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88 lines
2.4 KiB
C
88 lines
2.4 KiB
C
/* GStreamer Wayland video sink
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*
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* Copyright (C) 2011 Intel Corporation
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* Copyright (C) 2011 Sreerenj Balachandran <sreerenj.balachandran@intel.com>
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* Copyright (C) 2012 Wim Taymans <wim.taymans@gmail.com>
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* Copyright (C) 2014 Collabora Ltd.
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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 Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*/
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#include "wlvideoformat.h"
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typedef struct
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{
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enum wl_shm_format wl_format;
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GstVideoFormat gst_format;
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} wl_VideoFormat;
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static const wl_VideoFormat formats[] = {
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#if G_BYTE_ORDER == G_BIG_ENDIAN
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{WL_SHM_FORMAT_XRGB8888, GST_VIDEO_FORMAT_xRGB},
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{WL_SHM_FORMAT_ARGB8888, GST_VIDEO_FORMAT_ARGB},
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#else
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{WL_SHM_FORMAT_XRGB8888, GST_VIDEO_FORMAT_BGRx},
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{WL_SHM_FORMAT_ARGB8888, GST_VIDEO_FORMAT_BGRA},
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#endif
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};
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enum wl_shm_format
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gst_video_format_to_wayland_format (GstVideoFormat format)
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{
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guint i;
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for (i = 0; i < G_N_ELEMENTS (formats); i++)
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if (formats[i].gst_format == format)
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return formats[i].wl_format;
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GST_WARNING ("wayland video format not found");
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return -1;
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}
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GstVideoFormat
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gst_wayland_format_to_video_format (enum wl_shm_format wl_format)
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{
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guint i;
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for (i = 0; i < G_N_ELEMENTS (formats); i++)
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if (formats[i].wl_format == wl_format)
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return formats[i].gst_format;
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GST_WARNING ("gst video format not found");
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return GST_VIDEO_FORMAT_UNKNOWN;
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}
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const gchar *
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gst_wayland_format_to_string (enum wl_shm_format wl_format)
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{
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return gst_video_format_to_string
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(gst_wayland_format_to_video_format (wl_format));
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}
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gboolean
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gst_wayland_sink_format_from_caps (enum wl_shm_format * wl_format,
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GstCaps * caps)
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{
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GstVideoInfo info;
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GstVideoFormat fmt;
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gst_video_info_from_caps (&info, caps);
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fmt = GST_VIDEO_INFO_FORMAT (&info);
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*wl_format = gst_video_format_to_wayland_format (fmt);
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return (*wl_format != -1);
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}
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