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[FFmpeg-devel,2/4] avisynth: switch to AviSynth+ on Linux

Message ID 20200312233802.4033-2-qyot27@gmail.com
State New
Headers show
Series [FFmpeg-devel,1/4] compat: remove avisynth headers
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Commit Message

Stephen Hutchinson March 12, 2020, 11:38 p.m. UTC
AviSynth+ now supports non-Windows OSes, making AvxSynth
obsolete.  Since we no longer support AviSynth 2.5 (which is
essentially what AvxSynth is), remove AvxSynth support and
replace it with AviSynth+.

As a result, the USING_AVISYNTH defines can be switched back
to generic _WIN32.
---
 libavformat/avisynth.c | 56 +++++++++++-------------------------------
 1 file changed, 15 insertions(+), 41 deletions(-)

Comments

Stephen Hutchinson March 24, 2020, 6:40 p.m. UTC | #1
On 3/12/20 7:38 PM, Stephen Hutchinson wrote:
> AviSynth+ now supports non-Windows OSes, making AvxSynth
> obsolete.  Since we no longer support AviSynth 2.5 (which is
> essentially what AvxSynth is), remove AvxSynth support and
> replace it with AviSynth+.
> 
> As a result, the USING_AVISYNTH defines can be switched back
> to generic _WIN32.
> ---
>   libavformat/avisynth.c | 56 +++++++++++-------------------------------
>   1 file changed, 15 insertions(+), 41 deletions(-)
> 
> diff --git a/libavformat/avisynth.c b/libavformat/avisynth.c
> index 55a2efd884..43b65badc9 100644
> --- a/libavformat/avisynth.c
> +++ b/libavformat/avisynth.c
> @@ -1,5 +1,5 @@
>   /*
> - * AviSynth/AvxSynth support
> + * AviSynth(+) support
>    * Copyright (c) 2012 AvxSynth Team
>    *
>    * This file is part of FFmpeg
> @@ -31,20 +31,19 @@
>   /* Enable function pointer definitions for runtime loading. */
>   #define AVSC_NO_DECLSPEC
>   
> -/* Platform-specific directives for AviSynth vs AvxSynth. */
> +/* Platform-specific directives. */
>   #ifdef _WIN32
>     #include "compat/w32dlfcn.h"
>     #undef EXTERN_C
> -  #include "compat/avisynth/avisynth_c.h"
>     #define AVISYNTH_LIB "avisynth"
> -  #define USING_AVISYNTH
>   #else
>     #include <dlfcn.h>
> -  #include "compat/avisynth/avxsynth_c.h"
> -  #define AVISYNTH_NAME "libavxsynth"
> +  #define AVISYNTH_NAME "libavisynth"
>     #define AVISYNTH_LIB AVISYNTH_NAME SLIBSUF
>   #endif
>   
> +#include <avisynth/avisynth_c.h>
> +
>   typedef struct AviSynthLibrary {
>       void *library;
>   #define AVSC_DECLARE_FUNC(name) name ## _func name
> @@ -62,7 +61,6 @@ typedef struct AviSynthLibrary {
>       AVSC_DECLARE_FUNC(avs_release_value);
>       AVSC_DECLARE_FUNC(avs_release_video_frame);
>       AVSC_DECLARE_FUNC(avs_take_clip);
> -#ifdef USING_AVISYNTH
>       AVSC_DECLARE_FUNC(avs_bits_per_pixel);
>       AVSC_DECLARE_FUNC(avs_get_height_p);
>       AVSC_DECLARE_FUNC(avs_get_pitch_p);
> @@ -70,7 +68,6 @@ typedef struct AviSynthLibrary {
>       AVSC_DECLARE_FUNC(avs_get_row_size_p);
>       AVSC_DECLARE_FUNC(avs_is_planar_rgb);
>       AVSC_DECLARE_FUNC(avs_is_planar_rgba);
> -#endif
>   #undef AVSC_DECLARE_FUNC
>   } AviSynthLibrary;
>   
> @@ -97,14 +94,12 @@ static const int avs_planes_packed[1] = { 0 };
>   static const int avs_planes_grey[1]   = { AVS_PLANAR_Y };
>   static const int avs_planes_yuv[3]    = { AVS_PLANAR_Y, AVS_PLANAR_U,
