Adding upstream version 0.37.0.upstream/0.37.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 93 insertions, 0 deletions

diff --git a/demux/ebml.h b/demux/ebml.h
new file mode 100644
index 0000000..86a4009
--- /dev/null
+++ b/demux/ebml.h
@@ -0,0 +1,93 @@
+/*
+ * This file is part of mpv.
+ *
+ * mpv is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * mpv 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with mpv.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef MPLAYER_EBML_H
+#define MPLAYER_EBML_H
+
+#include <inttypes.h>
+#include <stddef.h>
+#include <stdbool.h>
+
+#include "stream/stream.h"
+#include "misc/bstr.h"
+
+struct mp_log;
+
+/* EBML version supported */
+#define EBML_VERSION 1
+
+enum ebml_elemtype {
+    EBML_TYPE_SUBELEMENTS,
+    EBML_TYPE_UINT,
+    EBML_TYPE_SINT,
+    EBML_TYPE_FLOAT,
+    EBML_TYPE_STR,
+    EBML_TYPE_BINARY,
+    EBML_TYPE_EBML_ID,
+};
+
+struct ebml_field_desc {
+    uint32_t id;
+    bool multiple;
+    int offset;
+    int count_offset;
+    const struct ebml_elem_desc *desc;
+};
+
+struct ebml_elem_desc {
+    char *name;
+    enum ebml_elemtype type;
+    int size;
+    int field_count;
+    const struct ebml_field_desc *fields;
+};
+
+struct ebml_parse_ctx {
+    struct mp_log *log;
+    void *talloc_ctx;
+    bool has_errors;
+    bool no_error_messages;
+};
+
+#include "ebml_types.h"
+
+#define EBML_ID_INVALID 0xffffffff
+
+/* matroska track types */
+#define MATROSKA_TRACK_VIDEO    0x01 /* rectangle-shaped pictures aka video */
+#define MATROSKA_TRACK_AUDIO    0x02 /* anything you can hear */
+#define MATROSKA_TRACK_COMPLEX  0x03 /* audio+video in same track used by DV */
+#define MATROSKA_TRACK_LOGO     0x10 /* overlay-pictures displayed over video*/
+#define MATROSKA_TRACK_SUBTITLE 0x11 /* text-subtitles */
+#define MATROSKA_TRACK_CONTROL  0x20 /* control-codes for menu or other stuff*/
+
+#define EBML_UINT_INVALID   UINT64_MAX
+#define EBML_INT_INVALID    INT64_MAX
+
+bool ebml_is_mkv_level1_id(uint32_t id);
+uint32_t ebml_read_id (stream_t *s);
+uint64_t ebml_read_length (stream_t *s);
+int64_t ebml_read_signed_length(stream_t *s);
+uint64_t ebml_read_uint (stream_t *s);
+int64_t ebml_read_int (stream_t *s);
+int ebml_read_skip(struct mp_log *log, int64_t end, stream_t *s);
+int ebml_resync_cluster(struct mp_log *log, stream_t *s);
+
+int ebml_read_element(struct stream *s, struct ebml_parse_ctx *ctx,
+                      void *target, const struct ebml_elem_desc *desc);
+
+#endif /* MPLAYER_EBML_H */