[FFmpeg-devel] [PATCH] avfilter/vf_libvmaf: update filter for libvmaf v2.0.0

[Andreas Rheinhardt]

Kyle Swanson:
> Hi,
> 
> On Sat, Dec 25, 2021 at 1:24 AM Paul B Mahol <onemda at gmail.com> wrote:
>>
>> On Fri, Dec 24, 2021 at 9:52 PM Kyle Swanson <k at ylo.ph> wrote:
>>
>>> Hi,
>>>
>>> Never followed through on this vf_libvmaf patch from last June, and
>>> I've had several people asking about its status lately. Rebased patch
>>> attached. It's been a while, so I guess let's start the review again.
>>> Would be nice if we could get this in before 5.0.
>>>
>>>
>> Please read old reviews and follow them.
>> There is no exceptions.
> 
> Thank you, I've taken all of Mortiz's comments. Updated patch attached.
> 
> Thanks,
> Kyle
> 

> 
>  static const AVOption libvmaf_options[] = {
> -    {"model_path",  "Set the model to be used for computing vmaf.",                     OFFSET(model_path), AV_OPT_TYPE_STRING, {.str="/usr/local/share/model/vmaf_v0.6.1.pkl"}, 0, 1, FLAGS},
> -    {"log_path",  "Set the file path to be used to store logs.",                        OFFSET(log_path), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 1, FLAGS},
> -    {"log_fmt",  "Set the format of the log (csv, json or xml).",                       OFFSET(log_fmt), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 1, FLAGS},
> -    {"enable_transform",  "Enables transform for computing vmaf.",                      OFFSET(enable_transform), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS},
> -    {"phone_model",  "Invokes the phone model that will generate higher VMAF scores.",  OFFSET(phone_model), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS},
> -    {"psnr",  "Enables computing psnr along with vmaf.",                                OFFSET(psnr), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS},
> -    {"ssim",  "Enables computing ssim along with vmaf.",                                OFFSET(ssim), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS},
> -    {"ms_ssim",  "Enables computing ms-ssim along with vmaf.",                          OFFSET(ms_ssim), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS},
> -    {"pool",  "Set the pool method to be used for computing vmaf.",                     OFFSET(pool), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 1, FLAGS},
> +    {"model", "Set the model to be used for computing vmaf.",                           OFFSET(model_cfg), AV_OPT_TYPE_STRING, {.str="version=vmaf_v0.6.1"}, 0, 1, FLAGS},
> +    {"feature", "Set the feature to be used for computing vmaf.",                       OFFSET(feature_cfg), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 1, FLAGS},
> +    {"log_path",  "Set the file path to be used to write log.",                         OFFSET(log_path), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 1, FLAGS},
> +    {"log_fmt",  "Set the format of the log (csv, json, xml, or sub).",                 OFFSET(log_fmt), AV_OPT_TYPE_STRING, {.str="xml"}, 0, 1, FLAGS},
>      {"n_threads", "Set number of threads to be used when computing vmaf.",              OFFSET(n_threads), AV_OPT_TYPE_INT, {.i64=0}, 0, UINT_MAX, FLAGS},
>      {"n_subsample", "Set interval for frame subsampling used when computing vmaf.",     OFFSET(n_subsample), AV_OPT_TYPE_INT, {.i64=1}, 1, UINT_MAX, FLAGS},
> -    {"enable_conf_interval",  "Enables confidence interval.",                           OFFSET(enable_conf_interval), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS},
>      { NULL }
>  };

You are removing lots of options; removing options is only permissible
during a major break and even then the options need to have been
deprecated before that.

- Andreas