#include "matroska-mux.h"
#include "matroska-ids.h"
+#define GST_MATROSKA_MUX_CHAPLANG "und"
+
GST_DEBUG_CATEGORY_STATIC (matroskamux_debug);
#define GST_CAT_DEFAULT matroskamux_debug
gst_matroska_mux_add_interfaces (GType type)
{
static const GInterfaceInfo tag_setter_info = { NULL, NULL, NULL };
+ static const GInterfaceInfo toc_setter_info = { NULL, NULL, NULL };
g_type_add_interface_static (type, GST_TYPE_TAG_SETTER, &tag_setter_info);
+ g_type_add_interface_static (type, GST_TYPE_TOC_SETTER, &toc_setter_info);
}
static void
/* reset tags */
gst_tag_setter_reset_tags (GST_TAG_SETTER (mux));
+
+ mux->tags_pos = 0;
+
+ /* reset chapters */
+ gst_toc_setter_reset_toc (GST_TOC_SETTER (mux));
+
+ mux->chapters_pos = 0;
}
/**
event = NULL;
break;
}
+ case GST_EVENT_TOC:{
+ GstToc *toc;
+
+ if (mux->chapters_pos > 0)
+ break;
+
+ GST_DEBUG_OBJECT (mux, "received toc event");
+ gst_event_parse_toc (event, &toc, NULL);
+
+ if (toc != NULL) {
+ if (gst_toc_setter_get_toc (GST_TOC_SETTER (mux)) != NULL) {
+ gst_toc_setter_reset_toc (GST_TOC_SETTER (mux));
+ GST_INFO_OBJECT (pad, "Replacing TOC with a new one");
+ }
+
+ gst_toc_setter_set_toc (GST_TOC_SETTER (mux), toc);
+ gst_toc_free (toc);
+ }
+
+ gst_event_unref (event);
+ /* handled this, don't want collectpads to forward it downstream */
+ event = NULL;
+ break;
+ }
case GST_EVENT_NEWSEGMENT:{
GstFormat format;
context->codec_priv, context->codec_priv_size);
}
+static void
+gst_matroska_mux_write_chapter_title (const gchar * title, GstEbmlWrite * ebml)
+{
+ guint64 title_master;
+
+ title_master =
+ gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_CHAPTERDISPLAY);
+
+ gst_ebml_write_utf8 (ebml, GST_MATROSKA_ID_CHAPSTRING, title);
+ gst_ebml_write_ascii (ebml, GST_MATROSKA_ID_CHAPLANGUAGE,
+ GST_MATROSKA_MUX_CHAPLANG);
+
+ gst_ebml_write_master_finish (ebml, title_master);
+}
+
+static void
+gst_matroska_mux_write_chapter (GstMatroskaMux * mux, GstTocEntry * edition,
+ GstTocEntry * entry, GstEbmlWrite * ebml, guint64 * master_chapters,
+ guint64 * master_edition)
+{
+ guint64 uid, master_chapteratom;
+ GList *cur;
+ GstTocEntry *cur_entry;
+ guint count, i;
+ gchar *title;
+ gint64 start, stop;
+
+ if (G_UNLIKELY (master_chapters != NULL && *master_chapters == 0))
+ *master_chapters =
+ gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_CHAPTERS);
+
+ if (G_UNLIKELY (master_edition != NULL && *master_edition == 0)) {
+ /* create uid for the parent */
+ uid = gst_matroska_mux_create_uid ();
+ g_free (edition->uid);
+ edition->uid = g_strdup_printf ("%" G_GUINT64_FORMAT, uid);
+
+ *master_edition =
+ gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_EDITIONENTRY);
+
+ gst_ebml_write_uint (ebml, GST_MATROSKA_ID_EDITIONUID, uid);
+ gst_ebml_write_uint (ebml, GST_MATROSKA_ID_EDITIONFLAGHIDDEN, 0);
+ gst_ebml_write_uint (ebml, GST_MATROSKA_ID_EDITIONFLAGDEFAULT, 0);
+ gst_ebml_write_uint (ebml, GST_MATROSKA_ID_EDITIONFLAGORDERED, 0);
+ }
+
+ uid = gst_matroska_mux_create_uid ();
+ gst_toc_entry_get_start_stop (entry, &start, &stop);
+
+ master_chapteratom =
+ gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_CHAPTERATOM);
+ g_free (entry->uid);
+ entry->uid = g_strdup_printf ("%" G_GUINT64_FORMAT, uid);
+ gst_ebml_write_uint (ebml, GST_MATROSKA_ID_CHAPTERUID, uid);
+ gst_ebml_write_uint (ebml, GST_MATROSKA_ID_CHAPTERTIMESTART, start);
+ gst_ebml_write_uint (ebml, GST_MATROSKA_ID_CHAPTERTIMESTOP, stop);
+ gst_ebml_write_uint (ebml, GST_MATROSKA_ID_CHAPTERFLAGHIDDEN, 0);
+ gst_ebml_write_uint (ebml, GST_MATROSKA_ID_CHAPTERFLAGENABLED, 1);
+
+ cur = entry->subentries;
+ while (cur != NULL) {
+ cur_entry = cur->data;
+ gst_matroska_mux_write_chapter (mux, NULL, cur_entry, ebml, NULL, NULL);
+
+ cur = cur->next;
+ }
+
+ if (G_LIKELY (entry->tags != NULL)) {
