LCOV - code coverage report
Current view: top level - media/webrtc/trunk/webrtc/common_video/libyuv - webrtc_libyuv.cc (source / functions) Hit Total Coverage
Test: output.info Lines: 0 216 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 19 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*
       2             :  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
       3             :  *
       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
       6             :  *  tree. An additional intellectual property rights grant can be found
       7             :  *  in the file PATENTS.  All contributing project authors may
       8             :  *  be found in the AUTHORS file in the root of the source tree.
       9             :  */
      10             : 
      11             : #include "webrtc/common_video/libyuv/include/webrtc_libyuv.h"
      12             : #include "libyuv/planar_functions.h"
      13             : 
      14             : #include <string.h>
      15             : #include <limits>
      16             : 
      17             : #include "webrtc/base/checks.h"
      18             : // TODO(nisse): Only needed for the deprecated ConvertToI420.
      19             : #include "webrtc/api/video/i420_buffer.h"
      20             : 
      21             : // NOTE(ajm): Path provided by gn.
      22             : #include "libyuv.h"  // NOLINT
      23             : 
      24             : namespace webrtc {
      25             : 
      26           0 : VideoType RawVideoTypeToCommonVideoVideoType(RawVideoType type) {
      27           0 :   switch (type) {
      28             :     case kVideoI420:
      29           0 :       return kI420;
      30             :     case kVideoIYUV:
      31           0 :       return kIYUV;
      32             :     case kVideoRGB24:
      33           0 :       return kRGB24;
      34             :     case kVideoARGB:
      35           0 :       return kARGB;
      36             :     case kVideoARGB4444:
      37           0 :       return kARGB4444;
      38             :     case kVideoRGB565:
      39           0 :       return kRGB565;
      40             :     case kVideoARGB1555:
      41           0 :       return kARGB1555;
      42             :     case kVideoYUY2:
      43           0 :       return kYUY2;
      44             :     case kVideoYV12:
      45           0 :       return kYV12;
      46             :     case kVideoUYVY:
      47           0 :       return kUYVY;
      48             :     case kVideoNV21:
      49           0 :       return kNV21;
      50             :     case kVideoNV12:
      51           0 :       return kNV12;
      52             :     case kVideoBGRA:
      53           0 :       return kBGRA;
      54             :     case kVideoMJPEG:
      55           0 :       return kMJPG;
      56             :     default:
      57           0 :       RTC_NOTREACHED();
      58             :   }
      59           0 :   return kUnknown;
      60             : }
      61             : 
      62           0 : size_t CalcBufferSize(VideoType type, int width, int height) {
      63           0 :   RTC_DCHECK_GE(width, 0);
      64           0 :   RTC_DCHECK_GE(height, 0);
      65             :   // Verify we won't overflow; max is width*height*4
      66             :   // 0x7FFF * 0x7FFF * 4 = < 0x100000000
      67           0 :   RTC_DCHECK_LE(width, 0x7FFF); // guarantees no overflow and cheaper than multiply
      68           0 :   RTC_DCHECK_LE(height, 0x7FFF);
      69           0 :   RTC_DCHECK_GE(std::numeric_limits<std::size_t>::max(), 0xFFFFFFFF);
      70             :   // assert() is debug only
      71           0 :   if (width > 0x7FFF || height > 0x7FFF) {
      72           0 :     return SIZE_MAX; // very likely forces OOM
      73             :   }
      74             : 
      75           0 :   size_t buffer_size = 0;
      76           0 :   switch (type) {
      77             :     case kI420:
      78             :     case kNV12:
      79             :     case kNV21:
      80             :     case kIYUV:
      81             :     case kYV12: {
      82           0 :       int half_width = (width + 1) >> 1;
      83           0 :       int half_height = (height + 1) >> 1;
      84           0 :       buffer_size = width * height + half_width * half_height * 2;
      85           0 :       break;
      86             :     }
      87             :     case kARGB4444:
      88             :     case kRGB565:
      89             :     case kARGB1555:
      90             :     case kYUY2:
      91             :     case kUYVY:
      92           0 :       buffer_size = width * height * 2;
      93           0 :       break;
      94             :     case kRGB24:
      95           0 :       buffer_size = width * height * 3;
      96           0 :       break;
      97             :     case kBGRA:
      98             :     case kARGB:
      99           0 :       buffer_size = width * height * 4;
     100           0 :       break;
     101             :     default:
     102           0 :       RTC_NOTREACHED();
     103           0 :       break;
     104             :   }
     105           0 :   return buffer_size;
     106             : }
     107             : 
     108           0 : static int PrintPlane(const uint8_t* buf,
     109             :                       int width,
     110             :                       int height,
     111             :                       int stride,
     112             :                       FILE* file) {
     113           0 :   for (int i = 0; i < height; i++, buf += stride) {
     114           0 :     if (fwrite(buf, 1, width, file) != static_cast<unsigned int>(width))
     115           0 :       return -1;
     116             :   }
     117           0 :   return 0;
     118             : }
     119             : 
     120             : // TODO(nisse): Belongs with the test code?
