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author | Android Build Coastguard Worker <android-build-coastguard-worker@google.com> | 2024-05-03 23:31:35 +0000 |
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committer | Android Build Coastguard Worker <android-build-coastguard-worker@google.com> | 2024-05-03 23:31:35 +0000 |
commit | a270e88f71c875f86ebc612ff3232b204bbc75c9 (patch) | |
tree | 7aa355fd0b89ec0b2611e17ee84a14c6fa449e22 /files/source/convert_to_i420.cc | |
parent | ad14b7e1bb4ad1db3cc083b70c9179f86b2e2052 (diff) | |
parent | 488a2af021e3e7473f083a9435b1472c0d411f3d (diff) | |
download | libyuv-a270e88f71c875f86ebc612ff3232b204bbc75c9.tar.gz |
Snap for 11801295 from 488a2af021e3e7473f083a9435b1472c0d411f3d to androidx-glance-release
Change-Id: I3077bd50d33b182256e4b81ad00b363520d213fd
Diffstat (limited to 'files/source/convert_to_i420.cc')
-rw-r--r-- | files/source/convert_to_i420.cc | 280 |
1 files changed, 0 insertions, 280 deletions
diff --git a/files/source/convert_to_i420.cc b/files/source/convert_to_i420.cc deleted file mode 100644 index 5869ecd7..00000000 --- a/files/source/convert_to_i420.cc +++ /dev/null @@ -1,280 +0,0 @@ -/* - * Copyright 2011 The LibYuv Project Authors. All rights reserved. - * - * Use of this source code is governed by a BSD-style license - * that can be found in the LICENSE file in the root of the source - * tree. An additional intellectual property rights grant can be found - * in the file PATENTS. All contributing project authors may - * be found in the AUTHORS file in the root of the source tree. - */ - -#include <stdlib.h> - -#include "libyuv/convert.h" - -#include "libyuv/video_common.h" - -#ifdef __cplusplus -namespace libyuv { -extern "C" { -#endif - -// Convert camera sample to I420 with cropping, rotation and vertical flip. -// src_width is used for source stride computation -// src_height is used to compute location of planes, and indicate inversion -// sample_size is measured in bytes and is the size of the frame. -// With MJPEG it is the compressed size of the frame. -LIBYUV_API -int ConvertToI420(const uint8_t* sample, - size_t sample_size, - uint8_t* dst_y, - int dst_stride_y, - uint8_t* dst_u, - int dst_stride_u, - uint8_t* dst_v, - int dst_stride_v, - int crop_x, - int crop_y, - int src_width, - int src_height, - int crop_width, - int crop_height, - enum RotationMode rotation, - uint32_t fourcc) { - uint32_t format = CanonicalFourCC(fourcc); - int aligned_src_width = (src_width + 1) & ~1; - const uint8_t* src; - const uint8_t* src_uv; - const int abs_src_height = (src_height < 0) ? -src_height : src_height; - // TODO(nisse): Why allow crop_height < 0? - const int abs_crop_height = (crop_height < 0) ? -crop_height : crop_height; - int r = 0; - LIBYUV_BOOL need_buf = - (rotation && format != FOURCC_I420 && format != FOURCC_NV12 && - format != FOURCC_NV21 && format != FOURCC_YV12) || - dst_y == sample; - uint8_t* tmp_y = dst_y; - uint8_t* tmp_u = dst_u; - uint8_t* tmp_v = dst_v; - int tmp_y_stride = dst_stride_y; - int tmp_u_stride = dst_stride_u; - int tmp_v_stride = dst_stride_v; - uint8_t* rotate_buffer = NULL; - const int inv_crop_height = - (src_height < 0) ? -abs_crop_height : abs_crop_height; - - if (!dst_y || !dst_u || !dst_v || !sample || src_width <= 0 || - crop_width <= 0 || src_height == 0 || crop_height == 0) { - return -1; - } - - // One pass rotation is available for some formats. For the rest, convert - // to I420 (with optional vertical flipping) into a temporary I420 buffer, - // and then rotate the I420 to the final destination buffer. - // For in-place conversion, if destination dst_y is same as source sample, - // also enable