[FFmpeg-devel] [PATCH v4] avfilter/buffersrc: deprecate sws_param option

Zhao Zhili quinkblack at foxmail.com
Wed Dec 11 17:33:16 EET 2019


Ping for review, thanks!

> On Dec 4, 2019, at 6:57 PM, quinkblack at foxmail.com wrote:
> 
> From: Zhao Zhili <zhilizhao at tencent.com>
> 
> ---
> patch v4: update doc
> 
> doc/filters.texi        |  8 ++++----
> libavfilter/buffersrc.c | 14 ++++++++++++--
> libavfilter/version.h   |  5 ++++-
> 3 files changed, 20 insertions(+), 7 deletions(-)
> 
> diff --git a/doc/filters.texi b/doc/filters.texi
> index 5fdec6f015..d15cf74c84 100644
> --- a/doc/filters.texi
> +++ b/doc/filters.texi
> @@ -21014,9 +21014,9 @@ Specify the frame rate expected for the video stream.
> The sample (pixel) aspect ratio of the input video.
> 
> @item sws_param
> -Specify the optional parameters to be used for the scale filter which
> -is automatically inserted when an input change is detected in the
> -input size or format.
> +This option is deprecated and ignored. Prepend @code{sws_flags=@var{flags};}
> +to the filtergraph description to specify swscale flags for automatically
> +inserted scalers. See @ref{Filtergraph syntax}.
> 
> @item hw_frames_ctx
> When using a hardware pixel format, this should be a reference to an
> @@ -21041,7 +21041,7 @@ buffer=size=320x240:pixfmt=6:time_base=1/24:pixel_aspect=1/1
> Alternatively, the options can be specified as a flat string, but this
> syntax is deprecated:
> 
> - at var{width}:@var{height}:@var{pix_fmt}:@var{time_base.num}:@var{time_base.den}:@var{pixel_aspect.num}:@var{pixel_aspect.den}[:@var{sws_param}]
> + at var{width}:@var{height}:@var{pix_fmt}:@var{time_base.num}:@var{time_base.den}:@var{pixel_aspect.num}:@var{pixel_aspect.den}
> 
> @section cellauto
> 
> diff --git a/libavfilter/buffersrc.c b/libavfilter/buffersrc.c
> index bae7d86695..73a7eb82ca 100644
> --- a/libavfilter/buffersrc.c
> +++ b/libavfilter/buffersrc.c
> @@ -52,7 +52,9 @@ typedef struct BufferSourceContext {
>     int               w, h;
>     enum AVPixelFormat  pix_fmt;
>     AVRational        pixel_aspect;
> +#if FF_API_SWS_PARAM_OPTION
>     char              *sws_param;
> +#endif
> 
>     AVBufferRef *hw_frames_ctx;
> 
> @@ -287,10 +289,16 @@ static av_cold int init_video(AVFilterContext *ctx)
>     if (!(c->fifo = av_fifo_alloc(sizeof(AVFrame*))))
>         return AVERROR(ENOMEM);
> 
> -    av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d pixfmt:%s tb:%d/%d fr:%d/%d sar:%d/%d sws_param:%s\n",
> +    av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d pixfmt:%s tb:%d/%d fr:%d/%d sar:%d/%d\n",
>            c->w, c->h, av_get_pix_fmt_name(c->pix_fmt),
>            c->time_base.num, c->time_base.den, c->frame_rate.num, c->frame_rate.den,
> -           c->pixel_aspect.num, c->pixel_aspect.den, (char *)av_x_if_null(c->sws_param, ""));
> +           c->pixel_aspect.num, c->pixel_aspect.den);
> +
> +#if FF_API_SWS_PARAM_OPTION
> +    if (c->sws_param)
> +        av_log(ctx, AV_LOG_WARNING, "sws_param option is deprecated and ignored\n");
> +#endif
> +
>     return 0;
> }
> 
> @@ -312,7 +320,9 @@ static const AVOption buffer_options[] = {
>     { "pixel_aspect",  "sample aspect ratio",    OFFSET(pixel_aspect),     AV_OPT_TYPE_RATIONAL, { .dbl = 0 }, 0, DBL_MAX, V },
>     { "time_base",     NULL,                     OFFSET(time_base),        AV_OPT_TYPE_RATIONAL, { .dbl = 0 }, 0, DBL_MAX, V },
>     { "frame_rate",    NULL,                     OFFSET(frame_rate),       AV_OPT_TYPE_RATIONAL, { .dbl = 0 }, 0, DBL_MAX, V },
> +#if FF_API_SWS_PARAM_OPTION
>     { "sws_param",     NULL,                     OFFSET(sws_param),        AV_OPT_TYPE_STRING,                    .flags = V },
> +#endif
>     { NULL },
> };
> 
> diff --git a/libavfilter/version.h b/libavfilter/version.h
> index 7e8d849e0c..bf57d64d1f 100644
> --- a/libavfilter/version.h
> +++ b/libavfilter/version.h
> @@ -31,7 +31,7 @@
> 
> #define LIBAVFILTER_VERSION_MAJOR   7
> #define LIBAVFILTER_VERSION_MINOR  67
> -#define LIBAVFILTER_VERSION_MICRO 100
> +#define LIBAVFILTER_VERSION_MICRO 101
> 
> 
> #define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
> @@ -59,6 +59,9 @@
> #ifndef FF_API_FILTER_GET_SET
> #define FF_API_FILTER_GET_SET               (LIBAVFILTER_VERSION_MAJOR < 8)
> #endif
> +#ifndef FF_API_SWS_PARAM_OPTION
> +#define FF_API_SWS_PARAM_OPTION             (LIBAVFILTER_VERSION_MAJOR < 8)
> +#endif
> #ifndef FF_API_NEXT
