michael@0: /*
michael@0:  *  Copyright 2011 The LibYuv Project Authors. All rights reserved.
michael@0:  *
michael@0:  *  Use of this source code is governed by a BSD-style license
michael@0:  *  that can be found in the LICENSE file in the root of the source
michael@0:  *  tree. An additional intellectual property rights grant can be found
michael@0:  *  in the file PATENTS. All contributing project authors may
michael@0:  *  be found in the AUTHORS file in the root of the source tree.
michael@0:  */
michael@0: 
michael@0: #include "libyuv/convert_argb.h"
michael@0: 
michael@0: #include "libyuv/cpu_id.h"
michael@0: #include "libyuv/format_conversion.h"
michael@0: #ifdef HAVE_JPEG
michael@0: #include "libyuv/mjpeg_decoder.h"
michael@0: #endif
michael@0: #include "libyuv/rotate_argb.h"
michael@0: #include "libyuv/row.h"
michael@0: #include "libyuv/video_common.h"
michael@0: 
michael@0: #ifdef __cplusplus
michael@0: namespace libyuv {
michael@0: extern "C" {
michael@0: #endif
michael@0: 
michael@0: // Convert camera sample to I420 with cropping, rotation and vertical flip.
michael@0: // src_width is used for source stride computation
michael@0: // src_height is used to compute location of planes, and indicate inversion
michael@0: // sample_size is measured in bytes and is the size of the frame.
michael@0: //   With MJPEG it is the compressed size of the frame.
michael@0: LIBYUV_API
michael@0: int ConvertToARGB(const uint8* sample, size_t sample_size,
michael@0:                   uint8* crop_argb, int argb_stride,
michael@0:                   int crop_x, int crop_y,
michael@0:                   int src_width, int src_height,
michael@0:                   int crop_width, int crop_height,
michael@0:                   enum RotationMode rotation,
michael@0:                   uint32 fourcc) {
michael@0:   uint32 format = CanonicalFourCC(fourcc);
michael@0:   int aligned_src_width = (src_width + 1) & ~1;
michael@0:   const uint8* src;
michael@0:   const uint8* src_uv;
michael@0:   int abs_src_height = (src_height < 0) ? -src_height : src_height;
michael@0:   int inv_crop_height = (crop_height < 0) ? -crop_height : crop_height;
michael@0:   int r = 0;
michael@0: 
michael@0:   // One pass rotation is available for some formats. For the rest, convert
michael@0:   // to I420 (with optional vertical flipping) into a temporary I420 buffer,
michael@0:   // and then rotate the I420 to the final destination buffer.
michael@0:   // For in-place conversion, if destination crop_argb is same as source sample,
michael@0:   // also enable temporary buffer.
michael@0:   LIBYUV_BOOL need_buf = (rotation && format != FOURCC_ARGB) ||
michael@0:       crop_argb == sample;
michael@0:   uint8* tmp_argb = crop_argb;
michael@0:   int tmp_argb_stride = argb_stride;
michael@0:   uint8* rotate_buffer = NULL;
michael@0:   int abs_crop_height = (crop_height < 0) ? -crop_height : crop_height;
michael@0: 
michael@0:   if (crop_argb == NULL || sample == NULL ||
michael@0:       src_width <= 0 || crop_width <= 0 ||
michael@0:       src_height == 0 || crop_height == 0) {
michael@0:     return -1;
michael@0:   }
michael@0:   if (src_height < 0) {
michael@0:     inv_crop_height = -inv_crop_height;
michael@0:   }
michael@0: 
michael@0:   if (need_buf) {
michael@0:     int argb_size = crop_width * abs_crop_height * 4;
michael@0:     rotate_buffer = (uint8*)malloc(argb_size);
michael@0:     if (!rotate_buffer) {
michael@0:       return 1;  // Out of memory runtime error.
