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1 /* | 1 /* |
2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. | 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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1070 cm->profile = read_profile(rb); | 1070 cm->profile = read_profile(rb); |
1071 if (cm->profile >= MAX_PROFILES) | 1071 if (cm->profile >= MAX_PROFILES) |
1072 vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM, | 1072 vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM, |
1073 "Unsupported bitstream profile"); | 1073 "Unsupported bitstream profile"); |
1074 | 1074 |
1075 cm->show_existing_frame = vp9_rb_read_bit(rb); | 1075 cm->show_existing_frame = vp9_rb_read_bit(rb); |
1076 if (cm->show_existing_frame) { | 1076 if (cm->show_existing_frame) { |
1077 // Show an existing frame directly. | 1077 // Show an existing frame directly. |
1078 const int frame_to_show = cm->ref_frame_map[vp9_rb_read_literal(rb, 3)]; | 1078 const int frame_to_show = cm->ref_frame_map[vp9_rb_read_literal(rb, 3)]; |
1079 | 1079 |
1080 if (cm->frame_bufs[frame_to_show].ref_count < 1) | 1080 if (frame_to_show < 0 || cm->frame_bufs[frame_to_show].ref_count < 1) |
1081 vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM, | 1081 vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM, |
1082 "Buffer %d does not contain a decoded frame", | 1082 "Buffer %d does not contain a decoded frame", |
1083 frame_to_show); | 1083 frame_to_show); |
1084 | 1084 |
1085 ref_cnt_fb(cm->frame_bufs, &cm->new_fb_idx, frame_to_show); | 1085 ref_cnt_fb(cm->frame_bufs, &cm->new_fb_idx, frame_to_show); |
1086 pbi->refresh_frame_flags = 0; | 1086 pbi->refresh_frame_flags = 0; |
1087 cm->lf.filter_level = 0; | 1087 cm->lf.filter_level = 0; |
1088 cm->show_frame = 1; | 1088 cm->show_frame = 1; |
1089 return 0; | 1089 return 0; |
1090 } | 1090 } |
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1382 vp9_adapt_mv_probs(cm, cm->allow_high_precision_mv); | 1382 vp9_adapt_mv_probs(cm, cm->allow_high_precision_mv); |
1383 } | 1383 } |
1384 } else { | 1384 } else { |
1385 debug_check_frame_counts(cm); | 1385 debug_check_frame_counts(cm); |
1386 } | 1386 } |
1387 } | 1387 } |
1388 | 1388 |
1389 if (cm->refresh_frame_context) | 1389 if (cm->refresh_frame_context) |
1390 cm->frame_contexts[cm->frame_context_idx] = cm->fc; | 1390 cm->frame_contexts[cm->frame_context_idx] = cm->fc; |
1391 } | 1391 } |
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