C++ (Cpp) gst_vaapi_profile_get_media_type_nameの例

コード例 #1

ファイル: gstvaapidecode.c プロジェクト: zzoon/gstreamer-vaapi

static gboolean
gst_vaapidecode_ensure_allowed_sinkpad_caps (GstVaapiDecode * decode)
{
  GstCaps *caps, *allowed_sinkpad_caps;
  GArray *profiles;
  guint i;

  profiles =
      gst_vaapi_display_get_decode_profiles (GST_VAAPI_PLUGIN_BASE_DISPLAY
      (decode));
  if (!profiles)
    goto error_no_profiles;

  allowed_sinkpad_caps = gst_caps_new_empty ();
  if (!allowed_sinkpad_caps)
    goto error_no_memory;

  for (i = 0; i < profiles->len; i++) {
    const GstVaapiProfile profile =
        g_array_index (profiles, GstVaapiProfile, i);
    const gchar *media_type_name;
    const gchar *profile_name;
    GstStructure *structure;

    media_type_name = gst_vaapi_profile_get_media_type_name (profile);
    if (!media_type_name)
      continue;

    caps = gst_caps_from_string (media_type_name);
    if (!caps)
      continue;
    structure = gst_caps_get_structure (caps, 0);

    profile_name = gst_vaapi_profile_get_name (profile);
    if (profile_name)
      gst_structure_set (structure, "profile", G_TYPE_STRING,
          profile_name, NULL);

    allowed_sinkpad_caps = gst_caps_merge (allowed_sinkpad_caps, caps);
  }
  decode->allowed_sinkpad_caps = gst_caps_simplify (allowed_sinkpad_caps);

  g_array_unref (profiles);
  return TRUE;

  /* ERRORS */
error_no_profiles:
  {
    GST_ERROR ("failed to retrieve VA decode profiles");
    return FALSE;
  }
error_no_memory:
  {
    GST_ERROR ("failed to allocate allowed-caps set");
    g_array_unref (profiles);
    return FALSE;
  }
}

コード例 #2

ファイル: gstvaapidecode.c プロジェクト: ceyusa/gstreamer-vaapi

static gboolean
gst_vaapidecode_ensure_allowed_sinkpad_caps (GstVaapiDecode * decode)
{
  GstCaps *caps, *allowed_sinkpad_caps;
  GArray *profiles;
  guint i;
  gboolean base_only = FALSE;
  gboolean have_high = FALSE;
  gboolean have_mvc = FALSE;
  gboolean have_svc = FALSE;

  profiles =
      gst_vaapi_display_get_decode_profiles (GST_VAAPI_PLUGIN_BASE_DISPLAY
      (decode));
  if (!profiles)
    goto error_no_profiles;

  allowed_sinkpad_caps = gst_caps_new_empty ();
  if (!allowed_sinkpad_caps)
    goto error_no_memory;

  if (g_object_class_find_property (G_OBJECT_GET_CLASS (decode), "base-only")) {
    g_object_get (decode, "base-only", &base_only, NULL);
  }

  for (i = 0; i < profiles->len; i++) {
    const GstVaapiProfile profile =
        g_array_index (profiles, GstVaapiProfile, i);
    const gchar *media_type_name;
    const gchar *profile_name;
    GstStructure *structure;

    media_type_name = gst_vaapi_profile_get_media_type_name (profile);
    if (!media_type_name)
      continue;

    caps = gst_caps_from_string (media_type_name);
    if (!caps)
      continue;
    structure = gst_caps_get_structure (caps, 0);

    profile_name = gst_vaapi_profile_get_name (profile);
    if (profile_name)
      gst_structure_set (structure, "profile", G_TYPE_STRING,
          profile_name, NULL);

    allowed_sinkpad_caps = gst_caps_merge (allowed_sinkpad_caps, caps);
    have_mvc |= is_mvc_profile (profile);
    have_svc |= is_svc_profile (profile);
    have_high |= profile == GST_VAAPI_PROFILE_H264_HIGH;
  }

  if (have_high) {
    allowed_sinkpad_caps =
        add_h264_profile_in_caps (allowed_sinkpad_caps, "progressive-high");
    allowed_sinkpad_caps =
        add_h264_profile_in_caps (allowed_sinkpad_caps, "constrained-high");
  }

  if (base_only && (!have_mvc || !have_svc) && have_high) {
    if (!have_mvc) {
      GST_DEBUG ("base_only: force adding MVC profiles in caps");

      allowed_sinkpad_caps =
          add_h264_profile_in_caps (allowed_sinkpad_caps, "multiview-high");
      allowed_sinkpad_caps =
          add_h264_profile_in_caps (allowed_sinkpad_caps, "stereo-high");
    }

    if (!have_svc) {
      GST_DEBUG ("base_only: force adding SVC profiles in caps");

      allowed_sinkpad_caps =
          add_h264_profile_in_caps (allowed_sinkpad_caps,
          "scalable-constrained-baseline");
      allowed_sinkpad_caps =
          add_h264_profile_in_caps (allowed_sinkpad_caps, "scalable-baseline");
      allowed_sinkpad_caps =
          add_h264_profile_in_caps (allowed_sinkpad_caps,
          "scalable-high-intra");
      allowed_sinkpad_caps =
          add_h264_profile_in_caps (allowed_sinkpad_caps,
          "scalable-constrained-high");
      allowed_sinkpad_caps =
          add_h264_profile_in_caps (allowed_sinkpad_caps, "scalable-high");
    }
  }
  decode->allowed_sinkpad_caps = gst_caps_simplify (allowed_sinkpad_caps);

  g_array_unref (profiles);
  return TRUE;

  /* ERRORS */
error_no_profiles:
  {
    GST_ERROR ("failed to retrieve VA decode profiles");
    return FALSE;
  }
error_no_memory:
  {
    GST_ERROR ("failed to allocate allowed-caps set");
    g_array_unref (profiles);
    return FALSE;
  }
}