Ejemplo n.º 1
0
static void
set_camerabin2_caps_from_string (void)
{
  GstCaps *caps = NULL;
  if (image_capture_caps_str != NULL) {
    caps = gst_caps_from_string (image_capture_caps_str);
    if (GST_CAPS_IS_SIMPLE (caps) && image_width > 0 && image_height > 0) {
      gst_caps_set_simple (caps, "width", G_TYPE_INT, image_width, "height",
          G_TYPE_INT, image_height, NULL);
    }
    GST_DEBUG ("setting image-capture-caps: %" GST_PTR_FORMAT, caps);
    g_object_set (camerabin, "image-capture-caps", caps, NULL);
    gst_caps_unref (caps);
  }

  if (viewfinder_caps_str != NULL) {
    caps = gst_caps_from_string (viewfinder_caps_str);
    if (GST_CAPS_IS_SIMPLE (caps) && view_framerate_num > 0
        && view_framerate_den > 0) {
      gst_caps_set_simple (caps, "framerate", GST_TYPE_FRACTION,
          view_framerate_num, view_framerate_den, NULL);
    }
    GST_DEBUG ("setting viewfinder-caps: %" GST_PTR_FORMAT, caps);
    g_object_set (camerabin, "viewfinder-caps", caps, NULL);
    gst_caps_unref (caps);
  }

  if (video_capture_caps_str != NULL) {
    caps = gst_caps_from_string (video_capture_caps_str);
    GST_DEBUG ("setting video-capture-caps: %" GST_PTR_FORMAT, caps);
    g_object_set (camerabin, "video-capture-caps", caps, NULL);
    gst_caps_unref (caps);
  }
}
Ejemplo n.º 2
0
/**
 * gst_codec_utils_h265_caps_set_level_tier_and_profile:
 * @caps: the #GstCaps to which the level, tier and profile are to be added
 * @profile_tier_level: Pointer to the profile_tier_level struct
 * @len: Length of the data available in @profile_tier_level.
 *
 * Sets the level, tier and profile in @caps if it can be determined from
 * @profile_tier_level. See gst_codec_utils_h265_get_level(),
 * gst_codec_utils_h265_get_tier() and gst_codec_utils_h265_get_profile()
 * for more details on the parameters.
 *
 * Returns: %TRUE if the level, tier, profile could be set, %FALSE otherwise.
 *
 * Since 1.4
 */
gboolean
gst_codec_utils_h265_caps_set_level_tier_and_profile (GstCaps * caps,
    const guint8 * profile_tier_level, guint len)
{
  const gchar *level, *tier, *profile;

  g_return_val_if_fail (GST_IS_CAPS (caps), FALSE);
  g_return_val_if_fail (GST_CAPS_IS_SIMPLE (caps), FALSE);
  g_return_val_if_fail (GST_SIMPLE_CAPS_HAS_NAME (caps, "video/x-h265"), FALSE);
  g_return_val_if_fail (profile_tier_level != NULL, FALSE);

  level = gst_codec_utils_h265_get_level (profile_tier_level, len);
  if (level != NULL)
    gst_caps_set_simple (caps, "level", G_TYPE_STRING, level, NULL);

  tier = gst_codec_utils_h265_get_tier (profile_tier_level, len);
  if (tier != NULL)
    gst_caps_set_simple (caps, "tier", G_TYPE_STRING, tier, NULL);

  profile = gst_codec_utils_h265_get_profile (profile_tier_level, len);
  if (profile != NULL)
    gst_caps_set_simple (caps, "profile", G_TYPE_STRING, profile, NULL);

  GST_LOG ("profile : %s", (profile) ? profile : "---");
  GST_LOG ("tier    : %s", (tier) ? tier : "---");
  GST_LOG ("level   : %s", (level) ? level : "---");

  return (level != NULL && tier != NULL && profile != NULL);
}
Ejemplo n.º 3
0
static GstCaps *
gst_video_scale_transform_caps (GstBaseTransform * trans,
    GstPadDirection direction, GstCaps * caps)
{
  GstCaps *ret;
  GstStructure *structure;

  /* this function is always called with a simple caps */
  g_return_val_if_fail (GST_CAPS_IS_SIMPLE (caps), NULL);

