gstreamer/subprojects/gst-plugins-base/gst-libs/gst/audio/gstdsdformat.c

109 lines
2.7 KiB
C

/* GStreamer
* Copyright (C) 2023 Carlos Rafael Giani <crg7475@mailbox.org>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "gstdsdformat.h"
/**
* gst_dsd_format_from_string:
* @format: a format string
*
* Convert the @format string to its #GstDsdFormat.
*
* Returns: the #GstDsdFormat for @format or GST_DSD_FORMAT_UNKNOWN when the
* string is not a known format.
*
* Since: 1.24
*/
GstDsdFormat
gst_dsd_format_from_string (const gchar * str)
{
if (g_strcmp0 (str, "DSDU8") == 0)
return GST_DSD_FORMAT_U8;
else if (g_strcmp0 (str, "DSDU16LE") == 0)
return GST_DSD_FORMAT_U16LE;
else if (g_strcmp0 (str, "DSDU16BE") == 0)
return GST_DSD_FORMAT_U16BE;
else if (g_strcmp0 (str, "DSDU32LE") == 0)
return GST_DSD_FORMAT_U32LE;
else if (g_strcmp0 (str, "DSDU32BE") == 0)
return GST_DSD_FORMAT_U32BE;
else
return GST_DSD_FORMAT_UNKNOWN;
}
/**
* gst_dsd_format_to_string:
* @format: a #GstDsdFormat
*
* Returns a string containing a descriptive name for
* the #GstDsdFormat if there is one, or NULL otherwise.
*
* Returns: the name corresponding to @format
*
* Since: 1.24
*/
const gchar *
gst_dsd_format_to_string (GstDsdFormat format)
{
switch (format) {
case GST_DSD_FORMAT_U8:
return "DSDU8";
case GST_DSD_FORMAT_U16LE:
return "DSDU16LE";
case GST_DSD_FORMAT_U16BE:
return "DSDU16BE";
case GST_DSD_FORMAT_U32LE:
return "DSDU32LE";
case GST_DSD_FORMAT_U32BE:
return "DSDU32BE";
default:
return NULL;
}
}
/**
* gst_dsd_format_get_width:
* @format: a #GstDsdFormat
*
* Returns: Number of bytes in this DSD grouping format.
*
* Since: 1.24
*/
guint
gst_dsd_format_get_width (GstDsdFormat format)
{
switch (format) {
case GST_DSD_FORMAT_U8:
return 1;
case GST_DSD_FORMAT_U16LE:
return 2;
case GST_DSD_FORMAT_U16BE:
return 2;
case GST_DSD_FORMAT_U32LE:
return 4;
case GST_DSD_FORMAT_U32BE:
return 4;
default:
return 0;
}
}