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avisynth: drop support of AviSynth 2.5

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If the user attempts to use AviSynth 2.5, an error message will
now tell them they need to upgrade.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Stephen Hutchinson 2015-03-24 15:23:30 -04:00 committed by Michael Niedermayer
parent bdcd36a4c8
commit 1492118c9d
2 changed files with 15 additions and 76 deletions
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68
compat/avisynth/avisynth_c_25.h
View File

@ -1,68 +0,0 @@
// Copyright (c) 2011 FFmpegSource Project
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
/* these are defines/functions that are used and were changed in the switch to 2.6
* and are needed to maintain full compatility with 2.5 */
enum {
AVS_CS_YV12_25 = 1<<3 | AVS_CS_YUV | AVS_CS_PLANAR, // y-v-u, planar
AVS_CS_I420_25 = 1<<4 | AVS_CS_YUV | AVS_CS_PLANAR, // y-u-v, planar
};
AVSC_INLINE int avs_get_height_p_25(const AVS_VideoFrame * p, int plane) {
switch (plane)
{
case AVS_PLANAR_U: case AVS_PLANAR_V:
if (p->pitchUV)
return p->height>>1;
return 0;
}
return p->height;}
AVSC_INLINE int avs_get_row_size_p_25(const AVS_VideoFrame * p, int plane) {
int r;
switch (plane)
{
case AVS_PLANAR_U: case AVS_PLANAR_V:
if (p->pitchUV)
return p->row_size>>1;
else
return 0;
case AVS_PLANAR_U_ALIGNED: case AVS_PLANAR_V_ALIGNED:
if (p->pitchUV)
{
r = ((p->row_size+AVS_FRAME_ALIGN-1)&(~(AVS_FRAME_ALIGN-1)) )>>1; // Aligned rowsize
if (r < p->pitchUV)
return r;
return p->row_size>>1;
}
else
return 0;
case AVS_PLANAR_Y_ALIGNED:
r = (p->row_size+AVS_FRAME_ALIGN-1)&(~(AVS_FRAME_ALIGN-1)); // Aligned rowsize
if (r <= p->pitch)
return r;
return p->row_size;
}
return p->row_size;
}
AVSC_INLINE int avs_is_yv12_25(const AVS_VideoInfo * p)
{ return ((p->pixel_type & AVS_CS_YV12_25) == AVS_CS_YV12_25)||((p->pixel_type & AVS_CS_I420_25) == AVS_CS_I420_25); }

23
libavformat/avisynth.c
View File

@ -31,7 +31,6 @@
#include <windows.h>
#undef EXTERN_C
#include "compat/avisynth/avisynth_c.h"
#include "compat/avisynth/avisynth_c_25.h"
#define AVISYNTH_LIB "avisynth"
#define USING_AVISYNTH
#else
@ -406,6 +405,19 @@ static int avisynth_open_file(AVFormatContext *s)
avs->clip = avs_library.avs_take_clip(val, avs->env);
avs->vi = avs_library.avs_get_video_info(avs->clip);
#ifdef USING_AVISYNTH
/* FFmpeg only supports AviSynth 2.6 on Windows. Since AvxSynth
* identifies itself as interface version 3 like 2.5.8, this
* needs to be special-cased. */
if (avs_library.avs_get_version(avs->clip) == 3) {
av_log(s, AV_LOG_ERROR,
"AviSynth 2.5.8 not supported. Please upgrade to 2.6.\n");
ret = AVERROR_UNKNOWN;
goto fail;
}
#endif
/* Release the AVS_Value as it will go out of scope. */
avs_library.avs_release_value(val);
@ -505,13 +517,8 @@ static int avisynth_read_packet_video(AVFormatContext *s, AVPacket *pkt,
src_p = avs_library.avs_get_read_ptr_p(frame, plane);
pitch = avs_library.avs_get_pitch_p(frame, plane);
if (avs_library.avs_get_version(avs->clip) == 3) {
rowsize = avs_get_row_size_p_25(frame, plane);
planeheight = avs_get_height_p_25(frame, plane);
} else {
rowsize = avs_library.avs_get_row_size_p(frame, plane);
planeheight = avs_library.avs_get_height_p(frame, plane);
}
rowsize = avs_library.avs_get_row_size_p(frame, plane);
planeheight = avs_library.avs_get_height_p(frame, plane);
#else
src_p = avs_get_read_ptr_p(frame, plane);
pitch = avs_get_pitch_p(frame, plane);