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Diffstat (limited to 'media/libyuv/libyuv/source/convert_to_argb.cc')
| -rw-r--r-- | media/libyuv/libyuv/source/convert_to_argb.cc | 382 |
1 files changed, 382 insertions, 0 deletions
diff --git a/media/libyuv/libyuv/source/convert_to_argb.cc b/media/libyuv/libyuv/source/convert_to_argb.cc new file mode 100644 index 0000000000..84df16c8c2 --- /dev/null +++ b/media/libyuv/libyuv/source/convert_to_argb.cc @@ -0,0 +1,382 @@ +/* + * 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 "libyuv/convert_argb.h" + +#include "libyuv/cpu_id.h" +#ifdef HAVE_JPEG +#include "libyuv/mjpeg_decoder.h" +#endif +#include "libyuv/rotate_argb.h" +#include "libyuv/row.h" +#include "libyuv/video_common.h" + +#ifdef __cplusplus +namespace libyuv { +extern "C" { +#endif + +// Convert camera sample to ARGB 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. + +// TODO(fbarchard): Add the following: +// H010ToARGB +// I010ToARGB + +LIBYUV_API +int ConvertToARGB(const uint8_t* sample, + size_t sample_size, + uint8_t* dst_argb, + int dst_stride_argb, + 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; + int abs_src_height = (src_height < 0) ? -src_height : src_height; + int inv_crop_height = (crop_height < 0) ? -crop_height : crop_height; + int r = 0; + + // One pass rotation is available for some formats. For the rest, convert + // to ARGB (with optional vertical flipping) into a temporary ARGB buffer, + // and then rotate the ARGB to the final destination buffer. + // For in-place conversion, if destination dst_argb is same as source sample, + // also enable temporary buffer. + LIBYUV_BOOL need_buf = + (rotation && format != FOURCC_ARGB) || dst_argb == sample; + uint8_t* dest_argb = dst_argb; + int dest_dst_stride_argb = dst_stride_argb; + uint8_t* rotate_buffer = NULL; + int abs_crop_height = (crop_height < 0) ? -crop_height : crop_height; + + if (dst_argb == NULL || sample == NULL || src_width <= 0 || crop_width <= 0 || + src_height == 0 || crop_height == 0) { + return -1; + } + if (src_height < 0) { + inv_crop_height = -inv_crop_height; + } + + if (need_buf) { + int argb_size = crop_width * 4 * abs_crop_height; + rotate_buffer = (uint8_t*)malloc(argb_size); /* NOLINT */ + if (!rotate_buffer) { + return 1; // Out of memory runtime error. + } + dst_argb = rotate_buffer; + dst_stride_argb = crop_width * 4; + } + + switch (format) { + // Single plane formats + case FOURCC_YUY2: + src = sample + (aligned_src_width * crop_y + crop_x) * 2; + r = YUY2ToARGB(src, aligned_src_width * 2, dst_argb, dst_stride_argb, + crop_width, inv_crop_height); + break; + case FOURCC_UYVY: + src = sample + (aligned_src_width * crop_y + crop_x) * 2; + r = UYVYToARGB(src, aligned_src_width * 2, dst_argb, dst_stride_argb, + crop_width, inv_crop_height); + break; + case FOURCC_24BG: + src = sample + (src_width * crop_y + crop_x) * 3; + r = RGB24ToARGB(src, src_width * 3, dst_argb, dst_stride_argb, crop_width, + inv_crop_height); + break; + case FOURCC_RAW: + src = sample + (src_width * crop_y + crop_x) * 3; + r = RAWToARGB(src, src_width * 3, dst_argb, dst_stride_argb, crop_width, + inv_crop_height); + break; + case FOURCC_ARGB: + if (!need_buf && !rotation) { + src = sample + (src_width * crop_y + crop_x) * 4; + r = ARGBToARGB(src, src_width * 4, dst_argb, dst_stride_argb, + crop_width, inv_crop_height); + } + break; + case FOURCC_BGRA: + src = sample + (src_width * crop_y + crop_x) * 4; + r = BGRAToARGB(src, src_width * 4, dst_argb, dst_stride_argb, crop_width, + inv_crop_height); + break; + case FOURCC_ABGR: + src = sample + (src_width * crop_y + crop_x) * 4; + r = ABGRToARGB(src, src_width * 4, dst_argb, dst_stride_argb, crop_width, + inv_crop_height); + break; + case