mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-27 04:01:08 +00:00
Add gst-app-maker
This commit is contained in:
David Schleef
parent
68493aadab
commit
76b087b8b6
2 changed files with 546 additions and 0 deletions
|
|
@ -24,5 +24,6 @@ templatefiles=\
|
|||
|
||||
EXTRA_DIST = \
|
||||
gst-element-maker \
|
||||
gst-app-maker \
|
||||
$(templatefiles)
|
||||
|
||||
|
|
|
|||
545
tools/gst-app-maker
Executable file
545
tools/gst-app-maker
Executable file
|
|
@ -0,0 +1,545 @@
|
|||
#!/bin/sh
|
||||
|
||||
|
||||
prefix=gst
|
||||
templatedir=element-templates
|
||||
|
||||
while [ "$1" ] ; do
|
||||
case $1 in
|
||||
--help)
|
||||
cat <<-EOF
|
||||
Usage: element-maker [OPTIONS] _NAME BASE_CLASS
|
||||
Create a GStreamer application from a template.
|
||||
Options:
|
||||
--help Print this information
|
||||
--prefix PREFIX Use PREFIX instead of "gst"
|
||||
Example: 'gst-app-maker my_app' will create the file gstmyapp.c.
|
||||
EOF
|
||||
exit 0
|
||||
;;
|
||||
--prefix)
|
||||
shift
|
||||
prefix=$1
|
||||
;;
|
||||
-*)
|
||||
echo Unknown option: $1
|
||||
exit 1
|
||||
;;
|
||||
*)
|
||||
if [ "$name" = "" ]; then
|
||||
name=$1
|
||||
else
|
||||
echo Ignored: $1
|
||||
fi
|
||||
esac
|
||||
shift
|
||||
done
|
||||
|
||||
if [ "$name" = "" ] ; then
|
||||
echo "Usage: element-maker [OPTIONS] ELEMENT_NAME BASE_CLASS"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
|
||||
PREFIX=$(echo $prefix | sed -e 's/\(.*\)/\U\1/')
|
||||
NAME=$(echo $name | sed -e 's/\(.*\)/\U\1/')
|
||||
Prefix=$(echo $prefix | sed -e 's/_\(.\)/\U\1/g' -e 's/^\(.\)/\U\1/')
|
||||
Name=$(echo $name | sed -e 's/_\(.\)/\U\1/g' -e 's/^\(.\)/\U\1/')
|
||||
|
||||
GST_IS_REPLACE=${PREFIX}_IS_${NAME}
|
||||
GST_REPLACE=${PREFIX}_${NAME}
|
||||
GST_TYPE_REPLACE=${PREFIX}_TYPE_${NAME}
|
||||
GstReplace=${Prefix}${Name}
|
||||
gst_replace=${prefix}_${name}
|
||||
gstreplace=${prefix}$(echo $name | sed -e 's/_//g')
|
||||
replace=$(echo $name | sed -e 's/_//g')
|
||||
|
||||
if [ "$REAL_NAME" = "" ] ; then
|
||||
REAL_NAME=FIXME
|
||||
fi
|
||||
if [ "$EMAIL_ADDRESS" = "" ] ; then
|
||||
EMAIL_ADDRESS=fixme@example.com
|
||||
fi
|
||||
|
||||
|
||||
|
||||
generate ()
|
||||
{
|
||||
|
||||
cat <<-EOF
|
||||
/* GstReplace
|
||||
* Copyright (C) $(date +%Y) $REAL_NAME <$EMAIL_ADDRESS>
|
||||
* Copyright (C) 2010 Entropy Wave Inc
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||||
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
|
||||
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
||||
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
|
||||
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
#include "config.h"
|
||||
#endif
|
||||
|
||||
#include <gst/gst.h>
|
||||
|
||||
#define GETTEXT_PACKAGE "replace"
|
||||
|
||||
|
||||
typedef struct _GstReplace GstReplace;
|
||||
struct _GstReplace {
|
||||
GstElement *pipeline;
|
||||
GstBus *bus;
|
||||
GMainLoop *main_loop;
|
||||
|
||||
GstElement *source_element;
|
||||
GstElement *sink_element;
|
||||
|
||||
gboolean paused_for_buffering;
|
||||
guint timer_id;
|
||||
};
|
||||
|
||||
GstReplace * gst_replace_new (void);
|
||||
void gst_replace_free (GstReplace *replace);
