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lavfi/showinfo: support regions of interest sidedata 

support regions of interest sidedata

Signed-off-by: Jun Zhao <barryjzhao@tencent.com>
This commit is contained in:
Jun Zhao 2019-03-09 15:55:38 +08:00
parent 881e1f5a62
commit 7eec3d22fc
1 changed files with 25 additions and 0 deletions
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25
libavfilter/vf_showinfo.c
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@ -111,6 +111,28 @@ static void dump_stereo3d(AVFilterContext *ctx, AVFrameSideData *sd)
av_log(ctx, AV_LOG_INFO, " (inverted)");
}
static void dump_roi(AVFilterContext *ctx, AVFrameSideData *sd)
{
int nb_rois;
const AVRegionOfInterest *roi;
uint32_t roi_size;
roi = (const AVRegionOfInterest *)sd->data;
roi_size = roi->self_size;
if (!roi_size || sd->size % roi_size != 0) {
av_log(ctx, AV_LOG_ERROR, "Invalid AVRegionOfInterest.self_size.\n");
return;
}
nb_rois = sd->size / roi_size;
av_log(ctx, AV_LOG_INFO, "Regions Of Interest(RoI) information: ");
for (int i = 0; i < nb_rois; i++) {
roi = (const AVRegionOfInterest *)(sd->data + roi_size * i);
av_log(ctx, AV_LOG_INFO, "index: %d, region: (%d, %d)/(%d, %d), qp offset: %d/%d.\n",
i, roi->left, roi->top, roi->right, roi->bottom, roi->qoffset.num, roi->qoffset.den);
}
}
static void dump_color_property(AVFilterContext *ctx, AVFrame *frame)
{
const char *color_range_str = av_color_range_name(frame->color_range);
@ -246,6 +268,9 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
case AV_FRAME_DATA_AFD:
av_log(ctx, AV_LOG_INFO, "afd: value of %"PRIu8, sd->data[0]);
break;
case AV_FRAME_DATA_REGIONS_OF_INTEREST:
dump_roi(ctx, sd);
break;
default:
av_log(ctx, AV_LOG_WARNING, "unknown side data type %d (%d bytes)",
sd->type, sd->size);