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Diffstat (limited to 'libavfilter/vf_yadif.c')
-rw-r--r--libavfilter/vf_yadif.c196
1 files changed, 9 insertions, 187 deletions
diff --git a/libavfilter/vf_yadif.c b/libavfilter/vf_yadif.c
index f58d8ac2bc..3107924932 100644
--- a/libavfilter/vf_yadif.c
+++ b/libavfilter/vf_yadif.c
@@ -22,7 +22,6 @@
#include "libavutil/avassert.h"
#include "libavutil/cpu.h"
#include "libavutil/common.h"
-#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/imgutils.h"
#include "avfilter.h"
@@ -254,166 +253,6 @@ static void filter(AVFilterContext *ctx, AVFrame *dstpic,
emms_c();
}
-static int return_frame(AVFilterContext *ctx, int is_second)
-{
- YADIFContext *yadif = ctx->priv;
- AVFilterLink *link = ctx->outputs[0];
- int tff, ret;
-
- if (yadif->parity == -1) {
- tff = yadif->cur->interlaced_frame ?
- yadif->cur->top_field_first : 1;
- } else {
- tff = yadif->parity ^ 1;
- }
-
- if (is_second) {
- yadif->out = ff_get_video_buffer(link, link->w, link->h);
- if (!yadif->out)
- return AVERROR(ENOMEM);
-
- av_frame_copy_props(yadif->out, yadif->cur);
- yadif->out->interlaced_frame = 0;
- }
-
- filter(ctx, yadif->out, tff ^ !is_second, tff);
-
- if (is_second) {
- int64_t cur_pts = yadif->cur->pts;
- int64_t next_pts = yadif->next->pts;
-
- if (next_pts != AV_NOPTS_VALUE && cur_pts != AV_NOPTS_VALUE) {
- yadif->out->pts = cur_pts + next_pts;
- } else {
- yadif->out->pts = AV_NOPTS_VALUE;
- }
- }
- ret = ff_filter_frame(ctx->outputs[0], yadif->out);
-
- yadif->frame_pending = (yadif->mode&1) && !is_second;
- return ret;
-}
-
-static int checkstride(YADIFContext *yadif, const AVFrame *a, const AVFrame *b)
-{
- int i;
- for (i = 0; i < yadif->csp->nb_components; i++)
- if (a->linesize[i] != b->linesize[i])
- return 1;
- return 0;
-}
-
-static void fixstride(AVFilterLink *link, AVFrame *f)
-{
- AVFrame *dst = ff_default_get_video_buffer(link, f->width, f->height);
- if(!dst)
- return;
- av_frame_copy_props(dst, f);
- av_image_copy(dst->data, dst->linesize,
- (const uint8_t **)f->data, f->linesize,
- dst->format, dst->width, dst->height);
- av_frame_unref(f);
- av_frame_move_ref(f, dst);
- av_frame_free(&dst);
-}
-
-static int filter_frame(AVFilterLink *link, AVFrame *frame)
-{
- AVFilterContext *ctx = link->dst;
- YADIFContext *yadif = ctx->priv;
-
- av_assert0(frame);
-
- if (yadif->frame_pending)
- return_frame(ctx, 1);
-
- if (yadif->prev)
- av_frame_free(&yadif->prev);
- yadif->prev = yadif->cur;
- yadif->cur = yadif->next;
- yadif->next = frame;
-
- if (!yadif->cur &&
- !(yadif->cur = av_frame_clone(yadif->next)))
- return AVERROR(ENOMEM);
-
- if (checkstride(yadif, yadif->next, yadif->cur)) {
- av_log(ctx, AV_LOG_VERBOSE, "Reallocating frame due to differing stride\n");
- fixstride(link, yadif->next);
- }
- if (checkstride(yadif, yadif->next, yadif->cur))
- fixstride(link, yadif->cur);
- if (yadif->prev && checkstride(yadif, yadif->next, yadif->prev))
- fixstride(link, yadif->prev);
- if (checkstride(yadif, yadif->next, yadif->cur) || (yadif->prev && checkstride(yadif, yadif->next, yadif->prev))) {
- av_log(ctx, AV_LOG_ERROR, "Failed to reallocate frame\n");
- return -1;
- }
-
- if (!yadif->prev)
- return 0;
-
- if ((yadif->deint && !yadif->cur->interlaced_frame) ||
- ctx->is_disabled ||
- (yadif->deint && !yadif->prev->interlaced_frame && yadif->prev->repeat_pict) ||
- (yadif->deint && !yadif->next->interlaced_frame && yadif->next->repeat_pict)
- ) {
- yadif->out = av_frame_clone(yadif->cur);
- if (!yadif->out)
- return AVERROR(ENOMEM);
-
- av_frame_free(&yadif->prev);
- if (yadif->out->pts != AV_NOPTS_VALUE)
- yadif->out->pts *= 2;
