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
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
/**************************************************************************
*
* Copyright 2016 Advanced Micro Devices, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#include "pipe/p_video_codec.h"
#include "util/u_memory.h"
#include "util/u_video.h"
#include "vl/vl_rbsp.h"
#include "entrypoint.h"
#include "vid_dec.h"
#define DPB_MAX_SIZE 16
struct dpb_list {
struct list_head list;
struct pipe_video_buffer *buffer;
unsigned poc;
};
static void vid_dec_h265_BeginFrame(vid_dec_PrivateType *priv)
{
if (priv->frame_started)
return;
vid_dec_NeedTarget(priv);
if (!priv->codec) {
struct pipe_video_codec templat = {};
omx_base_video_PortType *port;
port = (omx_base_video_PortType *)
priv->ports[OMX_BASE_FILTER_INPUTPORT_INDEX];
templat.profile = priv->profile;
templat.entrypoint = PIPE_VIDEO_ENTRYPOINT_BITSTREAM;
templat.chroma_format = PIPE_VIDEO_CHROMA_FORMAT_420;
templat.expect_chunked_decode = true;
templat.width = align(port->sPortParam.format.video.nFrameWidth, 4);
templat.height = align(port->sPortParam.format.video.nFrameHeight, 4);
templat.level = priv->codec_data.h265.level_idc;
priv->codec = priv->pipe->create_video_codec(priv->pipe, &templat);
}
priv->codec->begin_frame(priv->codec, priv->target, &priv->picture.base);
priv->frame_started = true;
}
static struct pipe_video_buffer *vid_dec_h265_Flush(vid_dec_PrivateType *priv,
OMX_TICKS *timestamp)
{
struct dpb_list *entry, *result = NULL;
struct pipe_video_buffer *buf;
/* search for the lowest poc and break on zeros */
LIST_FOR_EACH_ENTRY(entry, &priv->codec_data.h265.dpb_list, list) {
if (result && entry->poc == 0)
break;
if (!result || entry->poc < result->poc)
result = entry;
}
if (!result)
return NULL;
buf = result->buffer;
--priv->codec_data.h265.dpb_num;
LIST_DEL(&result->list);
FREE(result);
return buf;
}
static void vid_dec_h265_EndFrame(vid_dec_PrivateType *priv)
{
struct dpb_list *entry = NULL;
struct pipe_video_buffer *tmp;
if (!priv->frame_started)
return;
priv->codec->end_frame(priv->codec, priv->target, &priv->picture.base);
priv->frame_started = false;
/* add the decoded picture to the dpb list */
entry = CALLOC_STRUCT(dpb_list);
if (!entry)
return;
entry->buffer = priv->target;
LIST_ADDTAIL(&entry->list, &priv->codec_data.h265.dpb_list);
++priv->codec_data.h265.dpb_num;
priv->target = NULL;
if (priv->codec_data.h265.dpb_num <= DPB_MAX_SIZE)
return;
tmp = priv->in_buffers[0]->pInputPortPrivate;
priv->in_buffers[0]->pInputPortPrivate = vid_dec_h265_Flush(priv, NULL);
priv->target = tmp;
priv->frame_finished = priv->in_buffers[0]->pInputPortPrivate != NULL;
}
static void vid_dec_h265_Decode(vid_dec_PrivateType *priv,
struct vl_vlc *vlc,
unsigned min_bits_left)
{
/* TODO */
/* resync to byte boundary */
vl_vlc_eatbits(vlc, vl_vlc_valid_bits(vlc) % 8);
}
void vid_dec_h265_Init(vid_dec_PrivateType *priv)
{
priv->picture.base.profile = PIPE_VIDEO_PROFILE_HEVC_MAIN;
LIST_INITHEAD(&priv->codec_data.h265.dpb_list);
priv->Decode = vid_dec_h265_Decode;
priv->EndFrame = vid_dec_h265_EndFrame;
priv->Flush = vid_dec_h265_Flush;
}
|
