mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-18 07:47:17 +00:00
tools: Standalone tool for discovering media file properties
Fixes #625944
This commit is contained in:
Edward Hervey
parent
440865f127
commit
d4b0274d89
3 changed files with 454 additions and 2 deletions
1
tools/.gitignore
vendored
1
tools/.gitignore
vendored
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@ -2,3 +2,4 @@ gst-launch-ext-?.*
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gst-visualise-?.*
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gst-launch-ext-?.*.1
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gst-visualise-?.*.1
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gst-discoverer
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@ -4,10 +4,20 @@ bin_SCRIPTS = \
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man_MANS = \
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gst-visualise-@GST_MAJORMINOR@.1
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CLEANFILES = $(man_MANS) $(bin_SCRIPTS)
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bin_PROGRAMS = \
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gst-discoverer
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CLEANFILES = $(man_MANS) $(bin_SCRIPTS) $(bin_PROGRAMS)
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EXTRA_DIST = \
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gst-visualise-m.m gst-visualise.1.in
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gst-visualise-m.m gst-visualise.1.in \
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gst-discoverer.c
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LDADD = $(top_builddir)/gst-libs/gst/pbutils/libgstpbutils-@GST_MAJORMINOR@.la\
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-lgstpbutils-@GST_MAJORMINOR@ \
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$(GST_LIBS)
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AM_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) $(GST_CFLAGS)
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# generate versioned scripts from templates
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%-@GST_MAJORMINOR@: %-m.m
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441
tools/gst-discoverer.c
Normal file
441
tools/gst-discoverer.c
Normal file
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@ -0,0 +1,441 @@
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/* GStreamer
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* Copyright (C) 2009 Edward Hervey <edward.hervey@collabora.co.uk>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdlib.h>
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#include <glib.h>
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#include <gst/gst.h>
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#include <gst/pbutils/pbutils.h>
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static gboolean async = FALSE;
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static gboolean silent = FALSE;
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static gboolean verbose = FALSE;
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typedef struct
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{
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GstDiscoverer *dc;
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int argc;
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char **argv;
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} PrivStruct;
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#define my_g_string_append_printf(str, format, ...) \
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g_string_append_printf (str, "%*s" format, 2*depth, " ", ##__VA_ARGS__)
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static gchar *
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gst_stream_audio_information_to_string (GstDiscovererStreamInfo * info,
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gint depth)
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{
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GString *s;
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gchar *tmp;
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int len = 400;
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const GstTagList *tags;
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GstCaps *caps;
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g_return_val_if_fail (info != NULL, NULL);
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s = g_string_sized_new (len);
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my_g_string_append_printf (s, "Codec:\n");
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caps = gst_discoverer_stream_info_get_caps (info);
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tmp = gst_caps_to_string (caps);
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gst_caps_unref (caps);
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my_g_string_append_printf (s, " %s\n", tmp);
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g_free (tmp);
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my_g_string_append_printf (s, "Additional info:\n");
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if (gst_discoverer_stream_info_get_misc (info)) {
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tmp = gst_structure_to_string (gst_discoverer_stream_info_get_misc (info));
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my_g_string_append_printf (s, " %s\n", tmp);
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g_free (tmp);
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} else {
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my_g_string_append_printf (s, " None\n");
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}
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my_g_string_append_printf (s, "Channels: %u\n",
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gst_discoverer_audio_info_get_channels (info));
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my_g_string_append_printf (s, "Sample rate: %u\n",
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gst_discoverer_audio_info_get_sample_rate (info));
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my_g_string_append_printf (s, "Depth: %u\n",
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gst_discoverer_audio_info_get_depth (info));
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my_g_string_append_printf (s, "Bitrate: %u\n",
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gst_discoverer_audio_info_get_bitrate (info));
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my_g_string_append_printf (s, "Max bitrate: %u\n",
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gst_discoverer_audio_info_get_max_bitrate (info));
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my_g_string_append_printf (s, "Tags:\n");
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tags = gst_discoverer_stream_info_get_tags (info);
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if (tags) {
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tmp = gst_structure_to_string ((GstStructure *) tags);
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my_g_string_append_printf (s, " %s\n", tmp);
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g_free (tmp);
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} else {
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my_g_string_append_printf (s, " None\n");
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}
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if (verbose)
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my_g_string_append_printf (s, "\n");
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return g_string_free (s, FALSE);
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}
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static gchar *
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gst_stream_video_information_to_string (GstDiscovererStreamInfo * info,
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gint depth)
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{
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GString *s;
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gchar *tmp;
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int len = 500;
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const GstStructure *misc;
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const GstTagList *tags;
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GstCaps *caps;
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g_return_val_if_fail (info != NULL, NULL);
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s = g_string_sized_new (len);
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my_g_string_append_printf (s, "Codec:\n");
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caps = gst_discoverer_stream_info_get_caps (info);
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tmp = gst_caps_to_string (caps);
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gst_caps_unref (caps);
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my_g_string_append_printf (s, " %s\n", tmp);
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g_free (tmp);
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my_g_string_append_printf (s, "Additional info:\n");
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misc = gst_discoverer_stream_info_get_misc (info);
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if (misc) {
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tmp = gst_structure_to_string (misc);
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my_g_string_append_printf (s, " %s\n", tmp);
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g_free (tmp);
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} else {