michael@0:     }
michael@0:     crop_argb = rotate_buffer;
michael@0:     argb_stride = crop_width;
michael@0:   }
michael@0: 
michael@0:   switch (format) {
michael@0:     // Single plane formats
michael@0:     case FOURCC_YUY2:
michael@0:       src = sample + (aligned_src_width * crop_y + crop_x) * 2;
michael@0:       r = YUY2ToARGB(src, aligned_src_width * 2,
michael@0:                      crop_argb, argb_stride,
michael@0:                      crop_width, inv_crop_height);
michael@0:       break;
michael@0:     case FOURCC_UYVY:
michael@0:       src = sample + (aligned_src_width * crop_y + crop_x) * 2;
michael@0:       r = UYVYToARGB(src, aligned_src_width * 2,
michael@0:                      crop_argb, argb_stride,
michael@0:                      crop_width, inv_crop_height);
michael@0:       break;
michael@0:     case FOURCC_24BG:
michael@0:       src = sample + (src_width * crop_y + crop_x) * 3;
michael@0:       r = RGB24ToARGB(src, src_width * 3,
michael@0:                       crop_argb, argb_stride,
michael@0:                       crop_width, inv_crop_height);
michael@0:       break;
michael@0:     case FOURCC_RAW:
michael@0:       src = sample + (src_width * crop_y + crop_x) * 3;
michael@0:       r = RAWToARGB(src, src_width * 3,
michael@0:                     crop_argb, argb_stride,
michael@0:                     crop_width, inv_crop_height);
michael@0:       break;
michael@0:     case FOURCC_ARGB:
michael@0:       src = sample + (src_width * crop_y + crop_x) * 4;
michael@0:       r = ARGBToARGB(src, src_width * 4,
michael@0:                      crop_argb, argb_stride,
michael@0:                      crop_width, inv_crop_height);
michael@0:       break;
michael@0:     case FOURCC_BGRA:
michael@0:       src = sample + (src_width * crop_y + crop_x) * 4;
michael@0:       r = BGRAToARGB(src, src_width * 4,
michael@0:                      crop_argb, argb_stride,
michael@0:                      crop_width, inv_crop_height);
michael@0:       break;
michael@0:     case FOURCC_ABGR:
michael@0:       src = sample + (src_width * crop_y + crop_x) * 4;
michael@0:       r = ABGRToARGB(src, src_width * 4,
michael@0:                      crop_argb, argb_stride,
michael@0:                      crop_width, inv_crop_height);
michael@0:       break;
michael@0:     case FOURCC_RGBA:
michael@0:       src = sample + (src_width * crop_y + crop_x) * 4;
michael@0:       r = RGBAToARGB(src, src_width * 4,
michael@0:                      crop_argb, argb_stride,
michael@0:                      crop_width, inv_crop_height);
michael@0:       break;
michael@0:     case FOURCC_RGBP:
michael@0:       src = sample + (src_width * crop_y + crop_x) * 2;
michael@0:       r = RGB565ToARGB(src, src_width * 2,
michael@0:                        crop_argb, argb_stride,
michael@0:                        crop_width, inv_crop_height);
michael@0:       break;
michael@0:     case FOURCC_RGBO:
michael@0:       src = sample + (src_width * crop_y + crop_x) * 2;
michael@0:       r = ARGB1555ToARGB(src, src_width * 2,
michael@0:                          crop_argb, argb_stride,
michael@0:                          crop_width, inv_crop_height);
michael@0:       break;
michael@0:     case FOURCC_R444:
michael@0:       src = sample + (src_width * crop_y + crop_x) * 2;
michael@0:       r = ARGB4444ToARGB(src, src_width * 2,
michael@0:                          crop_argb, argb_stride,
michael@0:                          crop_width, inv_crop_height);
michael@0:       break;
michael@0:     // TODO(fbarchard): Support cropping Bayer by odd numbers
michael@0:     // by adjusting fourcc.