temporary buffer. - if (need_buf) { - int y_size = crop_width * abs_crop_height; - int uv_size = ((crop_width + 1) / 2) * ((abs_crop_height + 1) / 2); - rotate_buffer = (uint8_t*)malloc(y_size + uv_size * 2); /* NOLINT */ - if (!rotate_buffer) { - return 1; // Out of memory runtime error. - } - dst_y = rotate_buffer; - dst_u = dst_y + y_size; - dst_v = dst_u + uv_size; - dst_stride_y = crop_width; - dst_stride_u = dst_stride_v = ((crop_width + 1) / 2); - } - - switch (format) { - // Single plane formats - case FOURCC_YUY2: { // TODO(fbarchard): Find better odd crop fix. - uint8_t* u = (crop_x & 1) ? dst_v : dst_u; - uint8_t* v = (crop_x & 1) ? dst_u : dst_v; - int stride_u = (crop_x & 1) ? dst_stride_v : dst_stride_u; - int stride_v = (crop_x & 1) ? dst_stride_u : dst_stride_v; - src = sample + (aligned_src_width * crop_y + crop_x) * 2; - r = YUY2ToI420(src, aligned_src_width * 2, dst_y, dst_stride_y, u, - stride_u, v, stride_v, crop_width, inv_crop_height); - break; - } - case FOURCC_UYVY: { - uint8_t* u = (crop_x & 1) ? dst_v : dst_u; - uint8_t* v = (crop_x & 1) ? dst_u : dst_v; - int stride_u = (crop_x & 1) ? dst_stride_v : dst_stride_u; - int stride_v = (crop_x & 1) ? dst_stride_u : dst_stride_v; - src = sample + (aligned_src_width * crop_y + crop_x) * 2; - r = UYVYToI420(src, aligned_src_width * 2, dst_y, dst_stride_y, u, - stride_u, v, stride_v, crop_width, inv_crop_height); - break; - } - case FOURCC_RGBP: - src = sample + (src_width * crop_y + crop_x) * 2; - r = RGB565ToI420(src, src_width * 2, dst_y, dst_stride_y, dst_u, - dst_stride_u, dst_v, dst_stride_v, crop_width, - inv_crop_height); - break; - case FOURCC_RGBO: - src = sample + (src_width * crop_y + crop_x) * 2; - r = ARGB1555ToI420(src, src_width * 2, dst_y, dst_stride_y, dst_u, - dst_stride_u, dst_v, dst_stride_v, crop_width, - inv_crop_height); - break; - case FOURCC_R444: - src = sample + (src_width * crop_y + crop_x) * 2; - r = ARGB4444ToI420(src, src_width * 2, dst_y, dst_stride_y, dst_u, - dst_stride_u, dst_v, dst_stride_v, crop_width, - inv_crop_height); - break; - case FOURCC_24BG: - src = sample + (src_width * crop_y + crop_x) * 3; - r = RGB24ToI420(src, src_width * 3, dst_y, dst_stride_y, dst_u, - dst_stride_u, dst_v, dst_stride_v, crop_width, - inv_crop_height); - break; - case FOURCC_RAW: - src = sample + (src_width * crop_y + crop_x) * 3; - r = RAWToI420(src, src_width * 3, dst_y, dst_stride_y, dst_u, - dst_stride_u, dst_v, dst_stride_v, crop_width, - inv_crop_height); - break; - case FOURCC_ARGB: - src = sample + (src_width * crop_y + crop_x) * 4; - r = ARGBToI420(src, src_width * 4, dst_y, dst_stride_y, dst_u, - dst_stride_u, dst_v, dst_stride_v, crop_width, - inv_crop_height); - break; - case FOURCC_BGRA: - src = sample + (src_width * crop_y + crop_x) * 4; - r = BGRAToI420(src, src_width * 4, dst_y, dst_stride_y, dst_u, - dst_stride_u, dst_v, dst_stride_v, crop_width, - inv_crop_height); - break; - case FOURCC_ABGR: - src = sample + (src_width * crop_y + crop_x) * 4; - r = ABGRToI420(src, src_width * 4, dst_y, dst_stride_y, dst_u, - dst_stride_u, dst_v, dst_stride_v, crop_width, - inv_crop_height); - break; - case FOURCC_RGBA: - src = sample + (src_width * crop_y + crop_x) * 4; - r = RGBAToI420(src, src_width * 4, dst_y, dst_stride_y, dst_u, - dst_stride_u, dst_v, dst_stride_v, crop_width, - inv_crop_height); - break; - // TODO(fbarchard): Add AR30 and AB30 - case FOURCC_I400: - src = sample + src_width * crop_y + crop_x; - r = I400ToI420(src, src_width, dst_y, dst_stride_y, dst_u, dst_stride_u, - dst_v, dst_stride_v, crop_width, inv_crop_height); - break; - // Biplanar formats - case FOURCC_NV12: - src = sample + (src_width * crop_y + crop_x); - src_uv = sample + (src_width * abs_src_height) + - ((crop_y / 2) * aligned_src_width) + ((crop_x / 2) * 2); - r = NV12ToI420Rotate(src, src_width, src_uv, aligned_src_width, dst_y, - dst_stride_y, dst_u, dst_stride_u, dst_v, - dst_stride_v, crop_width, inv_crop_height, rotation); - break; - case FOURCC_NV21: - src = sample + (src_width * crop_y + crop_x); - src_uv = sample + (src_width * abs_src_height) + - ((crop_y / 2) * aligned_src_width) + ((crop_x / 2) * 2); - // Call NV12 but with dst_u and dst_v parameters swapped. - r = NV12ToI420Rotate(src, src_width, src_uv, aligned_src_width, dst_y, - dst_stride_y, dst_v, dst_stride_v, dst_u, - dst_stride_u, crop_width, inv_crop_height, rotation); - break; - // Triplanar formats - case FOURCC_I420: - case FOURCC_YV12: { - const uint8_t* src_y = sample + (src_width * crop_y + crop_x); - const uint8_t* src_u; - const uint8_t* src_v; - int halfwidth = (src_width + 1) / 2; - int halfheight = (abs_src_height + 1) / 2; - if (format == FOURCC_YV12) { - src_v = sample + src_width * abs_src_height + halfwidth * (crop_y / 2) + - (crop_x / 2); - src_u = sample + src_width * abs_src_height + - halfwidth * (halfheight + (crop_y / 2)) + (crop_x / 2); - } else { - src_u = sample + src_width * abs_src_height + halfwidth * (crop_y / 2) + - (crop_x / 2); - src_v = sample + src_width * abs_src_height + - halfwidth * (halfheight + (crop_y / 2)) + (crop_x / 2); - } - r = I420Rotate(src_y, src_width, src_u, halfwidth, src_v, halfwidth, - dst_y, dst_stride_y, dst_u, dst_stride_u, dst_v, - dst_stride_v, crop_width, inv_crop_height, rotation); - break; - } - case FOURCC_I422: - case FOURCC_YV16: { - const uint8_t* src_y = sample + src_width * crop_y + crop_x; - const uint8_t* src_u; - const uint8_t* src_v; - int halfwidth = (src_width + 1) / 2; - if (format == FOURCC_YV16) { - src_v = sample + src_width * abs_src_height + halfwidth * crop_y + - (crop_x / 2); - src_u = sample + src_width * abs_src_height + - halfwidth * (abs_src_height + crop_y) + (crop_x / 2); - } else { - src_u = sample + src_width * abs_src_height + halfwidth * crop_y + - (crop_x / 2); - src_v = sample + src_width * abs_src_height + - halfwidth * (abs_src_height + crop_y) + (crop_x / 2); - } - r = I422ToI420(src_y, src_width, src_u, halfwidth, src_v, halfwidth, - dst_y, dst_stride_y, dst_u, dst_stride_u, dst_v, - dst_stride_v, crop_width, inv_crop_height); - break; - } - case FOURCC_I444: - case FOURCC_YV24: { - const uint8_t* src_y = sample + src_width * crop_y + crop_x; - const uint8_t* src_u; - const uint8_t* src_v; - if (format == FOURCC_YV24) { - src_v = sample + src_width * (abs_src_height + crop_y) + crop_x; - src_u = sample + src_width * (abs_src_height * 2 + crop_y) + crop_x; - } else { - src_u = sample + src_width * (abs_src_height + crop_y) + crop_x; - src_v = sample + src_width * (abs_src_height * 2 + crop_y) + crop_x; - } - r = I444ToI420(src_y, src_width, src_u, src_width, src_v, src_width, - dst_y, dst_stride_y, dst_u, dst_stride_u, dst_v, - dst_stride_v, crop_width, inv_crop_height); - break; - } -#ifdef HAVE_JPEG - case FOURCC_MJPG: - r = MJPGToI420(sample, sample_size, dst_y, dst_stride_y, dst_u, - dst_stride_u, dst_v, dst_stride_v, src_width, - abs_src_height, crop_width, inv_crop_height); - break; -#endif - default: - r = -1; // unknown fourcc - return failure code. - } - - if (need_buf) { - if (!r) { - r = I420Rotate(dst_y, dst_stride_y, dst_u, dst_stride_u, dst_v, - dst_stride_v, tmp_y, tmp_y_stride, tmp_u, tmp_u_stride, - tmp_v, tmp_v_stride, crop_width, abs_crop_height, - rotation); - } - free(rotate_buffer); - } - - return r; -} - -#ifdef __cplusplus -} // extern "C" -} // namespace libyuv -#endif |