Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Contribute to GitLab
Sign in / Register
Toggle navigation
F
ffmpeg.wasm-core
Project
Project
Details
Activity
Cycle Analytics
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Charts
Issues
0
Issues
0
List
Board
Labels
Milestones
Merge Requests
0
Merge Requests
0
CI / CD
CI / CD
Pipelines
Jobs
Schedules
Charts
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Charts
Create a new issue
Jobs
Commits
Issue Boards
Open sidebar
Linshizhi
ffmpeg.wasm-core
Commits
182cf170
Commit
182cf170
authored
Oct 27, 2016
by
Mark Thompson
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
vp8: Return stream format information from parser
parent
b6582b29
Hide whitespace changes
Inline
Side-by-side
Showing
1 changed file
with
44 additions
and
5 deletions
+44
-5
vp8_parser.c
libavcodec/vp8_parser.c
+44
-5
No files found.
libavcodec/vp8_parser.c
View file @
182cf170
/*
/*
* Copyright (C) 2008 Michael Niedermayer
*
* This file is part of Libav.
* This file is part of Libav.
*
*
* Libav is free software; you can redistribute it and/or
* Libav is free software; you can redistribute it and/or
...
@@ -18,15 +16,56 @@
...
@@ -18,15 +16,56 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
*/
#include "parser.h"
#include "libavutil/intreadwrite.h"
#include "avcodec.h"
static
int
parse
(
AVCodecParserContext
*
s
,
static
int
parse
(
AVCodecParserContext
*
s
,
AVCodecContext
*
avctx
,
AVCodecContext
*
avctx
,
const
uint8_t
**
poutbuf
,
int
*
poutbuf_size
,
const
uint8_t
**
poutbuf
,
int
*
poutbuf_size
,
const
uint8_t
*
buf
,
int
buf_size
)
const
uint8_t
*
buf
,
int
buf_size
)
{
{
s
->
pict_type
=
(
buf
[
0
]
&
0x01
)
?
AV_PICTURE_TYPE_P
unsigned
int
frame_type
;
:
AV_PICTURE_TYPE_I
;
unsigned
int
profile
;
if
(
buf_size
<
3
)
return
AVERROR_INVALIDDATA
;
frame_type
=
buf
[
0
]
&
1
;
profile
=
(
buf
[
0
]
>>
1
)
&
7
;
if
(
profile
>
3
)
{
av_log
(
avctx
,
AV_LOG_ERROR
,
"Invalid profile %u.
\n
"
,
profile
);
return
AVERROR_INVALIDDATA
;
}
avctx
->
profile
=
profile
;
s
->
key_frame
=
frame_type
==
0
;
s
->
pict_type
=
frame_type
?
AV_PICTURE_TYPE_P
:
AV_PICTURE_TYPE_I
;
s
->
format
=
AV_PIX_FMT_YUV420P
;
s
->
field_order
=
AV_FIELD_PROGRESSIVE
;
s
->
picture_structure
=
AV_PICTURE_STRUCTURE_FRAME
;
if
(
frame_type
==
0
)
{
unsigned
int
sync_code
;
unsigned
int
width
,
height
;
if
(
buf_size
<
10
)
return
AVERROR_INVALIDDATA
;
sync_code
=
AV_RL24
(
buf
+
3
);
if
(
sync_code
!=
0x2a019d
)
{
av_log
(
avctx
,
AV_LOG_ERROR
,
"Invalid sync code %06x.
\n
"
,
sync_code
);
return
AVERROR_INVALIDDATA
;
}
width
=
AV_RL16
(
buf
+
6
)
&
0x3fff
;
height
=
AV_RL16
(
buf
+
8
)
&
0x3fff
;
s
->
width
=
width
;
s
->
height
=
height
;
s
->
coded_width
=
FFALIGN
(
width
,
16
);
s
->
coded_height
=
FFALIGN
(
height
,
16
);
}
*
poutbuf
=
buf
;
*
poutbuf
=
buf
;
*
poutbuf_size
=
buf_size
;
*
poutbuf_size
=
buf_size
;
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment