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1 /* | 1 /* |
2 * libjingle | 2 * libjingle |
3 * Copyright 2015 Google Inc. | 3 * Copyright 2015 Google Inc. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions are met: | 6 * modification, are permitted provided that the following conditions are met: |
7 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright notice, | 8 * 1. Redistributions of source code must retain the above copyright notice, |
9 * this list of conditions and the following disclaimer. | 9 * this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright notice, | 10 * 2. Redistributions in binary form must reproduce the above copyright notice, |
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23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 */ | 26 */ |
27 | 27 |
28 #include "talk/app/webrtc/java/jni/native_handle_impl.h" | 28 #include "talk/app/webrtc/java/jni/native_handle_impl.h" |
29 | 29 |
30 #include "webrtc/base/checks.h" | 30 #include "webrtc/base/checks.h" |
31 #include "webrtc/base/keep_ref_until_done.h" | 31 #include "webrtc/base/keep_ref_until_done.h" |
32 #include "webrtc/base/scoped_ref_ptr.h" | 32 #include "webrtc/base/scoped_ref_ptr.h" |
33 #include "webrtc/base/logging.h" | |
33 | 34 |
34 using webrtc::NativeHandleBuffer; | 35 using webrtc::NativeHandleBuffer; |
35 | 36 |
37 namespace { | |
38 | |
39 void RotateMatrix(float a[16], webrtc::VideoRotation rotation) { | |
40 switch (rotation) { | |
41 case webrtc::kVideoRotation_0: | |
42 break; | |
43 case webrtc::kVideoRotation_90: { | |
44 const float ROTATE_90[16] = | |
45 { a[4], a[5], a[6], a[7], | |
46 -a[0], -a[1], -a[2], -a[3], | |
47 a[8], a[9], a[10], a[11], | |
48 a[0] + a[12], a[1] + a[13], a[2] + a[14], a[3] + a[15]}; | |
49 memcpy(a, ROTATE_90, sizeof(ROTATE_90)); | |
50 } break; | |
51 case webrtc::kVideoRotation_180: { | |
52 const float ROTATE_180[16] = | |
53 { -a[0], -a[1], -a[2], -a[3], | |
54 -a[4], -a[5], -a[6], -a[7], | |
55 a[8], a[9], a[10], a[11], | |
56 a[0] + a[4] + a[12], a[1] +a[5] + a[13], a[2] + a[6] + a[14], | |
57 a[3] + a[11]+ a[15]}; | |
58 memcpy(a, ROTATE_180, sizeof(ROTATE_180)); | |
59 } | |
60 break; | |
61 case webrtc::kVideoRotation_270: { | |
62 const float ROTATE_270[16] = | |
63 { -a[4], -a[5], -a[6], -a[7], | |
nisse-chromium (ooo August 14)
2015/12/10 09:04:57
I was surprised by the transformation of the last
perkj_chrome
2015/12/10 13:22:07
Acknowledged.
| |
64 a[0], a[1], a[2], a[3], | |
65 a[8], a[9], a[10], a[11], | |
66 a[4] + a[12], a[5] + a[13], a[6] + a[14], a[7] + a[15]}; | |
67 memcpy(a, ROTATE_270, sizeof(ROTATE_270)); | |
68 } break; | |
69 } | |
70 } | |
71 | |
72 } // anonymouse namespace | |
73 | |
36 namespace webrtc_jni { | 74 namespace webrtc_jni { |
37 | 75 |
38 NativeHandleImpl::NativeHandleImpl(JNIEnv* jni, | 76 NativeHandleImpl::NativeHandleImpl(JNIEnv* jni, |
39 jint j_oes_texture_id, | 77 jint j_oes_texture_id, |
40 jfloatArray j_transform_matrix) | 78 jfloatArray j_transform_matrix) |
41 : oes_texture_id(j_oes_texture_id) { | 79 : oes_texture_id(j_oes_texture_id) { |
42 RTC_CHECK_EQ(16, jni->GetArrayLength(j_transform_matrix)); | 80 RTC_CHECK_EQ(16, jni->GetArrayLength(j_transform_matrix)); |
43 jfloat* transform_matrix_ptr = | 81 jfloat* transform_matrix_ptr = |
44 jni->GetFloatArrayElements(j_transform_matrix, nullptr); | 82 jni->GetFloatArrayElements(j_transform_matrix, nullptr); |
45 for (int i = 0; i < 16; ++i) { | 83 for (int i = 0; i < 16; ++i) { |
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61 no_longer_used_cb_(); | 99 no_longer_used_cb_(); |
62 } | 100 } |
63 | 101 |
64 rtc::scoped_refptr<webrtc::VideoFrameBuffer> | 102 rtc::scoped_refptr<webrtc::VideoFrameBuffer> |
65 AndroidTextureBuffer::NativeToI420Buffer() { | 103 AndroidTextureBuffer::NativeToI420Buffer() { |
66 RTC_NOTREACHED() | 104 RTC_NOTREACHED() |
67 << "AndroidTextureBuffer::NativeToI420Buffer not implemented."; | 105 << "AndroidTextureBuffer::NativeToI420Buffer not implemented."; |
68 return nullptr; | 106 return nullptr; |
69 } | 107 } |
70 | 108 |
71 rtc::scoped_refptr<AndroidTextureBuffer> AndroidTextureBuffer::CropAndScale( | 109 rtc::scoped_refptr<AndroidTextureBuffer> |
72 int cropped_input_width, | 110 AndroidTextureBuffer::ScaleAndRotate(int dst_widht, |
73 int cropped_input_height, | 111 int dst_height, |
74 int dst_widht, | 112 webrtc::VideoRotation rotation) { |
75 int dst_height) { | 113 if (width() == dst_widht && height() == dst_height && |
76 // TODO(perkj) Implement cropping. | 114 rotation == webrtc::kVideoRotation_0) { |
77 RTC_CHECK_EQ(cropped_input_width, width_); | 115 return this; |
78 RTC_CHECK_EQ(cropped_input_height, height_); | 116 } |
117 int rotated_width = (rotation % 180 == 0) ? dst_widht : dst_height; | |
118 int rotated_height = (rotation % 180 == 0) ? dst_height : dst_widht; | |
79 | 119 |
80 // Here we use Bind magic to add a reference count to |this| until the newly | 120 // Here we use Bind magic to add a reference count to |this| until the newly |
81 // created AndroidTextureBuffer is destructed. ScaledFrameNotInUse will be | 121 // created AndroidTextureBuffer is destructed |
82 // called that happens and when it finishes, the reference count to |this| | 122 rtc::scoped_refptr<AndroidTextureBuffer> buffer( |
83 // will be decreased by one. | 123 new rtc::RefCountedObject<AndroidTextureBuffer>( |
84 return new rtc::RefCountedObject<AndroidTextureBuffer>( | 124 rotated_width, rotated_height, native_handle_, |
85 dst_widht, dst_height, native_handle_, | 125 rtc::KeepRefUntilDone(this))); |
86 rtc::KeepRefUntilDone(this)); | 126 |
127 RotateMatrix(buffer->native_handle_.sampling_matrix, rotation); | |
128 return buffer; | |
87 } | 129 } |
88 | 130 |
89 } // namespace webrtc_jni | 131 } // namespace webrtc_jni |
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