On 10/10/19, Limin Wang <lance.lmw...@gmail.com> wrote:
> On Thu, Oct 10, 2019 at 03:10:28PM +0200, Paul B Mahol wrote:
>> On 10/10/19, Limin Wang <lance.lmw...@gmail.com> wrote:
>> > On Thu, Oct 10, 2019 at 01:38:41PM +0200, Paul B Mahol wrote:
>> >> Signed-off-by: Paul B Mahol <one...@gmail.com>
>> >> ---
>> >> libavfilter/af_anlms.c | 35 ++++++++++-------------------------
>> >> 1 file changed, 10 insertions(+), 25 deletions(-)
>> >>
>> >> diff --git a/libavfilter/af_anlms.c b/libavfilter/af_anlms.c
>> >> index 350bedaf7a..55e6946b68 100644
>> >> --- a/libavfilter/af_anlms.c
>> >> +++ b/libavfilter/af_anlms.c
>> >> @@ -60,17 +60,18 @@ typedef struct AudioNLMSContext {
>> >>
>> >> #define OFFSET(x) offsetof(AudioNLMSContext, x)
>> >> #define A AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
>> >> +#define AT
>> >> AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
>> >>
>> >> static const AVOption anlms_options[] = {
>> >> { "order", "set the filter order", OFFSET(order),
>> >> AV_OPT_TYPE_INT, {.i64=256}, 1, INT16_MAX, A },
>> >> - { "mu", "set the filter mu", OFFSET(mu),
>> >> AV_OPT_TYPE_FLOAT, {.dbl=0.75}, 0, 2, A },
>> >> - { "eps", "set the filter eps", OFFSET(eps),
>> >> AV_OPT_TYPE_FLOAT, {.dbl=1}, 0, 1, A },
>> >> - { "leakage", "set the filter leakage", OFFSET(leakage),
>> >> AV_OPT_TYPE_FLOAT, {.dbl=0}, 0, 1, A },
>> >> - { "out_mode", "set output mode", OFFSET(output_mode),
>> >> AV_OPT_TYPE_INT, {.i64=OUT_MODE}, 0, NB_OMODES-1, A, "mode" },
>> >> - { "i", "input", 0, AV_OPT_TYPE_CONST,
>> >> {.i64=IN_MODE}, 0, 0, A, "mode" },
>> >> - { "d", "desired", 0, AV_OPT_TYPE_CONST,
>> >> {.i64=DESIRED_MODE}, 0, 0, A, "mode" },
>> >> - { "o", "output", 0, AV_OPT_TYPE_CONST,
>> >> {.i64=OUT_MODE}, 0, 0, A, "mode" },
>> >> - { "n", "noise", 0, AV_OPT_TYPE_CONST,
>> >> {.i64=NOISE_MODE}, 0, 0, A, "mode" },
>> >> + { "mu", "set the filter mu", OFFSET(mu),
>> >> AV_OPT_TYPE_FLOAT, {.dbl=0.75}, 0, 2, AT },
>> >> + { "eps", "set the filter eps", OFFSET(eps),
>> >> AV_OPT_TYPE_FLOAT, {.dbl=1}, 0, 1, AT },
>> >> + { "leakage", "set the filter leakage", OFFSET(leakage),
>> >> AV_OPT_TYPE_FLOAT, {.dbl=0}, 0, 1, AT },
>> >> + { "out_mode", "set output mode", OFFSET(output_mode),
>> >> AV_OPT_TYPE_INT, {.i64=OUT_MODE}, 0, NB_OMODES-1, AT, "mode" },
>> >> + { "i", "input", 0, AV_OPT_TYPE_CONST,
>> >> {.i64=IN_MODE}, 0, 0, AT, "mode" },
>> >> + { "d", "desired", 0, AV_OPT_TYPE_CONST,
>> >> {.i64=DESIRED_MODE}, 0, 0, AT, "mode" },
>> >> + { "o", "output", 0, AV_OPT_TYPE_CONST,
>> >> {.i64=OUT_MODE}, 0, 0, AT, "mode" },
>> >> + { "n", "noise", 0, AV_OPT_TYPE_CONST,
>> >> {.i64=NOISE_MODE}, 0, 0, AT, "mode" },
>> >> { NULL }
>> >> };
>> >>
>> >> @@ -281,22 +282,6 @@ static av_cold int init(AVFilterContext *ctx)
>> >> return 0;
>> >> }
>> >>
>> >> -static int process_command(AVFilterContext *ctx, const char *cmd,
>> >> const
>> >> char *args,
>> >> - char *res, int res_len, int flags)
>> >> -{
>> >> - AudioNLMSContext *s = ctx->priv;
>> >> - int ret;
>> >> -
>> >> - if ( !strcmp(cmd, "mu") || !strcmp(cmd, "eps")
>> >> - || !strcmp(cmd, "leakage") || !strcmp(cmd, "out_mode")) {
>> >> - ret = av_opt_set(s, cmd, args, 0);
>> >> - } else {
>> >> - ret = AVERROR(ENOSYS);
>> >> - }
>> >> -
>> >> - return ret;
>> >> -}
>> >> -
>> >> static av_cold void uninit(AVFilterContext *ctx)
>> >> {
>> >> AudioNLMSContext *s = ctx->priv;
>> >> @@ -341,5 +326,5 @@ AVFilter ff_af_anlms = {
>> >> .inputs = inputs,
>> >> .outputs = outputs,
>> >> .flags = AVFILTER_FLAG_SLICE_THREADS,
>> >> - .process_command = process_command,
>> >> + .process_command = ff_filter_process_command,
>> > Can we delete the line directly, if default is
>> > ff_filter_process_command,
>> > then we don't need to assign .process_command and make it default if the
>> > runtime flags is set?
>>
>> No, because this is used to show which filters support commands.
>> With your approach that would be lost, or some other thing would need
>> to mark it.
>
> Can we add a new flags like AVFILTER_FLAG_SLICE_THREADS?
What for? I prefer it this way.
>
>>
>> >
>> >> };
>> >> --
>> >> 2.17.1
>> >>
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