src/main.c

   1 /* main.c
   2  * Copyright (C) 2008 Rov Juvano <rovjuvano@users.sourceforge.net>
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #ifdef HAVE_CONFIG_H
  19 #include "config.h"
  20 #endif
  21
  22 #include "gst-app.h"
  23
  24 int
  25 main (int argc, char *argv[])
  26 {
  27   gchar **filenames = NULL;
  28   pipeline_args t;
  29   pipeline_args *args = &t;
  30   args->silent = FALSE;
  31   args->israwfile = FALSE;
  32   args->filter_name = "identity";
  33   args->param_name = NULL;
  34   args->scale = 1.0;
  35   args->temp = 1.0;
  36   args->num_buffers = 0;
  37   args->noaudio = FALSE;
  38   args->novideo = FALSE;
  39
  40   const GOptionEntry entries[] = {
  41     { "silent", 's', 0, G_OPTION_ARG_NONE, &(args->silent),
  42       "do not output status information", NULL },
  43         { "raw", '\0', 0, G_OPTION_ARG_NONE, &(args->israwfile),
  44           "file is raw 32bit-PCM 2ch/LE @ 44100Hz", "FILE" },
  45         { "filter", '\0', 0, G_OPTION_ARG_STRING, &(args->filter_name),
  46           "filter", "NAME" },
  47         { "param", '\0', 0, G_OPTION_ARG_STRING, &(args->param_name),
  48           "scale parameter name", "NAME" },
  49         { "scale", 's', 0, G_OPTION_ARG_DOUBLE, &(args->scale),
  50           "playback rate", "FLOAT" },
  51         { "temp", '\0', 0, G_OPTION_ARG_DOUBLE, &(args->temp),
  52           "temp", "FLOAT" },
  53         { "num_buffers", '\0', 0, G_OPTION_ARG_INT, &(args->num_buffers),
  54           "number of buffers to play", "INT" },
  55     { G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &filenames,
  56       "Special option that collects any remaining arguments for us" },
  57     { NULL, }
  58   };
  59   GOptionContext *ctx;
  60   GError *err = NULL;
  61
  62   /* Before calling any GLib or GStreamer function, we must initialise
  63    * the GLib threading system */
  64   if (!g_thread_supported())
  65     g_thread_init (NULL);
  66
  67   ctx = g_option_context_new ("[FILE1] [FILE2] ...");
  68   g_option_context_add_group (ctx, gst_init_get_option_group ());
  69   g_option_context_add_main_entries (ctx, entries, NULL);
  70
  71   if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
  72     g_print ("Error initializing: %s\n", GST_STR_NULL (err->message));
  73     g_error_free (err);
  74     return -1;
  75   }
  76   g_option_context_free (ctx);
  77
  78   if (filenames == NULL || *filenames == NULL) {
  79     g_print ("Please specify a file to play\n\n");
  80     return -1;
  81   }
  82
  83   if (args->scale != 1.0 && !args->param_name) {
  84     g_print("\n** WARNING: scale set but not param **\n\n");
  85     return -1;
  86   }
  87
  88   lauch_gui(&argc, &argv, filenames, args);
  89
  90   g_strfreev (filenames);
  91   return 0;
  92 }