gstreamer/validate/tools/gst-validate.c

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/* GStreamer
*
* Copyright (C) 2013 Collabora Ltd.
* Author: Thiago Sousa Santos <thiago.sousa.santos@collabora.com>
*
* gst-validate.c - Validate CLI launch line tool
*
* 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 2.1 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.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdlib.h>
#include <string.h>
#include <gst/gst.h>
#include <gio/gio.h>
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#include <gst/validate/validate.h>
#include <gst/validate/gst-validate-scenario.h>
#include <gst/validate/gst-validate-utils.h>
#include <gst/validate/media-descriptor-parser.h>
#include <gst/validate/gst-validate-bin-monitor.h>
#ifdef G_OS_UNIX
#include <glib-unix.h>
#endif
#include <locale.h> /* for LC_ALL */
static gint ret = 0;
static GMainLoop *mainloop;
static GstElement *pipeline;
static gboolean buffering = FALSE;
static gboolean is_live = FALSE;
#ifdef G_OS_UNIX
static gboolean
intr_handler (gpointer user_data)
{
g_print ("interrupt received.\n");
GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
GST_DEBUG_GRAPH_SHOW_ALL, "gst-validate.interupted");
g_main_loop_quit (mainloop);
ret = SIGINT;
/* Keep signal handler, it will be removed later anyway */
return TRUE;
}
#endif /* G_OS_UNIX */
typedef struct
{
GMainLoop *mainloop;
GstValidateMonitor *monitor;
} BusCallbackData;
static gboolean
bus_callback (GstBus * bus, GstMessage * message, gpointer data)
{
BusCallbackData *bus_callback_data = data;
GMainLoop *loop = bus_callback_data->mainloop;
GstValidateMonitor *monitor = bus_callback_data->monitor;
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_ERROR:
{
GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
GST_DEBUG_GRAPH_SHOW_ALL, "gst-validate.error");
g_main_loop_quit (loop);
break;
}
case GST_MESSAGE_EOS:
if (!g_getenv ("GST_VALIDATE_SCENARIO"))
g_main_loop_quit (loop);
break;
case GST_MESSAGE_ASYNC_DONE:
break;
case GST_MESSAGE_STATE_CHANGED:
if (GST_MESSAGE_SRC (message) == GST_OBJECT (pipeline)) {
GstState oldstate, newstate, pending;
gchar *dump_name;
gchar *state_transition_name;
gst_message_parse_state_changed (message, &oldstate, &newstate,
&pending);
GST_DEBUG ("State changed (old: %s, new: %s, pending: %s)",
gst_element_state_get_name (oldstate),
gst_element_state_get_name (newstate),
gst_element_state_get_name (pending));
state_transition_name = g_strdup_printf ("%s_%s",
gst_element_state_get_name (oldstate),
gst_element_state_get_name (newstate));
dump_name = g_strconcat ("ges-launch.", state_transition_name, NULL);
GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
GST_DEBUG_GRAPH_SHOW_ALL, dump_name);
g_free (dump_name);
g_free (state_transition_name);
}
break;
case GST_MESSAGE_WARNING:{
GError *gerror;
gchar *debug;
gchar *name = gst_object_get_path_string (GST_MESSAGE_SRC (message));
/* dump graph on warning */
GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
GST_DEBUG_GRAPH_SHOW_ALL, "gst-validate.warning");
gst_message_parse_warning (message, &gerror, &debug);
g_print ("WARNING: from element %s: %s\n", name, gerror->message);
if (debug)
g_print ("Additional debug info:\n%s\n", debug);
g_error_free (gerror);
g_free (debug);
g_free (name);
break;
}
case GST_MESSAGE_BUFFERING:{
gint percent;
GstBufferingMode mode;
GstState target_state = GST_STATE_PLAYING;
gboolean monitor_handles_state;
g_object_get (monitor, "handles-states", &monitor_handles_state, NULL);
