static void debug_dump_element_pad (GstPad * pad, GstElement * element, GstDebugGraphDetails details, FILE * out, const gint indent) { GstElement *target_element; GstPad *target_pad, *tmp_pad; GstPadDirection dir; gchar *element_name; gchar *target_element_name; const gchar *color_name; dir = gst_pad_get_direction (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"); /* output target-pad so that it belongs to this element */ if ((tmp_pad = gst_ghost_pad_get_target (GST_GHOST_PAD (pad)))) { if ((target_pad = gst_pad_get_peer (tmp_pad))) { gchar *pad_name, *target_pad_name; const gchar *spc = &spaces[MAX (sizeof (spaces) - (1 + indent * 2), 0)]; 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 = g_strdup (""); } debug_dump_pad (target_pad, color_name, target_element_name, details, out, indent); /* src ghostpad relationship */ pad_name = debug_dump_make_object_name (GST_OBJECT (pad)); target_pad_name = debug_dump_make_object_name (GST_OBJECT (target_pad)); if (dir == GST_PAD_SRC) { fprintf (out, "%s%s_%s -> %s_%s [style=dashed, minlen=0]\n", spc, target_element_name, target_pad_name, element_name, pad_name); } else { fprintf (out, "%s%s_%s -> %s_%s [style=dashed, minlen=0]\n", spc, element_name, pad_name, target_element_name, target_pad_name); } g_free (target_pad_name); g_free (target_element_name); if (target_element) gst_object_unref (target_element); gst_object_unref (target_pad); g_free (pad_name); } gst_object_unref (tmp_pad); } } else { color_name = (dir == GST_PAD_SRC) ? "#ffaaaa" : ((dir == GST_PAD_SINK) ? "#aaaaff" : "#cccccc"); } /* pads */ debug_dump_pad (pad, color_name, element_name, details, out, indent); g_free (element_name); }
static void debug_dump_pad (GstPad * pad, const gchar * color_name, const gchar * element_name, GstDebugGraphDetails details, FILE * out, const gint indent) { GstPadTemplate *pad_templ; GstPadPresence presence; gchar *pad_name; const gchar *style_name; const gchar *spc = &spaces[MAX (sizeof (spaces) - (1 + indent * 2), 0)]; pad_name = debug_dump_make_object_name (GST_OBJECT (pad)); /* pad availability */ style_name = "filled,solid"; if ((pad_templ = gst_pad_get_pad_template (pad))) { presence = GST_PAD_TEMPLATE_PRESENCE (pad_templ); if (presence == GST_PAD_SOMETIMES) { style_name = "filled,dotted"; } else if (presence == GST_PAD_REQUEST) { style_name = "filled,dashed"; } } if (details & GST_DEBUG_GRAPH_SHOW_STATES) { gchar pad_flags[4]; const gchar *activation_mode = "-><"; /* check if pad flags */ pad_flags[0] = GST_OBJECT_FLAG_IS_SET (pad, GST_PAD_FLAG_BLOCKED) ? 'B' : 'b'; pad_flags[1] = GST_OBJECT_FLAG_IS_SET (pad, GST_PAD_FLAG_FLUSHING) ? 'F' : 'f'; pad_flags[2] = GST_OBJECT_FLAG_IS_SET (pad, GST_PAD_FLAG_BLOCKING) ? 'B' : 'b'; pad_flags[3] = '\0'; fprintf (out, "%s %s_%s [color=black, fillcolor=\"%s\", label=\"%s\\n[%c][%s]\", height=\"0.2\", style=\"%s\"];\n", spc, element_name, pad_name, color_name, GST_OBJECT_NAME (pad), activation_mode[pad->mode], pad_flags, style_name); } else { fprintf (out, "%s %s_%s [color=black, fillcolor=\"%s\", label=\"%s\", height=\"0.2\", style=\"%s\"];\n", spc, element_name, pad_name, color_name, GST_OBJECT_NAME (pad), style_name); } g_free (pad_name); }
static void debug_dump_element_pads (GstIterator * pad_iter, GstPad * pad, GstElement * element, GstDebugGraphDetails details, GString * str, const gint indent, guint * num_pads, gchar * cluster_name, gchar ** first_pad_name) { GValue item = { 0, }; gboolean pads_done; const gchar *spc = MAKE_INDENT (indent); pads_done = FALSE; while (!pads_done) { switch (gst_iterator_next (pad_iter, &item)) { case GST_ITERATOR_OK: pad = g_value_get_object (&item); if (!*num_pads) { g_string_append_printf (str, "%ssubgraph cluster_%s {\n", spc, cluster_name); g_string_append_printf (str, "%s label=\"\";\n", spc); g_string_append_printf (str, "%s style=\"invis\";\n", spc); (*first_pad_name) = debug_dump_make_object_name (GST_OBJECT (pad)); } debug_dump_element_pad (pad, element, details, str, indent); (*num_pads)++; g_value_reset (&item); break; case GST_ITERATOR_RESYNC: gst_iterator_resync (pad_iter); break; case GST_ITERATOR_ERROR: case GST_ITERATOR_DONE: pads_done = TRUE; break; } } if (*num_pads) { g_string_append_printf (str, "%s}\n\n", spc); } }