>                                             AVS_PLANAR_V };
> -#ifdef USING_AVISYNTH
>   static const int avs_planes_rgb[3]    = { AVS_PLANAR_G, AVS_PLANAR_B,
>                                             AVS_PLANAR_R };
>   static const int avs_planes_yuva[4]   = { AVS_PLANAR_Y, AVS_PLANAR_U,
>                                             AVS_PLANAR_V, AVS_PLANAR_A };
>   static const int avs_planes_rgba[4]   = { AVS_PLANAR_G, AVS_PLANAR_B,
>                                             AVS_PLANAR_R, AVS_PLANAR_A };
> -#endif
>   
>   /* A conflict between C++ global objects, atexit, and dynamic loading requires
>    * us to register our own atexit handler to prevent double freeing. */
> @@ -142,7 +137,6 @@ static av_cold int avisynth_load_library(void)
>       LOAD_AVS_FUNC(avs_release_value, 0);
>       LOAD_AVS_FUNC(avs_release_video_frame, 0);
>       LOAD_AVS_FUNC(avs_take_clip, 0);
> -#ifdef USING_AVISYNTH
>       LOAD_AVS_FUNC(avs_bits_per_pixel, 1);
>       LOAD_AVS_FUNC(avs_get_height_p, 1);
>       LOAD_AVS_FUNC(avs_get_pitch_p, 1);
> @@ -150,7 +144,6 @@ static av_cold int avisynth_load_library(void)
>       LOAD_AVS_FUNC(avs_get_row_size_p, 1);
>       LOAD_AVS_FUNC(avs_is_planar_rgb, 1);
>       LOAD_AVS_FUNC(avs_is_planar_rgba, 1);
> -#endif
>   #undef LOAD_AVS_FUNC
>   
>       atexit(avisynth_atexit_handler);
> @@ -249,7 +242,6 @@ static int avisynth_create_stream_video(AVFormatContext *s, AVStream *st)
>       avpriv_set_pts_info(st, 32, avs->vi->fps_denominator, avs->vi->fps_numerator);
>   
>       switch (avs->vi->pixel_type) {
> -#ifdef USING_AVISYNTH
>       /* 10~16-bit YUV pix_fmts (AviSynth+) */
>       case AVS_CS_YUV444P10:
>           st->codecpar->format = AV_PIX_FMT_YUV444P10;
> @@ -434,8 +426,7 @@ static int avisynth_create_stream_video(AVFormatContext *s, AVStream *st)
>       case AVS_CS_BGR64:
>           st->codecpar->format = AV_PIX_FMT_BGRA64;
>           break;
> -#endif
> -    /* AviSynth 2.5 and AvxSynth pix_fmts */
> +    /* AviSynth 2.5 pix_fmts */
>       case AVS_CS_BGR24:
>           st->codecpar->format = AV_PIX_FMT_BGR24;
>           break;
> @@ -461,7 +452,6 @@ static int avisynth_create_stream_video(AVFormatContext *s, AVStream *st)
>       }
>   
>       switch (planar) {
> -#ifdef USING_AVISYNTH
>       case 5: // Planar RGB + Alpha
>           avs->n_planes = 4;
>           avs->planes   = avs_planes_rgba;
> @@ -474,7 +464,6 @@ static int avisynth_create_stream_video(AVFormatContext *s, AVStream *st)
>           avs->n_planes = 3;
>           avs->planes   = avs_planes_rgb;
>           break;
> -#endif
>       case 2: // Y8
>           avs->n_planes = 1;
>           avs->planes   = avs_planes_grey;
> @@ -556,7 +545,7 @@ static int avisynth_open_file(AVFormatContext *s)
>       AviSynthContext *avs = s->priv_data;
>       AVS_Value arg, val;
>       int ret;
> -#ifdef USING_AVISYNTH
> +#ifdef _WIN32
>       char filename_ansi[MAX_PATH * 4];
>       wchar_t filename_wc[MAX_PATH * 4];
>   #endif
> @@ -564,7 +553,7 @@ static int avisynth_open_file(AVFormatContext *s)
>       if (ret = avisynth_context_create(s))
>           return ret;
>   
> -#ifdef USING_AVISYNTH
> +#ifdef _WIN32
>       /* Convert UTF-8 to ANSI code page */
>       MultiByteToWideChar(CP_UTF8, 0, s->filename, -1, filename_wc, MAX_PATH * 4);
