コード例 #1
0
ファイル: encoder.c プロジェクト: csdanping/gstreamill
static GstPadProbeReturn encoder_appsink_event_probe (GstPad *pad, GstPadProbeInfo *info, gpointer data)
{
        GstEvent *event = gst_pad_probe_info_get_event (info);
        Encoder *encoder = data;
        GstClockTime timestamp, running_time, stream_time;
        gboolean all_headers;
        guint count;

        if (GST_EVENT_TYPE (event) == GST_EVENT_EOS) {
                GST_ERROR ("End of Stream of encoder %s", encoder->name);
                *(encoder->output->eos) = TRUE;
                return GST_PAD_PROBE_OK;
        }

        if (!gst_video_event_is_force_key_unit (event)) {
                return GST_PAD_PROBE_OK;
        }

        /* force key unit event */
        gst_video_event_parse_downstream_force_key_unit (event, &timestamp, &stream_time, &running_time, &all_headers, &count);
        if (encoder->last_segment_duration != 0) {
                encoder->last_running_time = timestamp;
        }

        return GST_PAD_PROBE_OK;
}
コード例 #2
0
ファイル: mpegtsmux.c プロジェクト: kanongil/gst-plugins-bad
static gboolean
mpegtsmux_sink_event (GstPad * pad, GstEvent * event)
{
  MpegTsMux *mux = GST_MPEG_TSMUX (gst_pad_get_parent (pad));
  MpegTsPadData *ts_data;
  gboolean res = TRUE;
  gboolean forward = TRUE;

  ts_data = (MpegTsPadData *) gst_pad_get_element_private (pad);

  switch (GST_EVENT_TYPE (event)) {
    case GST_EVENT_CUSTOM_DOWNSTREAM:
    {
      GstClockTime timestamp, stream_time, running_time;
      gboolean all_headers;
      guint count;

      if (!gst_video_event_is_force_key_unit (event))
        goto out;

      forward = FALSE;

      gst_video_event_parse_downstream_force_key_unit (event,
          &timestamp, &stream_time, &running_time, &all_headers, &count);
      GST_INFO_OBJECT (mux, "have downstream force-key-unit event on pad %s, "
          "seqnum %d, running-time %" GST_TIME_FORMAT " count %d",
          gst_pad_get_name (pad), gst_event_get_seqnum (event),
          GST_TIME_ARGS (running_time), count);

      if (mux->force_key_unit_event != NULL) {
        GST_INFO_OBJECT (mux, "skipping downstream force key unit event "
            "as an upstream force key unit is already queued");
        goto out;
      }

      if (!all_headers)
        goto out;

      mux->pending_key_unit_ts = running_time;
      gst_event_replace (&mux->force_key_unit_event, event);
      break;
    }
    default:
      break;
  }

out:
  if (forward)
    res = ts_data->eventfunc (pad, event);

  gst_object_unref (mux);
  return res;
}
コード例 #3
0
static GstPadProbeReturn
gst_hls_sink_ghost_event_probe (GstPad * pad, GstPadProbeInfo * info,
    gpointer data)
{
  GstHlsSink *sink = GST_HLS_SINK_CAST (data);
  GstEvent *event = gst_pad_probe_info_get_event (info);

  switch (GST_EVENT_TYPE (event)) {
    case GST_EVENT_SEGMENT:
    {
      gst_event_copy_segment (event, &sink->segment);
      break;
    }
    case GST_EVENT_FLUSH_STOP:
      gst_segment_init (&sink->segment, GST_FORMAT_UNDEFINED);
      break;
    case GST_EVENT_CUSTOM_DOWNSTREAM:
    {
      GstClockTime timestamp;
      GstClockTime running_time, stream_time;
      gboolean all_headers;
      guint count;

      if (!gst_video_event_is_force_key_unit (event))
        break;

      gst_event_replace (&sink->force_key_unit_event, event);
      gst_video_event_parse_downstream_force_key_unit (event,
          &timestamp, &stream_time, &running_time, &all_headers, &count);
      GST_INFO_OBJECT (sink, "setting index %d", count);
      sink->index = count;
      break;
    }
    default:
      break;
  }

