mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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Existing codes rely on modified argc value by g_option_context_parse() but g_option_context_parse_strv() is used in case of Windows. Count arguments after the option parsing manually. Fixing command "gst-inspect-1.0.exe -b" Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4313>
497 lines
14 KiB
C
497 lines
14 KiB
C
/* GStreamer
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*
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* Copyright (C) 2015 Thibault Saunier <tsaunier@gnome.org>
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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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <string.h>
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#include "utils.h"
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#include <gst/transcoder/gsttranscoder.h>
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#ifdef G_OS_UNIX
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#include <glib-unix.h>
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#endif
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#ifdef __APPLE__
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#include <TargetConditionals.h>
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#endif
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static const gchar *HELP_SUMMARY =
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"gst-transcoder-1.0 transcodes a stream defined by its first <input-uri>\n"
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"argument to the place defined by its second <output-uri> argument\n"
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"into the format described in its third <encoding-format> argument,\n"
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"or using the given <output-uri> file extension.\n"
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"\n"
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"The <encoding-format> argument:\n"
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"===============================\n"
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"\n"
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"If the encoding format is not defined, it will be guessed with\n"
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"the given <output-uri> file extension."
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"\n"
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"<encoding-format> describe the media format into which the\n"
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"input stream is going to be transcoded. We have two different\n"
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"ways of describing the format:\n"
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"\n"
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"GstEncodingProfile serialization format\n"
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"---------------------------------------\n"
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"\n"
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"GStreamer encoding profiles can be described with a quite extensive\n"
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"syntax which is described in the GstEncodingProfile documentation.\n"
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"\n"
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"The simple case looks like:\n"
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"\n"
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" muxer_source_caps:videoencoder_source_caps:audioencoder_source_caps\n"
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"\n"
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"Name and category of serialized GstEncodingTarget\n"
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"-------------------------------------------------\n"
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"\n"
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"Encoding targets describe well known formats which\n"
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"those are provided in '.gep' files. You can list\n"
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"available ones using the `--list-targets` argument.\n";
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typedef struct
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{
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gint cpu_usage, rate;
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gboolean list;
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GstEncodingProfile *profile;
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gchar *src_uri, *dest_uri, *encoding_format, *size;
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gchar *framerate;
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} Settings;
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#ifdef G_OS_UNIX
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static guint signal_watch_hup_id;
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static guint signal_watch_intr_id;
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static gboolean
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intr_handler (gpointer user_data)
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{
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GstTranscoder *self = GST_TRANSCODER (user_data);
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GstElement *pipeline = gst_transcoder_get_pipeline (self);
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g_print ("handling interrupt.\n");
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if (pipeline) {
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gst_element_send_event (pipeline, gst_event_new_eos ());
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g_object_unref (pipeline);
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}
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signal_watch_intr_id = 0;
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return G_SOURCE_REMOVE;
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}
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static gboolean
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hup_handler (gpointer user_data)
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{
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GstTranscoder *self = GST_TRANSCODER (user_data);
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GstElement *pipeline = gst_transcoder_get_pipeline (self);
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g_print ("handling hang up.\n");
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if (pipeline) {
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gst_element_send_event (pipeline, gst_event_new_eos ());
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g_object_unref (pipeline);
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}
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signal_watch_intr_id = 0;
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return G_SOURCE_REMOVE;
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}
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#endif /* G_OS_UNIX */
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static void
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position_updated_cb (GstTranscoder * transcoder, GstClockTime pos)
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{
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GstClockTime dur = -1;
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gchar status[64] = { 0, };
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g_object_get (transcoder, "duration", &dur, NULL);
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memset (status, ' ', sizeof (status) - 1);
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if (pos != -1 && dur > 0 && dur != -1) {
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gchar dstr[32], pstr[32];
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/* FIXME: pretty print in nicer format */
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g_snprintf (pstr, 32, "%" GST_TIME_FORMAT, GST_TIME_ARGS (pos));