>       WideCharToMultiByte(CP_THREAD_ACP, 0, filename_wc, -1, filename_ansi,
> @@ -588,11 +577,9 @@ 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
>       /* On Windows, FFmpeg supports AviSynth interface version 6 or higher.
>        * This includes AviSynth 2.6 RC1 or higher, and AviSynth+ r1718 or higher,
> -     * and excludes 2.5 and the 2.6 alphas. Since AvxSynth identifies itself
> -     * as interface version 3 like 2.5.8, this needs to be special-cased. */
> +     * and excludes 2.5 and the 2.6 alphas. */
>   
>       if (avs_library.avs_get_version(avs->clip) < 6) {
>           av_log(s, AV_LOG_ERROR,
> @@ -600,7 +587,6 @@ static int avisynth_open_file(AVFormatContext *s)
>           ret = AVERROR_UNKNOWN;
>           goto fail;
>       }
> -#endif
>   
>       /* Release the AVS_Value as it will go out of scope. */
>       avs_library.avs_release_value(val);
> @@ -652,23 +638,21 @@ static int avisynth_read_packet_video(AVFormatContext *s, AVPacket *pkt,
>       if (discard)
>           return 0;
>   
> -#ifdef USING_AVISYNTH
> +#ifdef _WIN32
>       /* Detect whether we're using AviSynth 2.6 or AviSynth+ by
>        * looking for whether avs_is_planar_rgb exists. */
>       if (GetProcAddress(avs_library.library, "avs_is_planar_rgb") == NULL)
>           avsplus = 0;
>       else
>           avsplus = 1;
> -
> -    /* avs_bits_per_pixel changed to AVSC_API with AviSynth 2.6, which
> -     * requires going through avs_library, while AvxSynth has it under
> -     * the older AVSC_INLINE type, so special-case this. */
> -
> -    bits = avs_library.avs_bits_per_pixel(avs->vi);
>   #else
> -    bits = avs_bits_per_pixel(avs->vi);
> +    /* AviSynth+ is now the only variant of AviSynth we support
> +     * on Linux and macOS. */
> +    avsplus = 1;
>   #endif
>   
> +    bits = avs_library.avs_bits_per_pixel(avs->vi);
> +
>       /* Without the cast to int64_t, calculation overflows at about 9k x 9k
>        * resolution. */
>       pkt->size = (((int64_t)avs->vi->width *
> @@ -696,19 +680,11 @@ static int avisynth_read_packet_video(AVFormatContext *s, AVPacket *pkt,
>       dst_p = pkt->data;
>       for (i = 0; i < avs->n_planes; i++) {
>           plane = avs->planes[i];
> -#ifdef USING_AVISYNTH
>           src_p = avs_library.avs_get_read_ptr_p(frame, plane);
>           pitch = avs_library.avs_get_pitch_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);
> -
> -        rowsize     = avs_get_row_size_p(frame, plane);
> -        planeheight = avs_get_height_p(frame, plane);
> -#endif
>   
>           /* Flip RGB video. */
>           if (avs_is_rgb24(avs->vi) || avs_is_rgb(avs->vi)) {
> @@ -716,14 +692,12 @@ static int avisynth_read_packet_video(AVFormatContext *s, AVPacket *pkt,
>               pitch = -pitch;
>           }
>   
> -#ifdef USING_AVISYNTH
>           /* Flip Planar RGB video */
>           if (avsplus && (avs_library.avs_is_planar_rgb(avs->vi) ||
>                           avs_library.avs_is_planar_rgba(avs->vi))) {
>               src_p = src_p + (planeheight - 1) * pitch;
>               pitch = -pitch;
>           }
> -#endif
>   
>           avs_library.avs_bit_blt(avs->env, dst_p, rowsize, src_p, pitch,
>                                    rowsize, planeheight);
> 

