subprojects/gst-plugins-bad/gst-libs/gst/codecparsers/gsth264bitwriter.h

   1 /* GStreamer
   2  *  Copyright (C) 2020 Intel Corporation
   3  *     Author: He Junyan <junyan.he@intel.com>
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Library General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Library General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Library General Public
  16  * License along with this library; if not, write to the0
  17  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
  18  * Boston, MA 02110-1301, USA.
  19  */
  20
  21 #ifndef __GST_H264_BIT_WRITER_H__
  22 #define __GST_H264_BIT_WRITER_H__
  23
  24 #include <gst/codecparsers/codecparsers-prelude.h>
  25 #include <gst/codecparsers/gsth264parser.h>
  26
  27 G_BEGIN_DECLS
  28
  29 /**
  30  * GstH264BitWriterResult:
  31  * @GST_H264_BIT_WRITER_OK: The writing succeeded
  32  * @GST_H264_BIT_WRITER_INVALID_DATA: The input data to write is invalid
  33  * @GST_H264_BIT_WRITER_NO_MORE_SPACE: The output does not have enough size
  34  * @GST_H264_BIT_WRITER_ERROR: An general error occurred when writing
  35  *
  36  * The result of writing H264 data into bit stream.
  37  *
  38  * Since: 1.22
  39  */
  40 typedef enum
  41 {
  42   GST_H264_BIT_WRITER_OK,
  43   GST_H264_BIT_WRITER_INVALID_DATA,
  44   GST_H264_BIT_WRITER_NO_MORE_SPACE,
  45   GST_H264_BIT_WRITER_ERROR
  46 } GstH264BitWriterResult;
  47
  48 GST_CODEC_PARSERS_API
  49 GstH264BitWriterResult     gst_h264_bit_writer_sps       (const GstH264SPS * sps,
  50                                                           gboolean start_code,
  51                                                           guint8 * data,
  52                                                           gsize * size);
  53 GST_CODEC_PARSERS_API
  54 GstH264BitWriterResult     gst_h264_bit_writer_pps       (const GstH264PPS * pps,
  55                                                           gboolean start_code,
  56                                                           guint8 * data,
  57                                                           gsize * size);
  58 GST_CODEC_PARSERS_API
  59 GstH264BitWriterResult     gst_h264_bit_writer_slice_hdr (const GstH264SliceHdr * slice,
  60                                                           gboolean start_code,
  61                                                           GstH264NalUnitType nal_type,
  62                                                           gboolean is_ref,
  63                                                           guint8 * data,
  64                                                           gsize * size);
  65 GST_CODEC_PARSERS_API
  66 GstH264BitWriterResult     gst_h264_bit_writer_sei       (GArray * sei_messages,
  67                                                           gboolean start_code,
  68                                                           guint8 * data,
  69                                                           gsize * size);
  70 GST_CODEC_PARSERS_API
  71 GstH264BitWriterResult     gst_h264_bit_writer_aud       (guint8 primary_pic_type,
  72                                                           gboolean start_code,
  73                                                           guint8 * data,
  74                                                           gsize * size);
  75 GST_CODEC_PARSERS_API
  76 GstH264BitWriterResult     gst_h264_bit_writer_convert_to_nal (guint nal_prefix_size,
  77                                                                gboolean packetized,
  78                                                                gboolean has_startcode,
  79                                                                gboolean add_trailings,
  80                                                                const guint8 * raw_data,
  81                                                                gsize raw_size,
  82                                                                guint8 * nal_data,
  83                                                                guint32 * nal_size);
  84
  85 G_END_DECLS
  86
  87 #endif /* __GST_H264_BIT_WRITER_H__ */