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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 // | 4 // |
5 // This file contains an implementation of an H264 Annex-B video stream parser. | 5 // This file contains an implementation of an H264 Annex-B video stream parser. |
6 | 6 |
7 #ifndef CONTENT_COMMON_GPU_MEDIA_H264_PARSER_H_ | 7 #ifndef CONTENT_COMMON_GPU_MEDIA_H264_PARSER_H_ |
8 #define CONTENT_COMMON_GPU_MEDIA_H264_PARSER_H_ | 8 #define CONTENT_COMMON_GPU_MEDIA_H264_PARSER_H_ |
9 | 9 |
10 #include <sys/types.h> | 10 #include <sys/types.h> |
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63 int scaling_list4x4[6][kH264ScalingList4x4Length]; | 63 int scaling_list4x4[6][kH264ScalingList4x4Length]; |
64 int scaling_list8x8[6][kH264ScalingList8x8Length]; | 64 int scaling_list8x8[6][kH264ScalingList8x8Length]; |
65 | 65 |
66 int log2_max_frame_num_minus4; | 66 int log2_max_frame_num_minus4; |
67 int pic_order_cnt_type; | 67 int pic_order_cnt_type; |
68 int log2_max_pic_order_cnt_lsb_minus4; | 68 int log2_max_pic_order_cnt_lsb_minus4; |
69 bool delta_pic_order_always_zero_flag; | 69 bool delta_pic_order_always_zero_flag; |
70 int offset_for_non_ref_pic; | 70 int offset_for_non_ref_pic; |
71 int offset_for_top_to_bottom_field; | 71 int offset_for_top_to_bottom_field; |
72 int num_ref_frames_in_pic_order_cnt_cycle; | 72 int num_ref_frames_in_pic_order_cnt_cycle; |
| 73 int expected_delta_per_pic_order_cnt_cycle; // calculated |
73 int offset_for_ref_frame[255]; | 74 int offset_for_ref_frame[255]; |
74 int max_num_ref_frames; | 75 int max_num_ref_frames; |
75 bool gaps_in_frame_num_value_allowed_flag; | 76 bool gaps_in_frame_num_value_allowed_flag; |
76 int pic_width_in_mbs_minus1; | 77 int pic_width_in_mbs_minus1; |
77 int pic_height_in_map_units_minus1; | 78 int pic_height_in_map_units_minus1; |
78 bool frame_mbs_only_flag; | 79 bool frame_mbs_only_flag; |
79 bool mb_adaptive_frame_field_flag; | 80 bool mb_adaptive_frame_field_flag; |
80 bool direct_8x8_inference_flag; | 81 bool direct_8x8_inference_flag; |
81 bool frame_cropping_flag; | 82 bool frame_cropping_flag; |
82 int frame_crop_left_offset; | 83 int frame_crop_left_offset; |
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345 typedef std::map<int, H264PPS*> PPSById; | 346 typedef std::map<int, H264PPS*> PPSById; |
346 SPSById active_SPSes_; | 347 SPSById active_SPSes_; |
347 PPSById active_PPSes_; | 348 PPSById active_PPSes_; |
348 | 349 |
349 DISALLOW_COPY_AND_ASSIGN(H264Parser); | 350 DISALLOW_COPY_AND_ASSIGN(H264Parser); |
350 }; | 351 }; |
351 | 352 |
352 } // namespace content | 353 } // namespace content |
353 | 354 |
354 #endif // CONTENT_COMMON_GPU_MEDIA_H264_PARSER_H_ | 355 #endif // CONTENT_COMMON_GPU_MEDIA_H264_PARSER_H_ |
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