Exemplos de DVDBIN_PREROLL_UNLOCK em C++ (Cpp)

Exemplo n.º 1

Arquivo: resindvdbin.c Projeto: zsx/ossbuild

static void
demux_no_more_pads (GstElement * element, RsnDvdBin * dvdbin)
{
  gboolean no_more_pads = FALSE;
  guint n_audio_pads = 0;

  DVDBIN_PREROLL_LOCK (dvdbin);

  g_object_get (dvdbin->pieces[DVD_ELEM_AUD_SELECT], "n-pads", &n_audio_pads,
      NULL);
  if (n_audio_pads == 0) {
    no_more_pads = dvdbin->video_added && dvdbin->subpicture_added;
    dvdbin->audio_broken = TRUE;
  }

  DVDBIN_PREROLL_UNLOCK (dvdbin);

  if (no_more_pads) {
    GST_DEBUG_OBJECT (dvdbin,
        "Firing no more pads from demuxer no-more-pads cb");
    gst_element_no_more_pads (GST_ELEMENT (dvdbin));
  }
}

Exemplo n.º 2

Arquivo: resindvdbin.c Projeto: zsx/ossbuild

static void
dvdbin_pad_blocked_cb (GstPad * opad, gboolean blocked,
    RsnDvdBinPadBlockCtx * ctx)
{
  RsnDvdBin *dvdbin;
  GstPad *pad;
  gboolean added_last_pad = FALSE;
  gboolean added = FALSE;

  /* If not blocked ctx is NULL! */
  if (!blocked) {
    GST_DEBUG_OBJECT (opad, "Pad unblocked");
    return;
  }

  dvdbin = ctx->dvdbin;
  pad = ctx->pad;

  if (pad == dvdbin->subpicture_pad) {
    GST_DEBUG_OBJECT (opad, "Pad block -> subpicture pad");
    DVDBIN_PREROLL_LOCK (dvdbin);
    added = dvdbin->subpicture_added;
    dvdbin->subpicture_added = TRUE;

    if (!added) {
      gst_element_add_pad (GST_ELEMENT (dvdbin), dvdbin->subpicture_pad);
      added_last_pad = ((dvdbin->audio_broken || dvdbin->audio_added)
          && dvdbin->video_added);
    }
    DVDBIN_PREROLL_UNLOCK (dvdbin);

    gst_pad_set_blocked_async (opad, FALSE,
        (GstPadBlockCallback) dvdbin_pad_blocked_cb, NULL);
  } else if (pad == dvdbin->audio_pad) {
    GST_DEBUG_OBJECT (opad, "Pad block -> audio pad");
    DVDBIN_PREROLL_LOCK (dvdbin);
    added = dvdbin->audio_added;
    dvdbin->audio_added = TRUE;

    if (!added) {
      gst_element_add_pad (GST_ELEMENT (dvdbin), dvdbin->audio_pad);
      added_last_pad = (dvdbin->subpicture_added && dvdbin->video_added);
    }
    DVDBIN_PREROLL_UNLOCK (dvdbin);

    gst_pad_set_blocked_async (opad, FALSE,
        (GstPadBlockCallback) dvdbin_pad_blocked_cb, NULL);
  } else if (pad == dvdbin->video_pad) {
    GST_DEBUG_OBJECT (opad, "Pad block -> video pad");

    DVDBIN_PREROLL_LOCK (dvdbin);
    added = dvdbin->video_added;
    dvdbin->video_added = TRUE;

    if (!added) {
      gst_element_add_pad (GST_ELEMENT (dvdbin), dvdbin->video_pad);
      added_last_pad = (dvdbin->subpicture_added && (dvdbin->audio_added
              || dvdbin->audio_broken));
    }
    DVDBIN_PREROLL_UNLOCK (dvdbin);

    gst_pad_set_blocked_async (opad, FALSE,
        (GstPadBlockCallback) dvdbin_pad_blocked_cb, NULL);
  }

  if (added_last_pad) {
    GST_DEBUG_OBJECT (dvdbin, "Firing no more pads from pad-blocked cb");
    gst_element_no_more_pads (GST_ELEMENT (dvdbin));
  }
}

Exemplo n.º 3

Arquivo: resindvdbin.c Projeto: Distrotech/gst-plugins-bad

static GstPadProbeReturn
dvdbin_pad_blocked_cb (GstPad * opad,
    GstPadProbeInfo * info, RsnDvdBinPadBlockCtx * ctx)
{
  RsnDvdBin *dvdbin;
  GstPad *pad;
  gboolean added_last_pad = FALSE;
  gboolean added = FALSE;
  guint pad_block_id = 0;

  dvdbin = ctx->dvdbin;
  pad = ctx->pad;

  if (pad == dvdbin->subpicture_pad) {
    GST_DEBUG_OBJECT (opad, "Pad block -> subpicture pad");
    DVDBIN_PREROLL_LOCK (dvdbin);
    added = dvdbin->subpicture_added;
    dvdbin->subpicture_added = TRUE;

    if (!added) {
      gst_element_add_pad (GST_ELEMENT (dvdbin), dvdbin->subpicture_pad);
      added_last_pad = ((dvdbin->audio_broken || dvdbin->audio_added)
          && dvdbin->video_added);
    }
    pad_block_id = ctx->pad_block_id;
    ctx->pad_block_id = 0;
    DVDBIN_PREROLL_UNLOCK (dvdbin);

    if (pad_block_id)
      gst_pad_remove_probe (opad, pad_block_id);
  } else if (pad == dvdbin->audio_pad) {
    GST_DEBUG_OBJECT (opad, "Pad block -> audio pad");
    DVDBIN_PREROLL_LOCK (dvdbin);
    added = dvdbin->audio_added;
    dvdbin->audio_added = TRUE;

    if (!added) {
      gst_element_add_pad (GST_ELEMENT (dvdbin), dvdbin->audio_pad);
      added_last_pad = (dvdbin->subpicture_added && dvdbin->video_added);
    }
    pad_block_id = ctx->pad_block_id;
    ctx->pad_block_id = 0;
    DVDBIN_PREROLL_UNLOCK (dvdbin);

    if (pad_block_id)
      gst_pad_remove_probe (opad, pad_block_id);
  } else if (pad == dvdbin->video_pad) {
    GST_DEBUG_OBJECT (opad, "Pad block -> video pad");

    DVDBIN_PREROLL_LOCK (dvdbin);
    added = dvdbin->video_added;
    dvdbin->video_added = TRUE;

    if (!added) {
      gst_element_add_pad (GST_ELEMENT (dvdbin), dvdbin->video_pad);
      added_last_pad = (dvdbin->subpicture_added && (dvdbin->audio_added
              || dvdbin->audio_broken));
    }
    pad_block_id = ctx->pad_block_id;
    ctx->pad_block_id = 0;
    DVDBIN_PREROLL_UNLOCK (dvdbin);

    if (pad_block_id)
      gst_pad_remove_probe (opad, pad_block_id);
  }

  if (added_last_pad) {
    GST_DEBUG_OBJECT (dvdbin, "Firing no more pads from pad-blocked cb");
    rsn_dvdbin_no_more_pads (dvdbin);
  }

  return GST_PAD_PROBE_OK;
}