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pstr[9] = '\0';
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g_snprintf (dstr, 32, "%" GST_TIME_FORMAT, GST_TIME_ARGS (dur));
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dstr[9] = '\0';
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g_print ("%s / %s %s\r", pstr, dstr, status);
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}
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}
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static GList *
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get_profiles_of_type (GstEncodingProfile * profile, GType profile_type)
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{
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GList *tmp, *profiles = NULL;
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if (GST_IS_ENCODING_CONTAINER_PROFILE (profile)) {
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for (tmp = (GList *)
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gst_encoding_container_profile_get_profiles
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(GST_ENCODING_CONTAINER_PROFILE (profile)); tmp; tmp = tmp->next) {
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if (G_OBJECT_TYPE (tmp->data) == profile_type)
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profiles = g_list_prepend (profiles, tmp->data);
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}
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} else if (GST_IS_ENCODING_VIDEO_PROFILE (profile)) {
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profiles = g_list_prepend (profiles, profile);
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}
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return profiles;
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}
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static gboolean
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set_video_settings (Settings * settings)
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{
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GList *video_profiles, *tmp;
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gchar *p, *tmpstr, **vsize;
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gint width = 0, height = 0;
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GValue framerate = G_VALUE_INIT;
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if (!settings->size && !settings->framerate)
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return TRUE;
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if (settings->size) {
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p = tmpstr = g_strdup (settings->size);
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for (; *p; ++p)
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*p = g_ascii_tolower (*p);
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vsize = g_strsplit (tmpstr, "x", -1);
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g_free (tmpstr);
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if (!vsize[1] || vsize[2]) {
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g_strfreev (vsize);
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error ("Video size should be in the form: WxH, got %s", settings->size);
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return FALSE;
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}
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width = g_ascii_strtoull (vsize[0], NULL, 0);
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height = g_ascii_strtoull (vsize[1], NULL, 10);
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g_strfreev (vsize);
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}
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if (settings->framerate) {
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g_value_init (&framerate, GST_TYPE_FRACTION);
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if (!gst_value_deserialize (&framerate, settings->framerate)) {
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error ("Video framerate should be either a fraction or an integer"
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" not: %s", settings->framerate);
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return FALSE;
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}
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}
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video_profiles = get_profiles_of_type (settings->profile,
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GST_TYPE_ENCODING_VIDEO_PROFILE);
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for (tmp = video_profiles; tmp; tmp = tmp->next) {
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GstCaps *rest = gst_encoding_profile_get_restriction (tmp->data);
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if (!rest)
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rest = gst_caps_new_empty_simple ("video/x-raw");
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else
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rest = gst_caps_copy (rest);
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if (settings->size) {
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gst_caps_set_simple (rest, "width", G_TYPE_INT, width,
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"height", G_TYPE_INT, height, NULL);
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}
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if (settings->framerate)
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gst_caps_set_value (rest, "framerate", &framerate);
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gst_encoding_profile_set_restriction (tmp->data, rest);
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}
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return TRUE;
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}
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static gboolean
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set_audio_settings (Settings * settings)
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{
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GList *audio_profiles, *tmp;
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if (settings->rate < 0)
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return TRUE;
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audio_profiles =
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get_profiles_of_type (settings->profile, GST_TYPE_ENCODING_AUDIO_PROFILE);
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for (tmp = audio_profiles; tmp; tmp = tmp->next) {
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GstCaps *rest = gst_encoding_profile_get_restriction (tmp->data);
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if (!rest)
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rest = gst_caps_new_empty_simple ("audio/x-raw");
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else
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rest = gst_caps_copy (rest);
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gst_caps_set_simple (rest, "rate", G_TYPE_INT, settings->rate, NULL);
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gst_encoding_profile_set_restriction (tmp->data, rest);
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}
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return TRUE;
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}
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static void
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list_encoding_targets (void)
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{
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GList *tmp, *targets = gst_encoding_list_all_targets (NULL);
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for (tmp = targets; tmp; tmp = tmp->next) {
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GstEncodingTarget *target = tmp->data;
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GList *usable_profiles = get_usable_profiles (target);
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if (usable_profiles) {
