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-rw-r--r--examples/indexing/indexmpeg.c136
1 files changed, 114 insertions, 22 deletions
diff --git a/examples/indexing/indexmpeg.c b/examples/indexing/indexmpeg.c
index 3a7a9c81..3c1d6421 100644
--- a/examples/indexing/indexmpeg.c
+++ b/examples/indexing/indexmpeg.c
@@ -20,6 +20,9 @@
#include <string.h>
#include <gst/gst.h>
+static gboolean verbose = FALSE;
+static gboolean quiet = FALSE;
+
static void
entry_added (GstIndex *index, GstIndexEntry *entry)
{
@@ -56,6 +59,7 @@ typedef struct
GstPad *target;
GstElement *bin;
GstElement *pipeline;
+ GstIndex *index;
} dyn_connect;
static void
@@ -67,6 +71,7 @@ dynamic_connect (GstPadTemplate *templ, GstPad *newpad, gpointer data)
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_index (connect->bin, connect->index);
gst_element_set_state (connect->pipeline, GST_STATE_PLAYING);
}
}
@@ -76,7 +81,8 @@ setup_dynamic_connection (GstElement *pipeline,
GstElement *element,
const gchar *padname,
GstPad *target,
- GstElement *bin)
+ GstElement *bin,
+ GstIndex *index)
{
dyn_connect *connect;
@@ -85,16 +91,16 @@ setup_dynamic_connection (GstElement *pipeline,
connect->target = target;
connect->bin = bin;
connect->pipeline = pipeline;
+ connect->index = index;
g_signal_connect (G_OBJECT (element), "new_pad", G_CALLBACK (dynamic_connect), connect);
}
static GstElement*
-make_mpeg_systems_pipeline (const gchar *path)
+make_mpeg_systems_pipeline (const gchar *path, GstIndex *index)
{
GstElement *pipeline;
GstElement *src, *demux;
- GstIndex *index;
pipeline = gst_pipeline_new ("pipeline");
@@ -106,9 +112,9 @@ make_mpeg_systems_pipeline (const gchar *path)
gst_bin_add (GST_BIN (pipeline), src);
gst_bin_add (GST_BIN (pipeline), demux);
- 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);
+ if (index) {
+ gst_element_set_index (pipeline, index);
+ }
gst_element_connect_pads (src, "src", demux, "sink");
@@ -116,11 +122,10 @@ make_mpeg_systems_pipeline (const gchar *path)
}
static GstElement*
-make_mpeg_decoder_pipeline (const gchar *path)
+make_mpeg_decoder_pipeline (const gchar *path, GstIndex *index)
{
GstElement *pipeline;
GstElement *src, *demux;
- GstIndex *index;
GstElement *video_bin, *audio_bin;
GstElement *video_decoder, *audio_decoder;
@@ -143,55 +148,142 @@ make_mpeg_decoder_pipeline (const gchar *path)
setup_dynamic_connection (pipeline, demux, "video_00",
gst_element_get_pad (video_decoder, "sink"),
- video_bin);
+ video_bin, index);
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);
+ if (index) {
+ gst_element_set_index (pipeline, index);
+ }
return pipeline;
}
+static void
+print_progress (GstPad *pad)
+{
+ gint i = 0;
+ gchar status[53];
+ GstFormat format;
+ gboolean res;
+ gint64 value;
+ gint percent = 0;
+
+ status[0] = '|';
+
+ format = GST_FORMAT_PERCENT;
+ res = gst_pad_query (pad, GST_PAD_QUERY_POSITION, &format, &value);
+ if (res) {
+ percent = value / (2 * GST_FORMAT_PERCENT_SCALE);
+ }
+
+ for (i = 0; i < percent; i++) {
