| /* |
| * libjingle |
| * Copyright 2008 Google Inc. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
| * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "talk/media/base/videocommon.h" |
| #include "webrtc/base/gunit.h" |
| |
| namespace cricket { |
| |
| TEST(VideoCommonTest, TestCanonicalFourCC) { |
| // Canonical fourccs are not changed. |
| EXPECT_EQ(FOURCC_I420, CanonicalFourCC(FOURCC_I420)); |
| // The special FOURCC_ANY value is not changed. |
| EXPECT_EQ(FOURCC_ANY, CanonicalFourCC(FOURCC_ANY)); |
| // Aliases are translated to the canonical equivalent. |
| EXPECT_EQ(FOURCC_I420, CanonicalFourCC(FOURCC_IYUV)); |
| EXPECT_EQ(FOURCC_I422, CanonicalFourCC(FOURCC_YU16)); |
| EXPECT_EQ(FOURCC_I444, CanonicalFourCC(FOURCC_YU24)); |
| EXPECT_EQ(FOURCC_YUY2, CanonicalFourCC(FOURCC_YUYV)); |
| EXPECT_EQ(FOURCC_YUY2, CanonicalFourCC(FOURCC_YUVS)); |
| EXPECT_EQ(FOURCC_UYVY, CanonicalFourCC(FOURCC_HDYC)); |
| EXPECT_EQ(FOURCC_UYVY, CanonicalFourCC(FOURCC_2VUY)); |
| EXPECT_EQ(FOURCC_MJPG, CanonicalFourCC(FOURCC_JPEG)); |
| EXPECT_EQ(FOURCC_MJPG, CanonicalFourCC(FOURCC_DMB1)); |
| EXPECT_EQ(FOURCC_BGGR, CanonicalFourCC(FOURCC_BA81)); |
| EXPECT_EQ(FOURCC_RAW, CanonicalFourCC(FOURCC_RGB3)); |
| EXPECT_EQ(FOURCC_24BG, CanonicalFourCC(FOURCC_BGR3)); |
| EXPECT_EQ(FOURCC_BGRA, CanonicalFourCC(FOURCC_CM32)); |
| EXPECT_EQ(FOURCC_RAW, CanonicalFourCC(FOURCC_CM24)); |
| } |
| |
| // Test conversion between interval and fps |
| TEST(VideoCommonTest, TestVideoFormatFps) { |
| EXPECT_EQ(VideoFormat::kMinimumInterval, VideoFormat::FpsToInterval(0)); |
| EXPECT_EQ(rtc::kNumNanosecsPerSec / 20, VideoFormat::FpsToInterval(20)); |
| EXPECT_EQ(20, VideoFormat::IntervalToFps(rtc::kNumNanosecsPerSec / 20)); |
| EXPECT_EQ(0, VideoFormat::IntervalToFps(0)); |
| } |
| |
| // Test IsSize0x0 |
| TEST(VideoCommonTest, TestVideoFormatIsSize0x0) { |
| VideoFormat format; |
| EXPECT_TRUE(format.IsSize0x0()); |
| format.width = 320; |
| EXPECT_FALSE(format.IsSize0x0()); |
| } |
| |
| // Test ToString: print fourcc when it is printable. |
| TEST(VideoCommonTest, TestVideoFormatToString) { |
| VideoFormat format; |
| EXPECT_EQ("0x0x0", format.ToString()); |
| |
| format.fourcc = FOURCC_I420; |
| format.width = 640; |
| format.height = 480; |
| format.interval = VideoFormat::FpsToInterval(20); |
| EXPECT_EQ("I420 640x480x20", format.ToString()); |
| |
| format.fourcc = FOURCC_ANY; |
| format.width = 640; |
| format.height = 480; |
| format.interval = VideoFormat::FpsToInterval(20); |
| EXPECT_EQ("640x480x20", format.ToString()); |
| } |
| |
| // Test comparison. |
| TEST(VideoCommonTest, TestVideoFormatCompare) { |
| VideoFormat format(640, 480, VideoFormat::FpsToInterval(20), FOURCC_I420); |
| VideoFormat format2; |
| EXPECT_NE(format, format2); |
| |
| // Same pixelrate, different fourcc. |
| format2 = format; |
| format2.fourcc = FOURCC_YUY2; |
| EXPECT_NE(format, format2); |
| EXPECT_FALSE(format.IsPixelRateLess(format2) || |
| format2.IsPixelRateLess(format2)); |
| |
| format2 = format; |
| format2.interval /= 2; |
| EXPECT_TRUE(format.IsPixelRateLess(format2)); |
| |
| format2 = format; |
| format2.width *= 2; |
| EXPECT_TRUE(format.IsPixelRateLess(format2)); |
| } |
| |
| TEST(VideoCommonTest, TestComputeScaleWithLowFps) { |
| int scaled_width, scaled_height; |
| |
| // Request small enough. Expect no change. |
| ComputeScale(2560, 1600, 5, &scaled_width, &scaled_height); |
| EXPECT_EQ(2560, scaled_width); |
| EXPECT_EQ(1600, scaled_height); |
| |
| // Request too many pixels. Expect 1/2 size. |
| ComputeScale(4096, 2560, 5, &scaled_width, &scaled_height); |
