vf_tonemap[_opencl]: Move determine_signal_peak() to a shared file

The two functions are identical. Use the shared LumaCoeffients type too.

1 files changed, 1 insertions, 27 deletions

diff --git a/libavfilter/vf_tonemap_opencl.c b/libavfilter/vf_tonemap_opencl.c
index 241f95e6c3..7455ebb9fb 100644
--- a/libavfilter/vf_tonemap_opencl.c
+++ b/libavfilter/vf_tonemap_opencl.c
@@ -40,7 +40,6 @@
 // - more format support
 
 #define DETECTION_FRAMES 63
-#define REFERENCE_WHITE 100.0f
 
 enum TonemapAlgorithm {
     TONEMAP_NONE,
@@ -343,31 +342,6 @@ fail:
     return err;
 }
 
-static double determine_signal_peak(AVFrame *in)
-{
-    AVFrameSideData *sd = av_frame_get_side_data(in, AV_FRAME_DATA_CONTENT_LIGHT_LEVEL);
-    double peak = 0;
-
-    if (sd) {
-        AVContentLightMetadata *clm = (AVContentLightMetadata *)sd->data;
-        peak = clm->MaxCLL / REFERENCE_WHITE;
-    }
-
-    sd = av_frame_get_side_data(in, AV_FRAME_DATA_MASTERING_DISPLAY_METADATA);
-    if (!peak && sd) {
-        AVMasteringDisplayMetadata *metadata = (AVMasteringDisplayMetadata *)sd->data;
-        if (metadata->has_luminance)
-            peak = av_q2d(metadata->max_luminance) / REFERENCE_WHITE;
-    }
-
-    // For untagged source, use peak of 10000 if SMPTE ST.2084
-    // otherwise assume HLG with reference display peak 1000.
-    if (!peak)
-        peak = in->color_trc == AVCOL_TRC_SMPTE2084 ? 100.0f : 10.0f;
-
-    return peak;
-}
-
 static void update_metadata(AVFrame *in, double peak) {
     AVFrameSideData *sd = av_frame_get_side_data(in, AV_FRAME_DATA_CONTENT_LIGHT_LEVEL);
 
@@ -415,7 +389,7 @@ static int tonemap_opencl_filter_frame(AVFilterLink *inlink, AVFrame *input)
         goto fail;
 
     if (!peak)
-        peak = determine_signal_peak(input);
+        peak = ff_determine_signal_peak(input);
 
     if (ctx->trc != -1)
         output->color_trc = ctx->trc;