> #define FF_API_NEXT                         (LIBAVFILTER_VERSION_MAJOR < 8)
> #endif
> -- 
> 2.22.0
> 
> From: Zhao Zhili <zhilizhao at tencent.com>
> 
> ---
> patch v4: update doc
> 
> doc/filters.texi        |  8 ++++----
> libavfilter/buffersrc.c | 14 ++++++++++++--
> libavfilter/version.h   |  5 ++++-
> 3 files changed, 20 insertions(+), 7 deletions(-)
> 
> diff --git a/doc/filters.texi b/doc/filters.texi
> index 5fdec6f015..d15cf74c84 100644
> --- a/doc/filters.texi
> +++ b/doc/filters.texi
> @@ -21014,9 +21014,9 @@ Specify the frame rate expected for the video stream.
> The sample (pixel) aspect ratio of the input video.
> 
> @item sws_param
> -Specify the optional parameters to be used for the scale filter which
> -is automatically inserted when an input change is detected in the
> -input size or format.
> +This option is deprecated and ignored. Prepend @code{sws_flags=@var{flags};}
> +to the filtergraph description to specify swscale flags for automatically
> +inserted scalers. See @ref{Filtergraph syntax}.
> 
> @item hw_frames_ctx
> When using a hardware pixel format, this should be a reference to an
> @@ -21041,7 +21041,7 @@ buffer=size=320x240:pixfmt=6:time_base=1/24:pixel_aspect=1/1
> Alternatively, the options can be specified as a flat string, but this
> syntax is deprecated:
> 
> - at var{width}:@var{height}:@var{pix_fmt}:@var{time_base.num}:@var{time_base.den}:@var{pixel_aspect.num}:@var{pixel_aspect.den}[:@var{sws_param}]
> + at var{width}:@var{height}:@var{pix_fmt}:@var{time_base.num}:@var{time_base.den}:@var{pixel_aspect.num}:@var{pixel_aspect.den}
> 
> @section cellauto
> 
> diff --git a/libavfilter/buffersrc.c b/libavfilter/buffersrc.c
> index bae7d86695..73a7eb82ca 100644
> --- a/libavfilter/buffersrc.c
> +++ b/libavfilter/buffersrc.c
> @@ -52,7 +52,9 @@ typedef struct BufferSourceContext {
>     int               w, h;
>     enum AVPixelFormat  pix_fmt;
>     AVRational        pixel_aspect;
> +#if FF_API_SWS_PARAM_OPTION
>     char              *sws_param;
> +#endif
> 
>     AVBufferRef *hw_frames_ctx;
> 
> @@ -287,10 +289,16 @@ static av_cold int init_video(AVFilterContext *ctx)
>     if (!(c->fifo = av_fifo_alloc(sizeof(AVFrame*))))
>         return AVERROR(ENOMEM);
> 
> -    av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d pixfmt:%s tb:%d/%d fr:%d/%d sar:%d/%d sws_param:%s\n",
> +    av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d pixfmt:%s tb:%d/%d fr:%d/%d sar:%d/%d\n",
>            c->w, c->h, av_get_pix_fmt_name(c->pix_fmt),
>            c->time_base.num, c->time_base.den, c->frame_rate.num, c->frame_rate.den,
> -           c->pixel_aspect.num, c->pixel_aspect.den, (char *)av_x_if_null(c->sws_param, ""));
> +           c->pixel_aspect.num, c->pixel_aspect.den);
> +
> +#if FF_API_SWS_PARAM_OPTION
> +    if (c->sws_param)
> +        av_log(ctx, AV_LOG_WARNING, "sws_param option is deprecated and ignored\n");
> +#endif
> +
>     return 0;
> }
> 
> @@ -312,7 +320,9 @@ static const AVOption buffer_options[] = {
>     { "pixel_aspect",  "sample aspect ratio",    OFFSET(pixel_aspect),     AV_OPT_TYPE_RATIONAL, { .dbl = 0 }, 0, DBL_MAX, V },
>     { "time_base",     NULL,                     OFFSET(time_base),        AV_OPT_TYPE_RATIONAL, { .dbl = 0 }, 0, DBL_MAX, V },
>     { "frame_rate",    NULL,                     OFFSET(frame_rate),       AV_OPT_TYPE_RATIONAL, { .dbl = 0 }, 0, DBL_MAX, V },
> +#if FF_API_SWS_PARAM_OPTION
>     { "sws_param",     NULL,                     OFFSET(sws_param),        AV_OPT_TYPE_STRING,                    .flags = V },
> +#endif
>     { NULL },
> };
> 
> diff --git a/libavfilter/version.h b/libavfilter/version.h
> index 7e8d849e0c..bf57d64d1f 100644
> --- a/libavfilter/version.h
> +++ b/libavfilter/version.h
> @@ -31,7 +31,7 @@
> 
> #define LIBAVFILTER_VERSION_MAJOR   7
> #define LIBAVFILTER_VERSION_MINOR  67
> -#define LIBAVFILTER_VERSION_MICRO 100
> +#define LIBAVFILTER_VERSION_MICRO 101
> 
> 
> #define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
> @@ -59,6 +59,9 @@
> #ifndef FF_API_FILTER_GET_SET
> #define FF_API_FILTER_GET_SET               (LIBAVFILTER_VERSION_MAJOR < 8)
> #endif
> +#ifndef FF_API_SWS_PARAM_OPTION
> +#define FF_API_SWS_PARAM_OPTION             (LIBAVFILTER_VERSION_MAJOR < 8)
> +#endif
> #ifndef FF_API_NEXT
> #define FF_API_NEXT                         (LIBAVFILTER_VERSION_MAJOR < 8)
> #endif
> -- 
> 2.22.0
> 



More information about the ffmpeg-devel mailing list