+ count = gst_tag_list_get_tag_size (entry->tags, GST_TAG_TITLE);
+
+ for (i = 0; i < count; ++i) {
+ gst_tag_list_get_string_index (entry->tags, GST_TAG_TITLE, i, &title);
+ gst_matroska_mux_write_chapter_title (title, ebml);
+ g_free (title);
+ }
+
+ /* remove title tag */
+ if (G_LIKELY (count > 0))
+ gst_tag_list_remove_tag (entry->tags, GST_TAG_TITLE);
+ }
+
+ gst_ebml_write_master_finish (ebml, master_chapteratom);
+}
+
+static void
+gst_matroska_mux_write_chapter_edition (GstMatroskaMux * mux,
+ GstTocEntry * entry, GstEbmlWrite * ebml, guint64 * master_chapters)
+{
+ guint64 master_edition = 0;
+ GList *cur;
+ GstTocEntry *subentry;
+
+ cur = entry->subentries;
+ while (cur != NULL) {
+ subentry = cur->data;
+ gst_matroska_mux_write_chapter (mux, entry, subentry, ebml, master_chapters,
+ &master_edition);
+
+ cur = cur->next;
+ }
+
+ if (G_LIKELY (master_edition != 0))
+ gst_ebml_write_master_finish (ebml, master_edition);
+}
/**
* gst_matroska_mux_start:
const gchar *doctype;
guint32 seekhead_id[] = { GST_MATROSKA_ID_SEGMENTINFO,
GST_MATROSKA_ID_TRACKS,
+ GST_MATROSKA_ID_CHAPTERS,
GST_MATROSKA_ID_CUES,
GST_MATROSKA_ID_TAGS,
0
}
gst_ebml_write_master_finish (ebml, master);
+ /* chapters */
+ if (gst_toc_setter_get_toc (GST_TOC_SETTER (mux)) != NULL && !mux->streamable) {
+ guint64 master_chapters = 0;
+ GstTocEntry *toc_entry;
+ const GstToc *toc;
+ GList *cur, *to_write = NULL;
+ gint64 start, stop;
+
+ GST_DEBUG ("Writing chapters");
+
+ toc = gst_toc_setter_get_toc (GST_TOC_SETTER (mux));
+
+ /* check whether we have editions or chapters at the root level */
+ toc_entry = toc->entries->data;
+
+ if (toc_entry->type != GST_TOC_ENTRY_TYPE_EDITION) {
+ toc_entry = gst_toc_entry_new (GST_TOC_ENTRY_TYPE_EDITION, "");
+ gst_toc_entry_set_start_stop (toc_entry, -1, -1);
+
+ /* aggregate all chapters without root edition */
+ cur = toc->entries;
+ while (cur != NULL) {
+ toc_entry->subentries =
+ g_list_prepend (toc_entry->subentries, cur->data);
+ cur = cur->next;
+ }
+
+ gst_toc_entry_get_start_stop (((GstTocEntry *) toc_entry->
+ subentries->data), &start, NULL);
+ toc_entry->subentries = g_list_reverse (toc_entry->subentries);
+ gst_toc_entry_get_start_stop (((GstTocEntry *) toc_entry->
+ subentries->data), NULL, &stop);
+ gst_toc_entry_set_start_stop (toc_entry, start, stop);
+
+ to_write = g_list_append (to_write, toc_entry);
+ } else {
+ toc_entry = NULL;
+ to_write = toc->entries;
+ }
+
+ /* finally write chapters */
+ mux->chapters_pos = ebml->pos;
+
+ cur = to_write;
+ while (cur != NULL) {
+ gst_matroska_mux_write_chapter_edition (mux, cur->data, ebml,
+ &master_chapters);
+ cur = cur->next;
+ }
+
+ /* close master element if any edition was written */
+ if (G_LIKELY (master_chapters != 0))
+ gst_ebml_write_master_finish (ebml, master_chapters);
+
+ if (toc_entry != NULL) {
+ g_list_free (toc_entry->subentries);
+ toc_entry->subentries = NULL;
+ gst_toc_entry_free (toc_entry);
+ g_list_free (to_write);
+ }
+ }
+
/* lastly, flush the cache */
gst_ebml_write_flush_cache (ebml, FALSE, 0);
}
}
}
+static void
+gst_matroska_mux_write_toc_entry_tags (GstMatroskaMux * mux,
+ const GstTocEntry * entry, guint64 * master_tags)
+{
+ guint64 master_tag, master_targets;
+ GstEbmlWrite *ebml;
+ GList *cur;
+
+ ebml = mux->ebml_write;
+
+ if (G_UNLIKELY (entry->tags != NULL && !gst_tag_list_is_empty (entry->tags))) {
+ if (*master_tags == 0) {
+ mux->tags_pos = ebml->pos;
+ *master_tags = gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_TAGS);
+ }
+
+ master_tag = gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_TAG);
+ master_targets =
+ gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_TARGETS);
+
+ if (entry->type == GST_TOC_ENTRY_TYPE_EDITION)