Ping.
Stephen Hutchinson April 4, 2020, 9:56 p.m. UTC | #2
On 3/24/2020 2:40 PM, Stephen Hutchinson wrote:
> On 3/12/20 7:38 PM, Stephen Hutchinson wrote:
>> AviSynth+ now supports non-Windows OSes, making AvxSynth
>> obsolete.  Since we no longer support AviSynth 2.5 (which is
>> essentially what AvxSynth is), remove AvxSynth support and
>> replace it with AviSynth+.
>>
>> As a result, the USING_AVISYNTH defines can be switched back
>> to generic _WIN32.
>> ---
>>   libavformat/avisynth.c | 56 +++++++++++-------------------------------
>>   1 file changed, 15 insertions(+), 41 deletions(-)
>>
>> diff --git a/libavformat/avisynth.c b/libavformat/avisynth.c
>> index 55a2efd884..43b65badc9 100644
>> --- a/libavformat/avisynth.c
>> +++ b/libavformat/avisynth.c
>> @@ -1,5 +1,5 @@
>>   /*
>> - * AviSynth/AvxSynth support
>> + * AviSynth(+) support
>>    * Copyright (c) 2012 AvxSynth Team
>>    *
>>    * This file is part of FFmpeg
>> @@ -31,20 +31,19 @@
>>   /* Enable function pointer definitions for runtime loading. */
>>   #define AVSC_NO_DECLSPEC
>> -/* Platform-specific directives for AviSynth vs AvxSynth. */
>> +/* Platform-specific directives. */
>>   #ifdef _WIN32
>>     #include "compat/w32dlfcn.h"
>>     #undef EXTERN_C
>> -  #include "compat/avisynth/avisynth_c.h"
>>     #define AVISYNTH_LIB "avisynth"
>> -  #define USING_AVISYNTH
>>   #else
>>     #include <dlfcn.h>
>> -  #include "compat/avisynth/avxsynth_c.h"
>> -  #define AVISYNTH_NAME "libavxsynth"
>> +  #define AVISYNTH_NAME "libavisynth"
>>     #define AVISYNTH_LIB AVISYNTH_NAME SLIBSUF
>>   #endif
>> +#include <avisynth/avisynth_c.h>
>> +
>>   typedef struct AviSynthLibrary {
>>       void *library;
>>   #define AVSC_DECLARE_FUNC(name) name ## _func name
>> @@ -62,7 +61,6 @@ typedef struct AviSynthLibrary {
>>       AVSC_DECLARE_FUNC(avs_release_value);
>>       AVSC_DECLARE_FUNC(avs_release_video_frame);
>>       AVSC_DECLARE_FUNC(avs_take_clip);
>> -#ifdef USING_AVISYNTH
>>       AVSC_DECLARE_FUNC(avs_bits_per_pixel);
>>       AVSC_DECLARE_FUNC(avs_get_height_p);
>>       AVSC_DECLARE_FUNC(avs_get_pitch_p);
>> @@ -70,7 +68,6 @@ typedef struct AviSynthLibrary {
>>       AVSC_DECLARE_FUNC(avs_get_row_size_p);
>>       AVSC_DECLARE_FUNC(avs_is_planar_rgb);
>>       AVSC_DECLARE_FUNC(avs_is_planar_rgba);
>> -#endif
>>   #undef AVSC_DECLARE_FUNC
>>   } AviSynthLibrary;
>> @@ -97,14 +94,12 @@ static const int avs_planes_packed[1] = { 0 };
>>   static const int avs_planes_grey[1]   = { AVS_PLANAR_Y };
>>   static const int avs_planes_yuv[3]    = { AVS_PLANAR_Y, AVS_PLANAR_U,
>>                                             AVS_PLANAR_V };
>> -#ifdef USING_AVISYNTH
>>   static const int avs_planes_rgb[3]    = { AVS_PLANAR_G, AVS_PLANAR_B,
>>                                             AVS_PLANAR_R };
>>   static const int avs_planes_yuva[4]   = { AVS_PLANAR_Y, AVS_PLANAR_U,
>>                                             AVS_PLANAR_V, AVS_PLANAR_A };
>>   static const int avs_planes_rgba[4]   = { AVS_PLANAR_G, AVS_PLANAR_B,
>>                                             AVS_PLANAR_R, AVS_PLANAR_A };
>> -#endif
>>   /* A conflict between C++ global objects, atexit, and dynamic 
>> loading requires
>>    * us to register our own atexit handler to prevent double freeing. */
>> @@ -142,7 +137,6 @@ static av_cold int avisynth_load_library(void)
>>       LOAD_AVS_FUNC(avs_release_value, 0);
>>       LOAD_AVS_FUNC(avs_release_video_frame, 0);
>>       LOAD_AVS_FUNC(avs_take_clip, 0);
>> -#ifdef USING_AVISYNTH
>>       LOAD_AVS_FUNC(avs_bits_per_pixel, 1);
>>       LOAD_AVS_FUNC(avs_get_height_p, 1);
>>       LOAD_AVS_FUNC(avs_get_pitch_p, 1);
>> @@ -150,7 +144,6 @@ static av_cold int avisynth_load_library(void)
>>       LOAD_AVS_FUNC(avs_get_row_size_p, 1);
>>       LOAD_AVS_FUNC(avs_is_planar_rgb, 1);
>>       LOAD_AVS_FUNC(avs_is_planar_rgba, 1);
>> -#endif
>>   #undef LOAD_AVS_FUNC
>>       atexit(avisynth_atexit_handler);
>> @@ -249,7 +242,6 @@ static int 
>> avisynth_create_stream_video(AVFormatContext *s, AVStream *st)
>>       avpriv_set_pts_info(st, 32, avs->vi->fps_denominator, 
>> avs->vi->fps_numerator);
>>       switch (avs->vi->pixel_type) {
>> -#ifdef USING_AVISYNTH
>>       /* 10~16-bit YUV pix_fmts (AviSynth+) */
>>       case AVS_CS_YUV444P10:
>>           st->codecpar->format = AV_PIX_FMT_YUV444P10;
>> @@ -434,8 +426,7 @@ static int 
>> avisynth_create_stream_video(AVFormatContext *s, AVStream *st)
>>       case AVS_CS_BGR64:
>>           st->codecpar->format = AV_PIX_FMT_BGRA64;
>>           break;
>> -#endif
>> -    /* AviSynth 2.5 and AvxSynth pix_fmts */
>> +    /* AviSynth 2.5 pix_fmts */
>>       case AVS_CS_BGR24:
