codecparsers: Implement the AV1 bit code writer

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3015>

subprojects/gst-plugins-bad/gst-libs/gst/codecparsers/gstav1bitwriter.h

@@ -0,0 +1,88 @@
+/* GStreamer
+ *  Copyright (C) 2022 Intel Corporation
+ *     Author: He Junyan <junyan.he@intel.com>
+ *
+ * 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 the0
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __GST_AV1_BIT_WRITER_H__
+#define __GST_AV1_BIT_WRITER_H__
+
+#include <gst/codecparsers/gstav1parser.h>
+#include <gst/codecparsers/codecparsers-prelude.h>
+
+G_BEGIN_DECLS
+
+/**
+ * GstAV1BitWriterResult:
+ * @GST_AV1_BIT_WRITER_OK: The writing succeeded
+ * @GST_AV1_BIT_WRITER_INVALID_DATA: The input data to write is invalid
+ * @GST_AV1_BIT_WRITER_NO_MORE_SPACE: The output does not have enough size
+ * @GST_AV1_BIT_WRITER_ERROR: An general error occurred when writing
+ *
+ * The result of writing AV1 data into bit stream.
+ *
+ * Since: 1.22
+ */
+typedef enum
+{
+  GST_AV1_BIT_WRITER_OK,
+  GST_AV1_BIT_WRITER_INVALID_DATA,
+  GST_AV1_BIT_WRITER_NO_MORE_SPACE,
+  GST_AV1_BIT_WRITER_ERROR
+} GstAV1BitWriterResult;
+
+GST_CODEC_PARSERS_API
+GstAV1BitWriterResult    gst_av1_bit_writer_sequence_header_obu (const GstAV1SequenceHeaderOBU * seq_hdr,
+                                                                 gboolean size_field,
+                                                                 guint8 * data,
+                                                                 guint * size);
+GST_CODEC_PARSERS_API
+GstAV1BitWriterResult    gst_av1_bit_writer_frame_header_obu    (const GstAV1FrameHeaderOBU * frame_hdr,
+                                                                 const GstAV1SequenceHeaderOBU * seq_hdr,
+                                                                 guint8 temporal_id,
+                                                                 guint8 spatial_id,
+                                                                 gboolean size_field,
+                                                                 guint8 * data,
+                                                                 guint * size);
+GST_CODEC_PARSERS_API
+GstAV1BitWriterResult    gst_av1_bit_writer_frame_header_obu_with_offsets (const GstAV1FrameHeaderOBU * frame_hdr,
+                                                                           const GstAV1SequenceHeaderOBU * seq_hdr,
+                                                                           guint8 temporal_id,
+                                                                           guint8 spatial_id,
+                                                                           gboolean size_field,
+                                                                           guint size_field_size,
+                                                                           guint * qindex_offset,
+                                                                           guint * segmentation_offset,
+                                                                           guint * lf_offset,
+                                                                           guint * cdef_offset,
+                                                                           guint * cdef_size,
+                                                                           guint8 * data,
+                                                                           guint * size);
+GST_CODEC_PARSERS_API
+GstAV1BitWriterResult    gst_av1_bit_writer_temporal_delimiter_obu (gboolean size_field,
+                                                                    guint8 * data,
+                                                                    guint * size);
+GST_CODEC_PARSERS_API
+GstAV1BitWriterResult    gst_av1_bit_writer_metadata_obu        (const GstAV1MetadataOBU * metadata,
+                                                                 guint8 temporal_id,
+                                                                 guint8 spatial_id,
+                                                                 gboolean size_field,
+                                                                 guint8 * data,
+                                                                 guint * size);
+G_END_DECLS
+
+#endif /* __GST_AV1_BIT_WRITER_H__ */

subprojects/gst-plugins-bad/gst-libs/gst/codecparsers/meson.build

@@ -18,6 +18,7 @@ codecparser_sources = files([
   'gstav1parser.c',
   'gsth264bitwriter.c',
   'gsth265bitwriter.c',
+  'gstav1bitwriter.c',
 ])
 codecparser_headers = [
   'codecparsers-prelude.h',