if (monitor_handles_state && GST_IS_VALIDATE_BIN_MONITOR (monitor)) {
target_state =
gst_validate_scenario_get_target_state (GST_VALIDATE_BIN_MONITOR
(monitor)->scenario);
}
if (!buffering) {
g_print ("\n");
}
gst_message_parse_buffering (message, &percent);
gst_message_parse_buffering_stats (message, &mode, NULL, NULL, NULL);
g_print ("%s %d%% \r", "Buffering...", percent);
/* no state management needed for live pipelines */
if (mode == GST_BUFFERING_LIVE) {
is_live = TRUE;
break;
}
if (percent == 100) {
/* a 100% message means buffering is done */
if (buffering) {
buffering = FALSE;
if (target_state == GST_STATE_PLAYING) {
g_print ("Done buffering, setting pipeline to PLAYING\n");
gst_element_set_state (pipeline, GST_STATE_PLAYING);
} else {
g_print ("Done buffering, staying in PAUSED\n");
}
}
} else {
/* buffering... */
if (!buffering) {
g_print ("Start buffering, setting pipeline to PAUSED\n");
gst_element_set_state (pipeline, GST_STATE_PAUSED);
buffering = TRUE;
}
}
break;
}
case GST_MESSAGE_REQUEST_STATE:
{
GstState state;
gst_message_parse_request_state (message, &state);
if (GST_IS_VALIDATE_SCENARIO (GST_MESSAGE_SRC (message))
&& state == GST_STATE_NULL) {
gst_validate_printf (GST_MESSAGE_SRC (message),
"State change request NULL, " "quiting mainloop\n");
g_main_loop_quit (mainloop);
}
break;
}
default:
break;
}
return TRUE;
}
static gboolean
_is_playbin_pipeline (int argc, gchar ** argv)
{
gint i;
for (i = 0; i < argc; i++) {
if (g_strcmp0 (argv[i], "playbin") == 0) {
return TRUE;
}
}
return FALSE;
}
static gboolean
_execute_set_subtitles (GstValidateScenario * scenario,
GstValidateAction * action)
{
gchar *uri, *fname;
GFile *tmpfile, *folder;
const gchar *subtitle_file, *subtitle_dir;
subtitle_file = gst_structure_get_string (action->structure, "subtitle-file");
g_return_val_if_fail (subtitle_file != NULL, FALSE);
subtitle_dir = gst_structure_get_string (action->structure, "subtitle-dir");
g_object_get (scenario->pipeline, "current-uri", &uri, NULL);
tmpfile = g_file_new_for_uri (uri);
g_free (uri);
folder = g_file_get_parent (tmpfile);
fname = g_strdup_printf ("%s%s%s%s",
subtitle_dir ? subtitle_dir : "",
subtitle_dir ? G_DIR_SEPARATOR_S : "",
g_file_get_basename (tmpfile), subtitle_file);
gst_object_unref (tmpfile);
tmpfile = g_file_get_child (folder, fname);
g_free (fname);
gst_object_unref (folder);
uri = g_file_get_uri (tmpfile);
gst_validate_printf (action, "Setting subtitle file to: %s", uri);
g_object_set (scenario->pipeline, "suburi", uri, NULL);
g_free (uri);
return TRUE;
}
static GstPadProbeReturn
_check_pad_selection_done (GstPad * pad, GstPadProbeInfo * info,
GstValidateAction * action)
{
if (GST_BUFFER_FLAG_IS_SET (info->data, GST_BUFFER_FLAG_DISCONT)) {
gst_validate_action_set_done (action);
return GST_PAD_PROBE_REMOVE;
}
return GST_PAD_PROBE_OK;
}
static gboolean
_execute_switch_track (GstValidateScenario * scenario,
GstValidateAction * action)
{
gint index, n;
GstPad *srcpad;
GstElement *combiner;
GstPad *oldpad, *newpad;
const gchar *type, *str_index;
gint flags, current, tflag;
gchar *tmp, *current_txt;
gint res = GST_VALIDATE_EXECUTE_ACTION_OK;
gboolean relative = FALSE, disabling = FALSE;
if (!(type = gst_structure_get_string (action->structure, "type")))
type = "audio";
tflag =
gst_validate_utils_flags_from_str (g_type_from_name ("GstPlayFlags"),
type);
current_txt = g_strdup_printf ("current-%s", type);
tmp = g_strdup_printf ("n-%s", type);
g_object_get (scenario->pipeline, "flags", &flags, tmp, &n,
current_txt, &current, NULL);
g_free (tmp);