     121           0 : int PrintVideoFrame(const VideoFrameBuffer& frame, FILE* file) {
     122           0 :   int width = frame.width();
     123           0 :   int height = frame.height();
     124           0 :   int chroma_width = (width + 1) / 2;
     125           0 :   int chroma_height = (height + 1) / 2;
     126             : 
     127           0 :   if (PrintPlane(frame.DataY(), width, height,
     128           0 :                  frame.StrideY(), file) < 0) {
     129           0 :     return -1;
     130             :   }
     131           0 :   if (PrintPlane(frame.DataU(),
     132             :                  chroma_width, chroma_height,
     133           0 :                  frame.StrideU(), file) < 0) {
     134           0 :     return -1;
     135             :   }
     136           0 :   if (PrintPlane(frame.DataV(),
     137             :                  chroma_width, chroma_height,
     138           0 :                  frame.StrideV(), file) < 0) {
     139           0 :     return -1;
     140             :   }
     141           0 :   return 0;
     142             : }
     143             : 
     144           0 : int PrintVideoFrame(const VideoFrame& frame, FILE* file) {
     145           0 :   return PrintVideoFrame(*frame.video_frame_buffer(), file);
     146             : }
     147             : 
     148           0 : int ExtractBuffer(const rtc::scoped_refptr<VideoFrameBuffer>& input_frame,
     149             :                   size_t size,
     150             :                   uint8_t* buffer) {
     151           0 :   RTC_DCHECK(buffer);
     152           0 :   if (!input_frame)
     153           0 :     return -1;
     154           0 :   int width = input_frame->width();
     155           0 :   int height = input_frame->height();
     156           0 :   size_t length = CalcBufferSize(kI420, width, height);
     157           0 :   if (size < length) {
     158           0 :      return -1;
     159             :   }
     160             : 
     161           0 :   int chroma_width = (width + 1) / 2;
     162           0 :   int chroma_height = (height + 1) / 2;
     163             : 
     164           0 :   libyuv::I420Copy(input_frame->DataY(),
     165           0 :                    input_frame->StrideY(),
     166           0 :                    input_frame->DataU(),
     167           0 :                    input_frame->StrideU(),
     168           0 :                    input_frame->DataV(),
     169           0 :                    input_frame->StrideV(),
     170             :                    buffer, width,
     171           0 :                    buffer + width*height, chroma_width,
     172           0 :                    buffer + width*height + chroma_width*chroma_height,
     173             :                    chroma_width,
     174           0 :                    width, height);
     175             : 
     176           0 :   return static_cast<int>(length);
     177             : }
     178             : 
     179           0 : int ExtractBuffer(const VideoFrame& input_frame, size_t size, uint8_t* buffer) {
     180           0 :   return ExtractBuffer(input_frame.video_frame_buffer(), size, buffer);
     181             : }
     182             : 
     183           0 : int ConvertNV12ToRGB565(const uint8_t* src_frame,
     184             :                         uint8_t* dst_frame,
     185             :                         int width, int height) {
     186           0 :   int abs_height = (height < 0) ? -height : height;
     187           0 :   const uint8_t* yplane = src_frame;
     188           0 :   const uint8_t* uvInterlaced = src_frame + (width * abs_height);
     189             : 
     190           0 :   return libyuv::NV12ToRGB565(yplane, width,
     191           0 :                               uvInterlaced, (width + 1) >> 1,
     192             :                               dst_frame, width,
     193           0 :                               width, height);
     194             : }
     195             : 
     196           0 : int ConvertRGB24ToARGB(const uint8_t* src_frame, uint8_t* dst_frame,
     197             :                        int width, int height, int dst_stride) {
     198           0 :   if (dst_stride == 0)
     199           0 :     dst_stride = width;
     200             :   return libyuv::RGB24ToARGB(src_frame, width,
     201             :                              dst_frame, dst_stride,
     202           0 :                              width, height);
     203             : }
     204             : 
     205           0 : libyuv::RotationMode ConvertRotationMode(VideoRotation rotation) {
     206           0 :   switch (rotation) {
     207             :     case kVideoRotation_0:
     208           0 :       return libyuv::kRotate0;
     209             :     case kVideoRotation_90:
     210           0 :       return libyuv::kRotate90;
     211             :     case kVideoRotation_180:
     212           0 :       return libyuv::kRotate180;
     213             :     case kVideoRotation_270:
     214           0 :       return libyuv::kRotate270;
     215             :   }
     216           0 :   RTC_NOTREACHED();
     217           0 :   return libyuv::kRotate0;
     218             : }
     219             : 
     220           0 : int ConvertVideoType(VideoType video_type) {
     221           0 :   switch (video_type) {
     222             :     case kUnknown:
     223           0 :       return libyuv::FOURCC_ANY;
     224             :     case  kI420:
