[FFmpeg-cvslog] lavfi/showinfo: support regions of interest sidedata
Jun Zhao
git at videolan.org
Sun Jul 21 05:19:09 EEST 2019
ffmpeg | branch: master | Jun Zhao <barryjzhao at tencent.com> | Sat Mar 9 15:55:38 2019 +0800| [7eec3d22fc5f8f93a14a58836c5ac9f7b243e992] | committer: Jun Zhao
lavfi/showinfo: support regions of interest sidedata
support regions of interest sidedata
Signed-off-by: Jun Zhao <barryjzhao at tencent.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7eec3d22fc5f8f93a14a58836c5ac9f7b243e992
---
libavfilter/vf_showinfo.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/libavfilter/vf_showinfo.c b/libavfilter/vf_showinfo.c
index e41c3309a0..f6f8f49778 100644
--- a/libavfilter/vf_showinfo.c
+++ b/libavfilter/vf_showinfo.c
@@ -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);
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