/* * 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, GString * str, const gint indent) { GstIterator *element_iter, *pad_iter; gboolean elements_done, pads_done; GValue item = { 0, }; GValue item2 = { 0, }; GstElement *element; GstPad *pad = NULL; guint src_pads, sink_pads; gchar *element_name; gchar *state_name = NULL; gchar *param_name = NULL; const gchar *spc = &spaces[MAX (sizeof (spaces) - (1 + indent * 2), 0)]; element_iter = gst_bin_iterate_elements (bin); elements_done = FALSE; while (!elements_done) { switch (gst_iterator_next (element_iter, &item)) { case GST_ITERATOR_OK: element = g_value_get_object (&item); 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), details); } /* elements */ g_string_append_printf (str, "%ssubgraph cluster_%s {\n", spc, element_name); g_string_append_printf (str, "%s fontname=\"Bitstream Vera Sans\";\n", spc); g_string_append_printf (str, "%s fontsize=\"8\";\n", spc); g_string_append_printf (str, "%s style=filled;\n", spc); g_string_append_printf (str, "%s color=black;\n\n", spc); g_string_append_printf (str, "%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_sink_pads (element))) { debug_dump_element_pads (pad_iter, pad, element, details, str, indent, &src_pads, &sink_pads); gst_iterator_free (pad_iter); } if ((pad_iter = gst_element_iterate_src_pads (element))) { debug_dump_element_pads (pad_iter, pad, element, details, str, indent, &src_pads, &sink_pads); gst_iterator_free (pad_iter); } if (GST_IS_BIN (element)) { g_string_append_printf (str, "%s fillcolor=\"#ffffff\";\n", spc); /* recurse */ debug_dump_element (GST_BIN (element), details, str, indent + 1); } else { if (src_pads && !sink_pads) g_string_append_printf (str, "%s fillcolor=\"#ffaaaa\";\n", spc); else if (!src_pads && sink_pads) g_string_append_printf (str, "%s fillcolor=\"#aaaaff\";\n", spc); else if (src_pads && sink_pads) g_string_append_printf (str, "%s fillcolor=\"#aaffaa\";\n", spc); else g_string_append_printf (str, "%s fillcolor=\"#ffffff\";\n", spc); } g_string_append_printf (str, "%s}\n\n", spc); if ((pad_iter = gst_element_iterate_pads (element))) { pads_done = FALSE; while (!pads_done) { switch (gst_iterator_next (pad_iter, &item2)) { case GST_ITERATOR_OK: pad = g_value_get_object (&item2); if (gst_pad_is_linked (pad)) { if (gst_pad_get_direction (pad) == GST_PAD_SRC) { debug_dump_element_pad_link (pad, element, details, str, indent); } else { GstPad *peer_pad = gst_pad_get_peer (pad); if (peer_pad) { if (!GST_IS_GHOST_PAD (peer_pad) && GST_IS_PROXY_PAD (peer_pad)) { debug_dump_element_pad_link (peer_pad, NULL, details, str, indent); } gst_object_unref (peer_pad); } } } g_value_reset (&item2); break; case GST_ITERATOR_RESYNC: gst_iterator_resync (pad_iter); break; case GST_ITERATOR_ERROR: case GST_ITERATOR_DONE: pads_done = TRUE; break; } } g_value_unset (&item2); gst_iterator_free (pad_iter); } g_value_reset (&item); break; case GST_ITERATOR_RESYNC: gst_iterator_resync (element_iter); break; case GST_ITERATOR_ERROR: case GST_ITERATOR_DONE: elements_done = TRUE; break; } } g_value_unset (&item); gst_iterator_free (element_iter); }
