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2c7ed42292
The alsamidisrc element allows to get input event from ALSA MIDI sequencer devices, and possibly convert them to sound using some downstream element like fluiddec. Fixes #738687
95 lines
2.8 KiB
C
95 lines
2.8 KiB
C
/*
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* Copyright (C) 2001 CodeFactory AB
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* Copyright (C) 2001 Thomas Nyberg <thomas@codefactory.se>
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* Copyright (C) 2001-2002 Andy Wingo <apwingo@eos.ncsu.edu>
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* Copyright (C) 2003 Benjamin Otte <in7y118@public.uni-hamburg.de>
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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 Free
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* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 "gstalsasink.h"
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#include "gstalsasrc.h"
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#include "gstalsamidisrc.h"
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#include <gst/gst-i18n-plugin.h>
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GST_DEBUG_CATEGORY (alsa_debug);
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/* ALSA debugging wrapper */
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/* *INDENT-OFF* */
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G_GNUC_PRINTF (5, 6)
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/* *INDENT-ON* */
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static void
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gst_alsa_error_wrapper (const char *file, int line, const char *function,
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int err, const char *fmt, ...)
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{
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#ifndef GST_DISABLE_GST_DEBUG
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va_list args;
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gchar *str;
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va_start (args, fmt);
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str = g_strdup_vprintf (fmt, args);
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va_end (args);
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/* FIXME: use GST_LEVEL_ERROR here? Currently warning is used because we're
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* able to catch enough of the errors that would be printed otherwise
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*/
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gst_debug_log (alsa_debug, GST_LEVEL_WARNING, file, function, line, NULL,
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"alsalib error: %s%s%s", str, err ? ": " : "",
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err ? snd_strerror (err) : "");
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g_free (str);
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#endif
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}
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static gboolean
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plugin_init (GstPlugin * plugin)
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{
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int err;
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if (!gst_element_register (plugin, "alsasrc", GST_RANK_PRIMARY,
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GST_TYPE_ALSA_SRC))
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return FALSE;
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if (!gst_element_register (plugin, "alsasink", GST_RANK_PRIMARY,
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GST_TYPE_ALSA_SINK))
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return FALSE;
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if (!gst_element_register (plugin, "alsamidisrc", GST_RANK_PRIMARY,
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GST_TYPE_ALSA_MIDI_SRC))
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return FALSE;
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GST_DEBUG_CATEGORY_INIT (alsa_debug, "alsa", 0, "alsa plugins");
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#ifdef ENABLE_NLS
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GST_DEBUG ("binding text domain %s to locale dir %s", GETTEXT_PACKAGE,
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LOCALEDIR);
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bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
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bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
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#endif
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err = snd_lib_error_set_handler (gst_alsa_error_wrapper);
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if (err != 0)
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GST_WARNING ("failed to set alsa error handler");
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return TRUE;
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}
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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alsa,
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"ALSA plugin library",
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plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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