  GST_DEBUG_OBJECT (trans,
      "Transforming caps %" GST_PTR_FORMAT " in direction %s", caps,
      (direction == GST_PAD_SINK) ? "sink" : "src");

  ret = gst_caps_copy (caps);
  structure = gst_structure_copy (gst_caps_get_structure (ret, 0));

  gst_structure_set (structure,
      "width", GST_TYPE_INT_RANGE, 1, G_MAXINT,
      "height", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL);

  /* if pixel aspect ratio, make a range of it */
  if (gst_structure_has_field (structure, "pixel-aspect-ratio")) {
    gst_structure_set (structure, "pixel-aspect-ratio", GST_TYPE_FRACTION_RANGE,
        1, G_MAXINT, G_MAXINT, 1, NULL);
  }
  gst_caps_append_structure (ret, structure);

  GST_DEBUG_OBJECT (trans, "returning caps: %" GST_PTR_FORMAT, ret);

  return ret;
}
Ejemplo n.º 4
0
static GstCaps *
gst_caps_setter_transform_caps (GstBaseTransform * trans,
    GstPadDirection direction, GstCaps * caps)
{
  GstCapsSetter *filter;
  GstCaps *ret, *filter_caps;
  GstStructure *structure, *merge;
  const gchar *name;
  gint i, j;

  filter = GST_CAPS_SETTER (trans);

  GST_DEBUG_OBJECT (trans, "receiving caps: %" GST_PTR_FORMAT, caps);

  ret = gst_caps_copy (caps);

  /* this function is always called with a simple caps */
  if (!GST_CAPS_IS_SIMPLE (ret) || direction != GST_PAD_SINK)
    return ret;

  structure = gst_caps_get_structure (ret, 0);
  name = gst_structure_get_name (structure);

  GST_OBJECT_LOCK (filter);
  filter_caps = gst_caps_ref (filter->caps);
  GST_OBJECT_UNLOCK (filter);

  for (i = 0; i < gst_caps_get_size (filter_caps); ++i) {
    merge = gst_caps_get_structure (filter_caps, i);
    if (gst_structure_has_name (merge, name) || !filter->join) {

      if (!filter->join)
        gst_structure_set_name (structure, gst_structure_get_name (merge));

      if (filter->replace)
        gst_structure_remove_all_fields (structure);

      for (j = 0; j < gst_structure_n_fields (merge); ++j) {
        const gchar *fname;

        fname = gst_structure_nth_field_name (merge, j);
        gst_structure_set_value (structure, fname,
            gst_structure_get_value (merge, fname));
      }
    }
  }

  GST_DEBUG_OBJECT (trans, "returning caps: %" GST_PTR_FORMAT, ret);

  gst_caps_unref (filter_caps);

  return ret;
}
static gchar *
debug_dump_describe_caps (GstCaps * caps, GstDebugGraphDetails details)
{
  gchar *media = NULL;

  if (details & GST_DEBUG_GRAPH_SHOW_CAPS_DETAILS) {

    if (gst_caps_is_any (caps) || gst_caps_is_empty (caps)) {
      media = gst_caps_to_string (caps);

    } else {
      GString *str = NULL;
      guint i;
      guint slen = 0;

      for (i = 0; i < gst_caps_get_size (caps); i++) {
        slen += 25 +
            STRUCTURE_ESTIMATED_STRING_LEN (gst_caps_get_structure (caps, i));
      }

      str = g_string_sized_new (slen);
      for (i = 0; i < gst_caps_get_size (caps); i++) {
        GstCapsFeatures *features = __gst_caps_get_features_unchecked (caps, i);
        GstStructure *structure = gst_caps_get_structure (caps, i);

        g_string_append (str, gst_structure_get_name (structure));

        if (features && (gst_caps_features_is_any (features)
                || !gst_caps_features_is_equal (features,
                    GST_CAPS_FEATURES_MEMORY_SYSTEM_MEMORY))) {
          g_string_append_c (str, '(');
          priv_gst_caps_features_append_to_gstring (features, str);
          g_string_append_c (str, ')');
        }
        g_string_append (str, "\\l");

        gst_structure_foreach (structure, string_append_field, (gpointer) str);
      }

      media = g_string_free (str, FALSE);
    }

  } else {
    if (GST_CAPS_IS_SIMPLE (caps))
      media =
          g_strdup (gst_structure_get_name (gst_caps_get_structure (caps, 0)));
    else
      media = g_strdup ("*");
  }
  return media;
}
Ejemplo n.º 6
0
/* this is not made atomic because if the buffer were reffed from multiple
 * threads, it would have a refcount > 2 and thus be immutable.
 */
void
gst_buffer_set_caps (GstBuffer * buffer, GstCaps * caps)
{
  g_return_if_fail (buffer != NULL);
  g_return_if_fail (caps == NULL || GST_CAPS_IS_SIMPLE (caps));