|
||||
void gst_replace_create_pipeline (GstReplace *replace);
|
||||
void gst_replace_create_pipeline_playbin (GstReplace *replace, const char *uri);
|
||||
void gst_replace_start (GstReplace *replace);
|
||||
void gst_replace_stop (GstReplace *replace);
|
||||
|
||||
static gboolean gst_replace_handle_message (GstBus *bus, GstMessage *message,
|
||||
gpointer data);
|
||||
static gboolean onesecond_timer (gpointer priv);
|
||||
|
||||
|
||||
gboolean verbose;
|
||||
|
||||
static GOptionEntry entries[] =
|
||||
{
|
||||
{ "verbose", 'v', 0, G_OPTION_ARG_NONE, &verbose, "Be verbose", NULL },
|
||||
|
||||
{ NULL }
|
||||
|
||||
};
|
||||
|
||||
int
|
||||
main (int argc, char *argv[])
|
||||
{
|
||||
GError *error = NULL;
|
||||
GOptionContext *context;
|
||||
GstReplace *replace;
|
||||
GMainLoop *main_loop;
|
||||
|
||||
if (!g_thread_supported ()) g_thread_init(NULL);
|
||||
|
||||
context = g_option_context_new ("- FIXME");
|
||||
g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE);
|
||||
g_option_context_add_group (context, gst_init_get_option_group ());
|
||||
if (!g_option_context_parse (context, &argc, &argv, &error)) {
|
||||
g_print ("option parsing failed: %s\n", error->message);
|
||||
exit (1);
|
||||
}
|
||||
g_option_context_free (context);
|
||||
|
||||
replace = gst_replace_new ();
|
||||
|
||||
if (argc > 1) {
|
||||
gchar *uri;
|
||||
if (gst_uri_is_valid (argv[1])) {
|
||||
uri = g_strdup (argv[1]);
|
||||
} else {
|
||||
uri = g_filename_to_uri (argv[1], NULL, NULL);
|
||||
}
|
||||
gst_replace_create_pipeline_playbin (replace, uri);
|
||||
g_free (uri);
|
||||
} else {
|
||||
gst_replace_create_pipeline (replace);
|
||||
}
|
||||
|
||||
gst_replace_start (replace);
|
||||
|
||||
main_loop = g_main_loop_new (NULL, TRUE);
|
||||
replace->main_loop = main_loop;
|
||||
|
||||
g_main_loop_run (main_loop);
|
||||
|
||||
exit (0);
|
||||
}
|
||||
|
||||
|
||||
GstReplace *
|
||||
gst_replace_new (void)
|
||||
{
|
||||
GstReplace *replace;
|
||||
|
||||
replace = g_new0 (GstReplace, 1);
|
||||
|
||||
return replace;
|
||||
}
|
||||
|
||||
void
|
||||
gst_replace_free (GstReplace *replace)
|
||||
{
|
||||
if (replace->source_element) {
|
||||
gst_object_unref (replace->source_element);
|
||||
replace->source_element = NULL;
|
||||
}
|
||||
if (replace->sink_element) {
|
||||
gst_object_unref (replace->sink_element);
|
||||
replace->sink_element = NULL;
|
||||
}
|
||||
|
||||
if (replace->pipeline) {
|
||||
gst_element_set_state (replace->pipeline, GST_STATE_NULL);
|
||||
gst_object_unref (replace->pipeline);
|
||||
replace->pipeline = NULL;
|
||||
}
|
||||
g_free (replace);
|
||||
}
|
||||
|
||||
void
|
||||
gst_replace_create_pipeline_playbin (GstReplace *replace, const char *uri)
|
||||
{
|
||||
GstElement *pipeline;
|
||||
GError *error = NULL;
|
||||
|
||||
pipeline = gst_pipeline_new (NULL);
|
||||
gst_bin_add (GST_BIN(pipeline),
|
||||
gst_element_factory_make ("playbin2", "source"));
|
||||
|
||||
if (error) {
|
||||
g_print("pipeline parsing error: %s\n", error->message);
|
||||
gst_object_unref (pipeline);
|
||||
return;
|
||||
}
|
||||
|
||||
replace->pipeline = pipeline;
