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isolate jpeg to convert_jpeg and call from convert_to_i420

Browse Source 
BUG=212
TESTED=manually tested
Review URL: https://webrtc-codereview.appspot.com/1309004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@653 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
fbarchard@google.com 2013-04-09 23:00:56 +00:00
parent 40f9cd0e97
commit 492768cbca
8 changed files with 625 additions and 579 deletions
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2
README.chromium
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@ -1,6 +1,6 @@
Name: libyuv
URL: http://code.google.com/p/libyuv/
Version: 652
Version: 653
License: BSD
License File: LICENSE

2
include/libyuv/version.h
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@ -11,6 +11,6 @@
#ifndef INCLUDE_LIBYUV_VERSION_H_ // NOLINT
#define INCLUDE_LIBYUV_VERSION_H_
#define LIBYUV_VERSION 652
#define LIBYUV_VERSION 653
#endif // INCLUDE_LIBYUV_VERSION_H_ NOLINT

2
libyuv.gyp
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@ -85,6 +85,8 @@
'source/convert_argb.cc',
'source/convert_from.cc',
'source/convert_from_argb.cc',
'source/convert_jpeg.cc',
'source/convert_to_i420.cc',
'source/cpu_id.cc',
'source/format_conversion.cc',
'source/mjpeg_decoder.cc',

568
source/convert.cc
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@ -12,14 +12,9 @@
#include "libyuv/basic_types.h"
#include "libyuv/cpu_id.h"
#include "libyuv/format_conversion.h"
#ifdef HAVE_JPEG
#include "libyuv/mjpeg_decoder.h"
#endif
#include "libyuv/planar_functions.h"
#include "libyuv/rotate.h"
#include "libyuv/scale.h" // For ScalePlane()
#include "libyuv/video_common.h"
#include "libyuv/row.h"
#ifdef __cplusplus
@ -1567,569 +1562,6 @@ int ARGB4444ToI420(const uint8* src_argb4444, int src_stride_argb4444,
return 0;
}
#ifdef HAVE_JPEG
struct I420Buffers {
uint8* y;
int y_stride;
uint8* u;
int u_stride;
uint8* v;
int v_stride;
int w;
int h;
};
static void JpegCopyI420(void* opaque,
const uint8* const* data,
const int* strides,
int rows) {
I420Buffers* dest = static_cast<I420Buffers*>(opaque);
I420Copy(data[0], strides[0],
data[1], strides[1],
data[2], strides[2],
dest->y, dest->y_stride,
dest->u, dest->u_stride,
dest->v, dest->v_stride,
dest->w, rows);
dest->y += rows * dest->y_stride;
dest->u += ((rows + 1) >> 1) * dest->u_stride;
dest->v += ((rows + 1) >> 1) * dest->v_stride;
dest->h -= rows;
}
static void JpegI422ToI420(void* opaque,
const uint8* const* data,
const int* strides,
int rows) {
I420Buffers* dest = static_cast<I420Buffers*>(opaque);
I422ToI420(data[0], strides[0],
data[1], strides[1],
data[2], strides[2],
dest->y, dest->y_stride,
dest->u, dest->u_stride,
dest->v, dest->v_stride,
dest->w, rows);
dest->y += rows * dest->y_stride;
dest->u += ((rows + 1) >> 1) * dest->u_stride;
dest->v += ((rows + 1) >> 1) * dest->v_stride;
dest->h -= rows;
}
static void JpegI444ToI420(void* opaque,
const uint8* const* data,
const int* strides,
int rows) {
I420Buffers* dest = static_cast<I420Buffers*>(opaque);
I444ToI420(data[0], strides[0],
data[1], strides[1],
data[2], strides[2],
dest->y, dest->y_stride,
dest->u, dest->u_stride,
dest->v, dest->v_stride,
dest->w, rows);
dest->y += rows * dest->y_stride;
dest->u += ((rows + 1) >> 1) * dest->u_stride;
dest->v += ((rows + 1) >> 1) * dest->v_stride;
dest->h -= rows;
}
static void JpegI411ToI420(void* opaque,
const uint8* const* data,
const int* strides,
int rows) {
I420Buffers* dest = static_cast<I420Buffers*>(opaque);
I411ToI420(data[0], strides[0],
data[1], strides[1],
data[2], strides[2],
dest->y, dest->y_stride,
dest->u, dest->u_stride,
dest->v, dest->v_stride,
dest->w, rows);
dest->y += rows * dest->y_stride;
dest->u += ((rows + 1) >> 1) * dest->u_stride;
dest->v += ((rows + 1) >> 1) * dest->v_stride;
dest->h -= rows;
}
static void JpegI400ToI420(void* opaque,
const uint8* const* data,
const int* strides,
int rows) {
I420Buffers* dest = static_cast<I420Buffers*>(opaque);
I400ToI420(data[0], strides[0],
dest->y, dest->y_stride,
dest->u, dest->u_stride,
dest->v, dest->v_stride,
dest->w, rows);
dest->y += rows * dest->y_stride;
dest->u += ((rows + 1) >> 1) * dest->u_stride;
dest->v += ((rows + 1) >> 1) * dest->v_stride;
dest->h -= rows;
}
// Query size of MJPG in pixels.