>>           st->codecpar->format = AV_PIX_FMT_BGR24;
>>           break;
>> @@ -461,7 +452,6 @@ static int 
>> avisynth_create_stream_video(AVFormatContext *s, AVStream *st)
>>       }
>>       switch (planar) {
>> -#ifdef USING_AVISYNTH
>>       case 5: // Planar RGB + Alpha
>>           avs->n_planes = 4;
>>           avs->planes   = avs_planes_rgba;
>> @@ -474,7 +464,6 @@ static int 
>> avisynth_create_stream_video(AVFormatContext *s, AVStream *st)
>>           avs->n_planes = 3;
>>           avs->planes   = avs_planes_rgb;
>>           break;
>> -#endif
>>       case 2: // Y8
>>           avs->n_planes = 1;
>>           avs->planes   = avs_planes_grey;
>> @@ -556,7 +545,7 @@ static int avisynth_open_file(AVFormatContext *s)
>>       AviSynthContext *avs = s->priv_data;
>>       AVS_Value arg, val;
>>       int ret;
>> -#ifdef USING_AVISYNTH
>> +#ifdef _WIN32
>>       char filename_ansi[MAX_PATH * 4];
>>       wchar_t filename_wc[MAX_PATH * 4];
>>   #endif
>> @@ -564,7 +553,7 @@ static int avisynth_open_file(AVFormatContext *s)
>>       if (ret = avisynth_context_create(s))
>>           return ret;
>> -#ifdef USING_AVISYNTH
>> +#ifdef _WIN32
>>       /* Convert UTF-8 to ANSI code page */
>>       MultiByteToWideChar(CP_UTF8, 0, s->filename, -1, filename_wc, 
>> MAX_PATH * 4);
>>       WideCharToMultiByte(CP_THREAD_ACP, 0, filename_wc, -1, 
>> filename_ansi,
>> @@ -588,11 +577,9 @@ 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
>>       /* On Windows, FFmpeg supports AviSynth interface version 6 or 
>> higher.
>>        * This includes AviSynth 2.6 RC1 or higher, and AviSynth+ r1718 
>> or higher,
>> -     * and excludes 2.5 and the 2.6 alphas. Since AvxSynth identifies 
>> itself
>> -     * as interface version 3 like 2.5.8, this needs to be 
>> special-cased. */
>> +     * and excludes 2.5 and the 2.6 alphas. */
>>       if (avs_library.avs_get_version(avs->clip) < 6) {
>>           av_log(s, AV_LOG_ERROR,
>> @@ -600,7 +587,6 @@ static int avisynth_open_file(AVFormatContext *s)
>>           ret = AVERROR_UNKNOWN;
>>           goto fail;
>>       }
>> -#endif
>>       /* Release the AVS_Value as it will go out of scope. */
>>       avs_library.avs_release_value(val);
>> @@ -652,23 +638,21 @@ static int 
>> avisynth_read_packet_video(AVFormatContext *s, AVPacket *pkt,
>>       if (discard)
>>           return 0;
>> -#ifdef USING_AVISYNTH
>> +#ifdef _WIN32
>>       /* Detect whether we're using AviSynth 2.6 or AviSynth+ by
>>        * looking for whether avs_is_planar_rgb exists. */
>>       if (GetProcAddress(avs_library.library, "avs_is_planar_rgb") == 
>> NULL)
>>           avsplus = 0;
>>       else
>>           avsplus = 1;
>> -
>> -    /* avs_bits_per_pixel changed to AVSC_API with AviSynth 2.6, which
>> -     * requires going through avs_library, while AvxSynth has it under
>> -     * the older AVSC_INLINE type, so special-case this. */
>> -
>> -    bits = avs_library.avs_bits_per_pixel(avs->vi);
>>   #else
>> -    bits = avs_bits_per_pixel(avs->vi);
>> +    /* AviSynth+ is now the only variant of AviSynth we support
>> +     * on Linux and macOS. */
>> +    avsplus = 1;
>>   #endif
>> +    bits = avs_library.avs_bits_per_pixel(avs->vi);
>> +
>>       /* Without the cast to int64_t, calculation overflows at about 
>> 9k x 9k
>>        * resolution. */
>>       pkt->size = (((int64_t)avs->vi->width *
>> @@ -696,19 +680,11 @@ static int 
>> avisynth_read_packet_video(AVFormatContext *s, AVPacket *pkt,
>>       dst_p = pkt->data;
>>       for (i = 0; i < avs->n_planes; i++) {
>>           plane = avs->planes[i];
>> -#ifdef USING_AVISYNTH
>>           src_p = avs_library.avs_get_read_ptr_p(frame, plane);
>>           pitch = avs_library.avs_get_pitch_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);
>> -
>> -        rowsize     = avs_get_row_size_p(frame, plane);
>> -        planeheight = avs_get_height_p(frame, plane);
>> -#endif
>>           /* Flip RGB video. */
>>           if (avs_is_rgb24(avs->vi) || avs_is_rgb(avs->vi)) {
>> @@ -716,14 +692,12 @@ static int 
>> avisynth_read_packet_video(AVFormatContext *s, AVPacket *pkt,
>>               pitch = -pitch;
>>           }
>> -#ifdef USING_AVISYNTH
>>           /* Flip Planar RGB video */
>>           if (avsplus && (avs_library.avs_is_planar_rgb(avs->vi) ||
>>                           avs_library.avs_is_planar_rgba(avs->vi))) {
>>               src_p = src_p + (planeheight - 1) * pitch;
>>               pitch = -pitch;
>>           }
>> -#endif
>>           avs_library.avs_bit_blt(avs->env, dst_p, rowsize, src_p, pitch,
>>                                    rowsize, planeheight);
>>
> 
> Ping.
> 

