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1 /*
2  * Copyright © Microsoft Corporation
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  */
23 
24 #ifndef D3D12_VIDEO_ENC_BITSTREAM_BUILDER_H264_H
25 #define D3D12_VIDEO_ENC_BITSTREAM_BUILDER_H264_H
26 
27 #include "d3d12_video_encoder_nalu_writer_h264.h"
28 #include "d3d12_video_encoder_bitstream_builder.h"
29 
30 class d3d12_video_bitstream_builder_h264 : public d3d12_video_bitstream_builder_interface
31 {
32 
33  public:
34    d3d12_video_bitstream_builder_h264(bool insert_aud_nalu = false);
~d3d12_video_bitstream_builder_h264()35    ~d3d12_video_bitstream_builder_h264() {};
36 
37    void build_sps(const struct pipe_h264_enc_seq_param &                 seqData,
38                   const enum pipe_video_profile &                        profile,
39                   const D3D12_VIDEO_ENCODER_LEVELS_H264 &                level,
40                   const DXGI_FORMAT &                                    inputFmt,
41                   const D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_H264 &   codecConfig,
42                   const D3D12_VIDEO_ENCODER_SEQUENCE_GOP_STRUCTURE_H264 &gopConfig,
43                   uint32_t                                               seq_parameter_set_id,
44                   uint32_t                                               max_num_ref_frames,
45                   D3D12_VIDEO_ENCODER_PICTURE_RESOLUTION_DESC            sequenceTargetResolution,
46                   D3D12_BOX                                              frame_cropping_codec_config,
47                   std::vector<uint8_t> &                                 headerBitstream,
48                   std::vector<uint8_t>::iterator                         placingPositionStart,
49                   size_t &                                               writtenBytes);
50 
51    void build_pps(const enum pipe_video_profile &                            profile,
52                   const D3D12_VIDEO_ENCODER_CODEC_CONFIGURATION_H264 &       codecConfig,
53                   const D3D12_VIDEO_ENCODER_PICTURE_CONTROL_CODEC_DATA_H264 &pictureControl,
54                   uint32_t                                                   pic_parameter_set_id,
55                   uint32_t                                                   seq_parameter_set_id,
56                   std::vector<uint8_t> &                                     headerBitstream,
57                   std::vector<uint8_t>::iterator                             placingPositionStart,
58                   size_t &                                                   writtenBytes);
59 
60    void write_end_of_stream_nalu(std::vector<uint8_t> &         headerBitstream,
61                                  std::vector<uint8_t>::iterator placingPositionStart,
62                                  size_t &                       writtenBytes);
63    void write_end_of_sequence_nalu(std::vector<uint8_t> &         headerBitstream,
64                                    std::vector<uint8_t>::iterator placingPositionStart,
65                                    size_t &                       writtenBytes);
66 
67    void write_aud(std::vector<uint8_t> &         headerBitstream,
68                   std::vector<uint8_t>::iterator placingPositionStart,
69                   size_t &                       writtenBytes);
70 
71    void print_pps(const H264_PPS &pps);
72    void print_sps(const H264_SPS &sps);
73 
get_active_sps_id()74    uint32_t get_active_sps_id()
75    {
76       return m_activeSPSIndex;
77    };
get_active_pps_id()78    uint32_t get_active_pps_id()
79    {
80       return m_activePPSIndex;
81    };
82 
get_active_pps()83    std::vector<uint8_t>& get_active_pps()
84    {
85       return m_activePPS;
86    };
87 
set_active_sps_id(uint32_t active_sps_id)88    void set_active_sps_id(uint32_t active_sps_id)
89    {
90       m_activeSPSIndex = active_sps_id;
91       debug_printf("[d3d12_video_bitstream_builder_h264] Setting new active SPS ID: %d ", m_activeSPSIndex);
92    };
set_active_pps_id(uint32_t active_pps_id)93    void set_active_pps_id(uint32_t active_pps_id)
94    {
95       m_activePPSIndex = active_pps_id;
96       debug_printf("[d3d12_video_bitstream_builder_h264] Setting new active PPS ID: %d ", m_activePPSIndex);
97    };
98 
insert_aud_nalu_requested()99    bool insert_aud_nalu_requested() { return m_insert_aud_nalu; }
100 
101  private:
102    d3d12_video_nalu_writer_h264 m_h264Encoder;
103    std::vector<uint8_t> m_activePPS;
104    uint32_t m_activeSPSIndex = 0;
105    uint32_t m_activePPSIndex = 0;
106    bool m_insert_aud_nalu = false;
107 };
108 
109 #endif
110