  return GST_PAD_PROBE_OK;
}
コード例 #4
0
static gboolean
gst_multi_file_sink_event (GstBaseSink * sink, GstEvent * event)
{
  GstMultiFileSink *multifilesink;
  gchar *filename;

  multifilesink = GST_MULTI_FILE_SINK (sink);

  switch (GST_EVENT_TYPE (event)) {
    case GST_EVENT_CUSTOM_DOWNSTREAM:
    {
      GstClockTime timestamp, duration;
      GstClockTime running_time, stream_time;
      guint64 offset, offset_end;
      gboolean all_headers;
      guint count;

      if (multifilesink->next_file != GST_MULTI_FILE_SINK_NEXT_KEY_UNIT_EVENT ||
          !gst_video_event_is_force_key_unit (event))
        goto out;

      gst_video_event_parse_downstream_force_key_unit (event, &timestamp,
          &stream_time, &running_time, &all_headers, &count);

      if (multifilesink->force_key_unit_count != -1 &&
          multifilesink->force_key_unit_count == count)
        goto out;

      multifilesink->force_key_unit_count = count;

      if (multifilesink->file) {
        duration = GST_CLOCK_TIME_NONE;
        offset = offset_end = -1;
        filename = g_strdup_printf (multifilesink->filename,
            multifilesink->index);

        gst_multi_file_sink_close_file (multifilesink, NULL);

        gst_multi_file_sink_post_message_full (multifilesink, timestamp,
            duration, offset, offset_end, running_time, stream_time, filename);
        g_free (filename);
      }

      if (multifilesink->file == NULL) {
        if (!gst_multi_file_sink_open_next_file (multifilesink))
          goto stdio_write_error;
      }

      break;
    }
    case GST_EVENT_EOS:
      if (multifilesink->aggregate_gops) {
        GstBuffer *buf = gst_buffer_new ();

        /* push key unit buffer to force writing out the pending GOP data */
        GST_INFO_OBJECT (sink, "EOS, write pending GOP data");
        GST_BUFFER_FLAG_UNSET (buf, GST_BUFFER_FLAG_DELTA_UNIT);
        gst_multi_file_sink_render (sink, buf);
        gst_buffer_unref (buf);
      }
      if (multifilesink->file) {
        gchar *filename;

        filename = g_strdup_printf (multifilesink->filename,
            multifilesink->index);

        gst_multi_file_sink_close_file (multifilesink, NULL);

        gst_multi_file_sink_post_message_from_time (multifilesink,
            GST_BASE_SINK (multifilesink)->segment.position, -1, filename);
        g_free (filename);
      }
      break;
    default:
      break;
  }

out:
  return GST_BASE_SINK_CLASS (parent_class)->event (sink, event);

  /* ERRORS */
stdio_write_error:
  {
    GST_ELEMENT_ERROR (multifilesink, RESOURCE, WRITE,
        ("Error while writing to file."), (NULL));
    gst_event_unref (event);
    return FALSE;
  }
}
コード例 #5
0
ファイル: mpegtsmux.c プロジェクト: kanongil/gst-plugins-bad
static GstFlowReturn
mpegtsmux_collected (GstCollectPads2 * pads, MpegTsMux * mux)
{
  GstFlowReturn ret = GST_FLOW_OK;
  MpegTsPadData *best = NULL;

  GST_DEBUG_OBJECT (mux, "Pads collected");

  if (G_UNLIKELY (mux->first)) {
    ret = mpegtsmux_create_streams (mux);
    if (G_UNLIKELY (ret != GST_FLOW_OK))
      return ret;

    mpegtsdemux_prepare_srcpad (mux);

    mux->first = FALSE;
  }

  best = mpegtsmux_choose_best_stream (mux);

  if (best != NULL) {
    TsMuxProgram *prog = best->prog;
    GstBuffer *buf = best->queued_buf;
    gint64 pts = -1;
    gboolean delta = TRUE;