if (gst_structure_has_field (action->structure, "disable")) {
disabling = TRUE;
flags &= ~tflag;
index = -1;
} else if (!(str_index =
gst_structure_get_string (action->structure, "index"))) {
if (!gst_structure_get_int (action->structure, "index", &index)) {
GST_WARNING ("No index given, defaulting to +1");
index = 1;
relative = TRUE;
}
} else {
relative = strchr ("+-", str_index[0]) != NULL;
index = g_ascii_strtoll (str_index, NULL, 10);
}
if (relative) { /* We are changing track relatively to current track */
index = current + index;
if (current >= n)
index = -2;
}
if (!disabling) {
GstState state, next;
tmp = g_strdup_printf ("get-%s-pad", type);
g_signal_emit_by_name (G_OBJECT (scenario->pipeline), tmp, current,
&oldpad);
g_signal_emit_by_name (G_OBJECT (scenario->pipeline), tmp, index, &newpad);
gst_validate_printf (action, "Switching to track number: %i,"
" (from %s:%s to %s:%s)\n", index, GST_DEBUG_PAD_NAME (oldpad),
GST_DEBUG_PAD_NAME (newpad));
flags |= tflag;
g_free (tmp);
if (gst_element_get_state (scenario->pipeline, &state, &next, 0) &&
state == GST_STATE_PLAYING && next == GST_STATE_VOID_PENDING) {
combiner = GST_ELEMENT (gst_object_get_parent (GST_OBJECT (newpad)));
srcpad = gst_element_get_static_pad (combiner, "src");
gst_object_unref (combiner);
gst_pad_add_probe (srcpad,
GST_PAD_PROBE_TYPE_BUFFER | GST_PAD_PROBE_TYPE_BUFFER_LIST,
(GstPadProbeCallback) _check_pad_selection_done, action, NULL);
gst_object_unref (srcpad);
res = GST_VALIDATE_EXECUTE_ACTION_ASYNC;
}
} else {
gst_validate_printf (action, "Disabling track type %s", type);
}
g_object_set (scenario->pipeline, "flags", flags, current_txt, index, NULL);
g_free (current_txt);
return res;
}
static void
_register_playbin_actions (void)
{
/* *INDENT-OFF* */
gst_validate_register_action_type ("set-subtitle", "validate-launcher", _execute_set_subtitles,
(GstValidateActionParameter []) {
{
.name = "subtitle-file",
.description = "Sets a subtitles file on a playbin pipeline",
.mandatory = TRUE,
.types = "string (A URI)",
NULL
},
{NULL}
},
"Action to set a subtitle file to use on a playbin pipeline.\n"
"The subtitles file that will be used should will be specified\n"
"relatively to the playbin URI in use thanks to the subtitle-file\n"
"action property. You can also specify a folder with subtitle-dir\n"
"For example if playbin.uri='file://some/uri.mov\n"
"and action looks like 'set-subtitle, subtitle-file=en.srt'\n"
"the subtitle URI will be set to 'file:///some/uri.mov.en.srt'\n",
FALSE);
/* Overriding default implementation */
gst_validate_register_action_type ("switch-track", "validate-launcher", _execute_switch_track,
(GstValidateActionParameter []) {
{
.name = "type",
.description = "Selects which track type to change (can be 'audio', 'video',"
" or 'text').",
.mandatory = FALSE,
.types = "string",
.possible_variables = NULL,
.def = "audio",
},
{
.name = "index",
.description = "Selects which track of this type to use: it can be either a number,\n"
"which will be the Nth track of the given type, or a number with a '+' or\n"
"'-' prefix, which means a relative change (eg, '+1' means 'next track',\n"
"'-1' means 'previous track')",
.mandatory = FALSE,
.types = "string: to switch track relatively\n"
"int: To use the actual index to use",
.possible_variables = NULL,
.def = "+1",
},
{NULL}
},
"The 'switch-track' command can be used to switch tracks.\n"
"The 'type' argument selects which track type to change (can be 'audio', 'video',"
" or 'text').\nThe 'index' argument selects which track of this type\n"
