MediaCodec: Mark all MediaCodec decoded frames as progressive

- as noted in the code, this may not always be correct and will need further work if deinterlacing does not happen.
MythTV · Jun 7, 2019 · 4ba03a7 · 4ba03a7
1 parent f98c728
commit 4ba03a7
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diff --git a/mythtv/libs/libmythtv/mythmediacodeccontext.cpp b/mythtv/libs/libmythtv/mythmediacodeccontext.cpp
@@ -110,3 +110,18 @@ AVPixelFormat MythMediaCodecContext::GetFormat(AVCodecContext*, const AVPixelFor
     }
     return AV_PIX_FMT_NONE;
 }
+
+/*! \brief Mark all MediaCodec decoded frames as progressive,
+ *
+ * \note This may not be appropriate for all devices
+*/
+void MythMediaCodecContext::PostProcessFrame(AVCodecContext*, VideoFrame* Frame)
+{
+    if (!Frame)
+        return;
+    Frame->interlaced_frame = 0;
+    Frame->interlaced_reversed = 0;
+    Frame->top_field_first = 0;
+    Frame->deinterlace_inuse = DEINT_BASIC | DEINT_DRIVER;
+    Frame->deinterlace_inuse2x = 0;
+}
diff --git a/mythtv/libs/libmythtv/mythmediacodeccontext.h b/mythtv/libs/libmythtv/mythmediacodeccontext.h
@@ -24,6 +24,7 @@ class MythMediaCodecContext : public MythCodecContext
                                              uint            StreamType,
                                              AVPixelFormat  &PixFmt);
     static AVPixelFormat GetFormat          (AVCodecContext*, const AVPixelFormat *PixFmt);
+    void   PostProcessFrame                 (AVCodecContext*, VideoFrame*) override;
 
   private:
     static int  InitialiseDecoder           (AVCodecContext *Context);