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

media/filters/h264_parser.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // This file contains an implementation of an H264 Annex-B video stream parser.
 
 #ifndef MEDIA_FILTERS_H264_PARSER_H_
 #define MEDIA_FILTERS_H264_PARSER_H_
 
 #include <sys/types.h>
@@ skipping 231 matching lines @@
   int first_mb_in_slice;
   int slice_type;
   int pic_parameter_set_id;
   int colour_plane_id;  // TODO(posciak): use this!  http://crbug.com/139878
   int frame_num;
   bool field_pic_flag;
   bool bottom_field_flag;
   int idr_pic_id;
   int pic_order_cnt_lsb;
   int delta_pic_order_cnt_bottom;
-  int delta_pic_order_cnt[2];
+  int delta_pic_order_cnt0;
+  int delta_pic_order_cnt1;
   int redundant_pic_cnt;
   bool direct_spatial_mv_pred_flag;
 
   bool num_ref_idx_active_override_flag;
   int num_ref_idx_l0_active_minus1;
   int num_ref_idx_l1_active_minus1;
   bool ref_pic_list_modification_flag_l0;
   bool ref_pic_list_modification_flag_l1;
   H264ModificationOfPicNum ref_list_l0_modifications[kRefListModSize];
   H264ModificationOfPicNum ref_list_l1_modifications[kRefListModSize];
@@ skipping 15 matching lines @@
   bool adaptive_ref_pic_marking_mode_flag;
   H264DecRefPicMarking ref_pic_marking[kRefListSize];
 
   int cabac_init_idc;
   int slice_qp_delta;
   bool sp_for_switch_flag;
   int slice_qs_delta;
   int disable_deblocking_filter_idc;
   int slice_alpha_c0_offset_div2;
   int slice_beta_offset_div2;
+
+  // Calculated.
+  // Size in bits of dec_ref_pic_marking() syntax element.
+  size_t dec_ref_pic_marking_bit_size;
+  size_t pic_order_cnt_bit_size;
 };
 
 struct H264SEIRecoveryPoint {
   int recovery_frame_cnt;
   bool exact_match_flag;
   bool broken_link_flag;
   int changing_slice_group_idc;
 };
 
 struct MEDIA_EXPORT H264SEIMessage {
@@ skipping 160 matching lines @@
   // Ranges of encrypted bytes in the buffer passed to
   // SetEncryptedStream().
   Ranges<const uint8*> encrypted_ranges_;
 
   DISALLOW_COPY_AND_ASSIGN(H264Parser);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_H264_PARSER_H_