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
6ed0f70f
Commit
6ed0f70f
authored
May 23, 2016
by
Anton Khirnov
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
avconv: factor out initializing stream parameters for streamcopy
parent
5fa255b6
Hide whitespace changes
Inline
Side-by-side
Showing
1 changed file
with
110 additions
and
99 deletions
+110
-99
avconv.c
avconv.c
+110
-99
No files found.
avconv.c
View file @
6ed0f70f
...
...
@@ -1663,6 +1663,111 @@ static int init_output_bsfs(OutputStream *ost)
return
0
;
}
static
int
init_output_stream_streamcopy
(
OutputStream
*
ost
)
{
OutputFile
*
of
=
output_files
[
ost
->
file_index
];
InputStream
*
ist
=
get_input_stream
(
ost
);
AVCodecParameters
*
par_dst
=
ost
->
st
->
codecpar
;
AVCodecParameters
*
par_src
=
ist
->
st
->
codecpar
;
AVRational
sar
;
int
i
;
uint64_t
extra_size
;
extra_size
=
(
uint64_t
)
par_src
->
extradata_size
+
AV_INPUT_BUFFER_PADDING_SIZE
;
if
(
extra_size
>
INT_MAX
)
{
return
AVERROR
(
EINVAL
);
}
ost
->
st
->
disposition
=
ist
->
st
->
disposition
;
/* if stream_copy is selected, no need to decode or encode */
par_dst
->
codec_id
=
par_src
->
codec_id
;
par_dst
->
codec_type
=
par_src
->
codec_type
;
if
(
!
par_dst
->
codec_tag
)
{
if
(
!
of
->
ctx
->
oformat
->
codec_tag
||
av_codec_get_id
(
of
->
ctx
->
oformat
->
codec_tag
,
par_src
->
codec_tag
)
==
par_dst
->
codec_id
||
av_codec_get_tag
(
of
->
ctx
->
oformat
->
codec_tag
,
par_src
->
codec_id
)
<=
0
)
par_dst
->
codec_tag
=
par_src
->
codec_tag
;
}
par_dst
->
bit_rate
=
par_src
->
bit_rate
;
par_dst
->
field_order
=
par_src
->
field_order
;
par_dst
->
chroma_location
=
par_src
->
chroma_location
;
if
(
par_src
->
extradata
)
{
par_dst
->
extradata
=
av_mallocz
(
extra_size
);
if
(
!
par_dst
->
extradata
)
{
return
AVERROR
(
ENOMEM
);
}
memcpy
(
par_dst
->
extradata
,
par_src
->
extradata
,
par_src
->
extradata_size
);
par_dst
->
extradata_size
=
par_src
->
extradata_size
;
}
ost
->
st
->
time_base
=
ist
->
st
->
time_base
;
if
(
ist
->
st
->
nb_side_data
)
{
ost
->
st
->
side_data
=
av_realloc_array
(
NULL
,
ist
->
st
->
nb_side_data
,
sizeof
(
*
ist
->
st
->
side_data
));
if
(
!
ost
->
st
->
side_data
)
return
AVERROR
(
ENOMEM
);
for
(
i
=
0
;
i
<
ist
->
st
->
nb_side_data
;
i
++
)
{
const
AVPacketSideData
*
sd_src
=
&
ist
->
st
->
side_data
[
i
];
AVPacketSideData
*
sd_dst
=
&
ost
->
st
->
side_data
[
i
];
sd_dst
->
data
=
av_malloc
(
sd_src
->
size
);
if
(
!
sd_dst
->
data
)
return
AVERROR
(
ENOMEM
);
memcpy
(
sd_dst
->
data
,
sd_src
->
data
,
sd_src
->
size
);
sd_dst
->
size
=
sd_src
->
size
;
sd_dst
->
type
=
sd_src
->
type
;
ost
->
st
->
nb_side_data
++
;
}
}
ost
->
parser
=
av_parser_init
(
par_dst
->
codec_id
);
ost
->
parser_avctx
=
avcodec_alloc_context3
(
NULL
);
if
(
!
