1 files changed, 0 insertions, 384 deletions
diff --git a/gst/subparse/gstssaparse.c b/gst/subparse/gstssaparse.c
deleted file mode 100644
index d4000770..00000000
--- a/gst/subparse/gstssaparse.c
+++ /dev/null
@@ -1,384 +0,0 @@
-/* GStreamer SSA subtitle parser
- * Copyright (c) 2006 Tim-Philipp Müller <tim centricular net>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-/* Super-primitive SSA parser - we just want the text and ignore
- * everything else like styles and timing codes etc. for now */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <stdlib.h>             /* atoi() */
-#include <string.h>
-
-#include "gstssaparse.h"
-
-GST_DEBUG_CATEGORY_STATIC (ssa_parse_debug);
-#define GST_CAT_DEFAULT ssa_parse_debug
-
-static GstStaticPadTemplate sink_templ = GST_STATIC_PAD_TEMPLATE ("sink",
-    GST_PAD_SINK,
-    GST_PAD_ALWAYS,
-    GST_STATIC_CAPS ("application/x-ssa; application/x-ass")
-    );
-
-static GstStaticPadTemplate src_templ = GST_STATIC_PAD_TEMPLATE ("src",
-    GST_PAD_SRC,
-    GST_PAD_ALWAYS,
-    GST_STATIC_CAPS ("text/x-pango-markup")
-    );
-
-GST_BOILERPLATE (GstSsaParse, gst_ssa_parse, GstElement, GST_TYPE_ELEMENT);
-
-static GstStateChangeReturn gst_ssa_parse_change_state (GstElement *
-    element, GstStateChange transition);
-static gboolean gst_ssa_parse_setcaps (GstPad * sinkpad, GstCaps * caps);
-static gboolean gst_ssa_parse_src_event (GstPad * pad, GstEvent * event);
-static gboolean gst_ssa_parse_sink_event (GstPad * pad, GstEvent * event);
-static GstFlowReturn gst_ssa_parse_chain (GstPad * sinkpad, GstBuffer * buf);
-
-static void
-gst_ssa_parse_base_init (gpointer klass)
-{
-  GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
-  static GstElementDetails ssa_parse_details = {
-    "SSA Subtitle Parser",
-    "Codec/Parser/Subtitle",
-    "Parses SSA subtitle streams",
-    "Tim-Philipp Müller <tim centricular net>"
-  };
-
-  gst_element_class_add_pad_template (element_class,
-      gst_static_pad_template_get (&sink_templ));
-  gst_element_class_add_pad_template (element_class,
-      gst_static_pad_template_get (&src_templ));
-  gst_element_class_set_details (element_class, &ssa_parse_details);
-
-  GST_DEBUG_CATEGORY_INIT (ssa_parse_debug, "ssaparse", 0,
-      "SSA subtitle parser");
-}
-
-static void
-gst_ssa_parse_dispose (GObject * object)
-{
-  GstSsaParse *parse = GST_SSA_PARSE (object);
-
-  g_free (parse->ini);
-  parse->ini = NULL;
-
-  GST_CALL_PARENT (G_OBJECT_CLASS, dispose, (object));
-}
-
-static void
-gst_ssa_parse_init (GstSsaParse * parse, GstSsaParseClass * klass)
-{
-  parse->sinkpad = gst_pad_new_from_static_template (&sink_templ, "sink");
-  gst_pad_set_setcaps_function (parse->sinkpad,
-      GST_DEBUG_FUNCPTR (gst_ssa_parse_setcaps));
-  gst_pad_set_chain_function (parse->sinkpad,
-      GST_DEBUG_FUNCPTR (gst_ssa_parse_chain));
-  gst_pad_set_event_function (parse->sinkpad,
-      GST_DEBUG_FUNCPTR (gst_ssa_parse_sink_event));
-  gst_element_add_pad (GST_ELEMENT (parse), parse->sinkpad);
-
-  parse->srcpad = gst_pad_new_from_static_template (&src_templ, "src");
-  gst_pad_set_event_function (parse->srcpad,
-      GST_DEBUG_FUNCPTR (gst_ssa_parse_src_event));
-  gst_element_add_pad (GST_ELEMENT (parse), parse->srcpad);
-  gst_pad_use_fixed_caps (parse->srcpad);
-  gst_pad_set_caps (parse->srcpad,
-      gst_static_pad_template_get_caps (&src_templ));
-
-  parse->ini = NULL;
-  parse->framed = FALSE;
-  parse->send_tags = FALSE;
-}
-
-static void
-gst_ssa_parse_class_init (GstSsaParseClass * klass)
-{
-  GObjectClass *object_class = G_OBJECT_CLASS (klass);