+ gst_ebml_write_uint (ebml, GST_MATROSKA_ID_TARGETEDITIONUID,
+ g_ascii_strtoull (entry->uid, NULL, 10));
+ else
+ gst_ebml_write_uint (ebml, GST_MATROSKA_ID_TARGETCHAPTERUID,
+ g_ascii_strtoull (entry->uid, NULL, 10));
+
+ gst_ebml_write_master_finish (ebml, master_targets);
+ gst_tag_list_foreach (entry->tags, gst_matroska_mux_write_simple_tag, ebml);
+ gst_ebml_write_master_finish (ebml, master_tag);
+ }
+
+ cur = entry->subentries;
+ while (cur != NULL) {
+ gst_matroska_mux_write_toc_entry_tags (mux, cur->data, master_tags);
+ cur = cur->next;
+ }
+}
/**
* gst_matroska_mux_finish:
/* tags */
tags = gst_tag_setter_get_tag_list (GST_TAG_SETTER (mux));
- if (tags != NULL && !gst_tag_list_is_empty (tags)) {
- guint64 master_tags, master_tag;
+ if ((tags != NULL && !gst_tag_list_is_empty (tags))
+ || gst_toc_setter_get_toc (GST_TOC_SETTER (mux)) != NULL) {
+ guint64 master_tags = 0, master_tag;
+ GList *cur;
+ const GstToc *toc;
GST_DEBUG_OBJECT (mux, "Writing tags");
- /* TODO: maybe limit via the TARGETS id by looking at the source pad */
- mux->tags_pos = ebml->pos;
- master_tags = gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_TAGS);
- master_tag = gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_TAG);
- gst_tag_list_foreach (tags, gst_matroska_mux_write_simple_tag, ebml);
- gst_ebml_write_master_finish (ebml, master_tag);
- gst_ebml_write_master_finish (ebml, master_tags);
+ toc = gst_toc_setter_get_toc (GST_TOC_SETTER (mux));
+
+ if (tags != NULL) {
+ /* TODO: maybe limit via the TARGETS id by looking at the source pad */
+ mux->tags_pos = ebml->pos;
+ master_tags = gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_TAGS);
+ master_tag = gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_TAG);
+
+ if (tags != NULL)
+ gst_tag_list_foreach (tags, gst_matroska_mux_write_simple_tag, ebml);
+ if (toc != NULL)
+ gst_tag_list_foreach (toc->tags, gst_matroska_mux_write_simple_tag,
+ ebml);
+
+ gst_ebml_write_master_finish (ebml, master_tag);
+ }
+
+ if (toc != NULL) {
+ cur = toc->entries;
+ while (cur != NULL) {
+ gst_matroska_mux_write_toc_entry_tags (mux, cur->data, &master_tags);
+ cur = cur->next;
+ }
+ }
+
+ if (master_tags != 0)
+ gst_ebml_write_master_finish (ebml, master_tags);
}
/* update seekhead. We know that:
- * - a seekhead contains 4 entries.
+ * - a seekhead contains 5 entries.
* - order of entries is as above.
* - a seekhead has a 4-byte header + 8-byte length
* - each entry is 2-byte master, 2-byte ID pointer,
mux->info_pos - mux->segment_master);
gst_ebml_replace_uint (ebml, mux->seekhead_pos + 60,
mux->tracks_pos - mux->segment_master);
- if (mux->index != NULL) {
+ if (gst_toc_setter_get_toc (GST_TOC_SETTER (mux)) != NULL
+ && mux->chapters_pos > 0) {
gst_ebml_replace_uint (ebml, mux->seekhead_pos + 88,
- mux->cues_pos - mux->segment_master);
+ mux->chapters_pos - mux->segment_master);
} else {
/* void'ify */
guint64 my_pos = ebml->pos;
gst_ebml_write_buffer_header (ebml, GST_EBML_ID_VOID, 26);
gst_ebml_write_seek (ebml, my_pos);
}
- if (tags != NULL) {
+ if (mux->index != NULL) {
gst_ebml_replace_uint (ebml, mux->seekhead_pos + 116,
- mux->tags_pos - mux->segment_master);
+ mux->cues_pos - mux->segment_master);
} else {
/* void'ify */
guint64 my_pos = ebml->pos;
gst_ebml_write_seek (ebml, my_pos);
}
+ if (tags != NULL) {
+ gst_ebml_replace_uint (ebml, mux->seekhead_pos + 144,
+ mux->tags_pos - mux->segment_master);
+ } else {
+ /* void'ify */
+ guint64 my_pos = ebml->pos;
+
+ gst_ebml_write_seek (ebml, mux->seekhead_pos + 124);
+ gst_ebml_write_buffer_header (ebml, GST_EBML_ID_VOID, 26);
+ gst_ebml_write_seek (ebml, my_pos);
+ }
+
/* loop tracks:
* - first get the overall duration
* (a released track may have left a duration in here)
projects / platform / upstream / gstreamer.git / commitdiff