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GList *tmpprof;
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g_print ("\n%s (%s): %s\n * Profiles:\n",
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gst_encoding_target_get_name (target),
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gst_encoding_target_get_category (target),
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gst_encoding_target_get_description (target));
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for (tmpprof = usable_profiles; tmpprof; tmpprof = tmpprof->next)
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g_print (" - %s: %s",
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gst_encoding_profile_get_name (tmpprof->data),
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gst_encoding_profile_get_description (tmpprof->data));
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g_print ("\n");
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g_list_free (usable_profiles);
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}
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}
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g_list_free_full (targets, (GDestroyNotify) g_object_unref);
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}
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static void
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_error_cb (GstTranscoder * transcoder, GError * err, GstStructure * details)
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{
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if (g_error_matches (err, GST_CORE_ERROR, GST_CORE_ERROR_PAD)) {
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GstPadLinkReturn lret;
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GType type;
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if (details && gst_structure_get (details, "linking-error",
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GST_TYPE_PAD_LINK_RETURN, &lret,
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"msg-source-type", G_TYPE_GTYPE, &type, NULL) &&
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type == g_type_from_name ("GstTranscodeBin")) {
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const gchar *debug = gst_structure_get_string (details, "debug");
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error ("\nCould not setup transcoding pipeline,"
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" make sure that your transcoding format parameters"
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" are compatible with the input stream.\n\n%s", debug);
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return;
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}
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}
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error ("\nFAILURE: %s", err->message);
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}
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static void
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_warning_cb (GstTranscoder * transcoder, GError * error, GstStructure * details)
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{
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gboolean cant_encode;
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GstCaps *caps = NULL;
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gchar *stream_id = NULL;
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if (details && gst_structure_get (details, "can-t-encode-stream",
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G_TYPE_BOOLEAN, &cant_encode, "stream-caps", GST_TYPE_CAPS,
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&caps, "stream-id", G_TYPE_STRING, &stream_id, NULL)) {
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gchar *source_uri = gst_transcoder_get_source_uri (transcoder);
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warn ("WARNING: Input stream %s: WON'T BE ENCODED.\n"
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"Make sure the encoding settings are valid and that"
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" any preset you set actually exists.\n"
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"For more information about that stream, you can inspect"
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" the source stream with:\n\n"
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" gst-discoverer-1.0 -v %s\n", stream_id, source_uri);
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gst_caps_unref (caps);
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g_free (stream_id);;
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g_free (source_uri);;
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return;
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}
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warn ("Got warning: %s", error->message);
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}
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static int
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real_main (int argc, char *argv[])
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{
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gint res = 0;
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GError *err = NULL;
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GstTranscoder *transcoder;
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GOptionContext *ctx;
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GstTranscoderSignalAdapter *signal_adapter;
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Settings settings = {
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.cpu_usage = 100,
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.rate = -1,
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.encoding_format = NULL,
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.size = NULL,
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.framerate = NULL,
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};
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GOptionEntry options[] = {
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{"cpu-usage", 'c', 0, G_OPTION_ARG_INT, &settings.cpu_usage,
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"The CPU usage to target in the transcoding process", NULL},
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{"list-targets", 'l', G_OPTION_ARG_NONE, 0, &settings.list,
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"List all encoding targets", NULL},
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{"size", 's', 0, G_OPTION_ARG_STRING, &settings.size,
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"set frame size (WxH or abbreviation)", NULL},
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{"audio-rate", 'r', 0, G_OPTION_ARG_INT, &settings.rate,
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"set audio sampling rate (in Hz)", NULL},
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{"framerate", 'f', 0, G_OPTION_ARG_STRING, &settings.framerate,
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"set video framerate as a fraction (24/1 for 24fps)"
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" or a single number (24 for 24fps))", NULL},
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{"video-encoder", 'v', 0, G_OPTION_ARG_STRING, &settings.size,
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"The video encoder to use.", NULL},
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{NULL}
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};
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g_set_prgname ("gst-transcoder");
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ctx = g_option_context_new ("<source uri> <destination uri> "
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"[<encoding format>[/<encoding profile name>]]");
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g_option_context_set_summary (ctx, HELP_SUMMARY);
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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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#ifdef G_OS_WIN32
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if (!g_option_context_parse_strv (ctx, &argv, &err))