     225           0 :       return libyuv::FOURCC_I420;
     226             :     case kIYUV:  // same as KYV12
     227             :     case kYV12:
     228           0 :       return libyuv::FOURCC_YV12;
     229             :     case kRGB24:
     230           0 :       return libyuv::FOURCC_24BG;
     231             :     case kABGR:
     232           0 :       return libyuv::FOURCC_ABGR;
     233             :     case kRGB565:
     234           0 :       return libyuv::FOURCC_RGBP;
     235             :     case kYUY2:
     236           0 :       return libyuv::FOURCC_YUY2;
     237             :     case kUYVY:
     238           0 :       return libyuv::FOURCC_UYVY;
     239             :     case kMJPG:
     240           0 :       return libyuv::FOURCC_MJPG;
     241             :     case kNV21:
     242           0 :       return libyuv::FOURCC_NV21;
     243             :     case kNV12:
     244           0 :       return libyuv::FOURCC_NV12;
     245             :     case kARGB:
     246           0 :       return libyuv::FOURCC_ARGB;
     247             :     case kBGRA:
     248           0 :       return libyuv::FOURCC_BGRA;
     249             :     case kARGB4444:
     250           0 :       return libyuv::FOURCC_R444;
     251             :     case kARGB1555:
     252           0 :       return libyuv::FOURCC_RGBO;
     253             :   }
     254           0 :   RTC_NOTREACHED();
     255           0 :   return libyuv::FOURCC_ANY;
     256             : }
     257             : 
     258             : // TODO(nisse): Delete this wrapper, let callers use libyuv directly.
     259           0 : int ConvertToI420(VideoType src_video_type,
     260             :                   const uint8_t* src_frame,
     261             :                   int crop_x,
     262             :                   int crop_y,
     263             :                   int src_width,
     264             :                   int src_height,
     265             :                   size_t sample_size,
     266             :                   VideoRotation rotation,
     267             :                   I420Buffer* dst_buffer) {
     268           0 :   int dst_width = dst_buffer->width();
     269           0 :   int dst_height = dst_buffer->height();
     270             :   // LibYuv expects pre-rotation values for dst.
     271             :   // Stride values should correspond to the destination values.
     272           0 :   if (rotation == kVideoRotation_90 || rotation == kVideoRotation_270) {
     273           0 :     std::swap(dst_width, dst_height);
     274             :   }
     275           0 :   return libyuv::ConvertToI420(
     276             :       src_frame, sample_size,
     277           0 :       dst_buffer->MutableDataY(), dst_buffer->StrideY(),
     278           0 :       dst_buffer->MutableDataU(), dst_buffer->StrideU(),
     279           0 :       dst_buffer->MutableDataV(), dst_buffer->StrideV(),
     280             :       crop_x, crop_y,
     281             :       src_width, src_height,
     282             :       dst_width, dst_height,
     283             :       ConvertRotationMode(rotation),
     284           0 :       ConvertVideoType(src_video_type));
     285             : }
     286             : 
     287           0 : int ConvertFromI420(const VideoFrame& src_frame,
     288             :                     VideoType dst_video_type,
     289             :                     int dst_sample_size,
     290             :                     uint8_t* dst_frame) {
     291           0 :   return libyuv::ConvertFromI420(
     292           0 :       src_frame.video_frame_buffer()->DataY(),
     293           0 :       src_frame.video_frame_buffer()->StrideY(),
     294           0 :       src_frame.video_frame_buffer()->DataU(),
     295           0 :       src_frame.video_frame_buffer()->StrideU(),
     296           0 :       src_frame.video_frame_buffer()->DataV(),
     297           0 :       src_frame.video_frame_buffer()->StrideV(),
     298             :       dst_frame, dst_sample_size,
     299             :       src_frame.width(), src_frame.height(),
     300           0 :       ConvertVideoType(dst_video_type));
     301             : }
     302             : 
     303             : // Compute PSNR for an I420 frame (all planes)
     304           0 : double I420PSNR(const VideoFrameBuffer& ref_buffer,
     305             :                 const VideoFrameBuffer& test_buffer) {
     306           0 :   if ((ref_buffer.width() != test_buffer.width()) ||
     307           0 :       (ref_buffer.height() != test_buffer.height()))
     308           0 :     return -1;
     309           0 :   else if (ref_buffer.width() < 0 || ref_buffer.height() < 0)
     310           0 :     return -1;
     311             : 
     312           0 :   double psnr = libyuv::I420Psnr(ref_buffer.DataY(), ref_buffer.StrideY(),
     313           0 :                                  ref_buffer.DataU(), ref_buffer.StrideU(),
     314           0 :                                  ref_buffer.DataV(), ref_buffer.StrideV(),
     315           0 :                                  test_buffer.DataY(), test_buffer.StrideY(),
     316           0 :                                  test_buffer.DataU(), test_buffer.StrideU(),
     317           0 :                                  test_buffer.DataV(), test_buffer.StrideV(),
     318           0 :                                  test_buffer.width(), test_buffer.height());
     319             :   // LibYuv sets the max psnr value to 128, we restrict it here.
