0 mpeg_systems\n"
" 1 mpeg_decoder\n", argv[0]);
return -1; return -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;
}
pipeline = make_mpeg_pipeline (argv[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); gst_element_set_state (pipeline, GST_STATE_PLAYING);