#if GST_VERSION_NANO == 1
  /* we enable this extra debugging in git versions only for now */
  g_warn_if_fail (gst_buffer_is_metadata_writable (buffer));
  /* FIXME: would be nice to also check if caps are fixed here, but expensive */
#endif

  gst_caps_replace (&GST_BUFFER_CAPS (buffer), caps);
}
Ejemplo n.º 7
0
static GstCaps *
gst_ffmpegscale_transform_caps (GstBaseTransform * trans,
                                GstPadDirection direction, GstCaps * caps, GstCaps * filter)
{
    GstCaps *ret;
    GstStructure *structure;
    const GValue *par;

    /* this function is always called with a simple caps */
    g_return_val_if_fail (GST_CAPS_IS_SIMPLE (caps), NULL);

    structure = gst_caps_get_structure (caps, 0);

    ret = gst_caps_copy (caps);
    structure = gst_structure_copy (gst_caps_get_structure (ret, 0));

    gst_structure_set (structure,
                       "width", GST_TYPE_INT_RANGE, 1, G_MAXINT,
                       "height", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL);

    ret = gst_caps_merge_structure (ret, gst_structure_copy (structure));

    /* if pixel aspect ratio, make a range of it */
    if ((par = gst_structure_get_value (structure, "pixel-aspect-ratio"))) {
        gst_structure_set (structure,
                           "pixel-aspect-ratio", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL);

        ret = gst_caps_merge_structure (ret, structure);
    } else {
        gst_structure_free (structure);
    }

    /* now also unfix colour space format */
    gst_caps_append (ret, gst_ffmpegscale_caps_remove_format_info (ret));

    GST_DEBUG_OBJECT (trans, "returning caps: %" GST_PTR_FORMAT, ret);

    return ret;
}
Ejemplo n.º 8
0
/* set a list of integer values on the caps, e.g. for sample rates */
static void
gst_ffmpeg_mux_simple_caps_set_int_list (GstCaps * caps, const gchar * field,
    guint num, const gint * values)
{
  GValue list = { 0, };
  GValue val = { 0, };
  gint i;

  g_return_if_fail (GST_CAPS_IS_SIMPLE (caps));

  g_value_init (&list, GST_TYPE_LIST);
  g_value_init (&val, G_TYPE_INT);

  for (i = 0; i < num; ++i) {
    g_value_set_int (&val, values[i]);
    gst_value_list_append_value (&list, &val);
  }

  gst_structure_set_value (gst_caps_get_structure (caps, 0), field, &list);

  g_value_unset (&val);
  g_value_unset (&list);
}
Ejemplo n.º 9
0
/*
 * bt_wave_load_from_uri:
 * @self: the wave to load
 * @uri: the location to load from
 *
 * Load the wavedata from the @uri.
 *
 * Returns: %TRUE if the wavedata could be loaded
 */
static gboolean
bt_wave_load_from_uri (const BtWave * const self, const gchar * const uri)
{
  gboolean res = TRUE, done = FALSE;
  GstElement *pipeline;
  GstElement *src, *dec, *conv, *fmt, *sink;
  GstBus *bus = NULL;
  GstCaps *caps;
  GstMessage *msg;
  GstBtNote root_note = BT_WAVELEVEL_DEFAULT_ROOT_NOTE;

  GST_INFO ("about to load sample %s / %s", self->priv->uri, uri);
  // this leaks!
  //GST_INFO("current dir is %s", g_get_current_dir());

  // check if the url is valid
  // if(!uri) goto invalid_uri;

  // create loader pipeline
  pipeline = gst_pipeline_new ("wave-loader");
  src = gst_element_make_from_uri (GST_URI_SRC, uri, NULL, NULL);
  dec = gst_element_factory_make ("decodebin", NULL);
  conv = gst_element_factory_make ("audioconvert", NULL);
  fmt = gst_element_factory_make ("capsfilter", NULL);
  sink = gst_element_factory_make ("fdsink", NULL);