ost
->
parser_avctx
)
return
AVERROR
(
ENOMEM
);
switch
(
par_dst
->
codec_type
)
{
case
AVMEDIA_TYPE_AUDIO
:
if
(
audio_volume
!=
256
)
{
av_log
(
NULL
,
AV_LOG_FATAL
,
"-acodec copy and -vol are incompatible (frames are not decoded)
\n
"
);
exit_program
(
1
);
}
par_dst
->
channel_layout
=
par_src
->
channel_layout
;
par_dst
->
sample_rate
=
par_src
->
sample_rate
;
par_dst
->
channels
=
par_src
->
channels
;
par_dst
->
block_align
=
par_src
->
block_align
;
break
;
case
AVMEDIA_TYPE_VIDEO
:
par_dst
->
format
=
par_src
->
format
;
par_dst
->
width
=
par_src
->
width
;
par_dst
->
height
=
par_src
->
height
;
if
(
ost
->
frame_aspect_ratio
)
sar
=
av_d2q
(
ost
->
frame_aspect_ratio
*
par_dst
->
height
/
par_dst
->
width
,
255
);
else
if
(
ist
->
st
->
sample_aspect_ratio
.
num
)
sar
=
ist
->
st
->
sample_aspect_ratio
;
else
sar
=
par_src
->
sample_aspect_ratio
;
ost
->
st
->
sample_aspect_ratio
=
par_dst
->
sample_aspect_ratio
=
sar
;
break
;
case
AVMEDIA_TYPE_SUBTITLE
:
par_dst
->
width
=
par_src
->
width
;
par_dst
->
height
=
par_src
->
height
;
break
;
case
AVMEDIA_TYPE_DATA
:
case
AVMEDIA_TYPE_ATTACHMENT
:
break
;
default:
abort
();
}
return
0
;
}
static
int
init_output_stream
(
OutputStream
*
ost
,
char
*
error
,
int
error_len
)
{
int
ret
=
0
;
...
...
@@ -1735,6 +1840,10 @@ static int init_output_stream(OutputStream *ost, char *error, int error_len)
ost
->
st
->
time_base
=
ost
->
enc_ctx
->
time_base
;
}
else
if
(
ost
->
stream_copy
)
{
ret
=
init_output_stream_streamcopy
(
ost
);
if
(
ret
<
0
)
return
ret
;
/*
* FIXME: will the codec context used by the parser during streamcopy
* This should go away with the new parser API.
...
...
@@ -1843,105 +1952,7 @@ static int transcode_init(void)
ost
->
st
->
disposition
=
ist
->
st
->
disposition
;
}
if
(
ost
->
stream_copy
)
{
AVCodecParameters
*
par_dst
=
ost
->
st
->
codecpar
;
AVCodecParameters
*
par_src
=
ist
->
st
->
codecpar
;
AVRational
sar
;
uint64_t
extra_size
;
av_assert0
(
ist
&&
!
ost
->
filter
);
extra_size
=
(
uint64_t
)
par_src
->
extradata_size
+
AV_INPUT_BUFFER_PADDING_SIZE
;
if
(
extra_size
>
INT_MAX
)
{
return
AVERROR
(
EINVAL
);
}
/* if stream_copy is selected, no need to decode or encode */
par_dst
->
codec_id
=
par_src
->
codec_id
;
par_dst
->
codec_type
=
par_src
->
codec_type
;
if
(
!
par_dst
->
codec_tag
)
{
if
(
!
oc
->
oformat
->
codec_tag
||
av_codec_get_id
(
oc
->
oformat
->
codec_tag
,
par_src
->
codec_tag
)
==
par_dst
->
codec_id
||
av_codec_get_tag
(
oc
->
oformat
->
codec_tag
,
par_src
->
codec_id
)
<=
0
)
par_dst
->
codec_tag
=
par_src
->
codec_tag
;
}
par_dst
->
bit_rate
=
par_src
->
bit_rate
;
par_dst
->
field_order
=
par_src
->
field_order
;
par_dst
->
chroma_location
=
par_src
->
chroma_location
;
if
(
par_src
->
extradata
!=
NULL
)
{
par_dst
->
extradata
=
av_mallocz
(
extra_size
);
if
(
!
