shithub: libvpx

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Add pre decode frame hook to decoder test class.

Adds a hook that derived test classes can implement to be notified
before every call to decode a frame.

Change-Id: Iefa836459cf3e5d7df9ee27f8198daf82b1be088

--- a/test/decode_test_driver.cc

+++ b/test/decode_test_driver.cc

@@ -30,6 +30,7 @@

   // Decode frames.

   for (video->Begin(); video->cxdata(); video->Next()) {

+    PreDecodeFrameHook(*video, decoder);

     vpx_codec_err_t res_dec = decoder->DecodeFrame(video->cxdata(),

                                                    video->frame_size());

     ASSERT_EQ(VPX_CODEC_OK, res_dec) << decoder->DecodeError();

--- a/test/decode_test_driver.h

+++ b/test/decode_test_driver.h

@@ -101,6 +101,10 @@

   // Main decoding loop

   virtual void RunLoop(CompressedVideoSource *video);

+  // Hook to be called before decompressing every frame.

+  virtual void PreDecodeFrameHook(const CompressedVideoSource& video,

+                                  Decoder *decoder) {}

+

   // Hook to be called on every decompressed frame.

   virtual void DecompressedFrameHook(const vpx_image_t& img,

                                      const unsigned int frame_number) {}