  // configure elements
  caps = gst_caps_new_simple ("audio/x-raw",
      "format", G_TYPE_STRING, GST_AUDIO_NE (S16),
      "layout", G_TYPE_STRING, "interleaved",
      "rate", GST_TYPE_INT_RANGE, 1, G_MAXINT,
      "channels", GST_TYPE_INT_RANGE, 1, 2, NULL);
  g_object_set (fmt, "caps", caps, NULL);
  gst_caps_unref (caps);

  if ((self->priv->fd = g_file_open_tmp (NULL, NULL, NULL)) == -1) {
    res = FALSE;
    GST_WARNING ("Can't create tempfile.");
    goto Error;
  }
  g_object_set (sink, "fd", self->priv->fd, "sync", FALSE, NULL);

  // add and link
  gst_bin_add_many (GST_BIN (pipeline), src, dec, conv, fmt, sink, NULL);
  res = gst_element_link (src, dec);
  if (!res) {
    GST_WARNING_OBJECT (pipeline,
        "Can't link wave loader pipeline (src ! dec ! conv ! fmt ! sink).");
    goto Error;
  }
  res = gst_element_link_many (conv, fmt, sink, NULL);
  if (!res) {
    GST_WARNING_OBJECT (pipeline,
        "Can't link wave loader pipeline (conf ! fmt ! sink).");
    goto Error;
  }
  g_signal_connect (dec, "pad-added", G_CALLBACK (on_wave_loader_new_pad),
      (gpointer) conv);

  /* TODO(ensonic): during loading wave-data (into wavelevels)
   * - use statusbar for loader progress ("status" property like in song_io)
   * - should we do some size checks to avoid unpacking the audio track of a full
   *   video on a machine with low memory
   *   - if so, how to get real/virtual memory sizes?
   *     mallinfo() not enough, sysconf()?
   */

  bus = gst_element_get_bus (pipeline);

  // play and wait for EOS
  if (gst_element_set_state (pipeline,
          GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE) {
    GST_WARNING_OBJECT (pipeline,
        "Can't set wave loader pipeline for %s / %s to playing",
        self->priv->uri, uri);
    gst_element_set_state (pipeline, GST_STATE_NULL);
    res = FALSE;
    goto Error;
  } else {
    GST_INFO_OBJECT (pipeline, "loading sample ...");
  }

  /* load wave in sync mode, loading them async causes troubles in the
   * persistence code and makes testing complicated */
  while (!done) {
    msg = gst_bus_poll (bus,
        GST_MESSAGE_EOS | GST_MESSAGE_ERROR | GST_MESSAGE_TAG,
        GST_CLOCK_TIME_NONE);
    if (!msg)
      break;

    switch (msg->type) {
      case GST_MESSAGE_EOS:
        res = done = TRUE;
        break;
      case GST_MESSAGE_ERROR:
        BT_GST_LOG_MESSAGE_ERROR (msg, NULL, NULL);
        res = FALSE;
        done = TRUE;
        break;
      case GST_MESSAGE_TAG:{
        GstTagList *tags;
#if GST_CHECK_VERSION(1,3,0)
        guint base_note;
#endif

        gst_message_parse_tag (msg, &tags);
#if GST_CHECK_VERSION(1,3,0)
        if (gst_tag_list_get_uint (tags, GST_TAG_MIDI_BASE_NOTE, &base_note)) {
          // map midi note -> BtNote
          gint octave = base_note / 12;
          gint tone = base_note - (octave * 12);

          root_note = GSTBT_NOTE_C_0 + (octave * 16) + tone;
          GST_INFO_OBJECT (GST_MESSAGE_SRC (msg),
              "root_note: %d (base_note: %u = oct: %d + tone: %d", root_note,
              base_note, octave, tone);
        }
#endif
        gst_tag_list_unref (tags);
        break;
      }
      default:
        break;
    }
    gst_message_unref (msg);
  }

  if (res) {
    GstPad *pad;
    gint64 duration;
    guint64 length = 0;
    gint channels = 1, rate = GST_AUDIO_DEF_RATE;
    gpointer data = NULL;
    struct stat buf;

    res = FALSE;
    GST_INFO ("sample loaded");

