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03ca6d70
编写于
6月 12, 2015
作者:
L
Luca Barbato
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
x264: Factor out the reconfiguration code
上级
24ad3ac6
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
86 addition
and
78 deletion
+86
-78
libavcodec/libx264.c
libavcodec/libx264.c
+86
-78
未找到文件。
libavcodec/libx264.c
浏览文件 @
03ca6d70
...
...
@@ -128,6 +128,91 @@ static int encode_nals(AVCodecContext *ctx, AVPacket *pkt,
return
1
;
}
static
void
reconfig_encoder
(
AVCodecContext
*
ctx
,
const
AVFrame
*
frame
)
{
X264Context
*
x4
=
ctx
->
priv_data
;
AVFrameSideData
*
side_data
;
if
(
x4
->
params
.
b_tff
!=
frame
->
top_field_first
)
{
x4
->
params
.
b_tff
=
frame
->
top_field_first
;
x264_encoder_reconfig
(
x4
->
enc
,
&
x4
->
params
);
}
if
(
x4
->
params
.
vui
.
i_sar_height
!=
ctx
->
sample_aspect_ratio
.
den
||
x4
->
params
.
vui
.
i_sar_width
!=
ctx
->
sample_aspect_ratio
.
num
)
{
x4
->
params
.
vui
.
i_sar_height
=
ctx
->
sample_aspect_ratio
.
den
;
x4
->
params
.
vui
.
i_sar_width
=
ctx
->
sample_aspect_ratio
.
num
;
x264_encoder_reconfig
(
x4
->
enc
,
&
x4
->
params
);
}
if
(
x4
->
params
.
rc
.
i_vbv_buffer_size
!=
ctx
->
rc_buffer_size
/
1000
||
x4
->
params
.
rc
.
i_vbv_max_bitrate
!=
ctx
->
rc_max_rate
/
1000
)
{
x4
->
params
.
rc
.
i_vbv_buffer_size
=
ctx
->
rc_buffer_size
/
1000
;
x4
->
params
.
rc
.
i_vbv_max_bitrate
=
ctx
->
rc_max_rate
/
1000
;
x264_encoder_reconfig
(
x4
->
enc
,
&
x4
->
params
);
}
if
(
x4
->
params
.
rc
.
i_rc_method
==
X264_RC_ABR
&&
x4
->
params
.
rc
.
i_bitrate
!=
ctx
->
bit_rate
/
1000
)
{
x4
->
params
.
rc
.
i_bitrate
=
ctx
->
bit_rate
/
1000
;
x264_encoder_reconfig
(
x4
->
enc
,
&
x4
->
params
);
}
if
(
x4
->
crf
>=
0
&&
x4
->
params
.
rc
.
i_rc_method
==
X264_RC_CRF
&&
x4
->
params
.
rc
.
f_rf_constant
!=
x4
->
crf
)
{
x4
->
params
.
rc
.
f_rf_constant
=
x4
->
crf
;
x264_encoder_reconfig
(
x4
->
enc
,
&
x4
->
params
);
}
if
(
x4
->
params
.
rc
.
i_rc_method
==
X264_RC_CQP
&&
x4
->
params
.
rc
.
i_qp_constant
!=
x4
->
cqp
)
{
x4
->
params
.
rc
.
i_qp_constant
=
x4
->
cqp
;
x264_encoder_reconfig
(
x4
->
enc
,
&
x4
->
params
);
}
if
(
x4
->
crf_max
>=
0
&&
x4
->
params
.
rc
.
f_rf_constant_max
!=
x4
->
crf_max
)
{
x4
->
params
.
rc
.
f_rf_constant_max
=
x4
->
crf_max
;
x264_encoder_reconfig
(
x4
->
enc
,
&
x4
->
params
);
}
side_data
=
av_frame_get_side_data
(
frame
,
AV_FRAME_DATA_STEREO3D
);
if
(
side_data
)
{
AVStereo3D
*
stereo
=
(
AVStereo3D
*
)
side_data
->
data
;
int
fpa_type
;
switch
(
stereo
->
type
)
{
case
AV_STEREO3D_CHECKERBOARD
:
fpa_type
=
0
;
break
;
case
AV_STEREO3D_COLUMNS
:
fpa_type
=
1
;
break
;
case
AV_STEREO3D_LINES
:
fpa_type
=
2
;
break
;
case
AV_STEREO3D_SIDEBYSIDE
:
fpa_type
=
3
;
break
;
case
AV_STEREO3D_TOPBOTTOM
:
fpa_type
=
4
;
break
;
case
AV_STEREO3D_FRAMESEQUENCE
:
fpa_type
=
5
;
break
;
default:
fpa_type
=
-
1
;
break
;
}
if
(
fpa_type
!=
x4
->
params
.
i_frame_packing
)
{
x4
->
params
.
i_frame_packing
=
fpa_type
;
x264_encoder_reconfig
(
x4
->
enc
,
&
x4
->
params
);
}
}
}
static
int
X264_frame
(
AVCodecContext
*
ctx
,
AVPacket
*
pkt
,
const
AVFrame
*
frame
,
int
*
got_packet
)
{
...
...
