C++ (Cpp) gst_rm_utils_descramble_dnet_buffer 예제들

예제 #1

파일: rademux.c 프로젝트: dalleau/gst-plugins-ugly

static GstFlowReturn
gst_real_audio_demux_parse_data (GstRealAudioDemux * demux)
{
  GstFlowReturn ret = GST_FLOW_OK;
  guint avail, unit_size;

  avail = gst_adapter_available (demux->adapter);

  if (demux->packet_size > 0)
    unit_size = demux->packet_size;
  else
    unit_size = avail & 0xfffffff0;     /* round down to next multiple of 16 */

  GST_LOG_OBJECT (demux, "available = %u, unit_size = %u", avail, unit_size);

  while (ret == GST_FLOW_OK && unit_size > 0 && avail >= unit_size) {
    GstClockTime ts;
    const guint8 *data;
    GstBuffer *buf = NULL;

    buf = gst_buffer_new_and_alloc (unit_size);
    gst_buffer_set_caps (buf, GST_PAD_CAPS (demux->srcpad));

    data = gst_adapter_peek (demux->adapter, unit_size);
    memcpy (GST_BUFFER_DATA (buf), data, unit_size);
    gst_adapter_flush (demux->adapter, unit_size);
    avail -= unit_size;

    if (demux->need_newsegment) {
      gst_pad_push_event (demux->srcpad,
          gst_event_new_new_segment_full (FALSE, demux->segment.rate,
              demux->segment.applied_rate, GST_FORMAT_TIME,
              demux->segment.start, demux->segment.stop, demux->segment.time));
      demux->need_newsegment = FALSE;
    }

    if (demux->pending_tags) {
      gst_element_found_tags_for_pad (GST_ELEMENT (demux), demux->srcpad,
          demux->pending_tags);
      demux->pending_tags = NULL;
    }

    if (demux->fourcc == GST_RM_AUD_DNET) {
      buf = gst_rm_utils_descramble_dnet_buffer (buf);
    }

    ts = gst_real_demux_get_timestamp_from_offset (demux, demux->offset);
    GST_BUFFER_TIMESTAMP (buf) = ts;

    gst_segment_set_last_stop (&demux->segment, GST_FORMAT_TIME, ts);

    ret = gst_pad_push (demux->srcpad, buf);
  }

  return ret;
}

예제 #2

파일: rademux.c 프로젝트: PeterXu/gst-mobile

static GstFlowReturn
gst_real_audio_demux_parse_data (GstRealAudioDemux * demux)
{
  GstFlowReturn ret = GST_FLOW_OK;
  guint avail, unit_size;

  avail = gst_adapter_available (demux->adapter);

  if (demux->packet_size > 0)
    unit_size = demux->packet_size;
  else
    unit_size = avail & 0xfffffff0;     /* round down to next multiple of 16 */

  GST_LOG_OBJECT (demux, "available = %u, unit_size = %u", avail, unit_size);

  while (ret == GST_FLOW_OK && unit_size > 0 && avail >= unit_size) {
    GstClockTime ts;
    GstBuffer *buf;

    buf = gst_adapter_take_buffer (demux->adapter, unit_size);
    avail -= unit_size;

    if (demux->need_newsegment) {
      gst_pad_push_event (demux->srcpad,
          gst_event_new_segment (&demux->segment));
      demux->need_newsegment = FALSE;
    }

    if (demux->pending_tags) {
      gst_pad_push_event (demux->srcpad,
          gst_event_new_tag (demux->pending_tags));
      demux->pending_tags = NULL;
    }

    if (demux->fourcc == GST_RM_AUD_DNET) {
      buf = gst_rm_utils_descramble_dnet_buffer (buf);
    }

    ts = gst_real_demux_get_timestamp_from_offset (demux, demux->offset);
    GST_BUFFER_TIMESTAMP (buf) = ts;

    demux->segment.position = ts;

    ret = gst_pad_push (demux->srcpad, buf);
  }

  return ret;
}