    // query length and convert to samples
    if (!gst_element_query_duration (pipeline, GST_FORMAT_TIME, &duration)) {
      GST_WARNING ("getting sample duration failed");
    }
    // get caps for sample rate and channels
    if ((pad = gst_element_get_static_pad (fmt, "src"))) {
      GstCaps *caps = gst_pad_get_current_caps (pad);
      if (caps && GST_CAPS_IS_SIMPLE (caps)) {
        GstStructure *structure = gst_caps_get_structure (caps, 0);

        gst_structure_get_int (structure, "channels", &channels);
        gst_structure_get_int (structure, "rate", &rate);
        length = gst_util_uint64_scale (duration, (guint64) rate, GST_SECOND);
      } else {
        GST_WARNING ("No caps or format has not been fixed.");
      }
      if (caps)
        gst_caps_unref (caps);
      gst_object_unref (pad);
    }

    GST_INFO ("sample decoded: channels=%d, rate=%d, length=%" GST_TIME_FORMAT,
        channels, rate, GST_TIME_ARGS (duration));

    if (!(fstat (self->priv->fd, &buf))) {
      if (lseek (self->priv->fd, 0, SEEK_SET) == 0) {
        if ((data = g_try_malloc (buf.st_size))) {
          /* mmap is unsave for removable drives :(
           * gpointer data=mmap(void *start, buf->st_size, PROT_READ, MAP_SHARED, self->priv->fd, 0);
           */
          BtWavelevel *wavelevel;
          ssize_t bytes = read (self->priv->fd, data, buf.st_size);

          self->priv->channels = channels;
          g_object_notify (G_OBJECT (self), "channels");

          wavelevel = bt_wavelevel_new (self->priv->song, self, root_note,
              (gulong) length, 0, length, rate, (gconstpointer) data);
          g_object_unref (wavelevel);
          GST_INFO ("sample loaded (%" G_GSSIZE_FORMAT "/%ld bytes)", bytes,
              buf.st_size);
          res = TRUE;
        } else {
          GST_WARNING
              ("sample is too long or empty (%ld bytes), not trying to load",
              buf.st_size);
        }
      } else {
        GST_WARNING ("can't seek to start of sample data");
      }
    } else {
      GST_WARNING ("can't stat() sample");
    }
  }

Error:
  if (bus)
    gst_object_unref (bus);
  if (pipeline) {
    gst_element_set_state (pipeline, GST_STATE_NULL);
    gst_object_unref (pipeline);
  }
  if (!res)
    wave_io_free (self);
  return res;
}
Ejemplo n.º 10
0
bool Caps::isSimple() const
{
    return GST_CAPS_IS_SIMPLE(object<GstCaps>());
}
Ejemplo n.º 11
0
static GstCaps *
gst_video_rate_transform_caps (GstBaseTransform * trans,
    GstPadDirection direction, GstCaps * caps)
{
  GstVideoRate *videorate = GST_VIDEO_RATE (trans);
  GstCaps *ret;
  GstStructure *s, *s2;
  GstStructure *s3 = NULL;
  int maxrate = g_atomic_int_get (&videorate->max_rate);

  /* Should always be called with simple caps */
  g_return_val_if_fail (GST_CAPS_IS_SIMPLE (caps), NULL);

  ret = gst_caps_copy (caps);

  s = gst_caps_get_structure (ret, 0);
  s2 = gst_structure_copy (s);

  if (videorate->drop_only) {
    gint min_num = 0, min_denom = 1;
    gint max_num = G_MAXINT, max_denom = 1;

    /* Clamp the caps to our maximum rate as the first caps if possible */
    if (!gst_video_max_rate_clamp_structure (s, maxrate,
            &min_num, &min_denom, &max_num, &max_denom)) {
      min_num = 0;
      min_denom = 1;
      max_num = maxrate;
      max_denom = 1;