-  GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
-
-  object_class->dispose = gst_ssa_parse_dispose;
-
-  element_class->change_state = GST_DEBUG_FUNCPTR (gst_ssa_parse_change_state);
-}
-
-static gboolean
-gst_ssa_parse_src_event (GstPad * pad, GstEvent * event)
-{
-  return gst_pad_event_default (pad, event);
-}
-
-static gboolean
-gst_ssa_parse_sink_event (GstPad * pad, GstEvent * event)
-{
-  return gst_pad_event_default (pad, event);
-}
-
-static gboolean
-gst_ssa_parse_setcaps (GstPad * sinkpad, GstCaps * caps)
-{
-  GstSsaParse *parse = GST_SSA_PARSE (GST_PAD_PARENT (sinkpad));
-  const GValue *val;
-  GstStructure *s;
-  const guchar bom_utf8[] = { 0xEF, 0xBB, 0xBF };
-  GstBuffer *priv;
-  gchar *data;
-  guint size;
-
-  s = gst_caps_get_structure (caps, 0);
-  val = gst_structure_get_value (s, "codec_data");
-  if (val == NULL) {
-    parse->framed = FALSE;
-    GST_ERROR ("Only SSA subtitles embedded in containers are supported");
-    return FALSE;
-  }
-
-  parse->framed = TRUE;
-  parse->send_tags = TRUE;
-
-  priv = (GstBuffer *) gst_value_get_mini_object (val);
-  g_return_val_if_fail (priv != NULL, FALSE);
-
-  gst_buffer_ref (priv);
-
-  data = (gchar *) GST_BUFFER_DATA (priv);
-  size = GST_BUFFER_SIZE (priv);
-  /* skip UTF-8 BOM */
-  if (size >= 3 && memcmp (data, bom_utf8, 3) == 0) {
-    data += 3;
-    size -= 3;
-  }
-
-  if (!strstr (data, "[Script Info]")) {
-    GST_WARNING_OBJECT (parse, "Invalid Init section - no Script Info header");
-    gst_buffer_unref (priv);
-    return FALSE;
-  }
-
-  if (!g_utf8_validate (data, size, NULL)) {
-    GST_WARNING_OBJECT (parse, "Init section is not valid UTF-8");
-    gst_buffer_unref (priv);
-    return FALSE;
-  }
-
-  /* FIXME: parse initial section */
-  parse->ini = g_strndup (data, size);
-  GST_LOG_OBJECT (parse, "Init section:\n%s", parse->ini);
-
-  gst_buffer_unref (priv);
-
-  return TRUE;
-}
-
-static gboolean
-gst_ssa_parse_remove_override_codes (GstSsaParse * parse, gchar * txt)
-{
-  gchar *t, *end;
-  gboolean removed_any = FALSE;
-
-  while ((t = strchr (txt, '{'))) {
-    end = strchr (txt, '}');
-    if (end == NULL) {
-      GST_WARNING_OBJECT (parse, "Missing { for style override code");
-      return removed_any;
-    }
-    /* move terminating NUL character forward as well */
-    g_memmove (t, end + 1, strlen (end + 1) + 1);
-    removed_any = TRUE;
-  }
-
-  /* these may occur outside of curly brackets. We don't handle the different
-   * wrapping modes yet, so just remove these markers from the text for now */
-  while ((t = strstr (txt, "\\n"))) {
-    t[0] = ' ';
-    t[1] = '\n';
-  }
-  while ((t = strstr (txt, "\\N"))) {
-    t[0] = ' ';
-    t[1] = '\n';
-  }
-  while ((t = strstr (txt, "\\h"))) {
-    t[0] = ' ';
-    t[1] = ' ';
-  }
-
-  return removed_any;
-}
-
-/**
- * gst_ssa_parse_push_line:
- * @parse: caller element
- * @txt: text to push
- * @start: timestamp for the buffer
- * @duration: duration for the buffer
- *
- * Parse the text in a buffer with the given properties and
- * push it to the srcpad of the @parse element
- *
- * Returns: result of the push of the created buffer
- */
-static GstFlowReturn
-gst_ssa_parse_push_line (GstSsaParse * parse, gchar * txt,
-    GstClockTime start, GstClockTime duration)
-{
-  GstFlowReturn ret;
-  GstBuffer *buf;
-  gchar *t, *escaped;
-  gint num, i, len;
-
-  num = atoi (txt);
-  GST_LOG_OBJECT (parse, "Parsing line #%d at %" GST_TIME_FORMAT,
-      num, GST_TIME_ARGS (start));
-
-  /* skip all non-text fields before the actual text */