par_dst
->
extradata
)
{
return
AVERROR
(
ENOMEM
);
}
memcpy
(
par_dst
->
extradata
,
par_src
->
extradata
,
par_src
->
extradata_size
);
par_dst
->
extradata_size
=
par_src
->
extradata_size
;
}
ost
->
st
->
time_base
=
ist
->
st
->
time_base
;
if
(
ist
->
st
->
nb_side_data
)
{
ost
->
st
->
side_data
=
av_realloc_array
(
NULL
,
ist
->
st
->
nb_side_data
,
sizeof
(
*
ist
->
st
->
side_data
));
if
(
!
ost
->
st
->
side_data
)
return
AVERROR
(
ENOMEM
);
for
(
j
=
0
;
j
<
ist
->
st
->
nb_side_data
;
j
++
)
{
const
AVPacketSideData
*
sd_src
=
&
ist
->
st
->
side_data
[
j
];
AVPacketSideData
*
sd_dst
=
&
ost
->
st
->
side_data
[
j
];
sd_dst
->
data
=
av_malloc
(
sd_src
->
size
);
if
(
!
sd_dst
->
data
)
return
AVERROR
(
ENOMEM
);
memcpy
(
sd_dst
->
data
,
sd_src
->
data
,
sd_src
->
size
);
sd_dst
->
size
=
sd_src
->
size
;
sd_dst
->
type
=
sd_src
->
type
;
ost
->
st
->
nb_side_data
++
;
}
}
ost
->
parser
=
av_parser_init
(
par_dst
->
codec_id
);
ost
->
parser_avctx
=
avcodec_alloc_context3
(
NULL
);
if
(
!
ost
->
parser_avctx
)
return
AVERROR
(
ENOMEM
);
switch
(
par_dst
->
codec_type
)
{
case
AVMEDIA_TYPE_AUDIO
:
if
(
audio_volume
!=
256
)
{
av_log
(
NULL
,
AV_LOG_FATAL
,
"-acodec copy and -vol are incompatible (frames are not decoded)
\n
"
);
exit_program
(
1
);
}
par_dst
->
channel_layout
=
par_src
->
channel_layout
;
par_dst
->
sample_rate
=
par_src
->
sample_rate
;
par_dst
->
channels
=
par_src
->
channels
;
par_dst
->
block_align
=
par_src
->
block_align
;
break
;
case
AVMEDIA_TYPE_VIDEO
:
par_dst
->
format
=
par_src
->
format
;
par_dst
->
width
=
par_src
->
width
;
par_dst
->
height
=
par_src
->
height
;
if
(
ost
->
frame_aspect_ratio
)
sar
=
av_d2q
(
ost
->
frame_aspect_ratio
*
par_dst
->
height
/
par_dst
->
width
,
255
);
else
if
(
ist
->
st
->
sample_aspect_ratio
.
num
)
sar
=
ist
->
st
->
sample_aspect_ratio
;
else
sar
=
par_src
->
sample_aspect_ratio
;
ost
->
st
->
sample_aspect_ratio
=
par_dst
->
sample_aspect_ratio
=
sar
;
break
;
case
AVMEDIA_TYPE_SUBTITLE
:
par_dst
->
width
=
par_src
->
width
;
par_dst
->
height
=
par_src
->
height
;
break
;
case
AVMEDIA_TYPE_DATA
:
case
AVMEDIA_TYPE_ATTACHMENT
:
break
;
default:
abort
();
}
}
else
{
if
(
!
ost
->
stream_copy
)
{
AVCodecContext
*
enc_ctx
=
ost
->
enc_ctx
;
AVCodecContext
*
dec_ctx
=
NULL
;
...
...
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