Skip to content
GitLab
Explore
Sign in
Register
Primary navigation
Search or go to…
Project
A
aom-rav1e
Manage
Activity
Members
Labels
Plan
Issues
Issue boards
Milestones
Wiki
Code
Merge requests
Repository
Branches
Commits
Tags
Repository graph
Compare revisions
Snippets
Build
Pipelines
Jobs
Pipeline schedules
Artifacts
Deploy
Releases
Container Registry
Model registry
Operate
Environments
Monitor
Incidents
Analyze
Value stream analytics
Contributor analytics
CI/CD analytics
Repository analytics
Model experiments
Help
Help
Support
GitLab documentation
Compare GitLab plans
Community forum
Contribute to GitLab
Provide feedback
Terms and privacy
Keyboard shortcuts
?
Snippets
Groups
Projects
Show more breadcrumbs
Xiph.Org
aom-rav1e
Commits
cb1f97e8
Commit
cb1f97e8
authored
10 years ago
by
Dmitry Kovalev
Browse files
Options
Downloads
Patches
Plain Diff
Adding lossless encoding example.
Change-Id: Ib8498c3127c397b453beff140503b2aca0d11cfc
parent
56b9c649
No related branches found
Branches containing commit
No related tags found
No related merge requests found
Changes
2
Hide whitespace changes
Inline
Side-by-side
Showing
2 changed files
examples.mk
+7
-0
7 additions, 0 deletions
examples.mk
examples/vp9_lossless_encoder.c
+144
-0
144 additions, 0 deletions
examples/vp9_lossless_encoder.c
with
151 additions
and
0 deletions
examples.mk
+
7
−
0
View file @
cb1f97e8
...
...
@@ -149,6 +149,13 @@ simple_encoder.SRCS += video_common.h
simple_encoder.SRCS
+=
video_writer.h video_writer.c
simple_encoder.GUID
=
4607D299-8A71-4D2C-9B1D-071899B6FBFD
simple_encoder.DESCRIPTION
=
Simplified encoder loop
EXAMPLES-$(CONFIG_VP9_ENCODER)
+=
vp9_lossless_encoder.c
vp9_lossless_encoder.SRCS
+=
ivfenc.h ivfenc.c
vp9_lossless_encoder.SRCS
+=
tools_common.h tools_common.c
vp9_lossless_encoder.SRCS
+=
video_common.h
vp9_lossless_encoder.SRCS
+=
video_writer.h video_writer.c
vp9_lossless_encoder.GUID
=
B63C7C88-5348-46DC-A5A6-CC151EF93366
vp9_lossless_encoder.DESCRIPTION
=
Simplified lossless VP9 encoder
EXAMPLES-$(CONFIG_VP8_ENCODER)
+=
twopass_encoder.c
twopass_encoder.SRCS
+=
ivfenc.h ivfenc.c
twopass_encoder.SRCS
+=
tools_common.h tools_common.c
...
...
This diff is collapsed.
Click to expand it.
examples/vp9_lossless_encoder.c
0 → 100644
+
144
−
0
View file @
cb1f97e8
/*
* Copyright (c) 2014 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include
<stdio.h>
#include
<stdlib.h>
#include
<string.h>
#include
"vpx/vpx_encoder.h"
#include
"vpx/vp8cx.h"
#include
"./tools_common.h"
#include
"./video_writer.h"
static
const
char
*
exec_name
;
void
usage_exit
()
{
fprintf
(
stderr
,
"vp9_lossless_encoder: Example demonstrating VP9 lossless "
"encoding feature. Supports raw input only.
\n
"
);
fprintf
(
stderr
,
"Usage: %s <width> <height> <infile> <outfile>
\n
"
,
exec_name
);
exit
(
EXIT_FAILURE
);
}
static
int
encode_frame
(
vpx_codec_ctx_t
*
codec
,
vpx_image_t
*
img
,
int
frame_index
,
int
flags
,
VpxVideoWriter
*
writer
)
{
int
got_pkts
=
0
;
vpx_codec_iter_t
iter
=
NULL
;
const
vpx_codec_cx_pkt_t
*
pkt
=
NULL
;
const
vpx_codec_err_t
res
=
vpx_codec_encode
(
codec
,
img
,
frame_index
,
1
,
flags
,
VPX_DL_GOOD_QUALITY
);
if
(
res
!=
VPX_CODEC_OK
)
die_codec
(
codec
,
"Failed to encode frame"
);
while
((
pkt
=
vpx_codec_get_cx_data
(
codec
,
&
iter
))
!=
NULL
)
{
got_pkts
=
1
;
if
(
pkt
->
kind
==
VPX_CODEC_CX_FRAME_PKT
)
{
const
int
keyframe
=
(
pkt
->
data
.
frame
.
flags
&
VPX_FRAME_IS_KEY
)
!=
0
;
if
(
!
vpx_video_writer_write_frame
(
writer
,
pkt
->
data
.
frame
.
buf
,
pkt
->
data
.
frame
.
sz
,
pkt
->
data
.
frame
.
pts
))
{
die_codec
(
codec
,
"Failed to write compressed frame"
);
}
printf
(
keyframe
?