|
||||
|
||||
gst_pipeline_set_auto_flush_bus (GST_PIPELINE(pipeline), FALSE);
|
||||
replace->bus = gst_pipeline_get_bus (GST_PIPELINE(pipeline));
|
||||
gst_bus_add_watch (replace->bus, gst_replace_handle_message, replace);
|
||||
|
||||
replace->source_element = gst_bin_get_by_name (GST_BIN(pipeline), "source");
|
||||
g_print("source_element is %p\n", replace->source_element);
|
||||
|
||||
g_print("setting uri to %s\n", uri);
|
||||
g_object_set (replace->source_element, "uri", uri, NULL);
|
||||
}
|
||||
|
||||
void
|
||||
gst_replace_create_pipeline (GstReplace *replace)
|
||||
{
|
||||
GString *pipe_desc;
|
||||
GstElement *pipeline;
|
||||
GError *error = NULL;
|
||||
|
||||
pipe_desc = g_string_new ("");
|
||||
|
||||
g_string_append (pipe_desc, "videotestsrc name=source num-buffers=100 ! ");
|
||||
g_string_append (pipe_desc, "timeoverlay ! ");
|
||||
g_string_append (pipe_desc, "xvimagesink name=sink ");
|
||||
g_string_append (pipe_desc, "audiotestsrc samplesperbuffer=1600 num-buffers=100 ! ");
|
||||
g_string_append (pipe_desc, "alsasink ");
|
||||
|
||||
if (verbose) g_print ("pipeline: %s\n", pipe_desc->str);
|
||||
|
||||
pipeline = (GstElement *) gst_parse_launch (pipe_desc->str, &error);
|
||||
g_string_free (pipe_desc, FALSE);
|
||||
|
||||
if (error) {
|
||||
g_print("pipeline parsing error: %s\n", error->message);
|
||||
gst_object_unref (pipeline);
|
||||
return;
|
||||
}
|
||||
|
||||
replace->pipeline = pipeline;
|
||||
|
||||
gst_pipeline_set_auto_flush_bus (GST_PIPELINE(pipeline), FALSE);
|
||||
replace->bus = gst_pipeline_get_bus (GST_PIPELINE(pipeline));
|
||||
gst_bus_add_watch (replace->bus, gst_replace_handle_message, replace);
|
||||
|
||||
replace->source_element = gst_bin_get_by_name (GST_BIN(pipeline), "source");
|
||||
replace->sink_element = gst_bin_get_by_name (GST_BIN(pipeline), "sink");
|
||||
}
|
||||
|
||||
void
|
||||
gst_replace_start (GstReplace *replace)
|
||||
{
|
||||
gst_element_set_state (replace->pipeline, GST_STATE_READY);
|
||||
|
||||
replace->timer_id = g_timeout_add (1000, onesecond_timer, replace);
|
||||
}
|
||||
|
||||
void
|
||||
gst_replace_stop (GstReplace *replace)
|
||||
{
|
||||
gst_element_set_state (replace->pipeline, GST_STATE_NULL);
|
||||
|
||||
g_source_remove (replace->timer_id);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_replace_handle_eos (GstReplace *replace)
|
||||
{
|
||||
gst_replace_stop (replace);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_replace_handle_error (GstReplace *replace, GError *error,
|
||||
const char *debug)
|
||||
{
|
||||
g_print ("error: %s\n", error->message);
|
||||
gst_replace_stop (replace);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_replace_handle_warning (GstReplace *replace, GError *error,
|
||||
const char *debug)
|
||||
{
|
||||
g_print ("warning: %s\n", error->message);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_replace_handle_info (GstReplace *replace, GError *error,
|
||||
const char *debug)
|
||||
{
|
||||
g_print ("info: %s\n", error->message);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_replace_handle_null_to_ready (GstReplace *replace)
|
||||
{
|
||||
