avfilter/vf_scroll: add support for commands

This commit is contained in:
Paul B Mahol 2019-10-08 13:18:12 +02:00
parent 877e2e92a3
commit 7fcb84165e

View File

@ -155,12 +155,13 @@ static int config_input(AVFilterLink *inlink)
#define OFFSET(x) offsetof(ScrollContext, x)
#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
#define VFT AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
static const AVOption scroll_options[] = {
{ "horizontal", "set the horizontal scrolling speed", OFFSET(h_speed), AV_OPT_TYPE_FLOAT, {.dbl=0.}, -1., 1., FLAGS },
{ "h", "set the horizontal scrolling speed", OFFSET(h_speed), AV_OPT_TYPE_FLOAT, {.dbl=0.}, -1., 1., FLAGS },
{ "vertical", "set the vertical scrolling speed", OFFSET(v_speed), AV_OPT_TYPE_FLOAT, {.dbl=0.}, -1., 1., FLAGS },
{ "v", "set the vertical scrolling speed", OFFSET(v_speed), AV_OPT_TYPE_FLOAT, {.dbl=0.}, -1., 1., FLAGS },
{ "horizontal", "set the horizontal scrolling speed", OFFSET(h_speed), AV_OPT_TYPE_FLOAT, {.dbl=0.}, -1., 1., VFT },
{ "h", "set the horizontal scrolling speed", OFFSET(h_speed), AV_OPT_TYPE_FLOAT, {.dbl=0.}, -1., 1., VFT },
{ "vertical", "set the vertical scrolling speed", OFFSET(v_speed), AV_OPT_TYPE_FLOAT, {.dbl=0.}, -1., 1., VFT },
{ "v", "set the vertical scrolling speed", OFFSET(v_speed), AV_OPT_TYPE_FLOAT, {.dbl=0.}, -1., 1., VFT },
{ "hpos", "set initial horizontal position", OFFSET(h_ipos), AV_OPT_TYPE_FLOAT, {.dbl=0.}, 0, 1., FLAGS },
{ "vpos", "set initial vertical position", OFFSET(v_ipos), AV_OPT_TYPE_FLOAT, {.dbl=0.}, 0, 1., FLAGS },
{ NULL }
@ -195,4 +196,5 @@ AVFilter ff_vf_scroll = {
.inputs = scroll_inputs,
.outputs = scroll_outputs,
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC,
.process_command = ff_filter_process_command,
};