[FFmpeg-devel] [PATCH 04/14] avfilter/af_anlms: switch to ff_filter_process_command()
Limin Wang
lance.lmwang at gmail.com
Thu Oct 10 15:17:35 EEST 2019
On Thu, Oct 10, 2019 at 01:38:41PM +0200, Paul B Mahol wrote:
> Signed-off-by: Paul B Mahol <onemda at 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?
> };
> --
> 2.17.1
>
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