Commit d4b0274d authored by Edward Hervey's avatar Edward Hervey

tools: Standalone tool for discovering media file properties

Fixes #625944
parent 440865f1
......@@ -2,3 +2,4 @@ gst-launch-ext-?.*
gst-visualise-?.*
gst-launch-ext-?.*.1
gst-visualise-?.*.1
gst-discoverer
......@@ -4,10 +4,20 @@ bin_SCRIPTS = \
man_MANS = \
gst-visualise-@GST_MAJORMINOR@.1
CLEANFILES = $(man_MANS) $(bin_SCRIPTS)
bin_PROGRAMS = \
gst-discoverer
CLEANFILES = $(man_MANS) $(bin_SCRIPTS) $(bin_PROGRAMS)
EXTRA_DIST = \
gst-visualise-m.m gst-visualise.1.in
gst-visualise-m.m gst-visualise.1.in \
gst-discoverer.c
LDADD = $(top_builddir)/gst-libs/gst/pbutils/libgstpbutils-@GST_MAJORMINOR@.la\
-lgstpbutils-@GST_MAJORMINOR@ \
$(GST_LIBS)
AM_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) $(GST_CFLAGS)
# generate versioned scripts from templates
%-@GST_MAJORMINOR@: %-m.m
......
/* GStreamer
* Copyright (C) 2009 Edward Hervey <edward.hervey@collabora.co.uk>
*
* 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 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 <glib.h>
#include <gst/gst.h>
#include <gst/pbutils/pbutils.h>
static gboolean async = FALSE;
static gboolean silent = FALSE;
static gboolean verbose = FALSE;
typedef struct
{
GstDiscoverer *dc;
int argc;
char **argv;
} PrivStruct;
#define my_g_string_append_printf(str, format, ...) \
g_string_append_printf (str, "%*s" format, 2*depth, " ", ##__VA_ARGS__)
static gchar *
gst_stream_audio_information_to_string (GstDiscovererStreamInfo * info,
gint depth)
{
GString *s;
gchar *tmp;
int len = 400;
const GstTagList *tags;
GstCaps *caps;
g_return_val_if_fail (info != NULL, NULL);
s = g_string_sized_new (len);
my_g_string_append_printf (s, "Codec:\n");
caps = gst_discoverer_stream_info_get_caps (info);
tmp = gst_caps_to_string (caps);
gst_caps_unref (caps);
my_g_string_append_printf (s, " %s\n", tmp);
g_free (tmp);
my_g_string_append_printf (s, "Additional info:\n");
if (gst_discoverer_stream_info_get_misc (info)) {
tmp = gst_structure_to_string (gst_discoverer_stream_info_get_misc (info));
my_g_string_append_printf (s, " %s\n", tmp);
g_free (tmp);
} else {
my_g_string_append_printf (s, " None\n");
}
my_g_string_append_printf (s, "Channels: %u\n",
gst_discoverer_audio_info_get_channels (info));
my_g_string_append_printf (s, "Sample rate: %u\n",
gst_discoverer_audio_info_get_sample_rate (info));
my_g_string_append_printf (s, "Depth: %u\n",
gst_discoverer_audio_info_get_depth (info));
my_g_string_append_printf (s, "Bitrate: %u\n",
gst_discoverer_audio_info_get_bitrate (info));
my_g_string_append_printf (s, "Max bitrate: %u\n",
gst_discoverer_audio_info_get_max_bitrate (info));
my_g_string_append_printf (s, "Tags:\n");
tags = gst_discoverer_stream_info_get_tags (info);
if (tags) {
tmp = gst_structure_to_string ((GstStructure *) tags);
my_g_string_append_printf (s, " %s\n", tmp);
g_free (tmp);
} else {
my_g_string_append_printf (s, " None\n");
}
if (verbose)
my_g_string_append_printf (s, "\n");
return g_string_free (s, FALSE);
}
static gchar *
gst_stream_video_information_to_string (GstDiscovererStreamInfo * info,
gint depth)
{
GString *s;
gchar *tmp;
int len = 500;
const GstStructure *misc;
const GstTagList *tags;
GstCaps *caps;
g_return_val_if_fail (info != NULL, NULL);
s = g_string_sized_new (len);
my_g_string_append_printf (s, "Codec:\n");
caps = gst_discoverer_stream_info_get_caps (info);
tmp = gst_caps_to_string (caps);
gst_caps_unref (caps);
my_g_string_append_printf (s, " %s\n", tmp);
g_free (tmp);
my_g_string_append_printf (s, "Additional info:\n");
misc = gst_discoverer_stream_info_get_misc (info);
if (misc) {
tmp = gst_structure_to_string (misc);
my_g_string_append_printf (s, " %s\n", tmp);