"to use: it can be either a number, which will be the Nth track of\n"
"the given type, or a number with a '+' or '-' prefix, which means\n"
"a relative change (eg, '+1' means 'next track', '-1' means 'previous\n"
"track'), note that you need to state that it is a string in the scenario file\n"
"prefixing it with (string).", FALSE);
/* *INDENT-ON* */
}
int
main (int argc, gchar ** argv)
{
GError *err = NULL;
gchar *scenario = NULL, *configs = NULL, *media_info = NULL;
gboolean list_scenarios = FALSE, monitor_handles_state,
inspect_action_type = FALSE;
GstStateChangeReturn sret;
gchar *output_file = NULL;
BusCallbackData bus_callback_data = { 0, };
#ifdef G_OS_UNIX
guint signal_watch_id;
#endif
int rep_err;
GOptionEntry options[] = {
{"set-scenario", '\0', 0, G_OPTION_ARG_FILENAME, &scenario,
"Let you set a scenario, it can be a full path to a scenario file"
" or the name of the scenario (name of the file without the"
" '.scenario' extension).", NULL},
{"list-scenarios", 'l', 0, G_OPTION_ARG_NONE, &list_scenarios,
"List the avalaible scenarios that can be run", NULL},
{"scenarios-defs-output-file", '\0', 0, G_OPTION_ARG_FILENAME,
&output_file, "The output file to store scenarios details. "
"Implies --list-scenario",
NULL},
{"inspect-action-type", 't', 0, G_OPTION_ARG_NONE, &inspect_action_type,
"Inspect the avalaible action types with which to write scenarios"
" if no parameter passed, it will list all avalaible action types"
" otherwize will print the full description of the wanted types",
NULL},
{"set-media-info", '\0', 0, G_OPTION_ARG_FILENAME, &media_info,
"Set a media_info XML file descriptor to share information about the"
" media file that will be reproduced.",
NULL},
{"set-configs", '\0', 0, G_OPTION_ARG_STRING, &configs,
"Let you set a config scenario, the scenario needs to be set as 'config"
"' you can specify a list of scenario separated by ':'"
" it will override the GST_VALIDATE_SCENARIO environment variable.",
NULL},
{NULL}
};
GOptionContext *ctx;
gchar **argvn;
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GstValidateRunner *runner;
GstValidateMonitor *monitor;
GstBus *bus;
setlocale (LC_ALL, "");
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g_set_prgname ("gst-validate-" GST_API_VERSION);
ctx = g_option_context_new ("PIPELINE-DESCRIPTION");
g_option_context_add_main_entries (ctx, options, NULL);
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g_option_context_set_summary (ctx, "Runs a gst launch pipeline, adding "
"monitors to it to identify issues in the used elements. At the end"
" a report will be printed. To view issues as they are created, set"
" the env var GST_DEBUG=validate:2 and it will be printed "
"as gstreamer debugging");
if (argc == 1) {
g_print ("%s", g_option_context_get_help (ctx, FALSE, NULL));
exit (1);
}
if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
g_printerr ("Error initializing: %s\n", err->message);
g_option_context_free (ctx);
g_clear_error (&err);
exit (1);
}
if (scenario || configs) {
gchar *scenarios;
if (scenario)
scenarios = g_strjoin (":", scenario, configs, NULL);
else
scenarios = g_strdup (configs);
g_setenv ("GST_VALIDATE_SCENARIO", scenarios, TRUE);
g_free (scenarios);
g_free (scenario);
g_free (configs);
}
gst_init (&argc, &argv);
gst_validate_init ();
if (list_scenarios || output_file) {
if (gst_validate_list_scenarios (argv + 1, argc - 1, output_file))
return 1;
return 0;
}
if (inspect_action_type) {
_register_playbin_actions ();
if (!gst_validate_print_action_types ((const gchar **) argv + 1, argc - 1)) {