LIBYUV_API
int MJPGSize(const uint8* sample, size_t sample_size,
int* width, int* height) {
MJpegDecoder mjpeg_decoder;
bool ret = mjpeg_decoder.LoadFrame(sample, sample_size);
if (ret) {
*width = mjpeg_decoder.GetWidth();
*height = mjpeg_decoder.GetHeight();
}
mjpeg_decoder.UnloadFrame();
return ret ? 0 : -1; // -1 for runtime failure.
}
// MJPG (Motion JPeg) to I420
// TODO(fbarchard): review w and h requirement. dw and dh may be enough.
LIBYUV_API
int MJPGToI420(const uint8* sample,
size_t sample_size,
uint8* y, int y_stride,
uint8* u, int u_stride,
uint8* v, int v_stride,
int w, int h,
int dw, int dh) {
if (sample_size == kUnknownDataSize) {
// ERROR: MJPEG frame size unknown
return -1;
}
// TODO(fbarchard): Port MJpeg to C.
MJpegDecoder mjpeg_decoder;
bool ret = mjpeg_decoder.LoadFrame(sample, sample_size);
if (ret && (mjpeg_decoder.GetWidth() != w ||
mjpeg_decoder.GetHeight() != h)) {
// ERROR: MJPEG frame has unexpected dimensions
mjpeg_decoder.UnloadFrame();
return 1; // runtime failure
}
if (ret) {
I420Buffers bufs = { y, y_stride, u, u_stride, v, v_stride, dw, dh };
// YUV420
if (mjpeg_decoder.GetColorSpace() ==
MJpegDecoder::kColorSpaceYCbCr &&
mjpeg_decoder.GetNumComponents() == 3 &&
mjpeg_decoder.GetVertSampFactor(0) == 2 &&
mjpeg_decoder.GetHorizSampFactor(0) == 2 &&
mjpeg_decoder.GetVertSampFactor(1) == 1 &&
mjpeg_decoder.GetHorizSampFactor(1) == 1 &&
mjpeg_decoder.GetVertSampFactor(2) == 1 &&
mjpeg_decoder.GetHorizSampFactor(2) == 1) {
ret = mjpeg_decoder.DecodeToCallback(&JpegCopyI420, &bufs, dw, dh);
// YUV422
} else if (mjpeg_decoder.GetColorSpace() ==
MJpegDecoder::kColorSpaceYCbCr &&
mjpeg_decoder.GetNumComponents() == 3 &&
mjpeg_decoder.GetVertSampFactor(0) == 1 &&
mjpeg_decoder.GetHorizSampFactor(0) == 2 &&
mjpeg_decoder.GetVertSampFactor(1) == 1 &&
mjpeg_decoder.GetHorizSampFactor(1) == 1 &&
mjpeg_decoder.GetVertSampFactor(2) == 1 &&
mjpeg_decoder.GetHorizSampFactor(2) == 1) {
ret = mjpeg_decoder.DecodeToCallback(&JpegI422ToI420, &bufs, dw, dh);
// YUV444
} else if (mjpeg_decoder.GetColorSpace() ==
MJpegDecoder::kColorSpaceYCbCr &&
mjpeg_decoder.GetNumComponents() == 3 &&
mjpeg_decoder.GetVertSampFactor(0) == 1 &&
mjpeg_decoder.GetHorizSampFactor(0) == 1 &&
mjpeg_decoder.GetVertSampFactor(1) == 1 &&
mjpeg_decoder.GetHorizSampFactor(1) == 1 &&
mjpeg_decoder.GetVertSampFactor(2) == 1 &&
mjpeg_decoder.GetHorizSampFactor(2) == 1) {
ret = mjpeg_decoder.DecodeToCallback(&JpegI444ToI420, &bufs, dw, dh);
// YUV411
} else if (mjpeg_decoder.GetColorSpace() ==
MJpegDecoder::kColorSpaceYCbCr &&
mjpeg_decoder.GetNumComponents() == 3 &&
mjpeg_decoder.GetVertSampFactor(0) == 1 &&
mjpeg_decoder.GetHorizSampFactor(0) == 4 &&
mjpeg_decoder.GetVertSampFactor(1) == 1 &&
mjpeg_decoder.GetHorizSampFactor(1) == 1 &&
mjpeg_decoder.GetVertSampFactor(2) == 1 &&
mjpeg_decoder.GetHorizSampFactor(2) == 1) {
