avcodec/extract_extradata: add support for AV1

Signed-off-by: James Almer <jamrial@gmail.com>

1 files changed, 42 insertions, 0 deletions

diff --git a/libavcodec/av1.h b/libavcodec/av1.h
new file mode 100644
index 0000000000..c989b69974
--- /dev/null
+++ b/libavcodec/av1.h
@@ -0,0 +1,42 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * AV1 common definitions
+ */
+
+#ifndef AVCODEC_AV1_H
+#define AVCODEC_AV1_H
+
+// OBU types (section 6.2.2).
+typedef enum {
+    // 0 reserved.
+    AV1_OBU_SEQUENCE_HEADER        = 1,
+    AV1_OBU_TEMPORAL_DELIMITER     = 2,
+    AV1_OBU_FRAME_HEADER           = 3,
+    AV1_OBU_TILE_GROUP             = 4,
+    AV1_OBU_METADATA               = 5,
+    AV1_OBU_FRAME                  = 6,
+    AV1_OBU_REDUNDANT_FRAME_HEADER = 7,
+    AV1_OBU_TILE_LIST              = 8,
+    // 9-14 reserved.
+    AV1_OBU_PADDING                = 15,
+} AV1_OBU_Type;
+
+#endif /* AVCODEC_AV1_H */