static void debug_dump_element_pad_link (GstPad * pad, GstElement * element, GstDebugGraphDetails details, GString * str, const gint indent) { GstElement *peer_element; GstPad *peer_pad; GstCaps *caps, *peer_caps; gchar *media = NULL; gchar *media_src = NULL, *media_sink = NULL; gchar *pad_name, *element_name; gchar *peer_pad_name, *peer_element_name; const gchar *spc = &spaces[MAX (sizeof (spaces) - (1 + indent * 2), 0)]; if ((peer_pad = gst_pad_get_peer (pad))) { if ((details & GST_DEBUG_GRAPH_SHOW_MEDIA_TYPE) || (details & GST_DEBUG_GRAPH_SHOW_CAPS_DETAILS) ) { caps = gst_pad_get_current_caps (pad); if (!caps) caps = gst_pad_get_pad_template_caps (pad); peer_caps = gst_pad_get_current_caps (peer_pad); if (!peer_caps) peer_caps = gst_pad_get_pad_template_caps (peer_pad); media = debug_dump_describe_caps (caps, details); /* check if peer caps are different */ if (peer_caps && !gst_caps_is_equal (caps, peer_caps)) { gchar *tmp; tmp = debug_dump_describe_caps (peer_caps, details); if (gst_pad_get_direction (pad) == GST_PAD_SRC) { media_src = media; media_sink = tmp; } else { media_src = tmp; media_sink = media; } media = NULL; } gst_caps_unref (peer_caps); gst_caps_unref (caps); } pad_name = debug_dump_make_object_name (GST_OBJECT (pad)); if (element) { element_name = debug_dump_make_object_name (GST_OBJECT (element)); } else { element_name = g_strdup (""); } 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 = g_strdup (""); } /* pad link */ if (media) { g_string_append_printf (str, "%s%s_%s -> %s_%s [label=\"%s\"]\n", spc, element_name, pad_name, peer_element_name, peer_pad_name, media); g_free (media); } else if (media_src && media_sink) { /* dot has some issues with placement of head and taillabels, * we need an empty label to make space */ g_string_append_printf (str, "%s%s_%s -> %s_%s [labeldistance=\"10\", labelangle=\"0\", " "label=\" \", " "taillabel=\"%s\", headlabel=\"%s\"]\n", spc, element_name, pad_name, peer_element_name, peer_pad_name, media_src, media_sink); g_free (media_src); g_free (media_sink); } else { g_string_append_printf (str, "%s%s_%s -> %s_%s\n", spc, element_name, pad_name, peer_element_name, peer_pad_name); } g_free (pad_name); g_free (element_name); g_free (peer_pad_name); g_free (peer_element_name); if (peer_element) gst_object_unref (peer_element); gst_object_unref (peer_pad); } }
static void debug_dump_pad (GstPad * pad, const gchar * color_name, const gchar * element_name, GstDebugGraphDetails details, GString * str, const gint indent) { GstPadTemplate *pad_templ; GstPadPresence presence; gchar *pad_name; const gchar *style_name; const gchar *spc = &spaces[MAX (sizeof (spaces) - (1 + indent * 2), 0)]; pad_name = debug_dump_make_object_name (GST_OBJECT (pad)); /* pad availability */ style_name = "filled,solid"; if ((pad_templ = gst_pad_get_pad_template (pad))) { presence = GST_PAD_TEMPLATE_PRESENCE (pad_templ); gst_object_unref (pad_templ); if (presence == GST_PAD_SOMETIMES) { style_name = "filled,dotted"; } else if (presence == GST_PAD_REQUEST) { style_name = "filled,dashed"; } } if (details & GST_DEBUG_GRAPH_SHOW_STATES) { gchar pad_flags[4]; const gchar *activation_mode = "-><"; const gchar *task_mode = ""; GstTask *task; GST_OBJECT_LOCK (pad); task = GST_PAD_TASK (pad); if (task) { switch (gst_task_get_state (task)) { case GST_TASK_STARTED: task_mode = "[T]"; break; case GST_TASK_PAUSED: task_mode = "[t]"; break; default: /* Invalid task state, ignoring */ break; } } GST_OBJECT_UNLOCK (pad); /* check if pad flags */ pad_flags[0] = GST_OBJECT_FLAG_IS_SET (pad, GST_PAD_FLAG_BLOCKED) ? 'B' : 'b'; pad_flags[1] = GST_OBJECT_FLAG_IS_SET (pad, GST_PAD_FLAG_FLUSHING) ? 'F' : 'f'; pad_flags[2] = GST_OBJECT_FLAG_IS_SET (pad, GST_PAD_FLAG_BLOCKING) ? 'B' : 'b'; pad_flags[3] = '\0'; g_string_append_printf (str, "%s %s_%s [color=black, fillcolor=\"%s\", label=\"%s\\n[%c][%s]%s\", height=\"0.2\", style=\"%s\"];\n", spc, element_name, pad_name, color_name, GST_OBJECT_NAME (pad), activation_mode[pad->mode], pad_flags, task_mode, style_name); } else { g_string_append_printf (str, "%s %s_%s [color=black, fillcolor=\"%s\", label=\"%s\", height=\"0.2\", style=\"%s\"];\n", spc, element_name, pad_name, color_name, GST_OBJECT_NAME (pad), style_name); } g_free (pad_name); }
/* * 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); }