Ping #2.

On Patchwork:
https://patchwork.ffmpeg.org/project/ffmpeg/patch/20200312233802.4033-2-qyot27@gmail.com/
diff mbox series

Patch

diff --git a/libavformat/avisynth.c b/libavformat/avisynth.c
index 55a2efd884..43b65badc9 100644
--- a/libavformat/avisynth.c
+++ b/libavformat/avisynth.c
@@ -1,5 +1,5 @@ 
 /*
- * AviSynth/AvxSynth support
+ * AviSynth(+) support
  * Copyright (c) 2012 AvxSynth Team
  *
  * This file is part of FFmpeg
@@ -31,20 +31,19 @@ 
 /* Enable function pointer definitions for runtime loading. */
 #define AVSC_NO_DECLSPEC
 
-/* Platform-specific directives for AviSynth vs AvxSynth. */
+/* Platform-specific directives. */
 #ifdef _WIN32
   #include "compat/w32dlfcn.h"
   #undef EXTERN_C
-  #include "compat/avisynth/avisynth_c.h"
   #define AVISYNTH_LIB "avisynth"
-  #define USING_AVISYNTH
 #else
   #include <dlfcn.h>
-  #include "compat/avisynth/avxsynth_c.h"
-  #define AVISYNTH_NAME "libavxsynth"
+  #define AVISYNTH_NAME "libavisynth"
   #define AVISYNTH_LIB AVISYNTH_NAME SLIBSUF
 #endif
 