g_free (tmp);
} else {
my_g_string_append_printf (s, " None\n");
}
my_g_string_append_printf (s, "Width: %u\n",
gst_discoverer_video_info_get_width (info));
my_g_string_append_printf (s, "Height: %u\n",
gst_discoverer_video_info_get_height (info));
my_g_string_append_printf (s, "Depth: %u\n",
gst_discoverer_video_info_get_depth (info));
my_g_string_append_printf (s, "Frame rate: %u/%u\n",
gst_discoverer_video_info_get_framerate_num (info),
gst_discoverer_video_info_get_framerate_denom (info));
my_g_string_append_printf (s, "Pixel aspect ratio: %u/%u\n",
gst_discoverer_video_info_get_par_num (info),
gst_discoverer_video_info_get_par_denom (info));
my_g_string_append_printf (s, "Interlaced: %s\n",
gst_discoverer_video_info_get_interlaced (info) ? "true" : "false");
my_g_string_append_printf (s, "Bitrate: %u\n",
gst_discoverer_video_info_get_bitrate (info));
my_g_string_append_printf (s, "Max bitrate: %u\n",
gst_discoverer_video_info_get_max_bitrate (info));
my_g_string_append_printf (s, "Tags:\n");
tags = gst_discoverer_stream_info_get_tags (info);
if (tags) {
tmp = gst_structure_to_string ((GstStructure *) tags);
my_g_string_append_printf (s, " %s\n", tmp);
g_free (tmp);
} else {
my_g_string_append_printf (s, " None\n");
}
if (verbose)
my_g_string_append_printf (s, "\n");
return g_string_free (s, FALSE);
}
static void
print_stream_info (GstDiscovererStreamInfo * info, void *depth)
{
gchar *desc = NULL;
GstCaps *caps;
caps = gst_discoverer_stream_info_get_caps (info);
if (caps) {
if (gst_caps_is_fixed (caps) && !verbose)
desc = gst_pb_utils_get_codec_description (caps);
else
desc = gst_caps_to_string (caps);
gst_caps_unref (caps);
}
g_print ("%*s%s: %s\n", 2 * GPOINTER_TO_INT (depth), " ",
gst_discoverer_stream_info_get_stream_type_nick (info), desc);
if (desc) {
g_free (desc);
desc = NULL;
}
if (verbose) {
if (GST_IS_DISCOVERER_AUDIO_INFO (info))
desc =
gst_stream_audio_information_to_string (info,
GPOINTER_TO_INT (depth) + 1);
else if (GST_IS_DISCOVERER_VIDEO_INFO (info))
desc =
gst_stream_video_information_to_string (info,
GPOINTER_TO_INT (depth) + 1);
}
if (desc) {
g_print ("%s", desc);
g_free (desc);
}
}
static void
print_topology (GstDiscovererStreamInfo * info, gint depth)
{
GstDiscovererStreamInfo *next;
if (!info)
return;
print_stream_info (info, GINT_TO_POINTER (depth));
next = gst_discoverer_stream_info_get_next (info);
if (next) {
print_topology (next, depth + 1);
gst_discoverer_stream_info_unref (next);
} else if (GST_IS_DISCOVERER_CONTAINER_INFO (info)) {
GList *tmp, *streams;
streams = gst_discoverer_container_info_get_streams (info);
for (tmp = streams; tmp; tmp = tmp->next) {
GstDiscovererStreamInfo *tmpinf = (GstDiscovererStreamInfo *) tmp->data;
print_topology (tmpinf, depth + 1);
}
gst_discoverer_stream_info_list_free (streams);
}
}
static void
print_duration (GstDiscovererInfo * info, gint tab)
{
g_print ("%*s%" GST_TIME_FORMAT "\n", tab + 1, " ",
GST_TIME_ARGS (gst_discoverer_info_get_duration (info)));
}
static void
print_info (GstDiscovererInfo * info, GError * err)
{
GstDiscovererResult result = gst_discoverer_info_get_result (info);
g_print ("Done discovering %s\n", gst_discoverer_info_get_uri (info));
if (result & GST_DISCOVERER_URI_INVALID)
g_print ("URI is not valid\n");
else if (result & GST_DISCOVERER_TIMEOUT)
g_print ("Timeout !\n");
if (result & GST_DISCOVERER_ERROR) {
g_print ("An error was encountered while discovering the file\n");
g_print (" %s\n", err->message);
if (verbose && (result & GST_DISCOVERER_MISSING_PLUGINS)) {
gchar *tmp =
gst_structure_to_string (gst_discoverer_info_get_misc (info));
g_print (" (%s)\n", tmp);
g_free (tmp);
}
return;
}
if (!(result & (GST_DISCOVERER_ERROR | GST_DISCOVERER_TIMEOUT))) {