gst_element_set_state (replace->pipeline, GST_STATE_PAUSED);
|
||||
|
||||
}
|
||||
|
||||
static void
|
||||
gst_replace_handle_ready_to_paused (GstReplace *replace)
|
||||
{
|
||||
if (!replace->paused_for_buffering) {
|
||||
gst_element_set_state (replace->pipeline, GST_STATE_PLAYING);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gst_replace_handle_paused_to_playing (GstReplace *replace)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
static void
|
||||
gst_replace_handle_playing_to_paused (GstReplace *replace)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
static void
|
||||
gst_replace_handle_paused_to_ready (GstReplace *replace)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
static void
|
||||
gst_replace_handle_ready_to_null (GstReplace *replace)
|
||||
{
|
||||
g_main_loop_quit (replace->main_loop);
|
||||
|
||||
}
|
||||
|
||||
|
||||
static gboolean
|
||||
gst_replace_handle_message (GstBus *bus, GstMessage *message,
|
||||
gpointer data)
|
||||
{
|
||||
GstReplace *replace = (GstReplace *) data;
|
||||
|
||||
switch (GST_MESSAGE_TYPE(message)) {
|
||||
case GST_MESSAGE_EOS:
|
||||
gst_replace_handle_eos (replace);
|
||||
break;
|
||||
case GST_MESSAGE_ERROR:
|
||||
{
|
||||
GError *error = NULL;
|
||||
gchar *debug;
|
||||
|
||||
gst_message_parse_error (message, &error, &debug);
|
||||
gst_replace_handle_error (replace, error, debug);
|
||||
}
|
||||
break;
|
||||
case GST_MESSAGE_WARNING:
|
||||
{
|
||||
GError *error = NULL;
|
||||
gchar *debug;
|
||||
|
||||
gst_message_parse_warning (message, &error, &debug);
|
||||
gst_replace_handle_warning (replace, error, debug);
|
||||
}
|
||||
break;
|
||||
case GST_MESSAGE_INFO:
|
||||
{
|
||||
GError *error = NULL;
|
||||
gchar *debug;
|
||||
|
||||
gst_message_parse_info (message, &error, &debug);
|
||||
gst_replace_handle_info (replace, error, debug);
|
||||
}
|
||||
break;
|
||||
case GST_MESSAGE_TAG:
|
||||
{
|
||||
GstTagList *tag_list;
|
||||
|
||||
gst_message_parse_tag (message, &tag_list);
|
||||
if (verbose) g_print("tag\n");
|
||||
}
|
||||
break;
|
||||
case GST_MESSAGE_STATE_CHANGED:
|
||||
{
|
||||
GstState oldstate, newstate, pending;
|
||||
|
||||
gst_message_parse_state_changed (message, &oldstate, &newstate,
|
||||
&pending);
|
||||
if (GST_ELEMENT(message->src) == replace->pipeline) {
|
||||
if (verbose) g_print("state change from %s to %s\n",
|
||||
gst_element_state_get_name (oldstate),
|
||||
gst_element_state_get_name (newstate));
|
||||
switch (GST_STATE_TRANSITION(oldstate, newstate)) {
|
||||
case GST_STATE_CHANGE_NULL_TO_READY:
|
||||
gst_replace_handle_null_to_ready (replace);
|
||||
break;
|
||||
case GST_STATE_CHANGE_READY_TO_PAUSED:
|
||||
gst_replace_handle_ready_to_paused (replace);
|
||||
break;
|
||||
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
|
||||
gst_replace_handle_paused_to_playing (replace);
|
||||
break;
|
||||
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
|
||||
gst_replace_handle_playing_to_paused (replace);
|
||||
break;
|
||||
case GST_STATE_CHANGE_PAUSED_TO_READY:
|
||||
gst_replace_handle_paused_to_ready (replace);
|
||||
break;
|
||||
case GST_STATE_CHANGE_READY_TO_NULL:
