Unified · Split
| @@ -5433,6 +5433,10 @@ lv2=p=http\\\\://www.openavproductions.com/artyfx#bitta:c=crush=0.3 · 5432 unmodified lines | ||
| 5433 | 5433 | @end example |
| 5434 | 5434 | @end itemize |
| 5435 | 5435 | |
| 5436 | +@subsection Commands | |
| 5437 | + | |
| 5438 | +This filter supports all options that are exported by plugin as commands. | |
| 5439 | + | |
| 5436 | 5440 | @section mcompand |
| 5437 | 5441 | Multiband Compress or expand the audio's dynamic range. |
| 5438 | 5442 | |
| @@ -538,6 +538,26 @@ static int query_formats(AVFilterContext *ctx) · 537 unmodified lines | ||
| 538 | 538 | return 0; |
| 539 | 539 | } |
| 540 | 540 | |
| 541 | +static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, | |
| 542 | + char *res, int res_len, int flags) | |
| 543 | +{ | |
| 544 | + LV2Context *s = ctx->priv; | |
| 545 | + const LilvPort *port; | |
| 546 | + LilvNode *sym; | |
| 547 | + int index; | |
| 548 | + | |
| 549 | + sym = lilv_new_string(s->world, cmd); | |
| 550 | + port = lilv_plugin_get_port_by_symbol(s->plugin, sym); | |
| 551 | + lilv_node_free(sym); | |
| 552 | + if (!port) { | |
| 553 | + av_log(s, AV_LOG_WARNING, "Unknown option: <%s>\n", cmd); | |
| 554 | + } else { | |
| 555 | + index = lilv_port_get_index(s->plugin, port); | |
| 556 | + s->controls[index] = atof(args); | |
| 557 | + } | |
| 558 | + return 0; | |
| 559 | +} | |
| 560 | + | |
| 541 | 561 | static av_cold void uninit(AVFilterContext *ctx) |
| 542 | 562 | { |
| 543 | 563 | LV2Context *s = ctx->priv; |
| @@ -578,6 +598,7 @@ const AVFilter ff_af_lv2 = { · 34 unmodified lines | ||
| 578 | 598 | .priv_class = &lv2_class, |
| 579 | 599 | .init = init, |
| 580 | 600 | .uninit = uninit, |
| 601 | + .process_command = process_command, | |
| 581 | 602 | .inputs = 0, |
| 582 | 603 | FILTER_OUTPUTS(lv2_outputs), |
| 583 | 604 | FILTER_QUERY_FUNC(query_formats), |