/*

 * Copyright (C) 2017 Collabora Inc.

 *    Author: Nicolas Dufresne <nicolas.dufresne@collabora.com>

 *

 * 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 <sys/stat.h>

#include <fcntl.h>

#include <errno.h>

#include <unistd.h>

#include <string.h>

#include "gstv4l2object.h"

#include "gstv4l2vp8enc.h"

#include <string.h>

#include <gst/gst-i18n-plugin.h>

GST_DEBUG_CATEGORY_STATIC (gst_v4l2_vp8_enc_debug);

#define GST_CAT_DEFAULT gst_v4l2_vp8_enc_debug

static GstStaticCaps src_template_caps =

GST_STATIC_CAPS ("video/x-vp8, profile=(string) { 0, 1, 2, 3 }");

enum

{

  PROP_0,

  V4L2_STD_OBJECT_PROPS,

  /* TODO */

};

#define gst_v4l2_vp8_enc_parent_class parent_class

G_DEFINE_TYPE (GstV4l2Vp8Enc, gst_v4l2_vp8_enc, GST_TYPE_V4L2_VIDEO_ENC);

static void

gst_v4l2_vp8_enc_set_property (GObject * object,

    guint prop_id, const GValue * value, GParamSpec * pspec)

{

  /* TODO */

}

static void

gst_v4l2_vp8_enc_get_property (GObject * object,

    guint prop_id, GValue * value, GParamSpec * pspec)

{

  /* TODO */

}

static gint

v4l2_profile_from_string (const gchar * profile)

{

  gint v4l2_profile = -1;

  if (g_str_equal (profile, "0"))

    v4l2_profile = 0;

  else if (g_str_equal (profile, "1"))

    v4l2_profile = 1;

  else if (g_str_equal (profile, "2"))

    v4l2_profile = 2;

  else if (g_str_equal (profile, "3"))

    v4l2_profile = 3;

  else

    GST_WARNING ("Unsupported profile string '%s'", profile);

  return v4l2_profile;

}

static const gchar *

v4l2_profile_to_string (gint v4l2_profile)

{

  switch (v4l2_profile) {

    case 0:

      return "0";

    case 1:

      return "1";

    case 2:

      return "2";

    case 3:

      return "3";

    default:

      GST_WARNING ("Unsupported V4L2 profile %i", v4l2_profile);

      break;

  }

  return NULL;

}

static void

gst_v4l2_vp8_enc_init (GstV4l2Vp8Enc * self)

{

}

static void

gst_v4l2_vp8_enc_class_init (GstV4l2Vp8EncClass * klass)

{

  GstElementClass *element_class;

  GObjectClass *gobject_class;

  GstV4l2VideoEncClass *baseclass;

  parent_class = g_type_class_peek_parent (klass);

  element_class = (GstElementClass *) klass;

  gobject_class = (GObjectClass *) klass;

  baseclass = (GstV4l2VideoEncClass *) (klass);

  GST_DEBUG_CATEGORY_INIT (gst_v4l2_vp8_enc_debug, "v4l2vp8enc", 0,

      "V4L2 VP8 Encoder");

  gst_element_class_set_static_metadata (element_class,

      "V4L2 VP8 Encoder",

      "Codec/Encoder/Video",

      "Encode VP8 video streams via V4L2 API",

      "Nicolas Dufresne 

  gobject_class->set_property =

      GST_DEBUG_FUNCPTR (gst_v4l2_vp8_enc_set_property);

  gobject_class->get_property =

      GST_DEBUG_FUNCPTR (gst_v4l2_vp8_enc_get_property);

  baseclass->codec_name = "VP8";

  baseclass->profile_cid = V4L2_CID_MPEG_VIDEO_VPX_PROFILE;

  baseclass->profile_to_string = v4l2_profile_to_string;

  baseclass->profile_from_string = v4l2_profile_from_string;

}

/* Probing functions */

gboolean

gst_v4l2_is_vp8_enc (GstCaps * sink_caps, GstCaps * src_caps)

{

  return gst_v4l2_is_video_enc (sink_caps, src_caps,

      gst_static_caps_get (&src_template_caps));

}

void

gst_v4l2_vp8_enc_register (GstPlugin * plugin, const gchar * basename,

    const gchar * device_path, GstCaps * sink_caps, GstCaps * src_caps)

{

  gst_v4l2_video_enc_register (plugin, GST_TYPE_V4L2_VP8_ENC,

      "vp8", basename, device_path, sink_caps,

      gst_static_caps_get (&src_template_caps), src_caps);

}