+#include <avisynth/avisynth_c.h>
+
 typedef struct AviSynthLibrary {
     void *library;
 #define AVSC_DECLARE_FUNC(name) name ## _func name
@@ -62,7 +61,6 @@  typedef struct AviSynthLibrary {
     AVSC_DECLARE_FUNC(avs_release_value);
     AVSC_DECLARE_FUNC(avs_release_video_frame);
     AVSC_DECLARE_FUNC(avs_take_clip);
-#ifdef USING_AVISYNTH
     AVSC_DECLARE_FUNC(avs_bits_per_pixel);
     AVSC_DECLARE_FUNC(avs_get_height_p);
     AVSC_DECLARE_FUNC(avs_get_pitch_p);
@@ -70,7 +68,6 @@  typedef struct AviSynthLibrary {
     AVSC_DECLARE_FUNC(avs_get_row_size_p);
     AVSC_DECLARE_FUNC(avs_is_planar_rgb);
     AVSC_DECLARE_FUNC(avs_is_planar_rgba);
-#endif
 #undef AVSC_DECLARE_FUNC
 } AviSynthLibrary;
 
@@ -97,14 +94,12 @@  static const int avs_planes_packed[1] = { 0 };
 static const int avs_planes_grey[1]   = { AVS_PLANAR_Y };
 static const int avs_planes_yuv[3]    = { AVS_PLANAR_Y, AVS_PLANAR_U,
                                           AVS_PLANAR_V };
-#ifdef USING_AVISYNTH
 static const int avs_planes_rgb[3]    = { AVS_PLANAR_G, AVS_PLANAR_B,
                                           AVS_PLANAR_R };
 static const int avs_planes_yuva[4]   = { AVS_PLANAR_Y, AVS_PLANAR_U,
                                           AVS_PLANAR_V, AVS_PLANAR_A };
 static const int avs_planes_rgba[4]   = { AVS_PLANAR_G, AVS_PLANAR_B,
                                           AVS_PLANAR_R, AVS_PLANAR_A };
-#endif
 
 /* A conflict between C++ global objects, atexit, and dynamic loading requires
  * us to register our own atexit handler to prevent double freeing. */
@@ -142,7 +137,6 @@  static av_cold int avisynth_load_library(void)
     LOAD_AVS_FUNC(avs_release_value, 0);
     LOAD_AVS_FUNC(avs_release_video_frame, 0);
     LOAD_AVS_FUNC(avs_take_clip, 0);
-#ifdef USING_AVISYNTH
     LOAD_AVS_FUNC(avs_bits_per_pixel, 1);
     LOAD_AVS_FUNC(avs_get_height_p, 1);
     LOAD_AVS_FUNC(avs_get_pitch_p, 1);
@@ -150,7 +144,6 @@  static av_cold int avisynth_load_library(void)
     LOAD_AVS_FUNC(avs_get_row_size_p, 1);
     LOAD_AVS_FUNC(avs_is_planar_rgb, 1);
     LOAD_AVS_FUNC(avs_is_planar_rgba, 1);
-#endif
 #undef LOAD_AVS_FUNC
 
     atexit(avisynth_atexit_handler);
@@ -249,7 +242,6 @@  static int avisynth_create_stream_video(AVFormatContext *s, AVStream *st)
     avpriv_set_pts_info(st, 32, avs->vi->fps_denominator, avs->vi->fps_numerator);
 
     switch (avs->vi->pixel_type) {
-#ifdef USING_AVISYNTH
     /* 10~16-bit YUV pix_fmts (AviSynth+) */
     case AVS_CS_YUV444P10:
         st->codecpar->format = AV_PIX_FMT_YUV444P10;
@@ -434,8 +426,7 @@  static int avisynth_create_stream_video(AVFormatContext *s, AVStream *st)
     case AVS_CS_BGR64:
         st->codecpar->format = AV_PIX_FMT_BGRA64;
         break;
-#endif
-    /* AviSynth 2.5 and AvxSynth pix_fmts */
+    /* AviSynth 2.5 pix_fmts */
     case AVS_CS_BGR24:
         st->codecpar->format = AV_PIX_FMT_BGR24;
         break;
@@ -461,7 +452,6 @@  static int avisynth_create_stream_video(AVFormatContext *s, AVStream *st)
     }
 
     switch (planar) {
-#ifdef USING_AVISYNTH
     case 5: // Planar RGB + Alpha
         avs->n_planes = 4;
         avs->planes   = avs_planes_rgba;
@@ -474,7 +464,6 @@  static int avisynth_create_stream_video(AVFormatContext *s, AVStream *st)
         avs->n_planes = 3;
         avs->planes   = avs_planes_rgb;
         break;
-#endif
     case 2: // Y8
         avs->n_planes = 1;
         avs->planes   = avs_planes_grey;
@@ -556,7 +545,7 @@  static int avisynth_open_file(AVFormatContext *s)
     AviSynthContext *avs = s->priv_data;
     AVS_Value arg, val;
     int ret;
-#ifdef USING_AVISYNTH
+#ifdef _WIN32
     char filename_ansi[MAX_PATH * 4];
     wchar_t filename_wc[MAX_PATH * 4];
 #endif
@@ -564,7 +553,7 @@  static int avisynth_open_file(AVFormatContext *s)
     if (ret = avisynth_context_create(s))
         return ret;
 