     320             :   // In case of 0 mse in one frame, 128 can skew the results significantly.
     321           0 :   return (psnr > kPerfectPSNR) ? kPerfectPSNR : psnr;
     322             : }
     323             : 
     324             : // Compute PSNR for an I420 frame (all planes)
     325           0 : double I420PSNR(const VideoFrame* ref_frame, const VideoFrame* test_frame) {
     326           0 :   if (!ref_frame || !test_frame)
     327           0 :     return -1;
     328           0 :   return I420PSNR(*ref_frame->video_frame_buffer(),
     329           0 :                   *test_frame->video_frame_buffer());
     330             : }
     331             : 
     332             : // Compute SSIM for an I420 frame (all planes)
     333           0 : double I420SSIM(const VideoFrameBuffer& ref_buffer,
     334             :                 const VideoFrameBuffer& test_buffer) {
     335           0 :   if ((ref_buffer.width() != test_buffer.width()) ||
     336           0 :       (ref_buffer.height() != test_buffer.height()))
     337           0 :     return -1;
     338           0 :   else if (ref_buffer.width() < 0 || ref_buffer.height() < 0)
     339           0 :     return -1;
     340             : 
     341           0 :   return libyuv::I420Ssim(ref_buffer.DataY(), ref_buffer.StrideY(),
     342           0 :                           ref_buffer.DataU(), ref_buffer.StrideU(),
     343           0 :                           ref_buffer.DataV(), ref_buffer.StrideV(),
     344           0 :                           test_buffer.DataY(), test_buffer.StrideY(),
     345           0 :                           test_buffer.DataU(), test_buffer.StrideU(),
     346           0 :                           test_buffer.DataV(), test_buffer.StrideV(),
     347           0 :                           test_buffer.width(), test_buffer.height());
     348             : }
     349           0 : double I420SSIM(const VideoFrame* ref_frame, const VideoFrame* test_frame) {
     350           0 :   if (!ref_frame || !test_frame)
     351           0 :     return -1;
     352           0 :   return I420SSIM(*ref_frame->video_frame_buffer(),
     353           0 :                   *test_frame->video_frame_buffer());
     354             : }
     355             : 
     356           0 : void NV12Scale(std::vector<uint8_t>* tmp_buffer,
     357             :                const uint8_t* src_y, int src_stride_y,
     358             :                const uint8_t* src_uv, int src_stride_uv,
     359             :                int src_width, int src_height,
     360             :                uint8_t* dst_y, int dst_stride_y,
     361             :                uint8_t* dst_uv, int dst_stride_uv,
     362             :                int dst_width, int dst_height) {
     363           0 :   const int src_chroma_width = (src_width + 1) / 2;
     364           0 :   const int src_chroma_height = (src_height + 1) / 2;
     365             : 
     366           0 :   if (src_width == dst_width && src_height == dst_height) {
     367             :     // No scaling.
     368           0 :     tmp_buffer->clear();
     369           0 :     tmp_buffer->shrink_to_fit();
     370             :     libyuv::CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, src_width,
     371           0 :                       src_height);
     372           0 :     libyuv::CopyPlane(src_uv, src_stride_uv, dst_uv, dst_stride_uv,
     373           0 :                       src_chroma_width * 2, src_chroma_height);
     374           0 :     return;
     375             :   }
     376             : 
     377             :   // Scaling.
     378             :   // Allocate temporary memory for spitting UV planes and scaling them.
