Add accelerated video decoder interface, VP8 and H.264 implementations and hook up to V4L2SVDA

media/video/h264_poc.cc

Index: media/video/h264_poc.cc
diff --git a/media/video/h264_poc.cc b/media/video/h264_poc.cc
index 5d2892a3703384698a86078bc92ee6e837cd230e..d414b1d84033379e9b084efdd6e02830f12b4834 100644
--- a/media/video/h264_poc.cc
+++ b/media/video/h264_poc.cc
@@ -172,10 +172,9 @@ bool H264POC::ComputePicOrderCnt(
 
       // 8-10. Derive |top_field_order_cnt| and |bottom_field_order_cnt|
       //       (assuming no interlacing).
-      int32_t top_foc = expected_pic_order_cnt +
-                        slice_hdr.delta_pic_order_cnt[0];
+      int32_t top_foc = expected_pic_order_cnt + slice_hdr.delta_pic_order_cnt0;
       int32_t bottom_foc = top_foc + sps->offset_for_top_to_bottom_field +
-                           slice_hdr.delta_pic_order_cnt[1];
+                           slice_hdr.delta_pic_order_cnt1;
       *pic_order_cnt = std::min(top_foc, bottom_foc);
 
       // Store state.