michael@0:     case FOURCC_BGGR:
michael@0:       src = sample + (src_width * crop_y + crop_x);
michael@0:       r = BayerBGGRToARGB(src, src_width,
michael@0:                           crop_argb, argb_stride,
michael@0:                           crop_width, inv_crop_height);
michael@0:       break;
michael@0: 
michael@0:     case FOURCC_GBRG:
michael@0:       src = sample + (src_width * crop_y + crop_x);
michael@0:       r = BayerGBRGToARGB(src, src_width,
michael@0:                           crop_argb, argb_stride,
michael@0:                           crop_width, inv_crop_height);
michael@0:       break;
michael@0: 
michael@0:     case FOURCC_GRBG:
michael@0:       src = sample + (src_width * crop_y + crop_x);
michael@0:       r = BayerGRBGToARGB(src, src_width,
michael@0:                           crop_argb, argb_stride,
michael@0:                           crop_width, inv_crop_height);
michael@0:       break;
michael@0: 
michael@0:     case FOURCC_RGGB:
michael@0:       src = sample + (src_width * crop_y + crop_x);
michael@0:       r = BayerRGGBToARGB(src, src_width,
michael@0:                           crop_argb, argb_stride,
michael@0:                           crop_width, inv_crop_height);
michael@0:       break;
michael@0: 
michael@0:     case FOURCC_I400:
michael@0:       src = sample + src_width * crop_y + crop_x;
michael@0:       r = I400ToARGB(src, src_width,
michael@0:                      crop_argb, argb_stride,
michael@0:                      crop_width, inv_crop_height);
michael@0:       break;
michael@0: 
michael@0:     // Biplanar formats
michael@0:     case FOURCC_NV12:
michael@0:       src = sample + (src_width * crop_y + crop_x);
michael@0:       src_uv = sample + aligned_src_width * (src_height + crop_y / 2) + crop_x;
michael@0:       r = NV12ToARGB(src, src_width,
michael@0:                      src_uv, aligned_src_width,
michael@0:                      crop_argb, argb_stride,
michael@0:                      crop_width, inv_crop_height);
michael@0:       break;
michael@0:     case FOURCC_NV21:
michael@0:       src = sample + (src_width * crop_y + crop_x);
michael@0:       src_uv = sample + aligned_src_width * (src_height + crop_y / 2) + crop_x;
michael@0:       // Call NV12 but with u and v parameters swapped.
michael@0:       r = NV21ToARGB(src, src_width,
michael@0:                      src_uv, aligned_src_width,
michael@0:                      crop_argb, argb_stride,
michael@0:                      crop_width, inv_crop_height);
michael@0:       break;
michael@0:     case FOURCC_M420:
michael@0:       src = sample + (src_width * crop_y) * 12 / 8 + crop_x;
michael@0:       r = M420ToARGB(src, src_width,
michael@0:                      crop_argb, argb_stride,
michael@0:                      crop_width, inv_crop_height);
michael@0:       break;
michael@0: //    case FOURCC_Q420:
michael@0: //      src = sample + (src_width + aligned_src_width * 2) * crop_y + crop_x;
michael@0: //      src_uv = sample + (src_width + aligned_src_width * 2) * crop_y +
michael@0: //               src_width + crop_x * 2;
michael@0: //      r = Q420ToARGB(src, src_width * 3,
michael@0: //                    src_uv, src_width * 3,
michael@0: //                    crop_argb, argb_stride,
michael@0: //                    crop_width, inv_crop_height);
michael@0: //      break;
michael@0:     // Triplanar formats
michael@0:     case FOURCC_I420:
michael@0:     case FOURCC_YU12:
michael@0:     case FOURCC_YV12: {
michael@0:       const uint8* src_y = sample + (src_width * crop_y + crop_x);
michael@0:       const uint8* src_u;
michael@0:       const uint8* src_v;
michael@0:       int halfwidth = (src_width + 1) / 2;
michael@0:       int halfheight = (abs_src_height + 1) / 2;
michael@0:       if (format == FOURCC_YV12) {
michael@0:         src_v = sample + src_width * abs_src_height +
michael@0:             (halfwidth * crop_y + crop_x) / 2;
michael@0:         src_u = sample + src_width * abs_src_height +
michael@0:             halfwidth * (halfheight + crop_y / 2) + crop_x / 2;
michael@0:       } else {
michael@0:         src_u = sample + src_width * abs_src_height +
michael@0:             (halfwidth * crop_y + crop_x) / 2;
michael@0:         src_v = sample + src_width * abs_src_height +
