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avfilter/af_biquads: use ff_filter_process_command()
This commit is contained in:
Paul B Mahol
parent
dcfe32920c
commit
015cbca444
@ -503,127 +503,12 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
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static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
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char *res, int res_len, int flags)
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{
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BiquadsContext *s = ctx->priv;
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AVFilterLink *outlink = ctx->outputs[0];
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int ret;
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if ((!strcmp(cmd, "frequency") || !strcmp(cmd, "f")) &&
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(s->filter_type == equalizer ||
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s->filter_type == lowshelf ||
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s->filter_type == highshelf ||
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s->filter_type == bass ||
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s->filter_type == treble ||
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s->filter_type == bandpass ||
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s->filter_type == bandreject||
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s->filter_type == lowpass ||
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s->filter_type == highpass ||
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s->filter_type == allpass)) {
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double freq;
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if (sscanf(args, "%lf", &freq) != 1) {
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av_log(ctx, AV_LOG_ERROR, "Invalid frequency value.\n");
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return AVERROR(EINVAL);
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}
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s->frequency = freq;
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} else if ((!strcmp(cmd, "gain") || !strcmp(cmd, "g")) &&
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(s->filter_type == equalizer ||
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s->filter_type == lowshelf ||
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s->filter_type == highshelf ||
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s->filter_type == bass ||
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s->filter_type == treble)) {
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double gain;
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if (sscanf(args, "%lf", &gain) != 1) {
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av_log(ctx, AV_LOG_ERROR, "Invalid gain value.\n");
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return AVERROR(EINVAL);
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}
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s->gain = av_clipd(gain, -900, 900);
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} else if (!strcmp(cmd, "mix") || !strcmp(cmd, "m")) {
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double mix;
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if (sscanf(args, "%lf", &mix) != 1) {
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av_log(ctx, AV_LOG_ERROR, "Invalid mix value.\n");
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return AVERROR(EINVAL);
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}
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s->mix = av_clipd(mix, 0, 1);
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} else if ((!strcmp(cmd, "width") || !strcmp(cmd, "w")) &&
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(s->filter_type == equalizer ||
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s->filter_type == lowshelf ||
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s->filter_type == highshelf ||
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s->filter_type == bass ||
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s->filter_type == treble ||
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s->filter_type == bandpass ||
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s->filter_type == bandreject||
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s->filter_type == lowpass ||
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s->filter_type == highpass ||
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s->filter_type == allpass)) {
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double width;
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if (sscanf(args, "%lf", &width) != 1) {
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av_log(ctx, AV_LOG_ERROR, "Invalid width value.\n");
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return AVERROR(EINVAL);
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}
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s->width = width;
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} else if ((!strcmp(cmd, "width_type") || !strcmp(cmd, "t")) &&
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(s->filter_type == equalizer ||
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s->filter_type == lowshelf ||
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s->filter_type == highshelf ||
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s->filter_type == bass ||
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s->filter_type == treble ||
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s->filter_type == bandpass ||
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s->filter_type == bandreject||
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s->filter_type == lowpass ||
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s->filter_type == highpass ||
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s->filter_type == allpass)) {
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char width_type;
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if (sscanf(args, "%c", &width_type) != 1) {
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av_log(ctx, AV_LOG_ERROR, "Invalid width_type value.\n");
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return AVERROR(EINVAL);
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}
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switch (width_type) {
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case 'h': width_type = HERTZ; break;
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case 'q': width_type = QFACTOR; break;
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case 'o': width_type = OCTAVE; break;
