1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
/*****************************************************************************
* hxxx_helper.h: AnnexB / avcC helper for dumb decoders
*****************************************************************************
* Copyright (C) 2017 VLC authors and VideoLAN
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <vlc_block.h>
#include <vlc_fourcc.h>
#include "../packetizer/h264_nal.h"
#include "../packetizer/hevc_nal.h"
struct hxxx_helper_nal
{
block_t *b;
union {
void *xps;
h264_sequence_parameter_set_t *h264_sps;
h264_picture_parameter_set_t *h264_pps;
h264_sequence_parameter_set_extension_t *h264_spsext;
hevc_sequence_parameter_set_t *hevc_sps;
hevc_picture_parameter_set_t *hevc_pps;
hevc_video_parameter_set_t *hevc_vps;
};
};
#define HXXX_HELPER_SEI_COUNT 16
struct hxxx_helper
{
vlc_object_t *p_obj; /* for logs */
vlc_fourcc_t i_codec;
bool b_need_xvcC; /* Need avcC or hvcC */
bool b_is_xvcC;
uint8_t i_nal_length_size;
union {
struct {
struct hxxx_helper_nal sps_list[H264_SPS_ID_MAX + 1];
struct hxxx_helper_nal pps_list[H264_PPS_ID_MAX + 1];
struct hxxx_helper_nal spsext_list[H264_SPS_ID_MAX + 1];
uint8_t i_current_sps;
uint8_t i_sps_count;
uint8_t i_pps_count;
uint8_t i_spsext_count;
} h264;
struct {
struct hxxx_helper_nal sps_list[HEVC_SPS_ID_MAX + 1];
struct hxxx_helper_nal pps_list[HEVC_PPS_ID_MAX + 1];
struct hxxx_helper_nal vps_list[HEVC_VPS_ID_MAX + 1];
struct hxxx_helper_nal sei_list[HXXX_HELPER_SEI_COUNT];
uint8_t i_current_sps;
uint8_t i_current_vps;
uint8_t i_sps_count;
uint8_t i_pps_count;
uint8_t i_vps_count;
uint8_t i_sei_count;
uint8_t i_previous_nal_type;
} hevc;
};
/* Process the block: do the AnnexB <-> xvcC conversion if needed. If
* p_config_changed is not NULL, parse nals to detect a SPS/PPS or a video
* size change. */
block_t * (*pf_process_block)(struct hxxx_helper *hh, block_t *p_block,
bool *p_config_changed);
};
void hxxx_helper_init(struct hxxx_helper *hh, vlc_object_t *p_obj,
vlc_fourcc_t i_codec, bool b_need_xvcC);
void hxxx_helper_clean(struct hxxx_helper *hh);
int hxxx_helper_set_extra(struct hxxx_helper *hh, const void *p_extra,
size_t i_extra);
block_t *h264_helper_get_annexb_config(const struct hxxx_helper *hh);
block_t *hevc_helper_get_annexb_config(const struct hxxx_helper *hh);
block_t *h264_helper_get_avcc_config(const struct hxxx_helper *hh);
block_t *hevc_helper_get_hvcc_config(const struct hxxx_helper *hh);
int hxxx_helper_get_current_picture_size(const struct hxxx_helper *hh,
unsigned *p_w, unsigned *p_h,
unsigned *p_vw, unsigned *p_vh);
int hxxx_helper_get_current_sar(const struct hxxx_helper *hh, int *p_num, int *p_den);
int h264_helper_get_current_dpb_values(const struct hxxx_helper *hh,
uint8_t *p_depth, unsigned *pi_delay);
int hxxx_helper_get_current_profile_level(const struct hxxx_helper *hh,
uint8_t *p_profile, uint8_t *p_level);
int
hxxx_helper_get_chroma_chroma(const struct hxxx_helper *hh, uint8_t *pi_chroma_format,
uint8_t *pi_depth_luma, uint8_t *pi_depth_chroma);
int hxxx_helper_get_colorimetry(const struct hxxx_helper *hh,
video_color_primaries_t *p_primaries,
video_transfer_func_t *p_transfer,
video_color_space_t *p_colorspace,
bool *p_full_range);
|