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my_g_string_append_printf (s, " None\n");
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}
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my_g_string_append_printf (s, "Width: %u\n",
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gst_discoverer_video_info_get_width (info));
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my_g_string_append_printf (s, "Height: %u\n",
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gst_discoverer_video_info_get_height (info));
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my_g_string_append_printf (s, "Depth: %u\n",
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gst_discoverer_video_info_get_depth (info));
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my_g_string_append_printf (s, "Frame rate: %u/%u\n",
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gst_discoverer_video_info_get_framerate_num (info),
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gst_discoverer_video_info_get_framerate_denom (info));
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my_g_string_append_printf (s, "Pixel aspect ratio: %u/%u\n",
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gst_discoverer_video_info_get_par_num (info),
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gst_discoverer_video_info_get_par_denom (info));
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my_g_string_append_printf (s, "Interlaced: %s\n",
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gst_discoverer_video_info_get_interlaced (info) ? "true" : "false");
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my_g_string_append_printf (s, "Bitrate: %u\n",
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gst_discoverer_video_info_get_bitrate (info));
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my_g_string_append_printf (s, "Max bitrate: %u\n",
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gst_discoverer_video_info_get_max_bitrate (info));
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my_g_string_append_printf (s, "Tags:\n");
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tags = gst_discoverer_stream_info_get_tags (info);
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if (tags) {
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tmp = gst_structure_to_string ((GstStructure *) tags);
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my_g_string_append_printf (s, " %s\n", tmp);
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g_free (tmp);
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} else {
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my_g_string_append_printf (s, " None\n");
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}
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if (verbose)
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my_g_string_append_printf (s, "\n");
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return g_string_free (s, FALSE);
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}
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static void
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print_stream_info (GstDiscovererStreamInfo * info, void *depth)
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{
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gchar *desc = NULL;
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GstCaps *caps;
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caps = gst_discoverer_stream_info_get_caps (info);
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if (caps) {
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if (gst_caps_is_fixed (caps) && !verbose)
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desc = gst_pb_utils_get_codec_description (caps);
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else
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desc = gst_caps_to_string (caps);
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gst_caps_unref (caps);
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}
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g_print ("%*s%s: %s\n", 2 * GPOINTER_TO_INT (depth), " ",
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gst_discoverer_stream_info_get_stream_type_nick (info), desc);
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if (desc) {
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g_free (desc);
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desc = NULL;
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}
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if (verbose) {
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if (GST_IS_DISCOVERER_AUDIO_INFO (info))
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desc =
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gst_stream_audio_information_to_string (info,
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GPOINTER_TO_INT (depth) + 1);
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else if (GST_IS_DISCOVERER_VIDEO_INFO (info))
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desc =
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gst_stream_video_information_to_string (info,
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GPOINTER_TO_INT (depth) + 1);
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}
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if (desc) {
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g_print ("%s", desc);
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g_free (desc);
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}
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}
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static void
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print_topology (GstDiscovererStreamInfo * info, gint depth)
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{
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GstDiscovererStreamInfo *next;
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if (!info)
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return;
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print_stream_info (info, GINT_TO_POINTER (depth));
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next = gst_discoverer_stream_info_get_next (info);
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if (next) {
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print_topology (next, depth + 1);
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gst_discoverer_stream_info_unref (next);
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} else if (GST_IS_DISCOVERER_CONTAINER_INFO (info)) {
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GList *tmp, *streams;
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streams = gst_discoverer_container_info_get_streams (info);
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for (tmp = streams; tmp; tmp = tmp->next) {
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GstDiscovererStreamInfo *tmpinf = (GstDiscovererStreamInfo *) tmp->data;
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print_topology (tmpinf, depth + 1);
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}
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gst_discoverer_stream_info_list_free (streams);
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}
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}
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static void
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print_duration (GstDiscovererInfo * info, gint tab)
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{
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g_print ("%*s%" GST_TIME_FORMAT "\n", tab + 1, " ",
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GST_TIME_ARGS (gst_discoverer_info_get_duration (info)));
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}
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static void
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print_info (GstDiscovererInfo * info, GError * err)
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{
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GstDiscovererResult result = gst_discoverer_info_get_result (info);
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g_print ("Done discovering %s\n", gst_discoverer_info_get_uri (info));
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if (result & GST_DISCOVERER_URI_INVALID)
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g_print ("URI is not valid\n");
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else if (result & GST_DISCOVERER_TIMEOUT)
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g_print ("Timeout !\n");
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if (result & GST_DISCOVERER_ERROR) {
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g_print ("An error was encountered while discovering the file\n");
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g_print (" %s\n", err->message);
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if (verbose && (result & GST_DISCOVERER_MISSING_PLUGINS)) {
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gchar *tmp =
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gst_structure_to_string (gst_discoverer_info_get_misc (info));
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g_print (" (%s)\n", tmp);
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g_free (tmp);
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}
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return;
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}
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if (!(result & (GST_DISCOVERER_ERROR | GST_DISCOVERER_TIMEOUT))) {
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GstDiscovererStreamInfo *sinfo = gst_discoverer_info_get_stream_info (info);