| EXPECT_EQ(2048, scaled_width); |
| EXPECT_EQ(1280, scaled_height); |
| |
| // Request too many pixels and too wide and tall. Expect 1/4 size. |
| ComputeScale(16000, 10000, 5, &scaled_width, &scaled_height); |
| EXPECT_EQ(2000, scaled_width); |
| EXPECT_EQ(1250, scaled_height); |
| |
| // Request too wide. (two 30 inch monitors). Expect 1/2 size. |
| ComputeScale(5120, 1600, 5, &scaled_width, &scaled_height); |
| EXPECT_EQ(2560, scaled_width); |
| EXPECT_EQ(800, scaled_height); |
| |
| // Request too wide but not too many pixels. Expect 1/2 size. |
| ComputeScale(8192, 1024, 5, &scaled_width, &scaled_height); |
| EXPECT_EQ(4096, scaled_width); |
| EXPECT_EQ(512, scaled_height); |
| |
| // Request too tall. Expect 1/4 size. |
| ComputeScale(1024, 8192, 5, &scaled_width, &scaled_height); |
| EXPECT_EQ(256, scaled_width); |
| EXPECT_EQ(2048, scaled_height); |
| } |
| |
| // Same as TestComputeScale but with 15 fps instead of 5 fps. |
| TEST(VideoCommonTest, TestComputeScaleWithHighFps) { |
| int scaled_width, scaled_height; |
| |
| // Request small enough but high fps. Expect 1/2 size. |
| ComputeScale(2560, 1600, 15, &scaled_width, &scaled_height); |
| EXPECT_EQ(1280, scaled_width); |
| EXPECT_EQ(800, scaled_height); |
| |
| // Request too many pixels. Expect 1/2 size. |
| ComputeScale(4096, 2560, 15, &scaled_width, &scaled_height); |
| EXPECT_EQ(2048, scaled_width); |
| EXPECT_EQ(1280, scaled_height); |
| |
| // Request too many pixels and too wide and tall. Expect 1/16 size. |
| ComputeScale(64000, 40000, 15, &scaled_width, &scaled_height); |
| EXPECT_EQ(4000, scaled_width); |
| EXPECT_EQ(2500, scaled_height); |
| |
| // Request too wide. (two 30 inch monitors). Expect 1/2 size. |
| ComputeScale(5120, 1600, 15, &scaled_width, &scaled_height); |
| EXPECT_EQ(2560, scaled_width); |
| EXPECT_EQ(800, scaled_height); |
| |
| // Request too wide but not too many pixels. Expect 1/2 size. |
| ComputeScale(8192, 1024, 15, &scaled_width, &scaled_height); |
| EXPECT_EQ(4096, scaled_width); |
| EXPECT_EQ(512, scaled_height); |
| |
| // Request too tall. Expect 1/4 size. |
| ComputeScale(1024, 8192, 15, &scaled_width, &scaled_height); |
| EXPECT_EQ(256, scaled_width); |
| EXPECT_EQ(2048, scaled_height); |
| } |
| |
| TEST(VideoCommonTest, TestComputeCrop) { |
| int cropped_width, cropped_height; |
| |
| // Request 16:9 to 16:9. Expect no cropping. |
| ComputeCrop(1280, 720, // Crop size 16:9 |
| 640, 360, // Frame is 4:3 |
| 1, 1, // Normal 1:1 pixels |
| 0, |
| &cropped_width, &cropped_height); |
| EXPECT_EQ(640, cropped_width); |
| EXPECT_EQ(360, cropped_height); |
| |
| // Request 4:3 to 16:9. Expect vertical. |
| ComputeCrop(640, 360, // Crop size 16:9 |
| 640, 480, // Frame is 4:3 |
| 1, 1, // Normal 1:1 pixels |
| 0, |
| &cropped_width, &cropped_height); |
| EXPECT_EQ(640, cropped_width); |
| EXPECT_EQ(360, cropped_height); |
| |
| // Request 16:9 to 4:3. Expect horizontal crop. |
| ComputeCrop(640, 480, // Crop size 4:3 |
| 640, 360, // Frame is 16:9 |
| 1, 1, // Normal 1:1 pixels |
| 0, |
| &cropped_width, &cropped_height); |
| EXPECT_EQ(480, cropped_width); |
| EXPECT_EQ(360, cropped_height); |
| |
| // Request 16:9 but VGA has 3:8 pixel aspect ratio. Expect no crop. |
| // This occurs on HP4110 on OSX 10.5/10.6/10.7 |
| ComputeCrop(640, 360, // Crop size 16:9 |
| 640, 480, // Frame is 4:3 |
| 3, 8, // Pixel aspect ratio is tall |
| 0, |
| &cropped_width, &cropped_height); |
| EXPECT_EQ(640, cropped_width); |
| EXPECT_EQ(480, cropped_height); |
| |
| // Request 16:9 but QVGA has 15:11 pixel aspect ratio. Expect horizontal crop. |
| // This occurs on Logitech B910 on OSX 10.5/10.6/10.7 in Hangouts. |