+ status[i+1] = '=';
+ }
+ for (i = percent; i < 50; i++) {
+ status[i+1] = ' ';
+ }
+ status[51] = '|';
+ status[52] = 0;
+
+ g_print ("%s\r", status);
+}
+
gint
main (gint argc, gchar *argv[])
{
GstElement *pipeline;
-
- gst_init (&argc, &argv);
-
- if (argc < 3) {
- g_print ("usage: %s <type> <filename> \n"
+ GstElement *src;
+ GstPad *pad;
+ GstIndex *index;
+ gint count = 0;
+ GstEvent *event;
+ gboolean res;
+ gint i;
+ struct poptOption options[] = {
+ { "verbose", 'v', POPT_ARG_NONE|POPT_ARGFLAG_STRIP, &verbose, 0,
+ "Print index entries", NULL},
+ { "quiet", 'q', POPT_ARG_NONE|POPT_ARGFLAG_STRIP, &quiet, 0,
+ "don't print progress bar", NULL},
+ POPT_TABLEEND
+ };
+
+ if (!gst_init_with_popt_table (&argc, &argv, options) || argc < 3) {
+ g_print ("usage: %s [-v] <type> <filename> \n"
" type can be: 0 mpeg_systems\n"
- " 1 mpeg_decoder\n", argv[0]);
+ " 1 mpeg_decoder\n"
+ " -v : report added index entries\n"
+ " -q : don't print progress\n" , argv[0]);
return -1;
}
+ /* create index that elements can fill */
+ index = gst_index_factory_make ("memindex");
+ if (verbose)
+ g_signal_connect (G_OBJECT (index), "entry_added", G_CALLBACK (entry_added), NULL);
+
+ /* construct pipeline */
switch (atoi (argv[1])) {
case 0:
- pipeline = make_mpeg_systems_pipeline (argv[2]);
+ pipeline = make_mpeg_systems_pipeline (argv[2], index);
break;
case 1:
- pipeline = make_mpeg_decoder_pipeline (argv[2]);
+ pipeline = make_mpeg_decoder_pipeline (argv[2], index);
break;
default:
g_print ("unkown type %d\n", atoi (argv[1]));
return -1;
}
+ /* setup some default info/error handlers */
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);
+ /* get a pad to perform progress reporting on */
+ src = gst_bin_get_by_name (GST_BIN (pipeline), "src");
+ pad = gst_element_get_pad (src, "src");
+
+ /* prepare for iteration */
gst_element_set_state (pipeline, GST_STATE_PLAYING);
- while (gst_bin_iterate (GST_BIN (pipeline)));
+ g_print ("indexing %s...\n", argv [2]);
+ /* run through the complete stream to let it generate an index */
+ while (gst_bin_iterate (GST_BIN (pipeline))) {
+ if (!quiet && (count % 1000 == 0)) {
+ print_progress (pad);
+ }
+ count++;
+ }
+ g_print ("\n");
+
+ /* bring to ready to restart the pipeline */
+ gst_element_set_state (pipeline, GST_STATE_READY);
+ gst_element_set_state (pipeline, GST_STATE_PAUSED);
+
+ GST_FLAG_UNSET (index, GST_INDEX_WRITABLE);
+
+ src = gst_bin_get_by_name (GST_BIN (pipeline), "video_decoder");
+ pad = gst_element_get_pad (src, "src");
+
+ g_print ("seeking %s...\n", argv [2]);
+ event = gst_event_new_seek (GST_FORMAT_TIME |
+ GST_SEEK_METHOD_SET |
+ GST_SEEK_FLAG_FLUSH, 1 * GST_SECOND);
+
+ res = gst_pad_send_event (pad, event);
+ if (!res) {
+ g_warning ("seek failed");
+ }
+
+ gst_element_set_state (pipeline, GST_STATE_PLAYING);
+ for (i = 0; i < 100; i++) {
+ gst_bin_iterate (GST_BIN (pipeline));
+ }
gst_element_set_state (pipeline, GST_STATE_NULL);
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-25 18:14:27 +0000