FOURCC_RGBA: + src = sample + (src_width * crop_y + crop_x) * 4; + r = RGBAToARGB(src, src_width * 4, dst_argb, dst_stride_argb, crop_width, + inv_crop_height); + break; + case FOURCC_AR30: + src = sample + (src_width * crop_y + crop_x) * 4; + r = AR30ToARGB(src, src_width * 4, dst_argb, dst_stride_argb, crop_width, + inv_crop_height); + break; + case FOURCC_AB30: + src = sample + (src_width * crop_y + crop_x) * 4; + r = AB30ToARGB(src, src_width * 4, dst_argb, dst_stride_argb, crop_width, + inv_crop_height); + break; + case FOURCC_RGBP: + src = sample + (src_width * crop_y + crop_x) * 2; + r = RGB565ToARGB(src, src_width * 2, dst_argb, dst_stride_argb, + crop_width, inv_crop_height); + break; + case FOURCC_RGBO: + src = sample + (src_width * crop_y + crop_x) * 2; + r = ARGB1555ToARGB(src, src_width * 2, dst_argb, dst_stride_argb, + crop_width, inv_crop_height); + break; + case FOURCC_R444: + src = sample + (src_width * crop_y + crop_x) * 2; + r = ARGB4444ToARGB(src, src_width * 2, dst_argb, dst_stride_argb, + crop_width, inv_crop_height); + break; + case FOURCC_I400: + src = sample + src_width * crop_y + crop_x; + r = I400ToARGB(src, src_width, dst_argb, dst_stride_argb, crop_width, + inv_crop_height); + break; + case FOURCC_J400: + src = sample + src_width * crop_y + crop_x; + r = J400ToARGB(src, src_width, dst_argb, dst_stride_argb, crop_width, + inv_crop_height); + break; + + // Biplanar formats + case FOURCC_NV12: + src = sample + (src_width * crop_y + crop_x); + src_uv = + sample + aligned_src_width * (abs_src_height + crop_y / 2) + crop_x; + r = NV12ToARGB(src, src_width, src_uv, aligned_src_width, dst_argb, + dst_stride_argb, crop_width, inv_crop_height); + break; + case FOURCC_NV21: + src = sample + (src_width * crop_y + crop_x); + src_uv = + sample + aligned_src_width * (abs_src_height + crop_y / 2) + crop_x; + // Call NV12 but with u and v parameters swapped. + r = NV21ToARGB(src, src_width, src_uv, aligned_src_width, dst_argb, + dst_stride_argb, crop_width, inv_crop_height); + 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 + 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 + crop_x) / 2; + src_v = sample + src_width * abs_src_height + + halfwidth * (halfheight + crop_y / 2) + crop_x / 2; + } + r = I420ToARGB(src_y, src_width, src_u, halfwidth, src_v, halfwidth, + dst_argb, dst_stride_argb, crop_width, inv_crop_height); + break; + } + + case FOURCC_J420: { + int halfwidth = (src_width + 1) / 2; + int halfheight = (abs_src_height + 1) / 2; + const uint8_t* src_y = sample + (src_width * crop_y + crop_x); + const uint8_t* src_u = sample + src_width * abs_src_height + + (halfwidth * crop_y + crop_x) / 2; + const uint8_t* src_v = sample + src_width * abs_src_height + + halfwidth * (halfheight + crop_y / 2) + crop_x / 2; + r = J420ToARGB(src_y, src_width, src_u, halfwidth, src_v, halfwidth, + dst_argb, dst_stride_argb, crop_width, inv_crop_height); + break; + } + + case FOURCC_H420: { + int halfwidth = (src_width + 1) / 2; + int halfheight = (abs_src_height + 1) / 2; + const uint8_t* src_y = sample + (src_width * crop_y + crop_x); + const uint8_t* src_u = sample + src_width * abs_src_height + + (halfwidth * crop_y + crop_x) / 2; + const uint8_t* src_v = sample + src_width * abs_src_height + + halfwidth * (halfheight + crop_y / 2) + crop_x / 2; + r = H420ToARGB(src_y, src_width, src_u, halfwidth, src_v, halfwidth, + dst_argb, dst_stride_argb, crop_width, inv_crop_height); + break; + } + + case FOURCC_U420: { + int halfwidth = (src_width + 1) / 2; + int halfheight = (abs_src_height + 1) / 2; + const uint8_t* src_y = sample + (src_width * crop_y + crop_x); + const uint8_t* src_u = sample + src_width * abs_src_height + + (halfwidth * crop_y + crop_x) / 2; + const