C++ (Cpp) gst_vaapi_profile_from_caps 예제들

예제 #1

파일: gstvaapidecoder.c 프로젝트: GStreamer/gstreamer-vaapi

static gboolean
set_caps (GstVaapiDecoder * decoder, const GstCaps * caps)
{
  GstVideoCodecState *const codec_state = decoder->codec_state;
  GstStructure *const structure = gst_caps_get_structure (caps, 0);
  GstVaapiProfile profile;
  const GValue *v_codec_data;

  profile = gst_vaapi_profile_from_caps (caps);
  if (!profile)
    return FALSE;

  decoder->codec = gst_vaapi_profile_get_codec (profile);
  if (!decoder->codec)
    return FALSE;

  if (!gst_video_info_from_caps (&codec_state->info, caps))
    return FALSE;

  codec_state->caps = gst_caps_copy (caps);

  v_codec_data = gst_structure_get_value (structure, "codec_data");
  if (v_codec_data)
    gst_buffer_replace (&codec_state->codec_data,
        gst_value_get_buffer (v_codec_data));
  return TRUE;
}

예제 #2

파일: gstvaapiencode.c 프로젝트: rexxster/gstreamer-vaapi

static gboolean
gst_vaapiencode_set_format (GstVideoEncoder * venc, GstVideoCodecState * state)
{
  GstVaapiEncode *const encode = GST_VAAPIENCODE_CAST (venc);
  gboolean ret;

  g_return_val_if_fail (state->caps != NULL, FALSE);

  if (!set_codec_state (encode, state))
    return FALSE;

  if (!gst_vaapi_plugin_base_set_caps (GST_VAAPI_PLUGIN_BASE (encode),
          state->caps, NULL))
    return FALSE;

  if (encode->input_state)
    gst_video_codec_state_unref (encode->input_state);
  encode->input_state = gst_video_codec_state_ref (state);
  encode->input_state_changed = TRUE;

  ret = gst_pad_start_task (GST_VAAPI_PLUGIN_BASE_SRC_PAD (encode),
      (GstTaskFunction) gst_vaapiencode_buffer_loop, encode, NULL);

  if (!ret)
    return FALSE;

  /* Store some tags */
  {
    GstTagList *tags = gst_tag_list_new_empty ();
    const gchar *encoder, *codec;
    guint bitrate = 0;

    g_object_get (encode, "bitrate", &bitrate, NULL);
    gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE, GST_TAG_NOMINAL_BITRATE,
        bitrate, NULL);

    if ((encoder =
            gst_element_class_get_metadata (GST_ELEMENT_GET_CLASS (encode),
                GST_ELEMENT_METADATA_LONGNAME)))
      gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE, GST_TAG_ENCODER, encoder,
          NULL);

    if ((codec =
            gst_vaapi_codec_get_name (gst_vaapi_profile_get_codec
                (gst_vaapi_profile_from_caps (state->caps)))))
      gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE, GST_TAG_CODEC, codec,
          NULL);

    gst_video_encoder_merge_tags (venc, tags, GST_TAG_MERGE_REPLACE);
    gst_tag_list_unref (tags);
  }

  return TRUE;
}

예제 #3

파일: gstvaapidecode.c 프로젝트: zzoon/gstreamer-vaapi

static inline guint
gst_vaapi_codec_from_caps (GstCaps * caps)
{
  return gst_vaapi_profile_get_codec (gst_vaapi_profile_from_caps (caps));
}