      /* clamp wouldn't be a real subset of 1..maxrate, in this case the sink
       * caps should become [1..maxrate], [1..maxint] and the src caps just
       * [1..maxrate].  In case there was a caps incompatibility things will
       * explode later as appropriate :)
       *
       * In case [X..maxrate] == [X..maxint], skip as we'll set it later
       */
      if (direction == GST_PAD_SRC && maxrate != G_MAXINT)
        gst_structure_set (s, "framerate", GST_TYPE_FRACTION_RANGE,
            min_num, min_denom, maxrate, 1, NULL);
      else
        gst_caps_remove_structure (ret, 0);
    }

    if (direction == GST_PAD_SRC) {
      /* We can accept anything as long as it's at least the minimal framerate
       * the the sink needs */
      gst_structure_set (s2, "framerate", GST_TYPE_FRACTION_RANGE,
          min_num, min_denom, G_MAXINT, 1, NULL);

      /* Also allow unknown framerate, if it isn't already */
      if (min_num != 0 || min_denom != 1) {
        s3 = gst_structure_copy (s);
        gst_structure_set (s3, "framerate", GST_TYPE_FRACTION, 0, 1, NULL);
      }
    } else if (max_num != 0 || max_denom != 1) {
      /* We can provide everything upto the maximum framerate at the src */
      gst_structure_set (s2, "framerate", GST_TYPE_FRACTION_RANGE,
          0, 1, max_num, max_denom, NULL);
    }
  } else if (direction == GST_PAD_SINK) {
    gint min_num = 0, min_denom = 1;
    gint max_num = G_MAXINT, max_denom = 1;

    if (!gst_video_max_rate_clamp_structure (s, maxrate,
            &min_num, &min_denom, &max_num, &max_denom))
      gst_caps_remove_structure (ret, 0);

    gst_structure_set (s2, "framerate", GST_TYPE_FRACTION_RANGE, 0, 1,
        maxrate, 1, NULL);
  } else {
    /* set the framerate as a range */
    gst_structure_set (s2, "framerate", GST_TYPE_FRACTION_RANGE, 0, 1,
        G_MAXINT, 1, NULL);
  }

  gst_caps_merge_structure (ret, s2);
  if (s3 != NULL)
    gst_caps_merge_structure (ret, s3);

  return ret;
}
Ejemplo n.º 12
0
/*
 * debug_dump_element:
 * @bin: the bin that should be analyzed
 * @out: file to write to
 * @indent: level of graph indentation
 *
 * Helper for _gst_debug_bin_to_dot_file() to recursively dump a pipeline.
 */
static void
debug_dump_element (GstBin * bin, GstDebugGraphDetails details, FILE * out,
    const gint indent)
{
  GstIterator *element_iter, *pad_iter;
  gboolean elements_done, pads_done;
  GstElement *element, *peer_element, *target_element;
  GstPad *pad, *peer_pad, *target_pad;
  GstPadDirection dir;
  GstCaps *caps;
  GstStructure *structure;
  gboolean free_caps, free_media;
  guint src_pads, sink_pads;
  gchar *media = NULL;
  gchar *pad_name, *element_name;
  gchar *peer_pad_name, *peer_element_name;
  gchar *target_pad_name, *target_element_name;
  gchar *color_name;
  gchar *state_name = NULL;
  gchar *param_name = NULL;
  gchar *spc = NULL;

  spc = g_malloc (1 + indent * 2);
  memset (spc, 32, indent * 2);
  spc[indent * 2] = '\0';

  element_iter = gst_bin_iterate_elements (bin);
  elements_done = FALSE;
  while (!elements_done) {
    switch (gst_iterator_next (element_iter, (gpointer) & element)) {
      case GST_ITERATOR_OK:
        element_name = debug_dump_make_object_name (GST_OBJECT (element));

        if (details & GST_DEBUG_GRAPH_SHOW_STATES) {
          state_name = debug_dump_get_element_state (GST_ELEMENT (element));
        }
        if (details & GST_DEBUG_GRAPH_SHOW_NON_DEFAULT_PARAMS) {
          param_name = debug_dump_get_element_params (GST_ELEMENT (element));
        }
        /* elements */
        fprintf (out, "%ssubgraph cluster_%s {\n", spc, element_name);
        fprintf (out, "%s  fontname=\"Bitstream Vera Sans\";\n", spc);
        fprintf (out, "%s  fontsize=\"8\";\n", spc);
        fprintf (out, "%s  style=filled;\n", spc);
        fprintf (out, "%s  color=black;\n\n", spc);
        fprintf (out, "%s  label=\"<%s>\\n%s%s%s\";\n", spc,
            G_OBJECT_TYPE_NAME (element), GST_OBJECT_NAME (element),
            (state_name ? state_name : ""), (param_name ? param_name : "")
            );
        if (state_name) {
          g_free (state_name);
          state_name = NULL;
        }
        if (param_name) {
          g_free (param_name);
          param_name = NULL;
        }
        g_free (element_name);

