Exemplos de set_codec_state em C++ (Cpp)

Exemplo n.º 1

Arquivo: gstvaapiencode.c Projeto: 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;
}

Exemplo n.º 2

Arquivo: gstvaapiencode.c Projeto: rexxster/gstreamer-vaapi

static gboolean
gst_vaapiencode_flush (GstVideoEncoder * venc)
{
  GstVaapiEncode *const encode = GST_VAAPIENCODE_CAST (venc);
  GstVaapiEncoderStatus status;

  if (!encode->encoder)
    return FALSE;

  GST_LOG_OBJECT (encode, "flushing");

  status = gst_vaapi_encoder_flush (encode->encoder);
  if (status != GST_VAAPI_ENCODER_STATUS_SUCCESS)
    return FALSE;
  gst_vaapiencode_purge (encode);

  gst_vaapi_encoder_replace (&encode->encoder, NULL);
  if (!ensure_encoder (encode))
    return FALSE;
  if (!set_codec_state (encode, encode->input_state))
    return FALSE;

  return TRUE;
}

Exemplo n.º 3

Arquivo: gstvaapiencode.c Projeto: kris-lab/gstreamer-vaapi

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

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

  if (!ensure_encoder (encode))
    return 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;

  return gst_pad_start_task (GST_VAAPI_PLUGIN_BASE_SRC_PAD (encode),
      (GstTaskFunction) gst_vaapiencode_buffer_loop, encode, NULL);
}