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codecparsers: Implement the AV1 bit code writer

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3015>
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He Junyan 2022-07-19 17:33:13 +08:00 committed by GStreamer Marge Bot
parent e1d96d0669
commit 040042113e
3 changed files with 2558 additions and 0 deletions
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2469
subprojects/gst-plugins-bad/gst-libs/gst/codecparsers/gstav1bitwriter.c Normal file
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88
subprojects/gst-plugins-bad/gst-libs/gst/codecparsers/gstav1bitwriter.h Normal file
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@ -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__ */

1
subprojects/gst-plugins-bad/gst-libs/gst/codecparsers/meson.build
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@ -18,6 +18,7 @@ codecparser_sources = files([
'gstav1parser.c',
'gsth264bitwriter.c',
'gsth265bitwriter.c',
'gstav1bitwriter.c',
])
codecparser_headers = [
'codecparsers-prelude.h',