    if (prog == NULL) {
      GST_ELEMENT_ERROR (mux, STREAM, MUX,
          ("Stream on pad %" GST_PTR_FORMAT
              " is not associated with any program", COLLECT_DATA_PAD (best)),
          (NULL));
      return GST_FLOW_ERROR;
    }

    if (mux->force_key_unit_event != NULL && best->stream->is_video_stream) {
      GstEvent *event;

      event = check_pending_key_unit_event (mux->force_key_unit_event,
          &best->collect.segment, GST_BUFFER_TIMESTAMP (buf),
          GST_BUFFER_FLAGS (buf), mux->pending_key_unit_ts);
      if (event) {
        GstClockTime running_time;
        guint count;
        GList *cur;

        mux->pending_key_unit_ts = GST_CLOCK_TIME_NONE;
        gst_event_replace (&mux->force_key_unit_event, NULL);

        gst_video_event_parse_downstream_force_key_unit (event,
            NULL, NULL, &running_time, NULL, &count);

        GST_INFO_OBJECT (mux, "pushing downstream force-key-unit event %d "
            "%" GST_TIME_FORMAT " count %d", gst_event_get_seqnum (event),
            GST_TIME_ARGS (running_time), count);
        gst_pad_push_event (mux->srcpad, event);

        /* output PAT */
        mux->tsmux->last_pat_ts = -1;

        /* output PMT for each program */
        for (cur = g_list_first (mux->tsmux->programs); cur != NULL;
            cur = g_list_next (cur)) {
          TsMuxProgram *program = (TsMuxProgram *) cur->data;

          program->last_pmt_ts = -1;
        }
        tsmux_program_set_pcr_stream (prog, NULL);
      }
    }

    if (G_UNLIKELY (prog->pcr_stream == NULL)) {
      /* Take the first data stream for the PCR */
      GST_DEBUG_OBJECT (COLLECT_DATA_PAD (best),
          "Use stream (pid=%d) from pad as PCR for program (prog_id = %d)",
          MPEG_TS_PAD_DATA (best)->pid, MPEG_TS_PAD_DATA (best)->prog_id);

      /* Set the chosen PCR stream */
      tsmux_program_set_pcr_stream (prog, best->stream);
    }

    g_return_val_if_fail (buf != NULL, GST_FLOW_ERROR);
    if (best->stream->is_video_stream)
      delta = GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_DELTA_UNIT);
    GST_DEBUG_OBJECT (mux, "delta: %d", delta);

    GST_DEBUG_OBJECT (COLLECT_DATA_PAD (best),
        "Chose stream for output (PID: 0x%04x)", best->pid);

    if (GST_CLOCK_TIME_IS_VALID (best->cur_ts)) {
      pts = GSTTIME_TO_MPEGTIME (best->cur_ts);
      GST_DEBUG_OBJECT (mux, "Buffer has TS %" GST_TIME_FORMAT " pts %"
          G_GINT64_FORMAT, GST_TIME_ARGS (best->cur_ts), pts);
    }

    tsmux_stream_add_data (best->stream, GST_BUFFER_DATA (buf),
        GST_BUFFER_SIZE (buf), buf, pts, -1, !delta);
    best->queued_buf = NULL;

    mux->is_delta = delta;
    while (tsmux_stream_bytes_in_buffer (best->stream) > 0) {
      if (!tsmux_write_stream_packet (mux->tsmux, best->stream)) {
        /* Failed writing data for some reason. Set appropriate error */
        GST_DEBUG_OBJECT (mux, "Failed to write data packet");
        GST_ELEMENT_ERROR (mux, STREAM, MUX,
            ("Failed writing output data to stream %04x", best->stream->id),
            (NULL));
        goto write_fail;
      }
    }
    if (prog->pcr_stream == best->stream) {
      mux->last_ts = best->last_ts;
    }
  } else {
    /* FIXME: Drain all remaining streams */
    /* At EOS */
    gst_pad_push_event (mux->srcpad, gst_event_new_eos ());
  }

  return ret;
write_fail:
  return mux->last_flow_ret;
}