|
||||
gst_replace_handle_ready_to_null (replace);
|
||||
break;
|
||||
default:
|
||||
if (verbose) g_print("unknown state change from %s to %s\n",
|
||||
gst_element_state_get_name (oldstate),
|
||||
gst_element_state_get_name (newstate));
|
||||
}
|
||||
}
|
||||
}
|
||||
break;
|
||||
case GST_MESSAGE_BUFFERING:
|
||||
{
|
||||
int percent;
|
||||
gst_message_parse_buffering (message, &percent);
|
||||
//g_print("buffering %d\n", percent);
|
||||
if (!replace->paused_for_buffering && percent < 100) {
|
||||
g_print ("pausing for buffing\n");
|
||||
replace->paused_for_buffering = TRUE;
|
||||
gst_element_set_state (replace->pipeline, GST_STATE_PAUSED);
|
||||
} else if (replace->paused_for_buffering && percent == 100) {
|
||||
g_print ("unpausing for buffing\n");
|
||||
replace->paused_for_buffering = FALSE;
|
||||
gst_element_set_state (replace->pipeline, GST_STATE_PLAYING);
|
||||
}
|
||||
}
|
||||
break;
|
||||
case GST_MESSAGE_STATE_DIRTY:
|
||||
case GST_MESSAGE_CLOCK_PROVIDE:
|
||||
case GST_MESSAGE_CLOCK_LOST:
|
||||
case GST_MESSAGE_NEW_CLOCK:
|
||||
case GST_MESSAGE_STRUCTURE_CHANGE:
|
||||
case GST_MESSAGE_STREAM_STATUS:
|
||||
break;
|
||||
case GST_MESSAGE_STEP_DONE:
|
||||
case GST_MESSAGE_APPLICATION:
|
||||
case GST_MESSAGE_ELEMENT:
|
||||
case GST_MESSAGE_SEGMENT_START:
|
||||
case GST_MESSAGE_SEGMENT_DONE:
|
||||
case GST_MESSAGE_DURATION:
|
||||
case GST_MESSAGE_LATENCY:
|
||||
case GST_MESSAGE_ASYNC_START:
|
||||
case GST_MESSAGE_ASYNC_DONE:
|
||||
case GST_MESSAGE_REQUEST_STATE:
|
||||
case GST_MESSAGE_STEP_START:
|
||||
case GST_MESSAGE_QOS:
|
||||
default:
|
||||
if (verbose) {
|
||||
g_print ("message: %s\n", GST_MESSAGE_TYPE_NAME (message));
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
|
||||
|
||||
static gboolean
|
||||
onesecond_timer (gpointer priv)
|
||||
{
|
||||
//GstReplace *replace = (GstReplace *)priv;
|
||||
|
||||
g_print(".\n");
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/* helper functions */
|
||||
|
||||
#if 0
|
||||
gboolean
|
||||
have_element (const gchar *element_name)
|
||||
{
|
||||
GstPluginFeature *feature;
|
||||
|
||||
feature = gst_default_registry_find_feature (element_name,
|
||||
GST_TYPE_ELEMENT_FACTORY);
|
||||
if (feature) {
|
||||
g_object_unref (feature);
|
||||
return TRUE;
|
||||
}
|
||||
return FALSE;
|
||||
}
|
||||
#endif
|
||||
|
||||
EOF
|
||||
|
||||
}
|
||||
|
||||
generate | sed \
|
||||
-e "s/GST_BASE_REPLACE/$GST_BASE_REPLACE/g" \
|
||||
-e "s/GST_TYPE_BASE_REPLACE/$GST_TYPE_BASE_REPLACE/g" \
|
||||
-e "s/GstBaseReplace/$GstBaseReplace/g" \
|
||||
-e "s/GST_IS_REPLACE/$GST_IS_REPLACE/g" \
|
||||
-e "s/GST_REPLACE/$GST_REPLACE/g" \
|
||||
-e "s/GST_TYPE_REPLACE/$GST_TYPE_REPLACE/g" \
|
||||
-e "s/GstReplace/$GstReplace/g" \
|
||||
-e "s/gst_replace/$gst_replace/g" \
|
||||
-e "s/gstreplace/$gstreplace/g" \
|
||||
-e "s/replace/$replace/g" >$gstreplace.c
|
||||
|
||||
gst-indent $gstreplace.c
|
||||
|
||||
gcc -Wall $(pkg-config --cflags gstreamer-0.10) -c -o $gstreplace.o $gstreplace.c
|
||||
gcc -o $gstreplace $gstreplace.o $(pkg-config --libs gstreamer-0.10)
|
||||
|
||||
|
||||
Loading…
Reference in a new issue