Commit 8d964703 authored by Wim Taymans's avatar Wim Taymans

Updated mpeg seeking example

Original commit message from CVS:
Updated mpeg seeking example
parent 49b6b8b1
......@@ -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);
......
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