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| author | Paul B Mahol <onemda@gmail.com> | 2021-01-30 23:39:55 +0100 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2021-01-30 23:53:38 +0100 |
| commit | 54de7dc372dc77cae0cb9b45987d365e5446399d (patch) | |
| tree | b0991a3472331b8ad42991f938a8d927dd2d649c /libavfilter | |
| parent | 633e344d962fe569e809c9136efe751b9df5575c (diff) | |
| download | ffmpeg-54de7dc372dc77cae0cb9b45987d365e5446399d.tar.gz | |
avfilter/af_acrusher: add commands support
Diffstat (limited to 'libavfilter')
| -rw-r--r-- | libavfilter/af_acrusher.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/libavfilter/af_acrusher.c b/libavfilter/af_acrusher.c index ddce74465d..d3c31c20bd 100644 --- a/libavfilter/af_acrusher.c +++ b/libavfilter/af_acrusher.c @@ -68,7 +68,7 @@ typedef struct ACrusherContext { } ACrusherContext; #define OFFSET(x) offsetof(ACrusherContext, x) -#define A AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM +#define A AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM static const AVOption acrusher_options[] = { { "level_in", "set level in", OFFSET(level_in), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0.015625, 64, A }, @@ -325,13 +325,27 @@ static int config_input(AVFilterLink *inlink) s->lfo.srate = inlink->sample_rate; s->lfo.amount = .5; - s->sr = av_calloc(inlink->channels, sizeof(*s->sr)); + if (!s->sr) + s->sr = av_calloc(inlink->channels, sizeof(*s->sr)); if (!s->sr) return AVERROR(ENOMEM); return 0; } +static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, + char *res, int res_len, int flags) +{ + AVFilterLink *inlink = ctx->inputs[0]; + int ret; + + ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags); + if (ret < 0) + return ret; + + return config_input(inlink); +} + static const AVFilterPad avfilter_af_acrusher_inputs[] = { { .name = "default", @@ -359,4 +373,5 @@ AVFilter ff_af_acrusher = { .query_formats = query_formats, .inputs = avfilter_af_acrusher_inputs, .outputs = avfilter_af_acrusher_outputs, + .process_command = process_command, }; |