        src_pads = sink_pads = 0;
        if ((pad_iter = gst_element_iterate_pads (element))) {
          pads_done = FALSE;
          while (!pads_done) {
            switch (gst_iterator_next (pad_iter, (gpointer) & pad)) {
              case GST_ITERATOR_OK:
                dir = gst_pad_get_direction (pad);
                pad_name = debug_dump_make_object_name (GST_OBJECT (pad));
                element_name =
                    debug_dump_make_object_name (GST_OBJECT (element));
                if (GST_IS_GHOST_PAD (pad)) {
                  color_name =
                      (dir == GST_PAD_SRC) ? "#ffdddd" : ((dir ==
                          GST_PAD_SINK) ? "#ddddff" : "#ffffff");
                } else {
                  color_name =
                      (dir == GST_PAD_SRC) ? "#ffaaaa" : ((dir ==
                          GST_PAD_SINK) ? "#aaaaff" : "#cccccc");
                }
                /* pads */
                fprintf (out,
                    "%s  %s_%s [color=black, fillcolor=\"%s\", label=\"%s\"];\n",
                    spc, element_name, pad_name, color_name,
                    GST_OBJECT_NAME (pad));

                if (dir == GST_PAD_SRC)
                  src_pads++;
                else if (dir == GST_PAD_SINK)
                  sink_pads++;
                g_free (pad_name);
                g_free (element_name);
                gst_object_unref (pad);
                break;
              case GST_ITERATOR_RESYNC:
                gst_iterator_resync (pad_iter);
                break;
              case GST_ITERATOR_ERROR:
              case GST_ITERATOR_DONE:
                pads_done = TRUE;
                break;
            }
          }
          gst_iterator_free (pad_iter);
        }
        if (GST_IS_BIN (element)) {
          fprintf (out, "%s  fillcolor=\"#ffffff\";\n", spc);
          /* recurse */
          debug_dump_element (GST_BIN (element), details, out, indent + 1);
        } else {
          if (src_pads && !sink_pads)
            fprintf (out, "%s  fillcolor=\"#ffaaaa\";\n", spc);
          else if (!src_pads && sink_pads)
            fprintf (out, "%s  fillcolor=\"#aaaaff\";\n", spc);
          else if (src_pads && sink_pads)
            fprintf (out, "%s  fillcolor=\"#aaffaa\";\n", spc);
          else
            fprintf (out, "%s  fillcolor=\"#ffffff\";\n", spc);
        }
        fprintf (out, "%s}\n\n", spc);
        if ((pad_iter = gst_element_iterate_pads (element))) {
          pads_done = FALSE;
          while (!pads_done) {
            switch (gst_iterator_next (pad_iter, (gpointer) & pad)) {
              case GST_ITERATOR_OK:
                if (gst_pad_is_linked (pad)
                    && gst_pad_get_direction (pad) == GST_PAD_SRC) {
                  if ((peer_pad = gst_pad_get_peer (pad))) {
                    free_media = FALSE;
                    if ((details & GST_DEBUG_GRAPH_SHOW_MEDIA_TYPE) ||
                        (details & GST_DEBUG_GRAPH_SHOW_CAPS_DETAILS)
                        ) {
                      if ((caps = gst_pad_get_negotiated_caps (pad))) {
                        free_caps = TRUE;
                      } else {
                        free_caps = FALSE;
                        if (!(caps = (GstCaps *)
                                gst_pad_get_pad_template_caps (pad))) {
                          /* this should not happen */
                          media = "?";
                        }
                      }
                      if (caps) {
                        if (details & GST_DEBUG_GRAPH_SHOW_CAPS_DETAILS) {
                          gchar *tmp =
                              g_strdelimit (gst_caps_to_string (caps), ",",
                              '\n');