-#ifdef USING_AVISYNTH
+#ifdef _WIN32
     /* Convert UTF-8 to ANSI code page */
     MultiByteToWideChar(CP_UTF8, 0, s->filename, -1, filename_wc, MAX_PATH * 4);
     WideCharToMultiByte(CP_THREAD_ACP, 0, filename_wc, -1, filename_ansi,
@@ -588,11 +577,9 @@  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
     /* On Windows, FFmpeg supports AviSynth interface version 6 or higher.
      * This includes AviSynth 2.6 RC1 or higher, and AviSynth+ r1718 or higher,
-     * and excludes 2.5 and the 2.6 alphas. Since AvxSynth identifies itself
-     * as interface version 3 like 2.5.8, this needs to be special-cased. */
+     * and excludes 2.5 and the 2.6 alphas. */
 
     if (avs_library.avs_get_version(avs->clip) < 6) {
         av_log(s, AV_LOG_ERROR,
@@ -600,7 +587,6 @@  static int avisynth_open_file(AVFormatContext *s)
         ret = AVERROR_UNKNOWN;
         goto fail;
     }
-#endif
 
     /* Release the AVS_Value as it will go out of scope. */
     avs_library.avs_release_value(val);
@@ -652,23 +638,21 @@  static int avisynth_read_packet_video(AVFormatContext *s, AVPacket *pkt,
     if (discard)
         return 0;
 
-#ifdef USING_AVISYNTH
+#ifdef _WIN32
     /* Detect whether we're using AviSynth 2.6 or AviSynth+ by
      * looking for whether avs_is_planar_rgb exists. */
     if (GetProcAddress(avs_library.library, "avs_is_planar_rgb") == NULL)
         avsplus = 0;
     else
         avsplus = 1;
-
-    /* avs_bits_per_pixel changed to AVSC_API with AviSynth 2.6, which
-     * requires going through avs_library, while AvxSynth has it under
-     * the older AVSC_INLINE type, so special-case this. */
-
-    bits = avs_library.avs_bits_per_pixel(avs->vi);
 #else
-    bits = avs_bits_per_pixel(avs->vi);
+    /* AviSynth+ is now the only variant of AviSynth we support
+     * on Linux and macOS. */
+    avsplus = 1;
 #endif
 
+    bits = avs_library.avs_bits_per_pixel(avs->vi);
+
     /* Without the cast to int64_t, calculation overflows at about 9k x 9k
      * resolution. */
     pkt->size = (((int64_t)avs->vi->width *
@@ -696,19 +680,11 @@  static int avisynth_read_packet_video(AVFormatContext *s, AVPacket *pkt,
     dst_p = pkt->data;
     for (i = 0; i < avs->n_planes; i++) {
         plane = avs->planes[i];
-#ifdef USING_AVISYNTH
         src_p = avs_library.avs_get_read_ptr_p(frame, plane);
         pitch = avs_library.avs_get_pitch_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);
-
-        rowsize     = avs_get_row_size_p(frame, plane);
-        planeheight = avs_get_height_p(frame, plane);
-#endif
 
         /* Flip RGB video. */
         if (avs_is_rgb24(avs->vi) || avs_is_rgb(avs->vi)) {
@@ -716,14 +692,12 @@  static int avisynth_read_packet_video(AVFormatContext *s, AVPacket *pkt,
             pitch = -pitch;
         }
 
-#ifdef USING_AVISYNTH
         /* Flip Planar RGB video */
         if (avsplus && (avs_library.avs_is_planar_rgb(avs->vi) ||
                         avs_library.avs_is_planar_rgba(avs->vi))) {
             src_p = src_p + (planeheight - 1) * pitch;
             pitch = -pitch;
         }
-#endif
 
         avs_library.avs_bit_blt(avs->env, dst_p, rowsize, src_p, pitch,
                                  rowsize, planeheight);