uint8_t* src_v = sample + src_width * abs_src_height + + halfwidth * (halfheight + crop_y / 2) + crop_x / 2; + r = U420ToARGB(src_y, src_width, src_u, halfwidth, src_v, halfwidth, + dst_argb, dst_stride_argb, crop_width, inv_crop_height); + break; + } + + case FOURCC_I422: + case FOURCC_YV16: { + int halfwidth = (src_width + 1) / 2; + 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_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 = I422ToARGB(src_y, src_width, src_u, halfwidth, src_v, halfwidth, + dst_argb, dst_stride_argb, crop_width, inv_crop_height); + break; + } + + case FOURCC_J422: { + int halfwidth = (src_width + 1) / 2; + const uint8_t* src_y = sample + src_width * crop_y + crop_x; + const uint8_t* src_u = + sample + src_width * abs_src_height + halfwidth * crop_y + crop_x / 2; + const uint8_t* src_v = sample + src_width * abs_src_height + + halfwidth * (abs_src_height + crop_y) + crop_x / 2; + r = J422ToARGB(src_y, src_width, src_u, halfwidth, src_v, halfwidth, + dst_argb, dst_stride_argb, crop_width, inv_crop_height); + break; + } + + case FOURCC_H422: { + int halfwidth = (src_width + 1) / 2; + const uint8_t* src_y = sample + src_width * crop_y + crop_x; + const uint8_t* src_u = + sample + src_width * abs_src_height + halfwidth * crop_y + crop_x / 2; + const uint8_t* src_v = sample + src_width * abs_src_height + + halfwidth * (abs_src_height + crop_y) + crop_x / 2; + r = H422ToARGB(src_y, src_width, src_u, halfwidth, src_v, halfwidth, + dst_argb, dst_stride_argb, crop_width, inv_crop_height); + break; + } + + case FOURCC_U422: { + int halfwidth = (src_width + 1) / 2; + const uint8_t* src_y = sample + src_width * crop_y + crop_x; + const uint8_t* src_u = + sample + src_width * abs_src_height + halfwidth * crop_y + crop_x / 2; + const uint8_t* src_v = sample + src_width * abs_src_height + + halfwidth * (abs_src_height + crop_y) + crop_x / 2; + r = H422ToARGB(src_y, src_width, src_u, halfwidth, src_v, halfwidth, + dst_argb, dst_stride_argb, 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 = I444ToARGB(src_y, src_width, src_u, src_width, src_v, src_width, + dst_argb, dst_stride_argb, crop_width, inv_crop_height); + break; + } + + case FOURCC_J444: { + const uint8_t* src_y = sample + src_width * crop_y + crop_x; + const uint8_t* src_u; + const uint8_t* src_v; + 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 = J444ToARGB(src_y, src_width, src_u, src_width, src_v, src_width, + dst_argb, dst_stride_argb, crop_width, inv_crop_height); + break; + } + + case FOURCC_H444: { + const uint8_t* src_y = sample + src_width * crop_y + crop_x; + const uint8_t* src_u; + const uint8_t* src_v; + 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 = H444ToARGB(src_y, src_width, src_u, src_width, src_v, src_width, + dst_argb, dst_stride_argb, crop_width, inv_crop_height); + break; + } + + case FOURCC_U444: { + const uint8_t* src_y = sample + src_width * crop_y + crop_x; + const uint8_t* src_u; + const uint8_t* src_v; + 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 = U444ToARGB(src_y, src_width, src_u, src_width, src_v, src_width, + dst_argb, dst_stride_argb, crop_width, inv_crop_height); + break; + } + +#ifdef HAVE_JPEG + case FOURCC_MJPG: + r = MJPGToARGB(sample, sample_size, dst_argb, dst_stride_argb, 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 = ARGBRotate(dst_argb, dst_stride_argb, dest_argb, dest_dst_stride_argb, + crop_width, abs_crop_height, rotation); + } + free(rotate_buffer); + } else if (rotation) { + src = sample + (src_width * crop_y + crop_x) * 4; + r = ARGBRotate(src, src_width * 4, dst_argb, dst_stride_argb, crop_width, + inv_crop_height, rotation); + } + + return r; +} + +#ifdef __cplusplus +} // extern "C" +} // namespace libyuv +#endif |