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compat
avisynth
avisynth_c_25.h
Go to the documentation of this file.
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// Copyright (c) 2011 FFmpegSource Project
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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/* these are defines/functions that are used and were changed in the switch to 2.6
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* and are needed to maintain full compatility with 2.5 */
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enum
{
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AVS_CS_YV12_25
= 1<<3 |
AVS_CS_YUV
|
AVS_CS_PLANAR
,
// y-v-u, planar
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AVS_CS_I420_25
= 1<<4 |
AVS_CS_YUV
|
AVS_CS_PLANAR
,
// y-u-v, planar
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};
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AVSC_INLINE
int
avs_get_height_p_25
(
const
AVS_VideoFrame
* p,
int
plane) {
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switch
(plane)
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{
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case
AVS_PLANAR_U
:
case
AVS_PLANAR_V
:
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if
(p->
pitchUV
)
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return
p->
height
>>1;
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return
0;
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}
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return
p->
height
;}
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AVSC_INLINE
int
avs_get_row_size_p_25
(
const
AVS_VideoFrame
* p,
int
plane) {
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int
r
;
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switch
(plane)
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{
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case
AVS_PLANAR_U
:
case
AVS_PLANAR_V
:
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if
(p->
pitchUV
)
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return
p->
row_size
>>1;
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else
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return
0;
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case
AVS_PLANAR_U_ALIGNED
:
case
AVS_PLANAR_V_ALIGNED
:
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if
(p->
pitchUV
)
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{
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r = ((p->
row_size
+
AVS_FRAME_ALIGN
-1)&(~(
AVS_FRAME_ALIGN
-1)) )>>1;
// Aligned rowsize
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if
(r < p->pitchUV)
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return
r
;
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return
p->
row_size
>>1;
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}
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else
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return
0;
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case
AVS_PLANAR_Y_ALIGNED
:
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r = (p->
row_size
+
AVS_FRAME_ALIGN
-1)&(~(
AVS_FRAME_ALIGN
-1));
// Aligned rowsize
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if
(r <= p->pitch)
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return
r
;
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return
p->
row_size
;
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}
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return
p->
row_size
;
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}
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AVSC_INLINE
int
avs_is_yv12_25
(
const
AVS_VideoInfo
* p)
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{
return
((p->
pixel_type
&
AVS_CS_YV12_25
) ==
AVS_CS_YV12_25
)||((p->
pixel_type
&
AVS_CS_I420_25
) ==
AVS_CS_I420_25
); }
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