GstDiscovererStreamInfo *sinfo = gst_discoverer_info_get_stream_info (info);
g_print ("\nTopology:\n");
print_topology (sinfo, 1);
g_print ("\nDuration:\n");
print_duration (info, 1);
gst_discoverer_stream_info_unref (sinfo);
}
g_print ("\n");
}
static void
process_file (GstDiscoverer * dc, const gchar * filename)
{
GError *err = NULL;
GDir *dir;
gchar *uri, *path;
GstDiscovererInfo *info;
GstStructure *st = NULL;
if (!gst_uri_is_valid (filename)) {
/* Recurse into directories */
if ((dir = g_dir_open (filename, 0, NULL))) {
const gchar *entry;
while ((entry = g_dir_read_name (dir))) {
gchar *path;
path = g_strconcat (filename, G_DIR_SEPARATOR_S, entry, NULL);
process_file (dc, path);
g_free (path);
}
g_dir_close (dir);
return;
}
if (!g_path_is_absolute (filename)) {
gchar *cur_dir;
cur_dir = g_get_current_dir ();
path = g_build_filename (cur_dir, filename, NULL);
g_free (cur_dir);
} else {
path = g_strdup (filename);
}
uri = g_filename_to_uri (path, NULL, &err);
g_free (path);
path = NULL;
if (err) {
g_warning ("Couldn't convert filename to URI: %s\n", err->message);
g_error_free (err);
return;
}
} else {
uri = g_strdup (filename);
}
if (async == FALSE) {
g_print ("Analyzing %s\n", uri);
info = gst_discoverer_discover_uri (dc, uri, &err);
print_info (info, err);
gst_discoverer_info_unref (info);
if (st)
gst_structure_free (st);
} else {
gst_discoverer_discover_uri_async (dc, uri);
}
g_free (uri);
}
static void
_new_discovered_uri (GstDiscoverer * dc, GstDiscovererInfo * info, GError * err)
{
print_info (info, err);
}
static gboolean
_run_async (PrivStruct * ps)
{
gint i;
for (i = 1; i < ps->argc; i++)
process_file (ps->dc, ps->argv[i]);
return FALSE;
}
static void
_discoverer_ready (GstDiscoverer * dc, GMainLoop * ml)
{
g_main_loop_quit (ml);
}
int
main (int argc, char **argv)
{
GError *err = NULL;
GstDiscoverer *dc;
gint timeout = 10;
GOptionEntry options[] = {
{"async", 'a', 0, G_OPTION_ARG_NONE, &async,
"Run asynchronously", NULL},
{"silent", 's', 0, G_OPTION_ARG_NONE, &silent,
"Don't output the information structure", NULL},
{"timeout", 't', 0, G_OPTION_ARG_INT, &timeout,
"Specify timeout (in seconds, default 10)", "T"},
/* {"elem", 'e', 0, G_OPTION_ARG_NONE, &elem_seek, */
/* "Seek on elements instead of pads", NULL}, */
{"verbose", 'v', 0, G_OPTION_ARG_NONE, &verbose,
"Verbose properties", NULL},
{NULL}
};
GOptionContext *ctx;
if (!g_thread_supported ())
g_thread_init (NULL);
ctx =
g_option_context_new
("- discover files synchronously with GstDiscoverer");
g_option_context_add_main_entries (ctx, options, NULL);
g_option_context_add_group (ctx, gst_init_get_option_group ());
if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
g_print ("Error initializing: %s\n", err->message);
exit (1);
}
g_option_context_free (ctx);
if (argc < 2) {
g_print ("usage: %s <uris>\n", argv[0]);
exit (-1);
}
dc = gst_discoverer_new (timeout * GST_SECOND, &err);
if (G_UNLIKELY (dc == NULL)) {
g_print ("Error initializing: %s\n", err->message);
exit (1);
}
if (async == FALSE) {
gint i;
for (i = 1; i < argc; i++)
process_file (dc, argv[i]);
} else {
PrivStruct *ps = g_new0 (PrivStruct, 1);
GMainLoop *ml = g_main_loop_new (NULL, FALSE);
ps->dc = dc;
ps->argc = argc;
ps->argv = argv;
/* adding uris will be started when the mainloop runs */
g_idle_add ((GSourceFunc) _run_async, ps);
/* connect signals */
g_signal_connect (dc, "discovered", G_CALLBACK (_new_discovered_uri), NULL);
g_signal_connect (dc, "ready", G_CALLBACK (_discoverer_ready), ml);
gst_discoverer_start (dc);
/* run mainloop */
g_main_loop_run (ml);
gst_discoverer_stop (dc);
g_free (ps);
}
g_object_unref (dc);
return 0;
}
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