- return ff_filter_frame(ctx->outputs[0], yadif->out);
- }
-
- yadif->out = ff_get_video_buffer(ctx->outputs[0], link->w, link->h);
- if (!yadif->out)
- return AVERROR(ENOMEM);
-
- av_frame_copy_props(yadif->out, yadif->cur);
- yadif->out->interlaced_frame = 0;
-
- if (yadif->out->pts != AV_NOPTS_VALUE)
- yadif->out->pts *= 2;
-
- return return_frame(ctx, 0);
-}
-
-static int request_frame(AVFilterLink *link)
-{
- AVFilterContext *ctx = link->src;
- YADIFContext *yadif = ctx->priv;
- int ret;
-
- if (yadif->frame_pending) {
- return_frame(ctx, 1);
- return 0;
- }
-
- if (yadif->eof)
- return AVERROR_EOF;
-
- ret = ff_request_frame(ctx->inputs[0]);
-
- if (ret == AVERROR_EOF && yadif->cur) {
- AVFrame *next = av_frame_clone(yadif->next);
-
- if (!next)
- return AVERROR(ENOMEM);
-
- next->pts = yadif->next->pts * 2 - yadif->cur->pts;
-
- filter_frame(ctx->inputs[0], next);
- yadif->eof = 1;
- } else if (ret < 0) {
- return ret;
- }
-
- return 0;
-}
-
static av_cold void uninit(AVFilterContext *ctx)
{
YADIFContext *yadif = ctx->priv;
@@ -492,6 +331,7 @@ static int config_props(AVFilterLink *link)
}
s->csp = av_pix_fmt_desc_get(link->format);
+ s->filter = filter;
if (s->csp->comp[0].depth > 8) {
s->filter_line = filter_line_c_16bit;
s->filter_edges = filter_edges_16bit;
@@ -507,37 +347,19 @@ static int config_props(AVFilterLink *link)
}
-#define OFFSET(x) offsetof(YADIFContext, x)
-#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
-
-#define CONST(name, help, val, unit) { name, help, 0, AV_OPT_TYPE_CONST, {.i64=val}, INT_MIN, INT_MAX, FLAGS, unit }
-
-static const AVOption yadif_options[] = {
- { "mode", "specify the interlacing mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=YADIF_MODE_SEND_FRAME}, 0, 3, FLAGS, "mode"},
- CONST("send_frame", "send one frame for each frame", YADIF_MODE_SEND_FRAME, "mode"),
- CONST("send_field", "send one frame for each field", YADIF_MODE_SEND_FIELD, "mode"),
- CONST("send_frame_nospatial", "send one frame for each frame, but skip spatial interlacing check", YADIF_MODE_SEND_FRAME_NOSPATIAL, "mode"),
- CONST("send_field_nospatial", "send one frame for each field, but skip spatial interlacing check", YADIF_MODE_SEND_FIELD_NOSPATIAL, "mode"),
-
- { "parity", "specify the assumed picture field parity", OFFSET(parity), AV_OPT_TYPE_INT, {.i64=YADIF_PARITY_AUTO}, -1, 1, FLAGS, "parity" },
- CONST("tff", "assume top field first", YADIF_PARITY_TFF, "parity"),
- CONST("bff", "assume bottom field first", YADIF_PARITY_BFF, "parity"),
- CONST("auto", "auto detect parity", YADIF_PARITY_AUTO, "parity"),
-
- { "deint", "specify which frames to deinterlace", OFFSET(deint), AV_OPT_TYPE_INT, {.i64=YADIF_DEINT_ALL}, 0, 1, FLAGS, "deint" },
- CONST("all", "deinterlace all frames", YADIF_DEINT_ALL, "deint"),
- CONST("interlaced", "only deinterlace frames marked as interlaced", YADIF_DEINT_INTERLACED, "deint"),
-
- { NULL }
+static const AVClass yadif_class = {
+ .class_name = "yadif",
+ .item_name = av_default_item_name,
+ .option = ff_yadif_options,
+ .version = LIBAVUTIL_VERSION_INT,
+ .category = AV_CLASS_CATEGORY_FILTER,
};
-AVFILTER_DEFINE_CLASS(yadif);
-
static const AVFilterPad avfilter_vf_yadif_inputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
- .filter_frame = filter_frame,
+ .filter_frame = ff_yadif_filter_frame,
},
{ NULL }
};
@@ -546,7 +368,7 @@ static const AVFilterPad avfilter_vf_yadif_outputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
- .request_frame = request_frame,
+ .request_frame = ff_yadif_request_frame,
.config_props = config_props,
},
{ NULL }
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-07 10:11:44 +0000