GST_ERROR ("Could not print all wanted types");
return -1;
}
return 0;
}
if (argc == 1) {
g_print ("%s", g_option_context_get_help (ctx, FALSE, NULL));
g_option_context_free (ctx);
exit (1);
}
g_option_context_free (ctx);
/* Create the pipeline */
argvn = g_new0 (char *, argc);
memcpy (argvn, argv + 1, sizeof (char *) * (argc - 1));
pipeline = (GstElement *) gst_parse_launchv ((const gchar **) argvn, &err);
g_free (argvn);
if (!pipeline) {
g_print ("Failed to create pipeline: %s\n",
err ? err->message : "unknown reason");
g_clear_error (&err);
exit (1);
}
if (!GST_IS_PIPELINE (pipeline)) {
GstElement *new_pipeline = gst_pipeline_new ("");
gst_bin_add (GST_BIN (new_pipeline), pipeline);
pipeline = new_pipeline;
}
gst_pipeline_set_auto_flush_bus (GST_PIPELINE (pipeline), FALSE);
#ifdef G_OS_UNIX
signal_watch_id =
g_unix_signal_add (SIGINT, (GSourceFunc) intr_handler, pipeline);
#endif
if (_is_playbin_pipeline (argc, argv + 1)) {
_register_playbin_actions ();
}
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runner = gst_validate_runner_new ();
if (!runner) {
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g_printerr ("Failed to setup Validate Runner\n");
exit (1);
}
monitor = gst_validate_monitor_factory_create (GST_OBJECT_CAST (pipeline),
runner, NULL);
gst_validate_reporter_set_handle_g_logs (GST_VALIDATE_REPORTER (monitor));
if (media_info) {
GError *err = NULL;
GstMediaDescriptorParser *parser = gst_media_descriptor_parser_new (runner,
media_info, &err);
if (parser == NULL) {
GST_ERROR ("Could not use %s as a media-info file (error: %s)",
media_info, err ? err->message : "Unknown error");
g_free (media_info);
exit (1);
}
gst_validate_monitor_set_media_descriptor (monitor,
GST_MEDIA_DESCRIPTOR (parser));
gst_object_unref (parser);
g_free (media_info);
}
mainloop = g_main_loop_new (NULL, FALSE);
bus = gst_element_get_bus (pipeline);
gst_bus_add_signal_watch (bus);
bus_callback_data.mainloop = mainloop;
bus_callback_data.monitor = monitor;
g_signal_connect (bus, "message", (GCallback) bus_callback,
&bus_callback_data);
g_print ("Starting pipeline\n");
g_object_get (monitor, "handles-states", &monitor_handles_state, NULL);
if (monitor_handles_state == FALSE) {
sret = gst_element_set_state (pipeline, GST_STATE_PLAYING);
switch (sret) {
case GST_STATE_CHANGE_FAILURE:
/* ignore, we should get an error message posted on the bus */
g_print ("Pipeline failed to go to PLAYING state\n");
gst_element_set_state (pipeline, GST_STATE_NULL);
ret = -1;
goto exit;
case GST_STATE_CHANGE_NO_PREROLL:
g_print ("Pipeline is live.\n");
is_live = TRUE;
break;
case GST_STATE_CHANGE_ASYNC:
g_print ("Prerolling...\r");
break;
default:
break;
}
g_print ("Pipeline started\n");
} else {
g_print ("Letting scenario handle set state\n");
}
g_main_loop_run (mainloop);
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_element_get_state (pipeline, NULL, NULL, GST_CLOCK_TIME_NONE);
/* Clean the bus */
gst_bus_set_flushing (bus, TRUE);
gst_bus_remove_signal_watch (bus);
gst_object_unref (bus);
rep_err = gst_validate_runner_exit (runner, TRUE);
if (ret == 0) {
ret = rep_err;
if (rep_err != 0)
g_print ("Returning %d as error where found", rep_err);
}
exit:
g_main_loop_unref (mainloop);
g_object_unref (pipeline);
g_object_unref (runner);
g_object_unref (monitor);
g_clear_error (&err);
#ifdef G_OS_UNIX
g_source_remove (signal_watch_id);
#endif
gst_deinit ();
g_print ("\n=======> Test %s (Return value: %i)\n\n",
ret == 0 ? "PASSED" : "FAILED", ret);
gst_validate_deinit ();
return ret;
}