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@ -451,9 +451,13 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in) |
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{ |
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AVFilterContext *ctx = inlink->dst; |
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PaletteGenContext *s = ctx->priv; |
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int ret = s->prev_frame ? update_histogram_diff(s->histogram, s->prev_frame, in) |
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: update_histogram_frame(s->histogram, in); |
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int ret; |
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if (in->color_trc != AVCOL_TRC_UNSPECIFIED && in->color_trc != AVCOL_TRC_IEC61966_2_1) |
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av_log(ctx, AV_LOG_WARNING, "The input frame is not in sRGB, colors may be off\n"); |
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ret = s->prev_frame ? update_histogram_diff(s->histogram, s->prev_frame, in) |
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: update_histogram_frame(s->histogram, in); |
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if (ret > 0) |
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s->nb_refs += ret; |
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