| ComputeCrop(640, 360, // Crop size 16:9 |
| 320, 240, // Frame is 4:3 |
| 15, 11, // Pixel aspect ratio is wide |
| 0, |
| &cropped_width, &cropped_height); |
| EXPECT_EQ(312, cropped_width); |
| EXPECT_EQ(240, cropped_height); |
| |
| // Request 16:10 but QVGA has 15:11 pixel aspect ratio. |
| // Expect horizontal crop. |
| // This occurs on Logitech B910 on OSX 10.5/10.6/10.7 in gmail. |
| ComputeCrop(640, 400, // Crop size 16:10 |
| 320, 240, // Frame is 4:3 |
| 15, 11, // Pixel aspect ratio is wide |
| 0, |
| &cropped_width, &cropped_height); |
| EXPECT_EQ(280, cropped_width); |
| EXPECT_EQ(240, cropped_height); |
| |
| // Request 16:9 but VGA has 6:5 pixel aspect ratio. Expect vertical crop. |
| // This occurs on Logitech QuickCam Pro C9000 on OSX |
| ComputeCrop(640, 360, // Crop size 16:9 |
| 640, 480, // Frame is 4:3 |
| 6, 5, // Pixel aspect ratio is wide |
| 0, |
| &cropped_width, &cropped_height); |
| EXPECT_EQ(640, cropped_width); |
| EXPECT_EQ(432, cropped_height); |
| |
| // Request 16:10 but HD is 16:9. Expect horizontal crop. |
| // This occurs in settings and local preview with HD experiment. |
| ComputeCrop(1280, 800, // Crop size 16:10 |
| 1280, 720, // Frame is 4:3 |
| 1, 1, // Pixel aspect ratio is wide |
| 0, |
| &cropped_width, &cropped_height); |
| EXPECT_EQ(1152, cropped_width); |
| EXPECT_EQ(720, cropped_height); |
| |
| // Request 16:9 but HD has 3:4 pixel aspect ratio. Expect vertical crop. |
| // This occurs on Logitech B910 on OSX 10.5/10.6.7 but not OSX 10.6.8 or 10.7 |
| ComputeCrop(1280, 720, // Crop size 16:9 |
| 1280, 720, // Frame is 4:3 |
| 3, 4, // Pixel aspect ratio is wide |
| 0, |
| &cropped_width, &cropped_height); |
| EXPECT_EQ(1280, cropped_width); |
| EXPECT_EQ(540, cropped_height); |
| |
| // Request 16:9 to 3:4 (portrait). Expect no cropping. |
| ComputeCrop(640, 360, // Crop size 16:9 |
| 640, 480, // Frame is 3:4 portrait |
| 1, 1, // Normal 1:1 pixels |
| 90, |
| &cropped_width, &cropped_height); |
| EXPECT_EQ(640, cropped_width); |
| EXPECT_EQ(480, cropped_height); |
| |
| // Request 9:16 from VGA rotated (portrait). Expect crop. |
| ComputeCrop(360, 640, // Crop size 9:16 |
| 640, 480, // Frame is 3:4 portrait |
| 1, 1, // Normal 1:1 pixels |
| 90, |
| &cropped_width, &cropped_height); |
| EXPECT_EQ(640, cropped_width); |
| EXPECT_EQ(360, cropped_height); |
| |
| // Cropped size 0x0. Expect no cropping. |
| // This is used when adding multiple capturers |
| ComputeCrop(0, 0, // Crop size 0x0 |
| 1024, 768, // Frame is 3:4 portrait |
| 1, 1, // Normal 1:1 pixels |
| 0, |
| &cropped_width, &cropped_height); |
| EXPECT_EQ(1024, cropped_width); |
| EXPECT_EQ(768, cropped_height); |
| } |
| |
| TEST(VideoCommonTest, TestComputeScaleToSquarePixels) { |
| int scaled_width, scaled_height; |
| |
| // Pixel aspect ratio is 4:3. Logical aspect ratio is 16:9. Expect scale |
| // to square pixels with physical aspect ratio of 16:9. |
| ComputeScaleToSquarePixels(640, 480, |
| 4, 3, // 4 x 3 pixel aspect ratio |
| &scaled_width, &scaled_height); |
| EXPECT_EQ(640, scaled_width); |
| EXPECT_EQ(360, scaled_height); |
| |
| // Pixel aspect ratio is 3:8. Physical aspect ratio is 4:3. Expect scale |
| // to square pixels with logical aspect ratio of 1:2. |
| // Note that 640x1280 will be scaled down by video adapter to view request |
| // of 640*360 and will end up using 320x640. |
| ComputeScaleToSquarePixels(640, 480, |
| 3, 8, // 4 x 3 pixel aspect ratio |
| &scaled_width, &scaled_height); |
| EXPECT_EQ(640, scaled_width); |
| EXPECT_EQ(1280, scaled_height); |
| } |
| |
| } // namespace cricket |