michael@0:             halfwidth * (halfheight + crop_y / 2) + crop_x / 2;
michael@0:       }
michael@0:       r = I420ToARGB(src_y, src_width,
michael@0:                      src_u, halfwidth,
michael@0:                      src_v, halfwidth,
michael@0:                      crop_argb, argb_stride,
michael@0:                      crop_width, inv_crop_height);
michael@0:       break;
michael@0:     }
michael@0:     case FOURCC_I422:
michael@0:     case FOURCC_YV16: {
michael@0:       const uint8* src_y = sample + src_width * crop_y + crop_x;
michael@0:       const uint8* src_u;
michael@0:       const uint8* src_v;
michael@0:       int halfwidth = (src_width + 1) / 2;
michael@0:       if (format == FOURCC_YV16) {
michael@0:         src_v = sample + src_width * abs_src_height +
michael@0:             halfwidth * crop_y + crop_x / 2;
michael@0:         src_u = sample + src_width * abs_src_height +
michael@0:             halfwidth * (abs_src_height + crop_y) + crop_x / 2;
michael@0:       } else {
michael@0:         src_u = sample + src_width * abs_src_height +
michael@0:             halfwidth * crop_y + crop_x / 2;
michael@0:         src_v = sample + src_width * abs_src_height +
michael@0:             halfwidth * (abs_src_height + crop_y) + crop_x / 2;
michael@0:       }
michael@0:       r = I422ToARGB(src_y, src_width,
michael@0:                      src_u, halfwidth,
michael@0:                      src_v, halfwidth,
michael@0:                      crop_argb, argb_stride,
michael@0:                      crop_width, inv_crop_height);
michael@0:       break;
michael@0:     }
michael@0:     case FOURCC_I444:
michael@0:     case FOURCC_YV24: {
michael@0:       const uint8* src_y = sample + src_width * crop_y + crop_x;
michael@0:       const uint8* src_u;
michael@0:       const uint8* src_v;
michael@0:       if (format == FOURCC_YV24) {
michael@0:         src_v = sample + src_width * (abs_src_height + crop_y) + crop_x;
michael@0:         src_u = sample + src_width * (abs_src_height * 2 + crop_y) + crop_x;
michael@0:       } else {
michael@0:         src_u = sample + src_width * (abs_src_height + crop_y) + crop_x;
michael@0:         src_v = sample + src_width * (abs_src_height * 2 + crop_y) + crop_x;
michael@0:       }
michael@0:       r = I444ToARGB(src_y, src_width,
michael@0:                      src_u, src_width,
michael@0:                      src_v, src_width,
michael@0:                      crop_argb, argb_stride,
michael@0:                      crop_width, inv_crop_height);
michael@0:       break;
michael@0:     }
michael@0:     case FOURCC_I411: {
michael@0:       int quarterwidth = (src_width + 3) / 4;
michael@0:       const uint8* src_y = sample + src_width * crop_y + crop_x;
michael@0:       const uint8* src_u = sample + src_width * abs_src_height +
michael@0:           quarterwidth * crop_y + crop_x / 4;
michael@0:       const uint8* src_v = sample + src_width * abs_src_height +
michael@0:           quarterwidth * (abs_src_height + crop_y) + crop_x / 4;
michael@0:       r = I411ToARGB(src_y, src_width,
michael@0:                      src_u, quarterwidth,
michael@0:                      src_v, quarterwidth,
michael@0:                      crop_argb, argb_stride,
michael@0:                      crop_width, inv_crop_height);
michael@0:       break;
michael@0:     }
michael@0: #ifdef HAVE_JPEG
michael@0:     case FOURCC_MJPG:
michael@0:       r = MJPGToARGB(sample, sample_size,
michael@0:                      crop_argb, argb_stride,
michael@0:                      src_width, abs_src_height, crop_width, inv_crop_height);
michael@0:       break;
michael@0: #endif
michael@0:     default:
michael@0:       r = -1;  // unknown fourcc - return failure code.
michael@0:   }
michael@0: 
michael@0:   if (need_buf) {
michael@0:     if (!r) {
michael@0:       r = ARGBRotate(crop_argb, argb_stride,
michael@0:                      tmp_argb, tmp_argb_stride,
michael@0:                      crop_width, abs_crop_height, rotation);
michael@0:     }
michael@0:     free(rotate_buffer);
michael@0:   }
michael@0: 
michael@0:   return r;
michael@0: }
michael@0: 
michael@0: #ifdef __cplusplus
michael@0: }  // extern "C"
michael@0: }  // namespace libyuv
michael@0: #endif