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#else
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if (!g_option_context_parse (ctx, &argc, &argv, &err))
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#endif
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{
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g_print ("Error initializing: %s\n", GST_STR_NULL (err->message));
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g_clear_error (&err);
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g_option_context_free (ctx);
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return 1;
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}
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#ifdef G_OS_WIN32
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argc = g_strv_length (argv);
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#endif
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gst_pb_utils_init ();
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if (settings.list) {
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list_encoding_targets ();
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return 0;
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}
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if (argc < 3 || argc > 4) {
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g_print ("%s", g_option_context_get_help (ctx, TRUE, NULL));
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g_option_context_free (ctx);
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return -1;
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}
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g_option_context_free (ctx);
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settings.src_uri = ensure_uri (argv[1]);
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settings.dest_uri = ensure_uri (argv[2]);
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if (argc == 3) {
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settings.encoding_format = get_file_extension (settings.dest_uri);
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if (!settings.encoding_format)
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goto no_extension;
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} else {
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settings.encoding_format = argv[3];
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}
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settings.profile = create_encoding_profile (settings.encoding_format);
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if (!settings.profile) {
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error ("Could not find any encoding format for %s\n",
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settings.encoding_format);
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warn ("You can list available targets using %s --list-targets", argv[0]);
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res = 1;
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goto done;
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}
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g_print ("Encoding to:\n\n");
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describe_encoding_profile (settings.profile);
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if (!set_video_settings (&settings)) {
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res = -1;
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goto done;
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}
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if (!set_audio_settings (&settings)) {
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res = -1;
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goto done;
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}
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transcoder = gst_transcoder_new_full (settings.src_uri, settings.dest_uri,
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settings.profile);
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gst_transcoder_set_avoid_reencoding (transcoder, TRUE);
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gst_transcoder_set_cpu_usage (transcoder, settings.cpu_usage);
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signal_adapter = gst_transcoder_get_signal_adapter (transcoder, NULL);
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g_signal_connect_swapped (signal_adapter, "position-updated",
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G_CALLBACK (position_updated_cb), transcoder);
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g_signal_connect_swapped (signal_adapter, "warning", G_CALLBACK (_warning_cb),
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transcoder);
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g_signal_connect_swapped (signal_adapter, "error", G_CALLBACK (_error_cb),
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transcoder);
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#ifdef G_OS_UNIX
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signal_watch_intr_id =
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g_unix_signal_add (SIGINT, (GSourceFunc) intr_handler, transcoder);
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signal_watch_hup_id =
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g_unix_signal_add (SIGHUP, (GSourceFunc) hup_handler, transcoder);
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#endif
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ok ("Starting transcoding...");
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gst_transcoder_run (transcoder, &err);
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g_object_unref (signal_adapter);
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if (!err)
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ok ("\nDONE.");
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#ifdef G_OS_UNIX
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if (signal_watch_intr_id > 0)
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g_source_remove (signal_watch_intr_id);
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if (signal_watch_hup_id > 0)
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g_source_remove (signal_watch_hup_id);
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#endif
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done:
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g_free (settings.dest_uri);
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g_free (settings.src_uri);
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return res;
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no_extension:
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error ("No <encoding-format> specified and no extension"
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" available in the output target: %s", settings.dest_uri);
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res = 1;
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goto done;
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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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int ret;
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#ifdef G_OS_WIN32
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argv = g_win32_get_command_line ();
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#endif
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#if defined(__APPLE__) && TARGET_OS_MAC && !TARGET_OS_IPHONE
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ret = gst_macos_main ((GstMainFunc) real_main, argc, argv, NULL);
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#else
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ret = real_main (argc, argv);
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#endif
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#ifdef G_OS_WIN32
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g_strfreev (argv);
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#endif
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return ret;
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|
}
|