avfilter/vf_tpad: use enum for start/stop_mode

Reviewed-by: Thilo Borgmann <thilo.borgmann@mail.de>
Reviewed-by: Niklas Haas <git@haasn.dev>
pull/389/head
Marvin Scholz 2 years ago committed by Niklas Haas
parent c894f85f72
commit fa7180b827
  1. 24
      libavfilter/vf_tpad.c

@ -27,6 +27,12 @@
#include "formats.h" #include "formats.h"
#include "drawutils.h" #include "drawutils.h"
enum PadMode {
MODE_ADD = 0,
MODE_CLONE,
NB_MODE
};
typedef struct TPadContext { typedef struct TPadContext {
const AVClass *class; const AVClass *class;
int pad_start; int pad_start;
@ -51,10 +57,10 @@ typedef struct TPadContext {
static const AVOption tpad_options[] = { static const AVOption tpad_options[] = {
{ "start", "set the number of frames to delay input", OFFSET(pad_start), AV_OPT_TYPE_INT, {.i64=0}, 0, INT_MAX, VF }, { "start", "set the number of frames to delay input", OFFSET(pad_start), AV_OPT_TYPE_INT, {.i64=0}, 0, INT_MAX, VF },
{ "stop", "set the number of frames to add after input finished", OFFSET(pad_stop), AV_OPT_TYPE_INT, {.i64=0}, -1, INT_MAX, VF }, { "stop", "set the number of frames to add after input finished", OFFSET(pad_stop), AV_OPT_TYPE_INT, {.i64=0}, -1, INT_MAX, VF },
{ "start_mode", "set the mode of added frames to start", OFFSET(start_mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, VF, "mode" }, { "start_mode", "set the mode of added frames to start", OFFSET(start_mode), AV_OPT_TYPE_INT, {.i64=MODE_ADD}, 0, NB_MODE-1, VF, "mode" },
{ "add", "add solid-color frames", 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, VF, "mode" }, { "add", "add solid-color frames", 0, AV_OPT_TYPE_CONST, {.i64=MODE_ADD}, 0, 0, VF, "mode" },
{ "clone", "clone first/last frame", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, VF, "mode" }, { "clone", "clone first/last frame", 0, AV_OPT_TYPE_CONST, {.i64=MODE_CLONE}, 0, 0, VF, "mode" },
{ "stop_mode", "set the mode of added frames to end", OFFSET(stop_mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, VF, "mode" }, { "stop_mode", "set the mode of added frames to end", OFFSET(stop_mode), AV_OPT_TYPE_INT, {.i64=MODE_ADD}, 0, NB_MODE-1, VF, "mode" },
{ "start_duration", "set the duration to delay input", OFFSET(start_duration), AV_OPT_TYPE_DURATION, {.i64=0}, 0, INT64_MAX, VF }, { "start_duration", "set the duration to delay input", OFFSET(start_duration), AV_OPT_TYPE_DURATION, {.i64=0}, 0, INT64_MAX, VF },
{ "stop_duration", "set the duration to pad input", OFFSET(stop_duration), AV_OPT_TYPE_DURATION, {.i64=0}, 0, INT64_MAX, VF }, { "stop_duration", "set the duration to pad input", OFFSET(stop_duration), AV_OPT_TYPE_DURATION, {.i64=0}, 0, INT64_MAX, VF },
{ "color", "set the color of the added frames", OFFSET(rgba_color), AV_OPT_TYPE_COLOR, {.str="black"}, 0, 0, VF }, { "color", "set the color of the added frames", OFFSET(rgba_color), AV_OPT_TYPE_COLOR, {.str="black"}, 0, 0, VF },
@ -91,7 +97,7 @@ static int activate(AVFilterContext *ctx)
} }
} }
if (s->start_mode == 0 && s->pad_start > 0 && ff_outlink_frame_wanted(outlink)) { if (s->start_mode == MODE_ADD && s->pad_start > 0 && ff_outlink_frame_wanted(outlink)) {
frame = ff_get_video_buffer(outlink, outlink->w, outlink->h); frame = ff_get_video_buffer(outlink, outlink->w, outlink->h);
if (!frame) if (!frame)
return AVERROR(ENOMEM); return AVERROR(ENOMEM);
@ -106,7 +112,7 @@ static int activate(AVFilterContext *ctx)
return ff_filter_frame(outlink, frame); return ff_filter_frame(outlink, frame);
} }
if (s->start_mode == 1 && s->pad_start > 0) { if (s->start_mode == MODE_CLONE && s->pad_start > 0) {
if (s->eof) { if (s->eof) {
ff_outlink_set_status(outlink, AVERROR_EOF, 0); ff_outlink_set_status(outlink, AVERROR_EOF, 0);
return 0; return 0;
@ -133,7 +139,7 @@ static int activate(AVFilterContext *ctx)
if (ret < 0) if (ret < 0)
return ret; return ret;
if (ret > 0) { if (ret > 0) {
if (s->stop_mode == 1 && s->pad_stop != 0) { if (s->stop_mode == MODE_CLONE && s->pad_stop != 0) {
av_frame_free(&s->cache_stop); av_frame_free(&s->cache_stop);
s->cache_stop = av_frame_clone(frame); s->cache_stop = av_frame_clone(frame);
} }
@ -147,14 +153,14 @@ static int activate(AVFilterContext *ctx)
ff_outlink_set_status(outlink, AVERROR_EOF, s->pts); ff_outlink_set_status(outlink, AVERROR_EOF, s->pts);
return 0; return 0;
} }
if (s->stop_mode == 0) { if (s->stop_mode == MODE_ADD) {
frame = ff_get_video_buffer(outlink, outlink->w, outlink->h); frame = ff_get_video_buffer(outlink, outlink->w, outlink->h);
if (!frame) if (!frame)
return AVERROR(ENOMEM); return AVERROR(ENOMEM);
ff_fill_rectangle(&s->draw, &s->color, ff_fill_rectangle(&s->draw, &s->color,
frame->data, frame->linesize, frame->data, frame->linesize,
0, 0, frame->width, frame->height); 0, 0, frame->width, frame->height);
} else if (s->stop_mode == 1) { } else if (s->stop_mode == MODE_CLONE) {
if (!s->cache_stop) { if (!s->cache_stop) {
s->pad_stop = 0; s->pad_stop = 0;
ff_outlink_set_status(outlink, AVERROR_EOF, s->pts); ff_outlink_set_status(outlink, AVERROR_EOF, s->pts);

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