* Ported from MPlayer libmpcodecs/vf_cropdetect.c.
*/
+#include <stdio.h>
+
#include "libavutil/imgutils.h"
+#include "libavutil/internal.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
static int query_formats(AVFilterContext *ctx)
{
- static const enum PixelFormat pix_fmts[] = {
- PIX_FMT_YUV420P, PIX_FMT_YUVJ420P,
- PIX_FMT_YUV422P, PIX_FMT_YUVJ422P,
- PIX_FMT_YUV444P, PIX_FMT_YUVJ444P,
- PIX_FMT_YUV411P, PIX_FMT_GRAY8,
- PIX_FMT_NV12, PIX_FMT_NV21,
- PIX_FMT_NONE
+ static const enum AVPixelFormat pix_fmts[] = {
+ AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVJ420P,
+ AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVJ422P,
+ AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVJ444P,
+ AV_PIX_FMT_YUV411P, AV_PIX_FMT_GRAY8,
+ AV_PIX_FMT_NV12, AV_PIX_FMT_NV21,
+ AV_PIX_FMT_NONE
};
ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
return total;
}
-static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
+static av_cold int init(AVFilterContext *ctx, const char *args)
{
CropDetectContext *cd = ctx->priv;
if (args)
sscanf(args, "%d:%d:%d", &cd->limit, &cd->round, &cd->reset_count);
- av_log(ctx, AV_LOG_INFO, "limit:%d round:%d reset_count:%d\n",
+ av_log(ctx, AV_LOG_VERBOSE, "limit:%d round:%d reset_count:%d\n",
cd->limit, cd->round, cd->reset_count);
return 0;
CropDetectContext *cd = ctx->priv;
av_image_fill_max_pixsteps(cd->max_pixsteps, NULL,
- &av_pix_fmt_descriptors[inlink->format]);
+ av_pix_fmt_desc_get(inlink->format));
cd->x1 = inlink->w - 1;
cd->y1 = inlink->h - 1;
return 0;
}
-static void end_frame(AVFilterLink *inlink)
+static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
{
AVFilterContext *ctx = inlink->dst;
CropDetectContext *cd = ctx->priv;
- AVFilterBufferRef *picref = inlink->cur_buf;
int bpp = cd->max_pixsteps[0];
int w, h, x, y, shrink_by;
if (++cd->frame_nb > 0) {
// Reset the crop area every reset_count frames, if reset_count is > 0
if (cd->reset_count > 0 && cd->frame_nb > cd->reset_count) {
- cd->x1 = picref->video->w-1;
- cd->y1 = picref->video->h-1;
+ cd->x1 = frame->width - 1;
+ cd->y1 = frame->height - 1;
cd->x2 = 0;
cd->y2 = 0;
cd->frame_nb = 1;
}
for (y = 0; y < cd->y1; y++) {
- if (checkline(ctx, picref->data[0] + picref->linesize[0] * y, bpp, picref->video->w, bpp) > cd->limit) {
+ if (checkline(ctx, frame->data[0] + frame->linesize[0] * y, bpp, frame->width, bpp) > cd->limit) {
cd->y1 = y;
break;
}
}
- for (y = picref->video->h-1; y > cd->y2; y--) {
- if (checkline(ctx, picref->data[0] + picref->linesize[0] * y, bpp, picref->video->w, bpp) > cd->limit) {
+ for (y = frame->height - 1; y > cd->y2; y--) {
+ if (checkline(ctx, frame->data[0] + frame->linesize[0] * y, bpp, frame->width, bpp) > cd->limit) {
cd->y2 = y;
break;
}
}
for (y = 0; y < cd->x1; y++) {
- if (checkline(ctx, picref->data[0] + bpp*y, picref->linesize[0], picref->video->h, bpp) > cd->limit) {
+ if (checkline(ctx, frame->data[0] + bpp*y, frame->linesize[0], frame->height, bpp) > cd->limit) {
cd->x1 = y;
break;
}
}
- for (y = picref->video->w-1; y > cd->x2; y--) {
- if (checkline(ctx, picref->data[0] + bpp*y, picref->linesize[0], picref->video->h, bpp) > cd->limit) {
+ for (y = frame->width - 1; y > cd->x2; y--) {
+ if (checkline(ctx, frame->data[0] + bpp*y, frame->linesize[0], frame->height, bpp) > cd->limit) {
cd->x2 = y;
break;
}
y += (shrink_by/2 + 1) & ~1;
av_log(ctx, AV_LOG_INFO,
- "x1:%d x2:%d y1:%d y2:%d w:%d h:%d x:%d y:%d pos:%"PRId64" pts:%"PRId64" t:%f crop=%d:%d:%d:%d\n",
- cd->x1, cd->x2, cd->y1, cd->y2, w, h, x, y, picref->pos, picref->pts,
- picref->pts == AV_NOPTS_VALUE ? -1 : picref->pts * av_q2d(inlink->time_base),
+ "x1:%d x2:%d y1:%d y2:%d w:%d h:%d x:%d y:%d pts:%"PRId64" t:%f crop=%d:%d:%d:%d\n",
+ cd->x1, cd->x2, cd->y1, cd->y2, w, h, x, y, frame->pts,
+ frame->pts == AV_NOPTS_VALUE ? -1 : frame->pts * av_q2d(inlink->time_base),
w, h, x, y);
}
- ff_end_frame(inlink->dst->outputs[0]);
+ return ff_filter_frame(inlink->dst->outputs[0], frame);
}
+static const AVFilterPad avfilter_vf_cropdetect_inputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .config_props = config_input,
+ .get_video_buffer = ff_null_get_video_buffer,
+ .filter_frame = filter_frame,
+ },
+ { NULL }
+};
+
+static const AVFilterPad avfilter_vf_cropdetect_outputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO
+ },
+ { NULL }
+};
+
AVFilter avfilter_vf_cropdetect = {
.name = "cropdetect",
.description = NULL_IF_CONFIG_SMALL("Auto-detect crop size."),
.query_formats = query_formats,
- .inputs = (AVFilterPad[]) {{ .name = "default",
- .type = AVMEDIA_TYPE_VIDEO,
- .config_props = config_input,
- .get_video_buffer = ff_null_get_video_buffer,
- .start_frame = ff_null_start_frame,
- .end_frame = end_frame, },
- { .name = NULL}},
-
- .outputs = (AVFilterPad[]) {{ .name = "default",
- .type = AVMEDIA_TYPE_VIDEO },
- { .name = NULL}},
+ .inputs = avfilter_vf_cropdetect_inputs,
+
+ .outputs = avfilter_vf_cropdetect_outputs,
};