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case 's': width_type = SLOPE; break;
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case 'k': width_type = KHERTZ; break;
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default:
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av_log(ctx, AV_LOG_ERROR, "Invalid width_type value: %c\n", width_type);
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return AVERROR(EINVAL);
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}
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s->width_type = width_type;
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} else if ((!strcmp(cmd, "a0") ||
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!strcmp(cmd, "a1") ||
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!strcmp(cmd, "a2") ||
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!strcmp(cmd, "b0") ||
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!strcmp(cmd, "b1") ||
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!strcmp(cmd, "b2")) &&
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s->filter_type == biquad) {
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double value;
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if (sscanf(args, "%lf", &value) != 1) {
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av_log(ctx, AV_LOG_ERROR, "Invalid biquad value.\n");
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return AVERROR(EINVAL);
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}
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if (!strcmp(cmd, "a0"))
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s->a0 = value;
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else if (!strcmp(cmd, "a1"))
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s->a1 = value;
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else if (!strcmp(cmd, "a2"))
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s->a2 = value;
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else if (!strcmp(cmd, "b0"))
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s->b0 = value;
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else if (!strcmp(cmd, "b1"))
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s->b1 = value;
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else if (!strcmp(cmd, "b2"))
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s->b2 = value;
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}
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ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
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if (ret < 0)
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return ret;
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return config_filter(outlink, 0);
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}
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@ -654,7 +539,8 @@ static const AVFilterPad outputs[] = {
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};
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#define OFFSET(x) offsetof(BiquadsContext, x)
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#define FLAGS AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
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#define FLAGS AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
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#define AF AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
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#define DEFINE_BIQUAD_FILTER(name_, description_) \
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AVFILTER_DEFINE_CLASS(name_); \
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@ -810,8 +696,8 @@ static const AVOption lowpass_options[] = {
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{"k", "kHz", 0, AV_OPT_TYPE_CONST, {.i64=KHERTZ}, 0, 0, FLAGS, "width_type"},
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{"width", "set width", OFFSET(width), AV_OPT_TYPE_DOUBLE, {.dbl=0.707}, 0, 99999, FLAGS},
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{"w", "set width", OFFSET(width), AV_OPT_TYPE_DOUBLE, {.dbl=0.707}, 0, 99999, FLAGS},
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{"poles", "set number of poles", OFFSET(poles), AV_OPT_TYPE_INT, {.i64=2}, 1, 2, FLAGS},
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{"p", "set number of poles", OFFSET(poles), AV_OPT_TYPE_INT, {.i64=2}, 1, 2, FLAGS},
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{"poles", "set number of poles", OFFSET(poles), AV_OPT_TYPE_INT, {.i64=2}, 1, 2, AF},
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{"p", "set number of poles", OFFSET(poles), AV_OPT_TYPE_INT, {.i64=2}, 1, 2, AF},
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{"mix", "set mix", OFFSET(mix), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0, 1, FLAGS},
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{"m", "set mix", OFFSET(mix), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0, 1, FLAGS},
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{"channels", "set channels to filter", OFFSET(channels), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=-1}, INT64_MIN, INT64_MAX, FLAGS},
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@ -834,8 +720,8 @@ static const AVOption highpass_options[] = {
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{"k", "kHz", 0, AV_OPT_TYPE_CONST, {.i64=KHERTZ}, 0, 0, FLAGS, "width_type"},
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{"width", "set width", OFFSET(width), AV_OPT_TYPE_DOUBLE, {.dbl=0.707}, 0, 99999, FLAGS},
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{"w", "set width", OFFSET(width), AV_OPT_TYPE_DOUBLE, {.dbl=0.707}, 0, 99999, FLAGS},
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{"poles", "set number of poles", OFFSET(poles), AV_OPT_TYPE_INT, {.i64=2}, 1, 2, FLAGS},
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{"p", "set number of poles", OFFSET(poles), AV_OPT_TYPE_INT, {.i64=2}, 1, 2, FLAGS},
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{"poles", "set number of poles", OFFSET(poles), AV_OPT_TYPE_INT, {.i64=2}, 1, 2, AF},
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{"p", "set number of poles", OFFSET(poles), AV_OPT_TYPE_INT, {.i64=2}, 1, 2, AF},
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{"mix", "set mix", OFFSET(mix), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0, 1, FLAGS},
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{"m", "set mix", OFFSET(mix), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0, 1, FLAGS},
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{"channels", "set channels to filter", OFFSET(channels), AV_OPT_TYPE_CHANNEL_LAYOUT, {.i64=-1}, INT64_MIN, INT64_MAX, FLAGS},
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