                          media = g_strescape (tmp, NULL);
                          free_media = TRUE;
                          g_free (tmp);
                        } else {
                          if (GST_CAPS_IS_SIMPLE (caps)) {
                            structure = gst_caps_get_structure (caps, 0);
                            media =
                                (gchar *) gst_structure_get_name (structure);
                          } else
                            media = "*";
                        }
                        if (free_caps) {
                          gst_caps_unref (caps);
                        }
                      }
                    }

                    pad_name = debug_dump_make_object_name (GST_OBJECT (pad));
                    element_name =
                        debug_dump_make_object_name (GST_OBJECT (element));
                    peer_pad_name =
                        debug_dump_make_object_name (GST_OBJECT (peer_pad));
                    if ((peer_element = gst_pad_get_parent_element (peer_pad))) {
                      peer_element_name =
                          debug_dump_make_object_name (GST_OBJECT
                          (peer_element));
                    } else {
                      peer_element_name = "";
                    }
                    /* pad link */
                    if (media) {
                      fprintf (out, "%s%s_%s -> %s_%s [label=\"%s\"]\n", spc,
                          element_name, pad_name, peer_element_name,
                          peer_pad_name, media);
                      if (free_media) {
                        g_free (media);
                      }
                    } else {
                      fprintf (out, "%s%s_%s -> %s_%s\n", spc,
                          element_name, pad_name, peer_element_name,
                          peer_pad_name);
                    }

                    if (GST_IS_GHOST_PAD (pad)) {
                      if ((target_pad =
                              gst_ghost_pad_get_target (GST_GHOST_PAD (pad)))) {
                        target_pad_name =
                            debug_dump_make_object_name (GST_OBJECT
                            (target_pad));
                        if ((target_element =
                                gst_pad_get_parent_element (target_pad))) {
                          target_element_name =
                              debug_dump_make_object_name (GST_OBJECT
                              (target_element));
                        } else {
                          target_element_name = "";
                        }
                        /* src ghostpad relationship */
                        fprintf (out, "%s%s_%s -> %s_%s [style=dashed]\n", spc,
                            target_element_name, target_pad_name, element_name,
                            pad_name);

                        g_free (target_pad_name);
                        if (target_element) {
                          g_free (target_element_name);
                          gst_object_unref (target_element);
                        }
                        gst_object_unref (target_pad);
                      }
                    }
                    if (GST_IS_GHOST_PAD (peer_pad)) {
                      if ((target_pad =
                              gst_ghost_pad_get_target (GST_GHOST_PAD
                                  (peer_pad)))) {
                        target_pad_name =
                            debug_dump_make_object_name (GST_OBJECT
                            (target_pad));
                        if ((target_element =
                                gst_pad_get_parent_element (target_pad))) {
                          target_element_name =
                              debug_dump_make_object_name (GST_OBJECT
                              (target_element));
                        } else {
                          target_element_name = "";
                        }
                        /* sink ghostpad relationship */
                        fprintf (out, "%s%s_%s -> %s_%s [style=dashed]\n", spc,
                            peer_element_name, peer_pad_name,
                            target_element_name, target_pad_name);

                        g_free (target_pad_name);
                        if (target_element) {
                          g_free (target_element_name);
                          gst_object_unref (target_element);
                        }
                        gst_object_unref (target_pad);
                      }
                    }

                    g_free (pad_name);
                    g_free (element_name);
                    g_free (peer_pad_name);
                    if (peer_element) {
                      g_free (peer_element_name);
                      gst_object_unref (peer_element);
                    }
                    gst_object_unref (peer_pad);
                  }
                }
                gst_object_unref (pad);
                break;
              case GST_ITERATOR_RESYNC:
                gst_iterator_resync (pad_iter);
                break;
              case GST_ITERATOR_ERROR:
              case GST_ITERATOR_DONE:
                pads_done = TRUE;
                break;
            }
          }
          gst_iterator_free (pad_iter);
        }
        gst_object_unref (element);
        break;
      case GST_ITERATOR_RESYNC:
        gst_iterator_resync (element_iter);
        break;
      case GST_ITERATOR_ERROR:
      case GST_ITERATOR_DONE:
        elements_done = TRUE;
        break;
    }
  }
  gst_iterator_free (element_iter);
  g_free (spc);
}
Ejemplo n.º 13
0
/* Method: simple?
 * Returns: whether the caps contains multiple structure.
 */
static VALUE
rg_simple_p (VALUE self)
{
    return CBOOL2RVAL(GST_CAPS_IS_SIMPLE(RGST_CAPS (self)));
}