@@ -135,7 +220,6 @@ static int X264_frame(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame,
x264_nal_t
*
nal
;
int
nnal
,
i
,
ret
;
x264_picture_t
pic_out
;
AVFrameSideData
*
side_data
;
x264_picture_init
(
&
x4
->
pic
);
x4
->
pic
.
img
.
i_csp
=
x4
->
params
.
i_csp
;
...
...
@@ -155,83 +239,7 @@ static int X264_frame(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame,
frame
->
pict_type
==
AV_PICTURE_TYPE_P
?
X264_TYPE_P
:
frame
->
pict_type
==
AV_PICTURE_TYPE_B
?
X264_TYPE_B
:
X264_TYPE_AUTO
;
if
(
x4
->
params
.
b_tff
!=
frame
->
top_field_first
)
{
x4
->
params
.
b_tff
=
frame
->
top_field_first
;
x264_encoder_reconfig
(
x4
->
enc
,
&
x4
->
params
);
}
if
(
x4
->
params
.
vui
.
i_sar_height
!=
ctx
->
sample_aspect_ratio
.
den
||
x4
->
params
.
vui
.
i_sar_width
!=
ctx
->
sample_aspect_ratio
.
num
)
{
x4
->
params
.
vui
.
i_sar_height
=
ctx
->
sample_aspect_ratio
.
den
;
x4
->
params
.
vui
.
i_sar_width
=
ctx
->
sample_aspect_ratio
.
num
;
x264_encoder_reconfig
(
x4
->
enc
,
&
x4
->
params
);
}
if
(
x4
->
params
.
rc
.
i_vbv_buffer_size
!=
ctx
->
rc_buffer_size
/
1000
||
x4
->
params
.
rc
.
i_vbv_max_bitrate
!=
ctx
->
rc_max_rate
/
1000
)
{
x4
->
params
.
rc
.
i_vbv_buffer_size
=
ctx
->
rc_buffer_size
/
1000
;
x4
->
params
.
rc
.
i_vbv_max_bitrate
=
ctx
->
rc_max_rate
/
1000
;
x264_encoder_reconfig
(
x4
->
enc
,
&
x4
->
params
);
}
if
(
x4
->
params
.
rc
.
i_rc_method
==
X264_RC_ABR
&&
x4
->
params
.
rc
.
i_bitrate
!=
ctx
->
bit_rate
/
1000
)
{
x4
->
params
.
rc
.
i_bitrate
=
ctx
->
bit_rate
/
1000
;
x264_encoder_reconfig
(
x4
->
enc
,
&
x4
->
params
);
}
if
(
x4
->
crf
>=
0
&&
x4
->
params
.
rc
.
i_rc_method
==
X264_RC_CRF
&&
x4
->
params
.
rc
.
f_rf_constant
!=
x4
->
crf
)
{
x4
->
params
.
rc
.
f_rf_constant
=
x4
->
crf
;
x264_encoder_reconfig
(
x4
->
enc
,
&
x4
->
params
);
}
if
(
x4
->
params
.
rc
.
i_rc_method
==
X264_RC_CQP
&&
x4
->
params
.
rc
.
i_qp_constant
!=
x4
->
cqp
)
{
x4
->
params
.
rc
.
i_qp_constant
=
x4
->
cqp
;
x264_encoder_reconfig
(
x4
->
enc
,
&
x4
->
params
);
}
if
(
x4
->
crf_max
>=
0
&&
x4
->
params
.
rc
.
f_rf_constant_max
!=
x4
->
crf_max
)
{
x4
->
params
.
rc
.
f_rf_constant_max
=
x4
->
crf_max
;
x264_encoder_reconfig
(
x4
->
enc
,
&
x4
->
params
);
}
side_data
=
av_frame_get_side_data
(
frame
,
AV_FRAME_DATA_STEREO3D
);
if
(
side_data
)
{
AVStereo3D
*
stereo
=
(
AVStereo3D
*
)
side_data
->
data
;
int
fpa_type
;
switch
(
stereo
->
type
)
{
case
AV_STEREO3D_CHECKERBOARD
:
fpa_type
=
0
;
break
;
case
AV_STEREO3D_COLUMNS
:
fpa_type
=
1
;
break
;
case
AV_STEREO3D_LINES
:
fpa_type
=
2
;
break
;
case
AV_STEREO3D_SIDEBYSIDE
:
fpa_type
=
3
;
break
;
case
AV_STEREO3D_TOPBOTTOM
:
fpa_type
=
4
;
break
;
case
AV_STEREO3D_FRAMESEQUENCE
:
fpa_type
=
5
;
break
;
default:
fpa_type
=
-
1
;
break
;
}
if
(
fpa_type
!=
x4
->
params
.
i_frame_packing
)
{
x4
->
params
.
i_frame_packing
=
fpa_type
;
x264_encoder_reconfig
(
x4
->
enc
,
&
x4
->
params
);
}
}
reconfig_encoder
(
ctx
,
frame
);
}
do
{
if
(
x264_encoder_encode
(
x4
->
enc
,
&
nal
,
&
nnal
,
frame
?
&
x4
->
pic
:
NULL
,
&
pic_out
)
<
0
)
...
...
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