-  t = txt;
-  for (i = 0; i < 8; ++i) {
-    t = strchr (t, ',');
-    if (t == NULL)
-      return GST_FLOW_ERROR;
-    ++t;
-  }
-
-  GST_LOG_OBJECT (parse, "Text : %s", t);
-
-  if (gst_ssa_parse_remove_override_codes (parse, t)) {
-    GST_LOG_OBJECT (parse, "Clean: %s", t);
-  }
-
-  /* we claim to output pango markup, so we must escape the
-   * text even if we don't actually use any pango markup yet */
-  escaped = g_markup_printf_escaped ("%s", t);
-
-  len = strlen (escaped);
-
-  /* allocate enough for a terminating NUL, but don't include it in buf size */
-  buf = gst_buffer_new_and_alloc (len + 1);
-  memcpy (GST_BUFFER_DATA (buf), escaped, len + 1);
-  GST_BUFFER_SIZE (buf) = len;
-  g_free (escaped);
-
-  GST_BUFFER_TIMESTAMP (buf) = start;
-  GST_BUFFER_DURATION (buf) = duration;
-
-  gst_buffer_set_caps (buf, GST_PAD_CAPS (parse->srcpad));
-
-  GST_LOG_OBJECT (parse, "Pushing buffer with timestamp %" GST_TIME_FORMAT
-      " and duration %" GST_TIME_FORMAT, GST_TIME_ARGS (start),
-      GST_TIME_ARGS (duration));
-
-  ret = gst_pad_push (parse->srcpad, buf);
-
-  if (ret != GST_FLOW_OK) {
-    GST_DEBUG_OBJECT (parse, "Push of text '%s' returned flow %s", txt,
-        gst_flow_get_name (ret));
-  }
-
-  return ret;
-}
-
-static GstFlowReturn
-gst_ssa_parse_chain (GstPad * sinkpad, GstBuffer * buf)
-{
-  GstFlowReturn ret;
-  GstSsaParse *parse = GST_SSA_PARSE (GST_PAD_PARENT (sinkpad));
-  GstClockTime ts;
-  gchar *txt;
-
-  if (G_UNLIKELY (!parse->framed))
-    goto not_framed;
-
-  if (G_UNLIKELY (parse->send_tags)) {
-    GstTagList *tags;
-
-    tags = gst_tag_list_new ();
-    gst_tag_list_add (tags, GST_TAG_MERGE_APPEND, GST_TAG_SUBTITLE_CODEC,
-        "SubStation Alpha", NULL);
-    gst_element_found_tags_for_pad (GST_ELEMENT (parse), parse->srcpad, tags);
-    parse->send_tags = FALSE;
-  }
-
-  /* make double-sure it's 0-terminated and all */
-  txt = g_strndup ((gchar *) GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf));
-  if (txt == NULL)
-    goto empty_text;
-
-  ts = GST_BUFFER_TIMESTAMP (buf);
-  ret = gst_ssa_parse_push_line (parse, txt, ts, GST_BUFFER_DURATION (buf));
-
-  if (ret != GST_FLOW_OK && GST_CLOCK_TIME_IS_VALID (ts)) {
-    /* just advance time without sending anything */
-    gst_pad_push_event (parse->srcpad,
-        gst_event_new_new_segment (TRUE, 1.0, GST_FORMAT_TIME, ts, -1, ts));
-    ret = GST_FLOW_OK;
-  }
-
-  gst_buffer_unref (buf);
-  g_free (txt);
-
-  return ret;
-
-/* ERRORS */
-not_framed:
-  {
-    GST_ELEMENT_ERROR (parse, STREAM, FORMAT, (NULL),
-        ("Only SSA subtitles embedded in containers are supported"));
-    gst_buffer_unref (buf);
-    return GST_FLOW_NOT_NEGOTIATED;
-  }
-empty_text:
-  {
-    GST_ELEMENT_WARNING (parse, STREAM, FORMAT, (NULL),
-        ("Received empty subtitle"));
-    gst_buffer_unref (buf);
-    return GST_FLOW_OK;
-  }
-}
-
-static GstStateChangeReturn
-gst_ssa_parse_change_state (GstElement * element, GstStateChange transition)
-{
-  GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
-  GstSsaParse *parse = GST_SSA_PARSE (element);
-
-  switch (transition) {
-    case GST_STATE_CHANGE_READY_TO_PAUSED:
-      break;
-    default:
-      break;
-  }
-
-  ret = parent_class->change_state (element, transition);
-  if (ret == GST_STATE_CHANGE_FAILURE)
-    return ret;
-
-  switch (transition) {
-    case GST_STATE_CHANGE_PAUSED_TO_READY:
-      g_free (parse->ini);
-      parse->ini = NULL;
-      parse->framed = FALSE;
-      break;
-    default:
-      break;
-  }
-
-  return ret;
-}