"K"
:
"."
);
fflush
(
stdout
);
}
}
return
got_pkts
;
}
int
main
(
int
argc
,
char
**
argv
)
{
FILE
*
infile
=
NULL
;
vpx_codec_ctx_t
codec
;
vpx_codec_enc_cfg_t
cfg
;
int
frame_count
=
0
;
vpx_image_t
raw
;
vpx_codec_err_t
res
;
VpxVideoInfo
info
=
{
0
};
VpxVideoWriter
*
writer
=
NULL
;
const
VpxInterface
*
encoder
=
NULL
;
const
int
fps
=
30
;
exec_name
=
argv
[
0
];
if
(
argc
<
5
)
die
(
"Invalid number of arguments"
);
encoder
=
get_vpx_encoder_by_name
(
"vp9"
);
if
(
!
encoder
)
die
(
"Unsupported codec."
);
info
.
codec_fourcc
=
encoder
->
fourcc
;
info
.
frame_width
=
strtol
(
argv
[
1
],
NULL
,
0
);
info
.
frame_height
=
strtol
(
argv
[
2
],
NULL
,
0
);
info
.
time_base
.
numerator
=
1
;
info
.
time_base
.
denominator
=
fps
;
if
(
info
.
frame_width
<=
0
||
info
.
frame_height
<=
0
||
(
info
.
frame_width
%
2
)
!=
0
||
(
info
.
frame_height
%
2
)
!=
0
)
{
die
(
"Invalid frame size: %dx%d"
,
info
.
frame_width
,
info
.
frame_height
);
}
if
(
!
vpx_img_alloc
(
&
raw
,
VPX_IMG_FMT_I420
,
info
.
frame_width
,
info
.
frame_height
,
1
))
{
die
(
"Failed to allocate image."
);
}
printf
(
"Using %s
\n
"
,
vpx_codec_iface_name
(
encoder
->
codec_interface
()));
res
=
vpx_codec_enc_config_default
(
encoder
->
codec_interface
(),
&
cfg
,
0
);
if
(
res
)
die_codec
(
&
codec
,
"Failed to get default codec config."
);
cfg
.
g_w
=
info
.
frame_width
;
cfg
.
g_h
=
info
.
frame_height
;
cfg
.
g_timebase
.
num
=
info
.
time_base
.
numerator
;
cfg
.
g_timebase
.
den
=
info
.
time_base
.
denominator
;
writer
=
vpx_video_writer_open
(
argv
[
4
],
kContainerIVF
,
&
info
);
if
(
!
writer
)
die
(
"Failed to open %s for writing."
,
argv
[
4
]);
if
(
!
(
infile
=
fopen
(
argv
[
3
],
"rb"
)))
die
(
"Failed to open %s for reading."
,
argv
[
3
]);
if
(
vpx_codec_enc_init
(
&
codec
,
encoder
->
codec_interface
(),
&
cfg
,
0
))
die_codec
(
&
codec
,
"Failed to initialize encoder"
);
if
(
vpx_codec_control_
(
&
codec
,
VP9E_SET_LOSSLESS
,
1
))
die_codec
(
&
codec
,
"Failed to use lossless mode"
);
// Encode frames.
while
(
vpx_img_read
(
&
raw
,
infile
))
{
encode_frame
(
&
codec
,
&
raw
,
frame_count
++
,
0
,
writer
);
}
// Flush encoder.
while
(
encode_frame
(
&
codec
,
NULL
,
-
1
,
0
,
writer
))
{}
printf
(
"
\n
"
);
fclose
(
infile
);
printf
(
"Processed %d frames.
\n
"
,
frame_count
);
vpx_img_free
(
&
raw
);
if
(
vpx_codec_destroy
(
&
codec
))
die_codec
(
&
codec
,
"Failed to destroy codec."
);
vpx_video_writer_close
(
writer
);
return
EXIT_SUCCESS
;
}
This diff is collapsed.
Click to expand it.
Preview
0%
Loading
Try again
or
attach a new file
.
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Save comment
Cancel
Please
register
or
sign in
to comment