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g_print ("\nTopology:\n");
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print_topology (sinfo, 1);
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g_print ("\nDuration:\n");
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print_duration (info, 1);
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gst_discoverer_stream_info_unref (sinfo);
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}
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g_print ("\n");
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}
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static void
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process_file (GstDiscoverer * dc, const gchar * filename)
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{
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GError *err = NULL;
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GDir *dir;
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gchar *uri, *path;
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GstDiscovererInfo *info;
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GstStructure *st = NULL;
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if (!gst_uri_is_valid (filename)) {
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/* Recurse into directories */
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if ((dir = g_dir_open (filename, 0, NULL))) {
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const gchar *entry;
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while ((entry = g_dir_read_name (dir))) {
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gchar *path;
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path = g_strconcat (filename, G_DIR_SEPARATOR_S, entry, NULL);
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process_file (dc, path);
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g_free (path);
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}
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g_dir_close (dir);
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return;
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}
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if (!g_path_is_absolute (filename)) {
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gchar *cur_dir;
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cur_dir = g_get_current_dir ();
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path = g_build_filename (cur_dir, filename, NULL);
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g_free (cur_dir);
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} else {
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path = g_strdup (filename);
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}
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uri = g_filename_to_uri (path, NULL, &err);
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g_free (path);
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path = NULL;
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if (err) {
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g_warning ("Couldn't convert filename to URI: %s\n", err->message);
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g_error_free (err);
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return;
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}
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} else {
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uri = g_strdup (filename);
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}
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if (async == FALSE) {
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g_print ("Analyzing %s\n", uri);
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info = gst_discoverer_discover_uri (dc, uri, &err);
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print_info (info, err);
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gst_discoverer_info_unref (info);
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if (st)
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gst_structure_free (st);
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} else {
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gst_discoverer_discover_uri_async (dc, uri);
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}
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g_free (uri);
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}
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static void
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_new_discovered_uri (GstDiscoverer * dc, GstDiscovererInfo * info, GError * err)
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{
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print_info (info, err);
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}
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static gboolean
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_run_async (PrivStruct * ps)
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{
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gint i;
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for (i = 1; i < ps->argc; i++)
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process_file (ps->dc, ps->argv[i]);
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return FALSE;
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}
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static void
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_discoverer_ready (GstDiscoverer * dc, GMainLoop * ml)
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{
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g_main_loop_quit (ml);
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}
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int
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main (int argc, char **argv)
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{
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GError *err = NULL;
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GstDiscoverer *dc;
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gint timeout = 10;
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GOptionEntry options[] = {
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{"async", 'a', 0, G_OPTION_ARG_NONE, &async,
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"Run asynchronously", NULL},
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{"silent", 's', 0, G_OPTION_ARG_NONE, &silent,
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"Don't output the information structure", NULL},
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{"timeout", 't', 0, G_OPTION_ARG_INT, &timeout,
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"Specify timeout (in seconds, default 10)", "T"},
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/* {"elem", 'e', 0, G_OPTION_ARG_NONE, &elem_seek, */
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/* "Seek on elements instead of pads", NULL}, */
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{"verbose", 'v', 0, G_OPTION_ARG_NONE, &verbose,
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"Verbose properties", NULL},
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{NULL}
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};
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GOptionContext *ctx;
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if (!g_thread_supported ())
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g_thread_init (NULL);
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ctx =
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g_option_context_new
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("- discover files synchronously with GstDiscoverer");
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g_option_context_add_main_entries (ctx, options, NULL);
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g_option_context_add_group (ctx, gst_init_get_option_group ());
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if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
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g_print ("Error initializing: %s\n", err->message);
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exit (1);
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}
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g_option_context_free (ctx);
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if (argc < 2) {
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g_print ("usage: %s <uris>\n", argv[0]);
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exit (-1);
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}
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dc = gst_discoverer_new (timeout * GST_SECOND, &err);
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if (G_UNLIKELY (dc == NULL)) {
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g_print ("Error initializing: %s\n", err->message);
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exit (1);
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}
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if (async == FALSE) {
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gint i;
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for (i = 1; i < argc; i++)
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process_file (dc, argv[i]);
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} else {
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PrivStruct *ps = g_new0 (PrivStruct, 1);
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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;
|
||||
}
|
||||
Loading…
Reference in a new issue