     379           0 :   const int dst_chroma_width = (dst_width + 1) / 2;
     380           0 :   const int dst_chroma_height = (dst_height + 1) / 2;
     381           0 :   tmp_buffer->resize(src_chroma_width * src_chroma_height * 2 +
     382           0 :                      dst_chroma_width * dst_chroma_height * 2);
     383           0 :   tmp_buffer->shrink_to_fit();
     384             : 
     385           0 :   uint8_t* const src_u = tmp_buffer->data();
     386           0 :   uint8_t* const src_v = src_u + src_chroma_width * src_chroma_height;
     387           0 :   uint8_t* const dst_u = src_v + src_chroma_width * src_chroma_height;
     388           0 :   uint8_t* const dst_v = dst_u + dst_chroma_width * dst_chroma_height;
     389             : 
     390             :   // Split source UV plane into separate U and V plane using the temporary data.
     391             :   libyuv::SplitUVPlane(src_uv, src_stride_uv,
     392             :                        src_u, src_chroma_width,
     393             :                        src_v, src_chroma_width,
     394           0 :                        src_chroma_width, src_chroma_height);
     395             : 
     396             :   // Scale the planes.
     397             :   libyuv::I420Scale(src_y, src_stride_y,
     398             :                     src_u, src_chroma_width,
     399             :                     src_v, src_chroma_width,
     400             :                     src_width, src_height,
     401             :                     dst_y, dst_stride_y,
     402             :                     dst_u, dst_chroma_width,
     403             :                     dst_v, dst_chroma_width,
     404             :                     dst_width, dst_height,
     405           0 :                     libyuv::kFilterBox);
     406             : 
     407             :   // Merge the UV planes into the destination.
     408             :   libyuv::MergeUVPlane(dst_u, dst_chroma_width,
     409             :                        dst_v, dst_chroma_width,
     410             :                        dst_uv, dst_stride_uv,
     411           0 :                        dst_chroma_width, dst_chroma_height);
     412             : }
     413             : 
     414           0 : void NV12ToI420Scaler::NV12ToI420Scale(
     415             :     const uint8_t* src_y, int src_stride_y,
     416             :     const uint8_t* src_uv, int src_stride_uv,
     417             :     int src_width, int src_height,
     418             :     uint8_t* dst_y, int dst_stride_y,
     419             :     uint8_t* dst_u, int dst_stride_u,
     420             :     uint8_t* dst_v, int dst_stride_v,
     421             :     int dst_width, int dst_height) {
     422           0 :   if (src_width == dst_width && src_height == dst_height) {
     423             :     // No scaling.
     424           0 :     tmp_uv_planes_.clear();
     425           0 :     tmp_uv_planes_.shrink_to_fit();
     426             :     libyuv::NV12ToI420(
     427             :         src_y, src_stride_y,
     428             :         src_uv, src_stride_uv,
     429             :         dst_y, dst_stride_y,
     430             :         dst_u, dst_stride_u,
     431             :         dst_v, dst_stride_v,
     432           0 :         src_width, src_height);
     433           0 :     return;
     434             :   }
     435             : 
     436             :   // Scaling.
     437             :   // Allocate temporary memory for spitting UV planes.
     438           0 :   const int src_uv_width = (src_width + 1) / 2;
     439           0 :   const int src_uv_height = (src_height + 1) / 2;
     440           0 :   tmp_uv_planes_.resize(src_uv_width * src_uv_height * 2);
     441           0 :   tmp_uv_planes_.shrink_to_fit();
     442             : 
     443             :   // Split source UV plane into separate U and V plane using the temporary data.
     444           0 :   uint8_t* const src_u = tmp_uv_planes_.data();
     445           0 :   uint8_t* const src_v = tmp_uv_planes_.data() + src_uv_width * src_uv_height;
     446             :   libyuv::SplitUVPlane(src_uv, src_stride_uv,
     447             :                        src_u, src_uv_width,
     448             :                        src_v, src_uv_width,
     449           0 :                        src_uv_width, src_uv_height);
     450             : 
     451             :   // Scale the planes into the destination.
     452             :   libyuv::I420Scale(src_y, src_stride_y,
     453             :                     src_u, src_uv_width,
     454             :                     src_v, src_uv_width,
     455             :                     src_width, src_height,
     456             :                     dst_y, dst_stride_y,
     457             :                     dst_u, dst_stride_u,
     458             :                     dst_v, dst_stride_v,
     459             :                     dst_width, dst_height,
     460           0 :                     libyuv::kFilterBox);
     461             : }
     462             : 
     463             : }  // namespace webrtc

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