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1 /* | 1 /* |
2 * Copyright 2011 The LibYuv Project Authors. All rights reserved. | 2 * Copyright 2011 The LibYuv 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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440 // Negative height means invert the image. | 440 // Negative height means invert the image. |
441 if (height < 0) { | 441 if (height < 0) { |
442 height = -height; | 442 height = -height; |
443 src_yuy2 = src_yuy2 + (height - 1) * src_stride_yuy2; | 443 src_yuy2 = src_yuy2 + (height - 1) * src_stride_yuy2; |
444 src_stride_yuy2 = -src_stride_yuy2; | 444 src_stride_yuy2 = -src_stride_yuy2; |
445 } | 445 } |
446 // Coalesce rows. | 446 // Coalesce rows. |
447 if (src_stride_yuy2 == width * 2 && | 447 if (src_stride_yuy2 == width * 2 && |
448 dst_stride_y == width && | 448 dst_stride_y == width && |
449 dst_stride_u * 2 == width && | 449 dst_stride_u * 2 == width && |
450 dst_stride_v * 2 == width) { | 450 dst_stride_v * 2 == width && |
| 451 width * height <= 32768) { |
451 width *= height; | 452 width *= height; |
452 height = 1; | 453 height = 1; |
453 src_stride_yuy2 = dst_stride_y = dst_stride_u = dst_stride_v = 0; | 454 src_stride_yuy2 = dst_stride_y = dst_stride_u = dst_stride_v = 0; |
454 } | 455 } |
455 #if defined(HAS_YUY2TOYROW_SSE2) | 456 #if defined(HAS_YUY2TOYROW_SSE2) |
456 if (TestCpuFlag(kCpuHasSSE2)) { | 457 if (TestCpuFlag(kCpuHasSSE2)) { |
457 YUY2ToUV422Row = YUY2ToUV422Row_Any_SSE2; | 458 YUY2ToUV422Row = YUY2ToUV422Row_Any_SSE2; |
458 YUY2ToYRow = YUY2ToYRow_Any_SSE2; | 459 YUY2ToYRow = YUY2ToYRow_Any_SSE2; |
459 if (IS_ALIGNED(width, 16)) { | 460 if (IS_ALIGNED(width, 16)) { |
460 YUY2ToUV422Row = YUY2ToUV422Row_SSE2; | 461 YUY2ToUV422Row = YUY2ToUV422Row_SSE2; |
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524 // Negative height means invert the image. | 525 // Negative height means invert the image. |
525 if (height < 0) { | 526 if (height < 0) { |
526 height = -height; | 527 height = -height; |
527 src_uyvy = src_uyvy + (height - 1) * src_stride_uyvy; | 528 src_uyvy = src_uyvy + (height - 1) * src_stride_uyvy; |
528 src_stride_uyvy = -src_stride_uyvy; | 529 src_stride_uyvy = -src_stride_uyvy; |
529 } | 530 } |
530 // Coalesce rows. | 531 // Coalesce rows. |
531 if (src_stride_uyvy == width * 2 && | 532 if (src_stride_uyvy == width * 2 && |
532 dst_stride_y == width && | 533 dst_stride_y == width && |
533 dst_stride_u * 2 == width && | 534 dst_stride_u * 2 == width && |
534 dst_stride_v * 2 == width) { | 535 dst_stride_v * 2 == width && |
| 536 width * height <= 32768) { |
535 width *= height; | 537 width *= height; |
536 height = 1; | 538 height = 1; |
537 src_stride_uyvy = dst_stride_y = dst_stride_u = dst_stride_v = 0; | 539 src_stride_uyvy = dst_stride_y = dst_stride_u = dst_stride_v = 0; |
538 } | 540 } |
539 #if defined(HAS_UYVYTOYROW_SSE2) | 541 #if defined(HAS_UYVYTOYROW_SSE2) |
540 if (TestCpuFlag(kCpuHasSSE2)) { | 542 if (TestCpuFlag(kCpuHasSSE2)) { |
541 UYVYToUV422Row = UYVYToUV422Row_Any_SSE2; | 543 UYVYToUV422Row = UYVYToUV422Row_Any_SSE2; |
542 UYVYToYRow = UYVYToYRow_Any_SSE2; | 544 UYVYToYRow = UYVYToYRow_Any_SSE2; |
543 if (IS_ALIGNED(width, 16)) { | 545 if (IS_ALIGNED(width, 16)) { |
544 UYVYToUV422Row = UYVYToUV422Row_SSE2; | 546 UYVYToUV422Row = UYVYToUV422Row_SSE2; |
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2961 } | 2963 } |
2962 free_aligned_buffer_64(rows); | 2964 free_aligned_buffer_64(rows); |
2963 } | 2965 } |
2964 return 0; | 2966 return 0; |
2965 } | 2967 } |
2966 | 2968 |
2967 #ifdef __cplusplus | 2969 #ifdef __cplusplus |
2968 } // extern "C" | 2970 } // extern "C" |
2969 } // namespace libyuv | 2971 } // namespace libyuv |
2970 #endif | 2972 #endif |
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