ret = mjpeg_decoder.DecodeToCallback(&JpegI411ToI420, &bufs, dw, dh);
// YUV400
} else if (mjpeg_decoder.GetColorSpace() ==
MJpegDecoder::kColorSpaceGrayscale &&
mjpeg_decoder.GetNumComponents() == 1 &&
mjpeg_decoder.GetVertSampFactor(0) == 1 &&
mjpeg_decoder.GetHorizSampFactor(0) == 1) {
ret = mjpeg_decoder.DecodeToCallback(&JpegI400ToI420, &bufs, dw, dh);
} else {
// TODO(fbarchard): Implement conversion for any other colorspace/sample
// factors that occur in practice. 411 is supported by libjpeg
// ERROR: Unable to convert MJPEG frame because format is not supported
mjpeg_decoder.UnloadFrame();
return 1;
}
}
return 0;
}
#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* sample,
#ifdef HAVE_JPEG
size_t sample_size,
#else
size_t /* sample_size */,
#endif
uint8* y, int y_stride,
uint8* u, int u_stride,
uint8* v, int v_stride,
int crop_x, int crop_y,
int src_width, int src_height,
int dst_width, int dst_height,
RotationMode rotation,
uint32 fourcc) {
uint32 format = CanonicalFourCC(fourcc);
if (!y || !u || !v || !sample ||
src_width <= 0 || dst_width <= 0 ||
src_height == 0 || dst_height == 0) {
return -1;
}
int aligned_src_width = (src_width + 1) & ~1;
const uint8* src;
const uint8* src_uv;
int abs_src_height = (src_height < 0) ? -src_height : src_height;
int inv_dst_height = (dst_height < 0) ? -dst_height : dst_height;
if (src_height < 0) {
inv_dst_height = -inv_dst_height;
}
int r = 0;
// 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 y is same as source sample,
// also enable temporary buffer.
bool need_buf = (rotation && format != FOURCC_I420 &&
format != FOURCC_NV12 && format != FOURCC_NV21 &&
format != FOURCC_YU12 && format != FOURCC_YV12) || y == sample;
uint8* tmp_y = y;
uint8* tmp_u = u;
uint8* tmp_v = v;
int tmp_y_stride = y_stride;
int tmp_u_stride = u_stride;
int tmp_v_stride = v_stride;
uint8* buf = NULL;
int abs_dst_height = (dst_height < 0) ? -dst_height : dst_height;
if (need_buf) {
int y_size = dst_width * abs_dst_height;
int uv_size = ((dst_width + 1) / 2) * ((abs_dst_height + 1) / 2);
buf = new uint8[y_size + uv_size * 2];
if (!buf) {
return 1; // Out of memory runtime error.
}
y = buf;
u = y + y_size;
v = u + uv_size;
y_stride = dst_width;
u_stride = v_stride = ((dst_width + 1) / 2);
}
switch (format) {
// Single plane formats
case FOURCC_YUY2:
src = sample + (aligned_src_width * crop_y + crop_x) * 2;
r = YUY2ToI420(src, aligned_src_width * 2,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_UYVY:
src = sample + (aligned_src_width * crop_y + crop_x) * 2;
r = UYVYToI420(src, aligned_src_width * 2,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_RGBP:
src = sample + (src_width * crop_y + crop_x) * 2;
r = RGB565ToI420(src, src_width * 2,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_RGBO:
src = sample + (src_width * crop_y + crop_x) * 2;
r = ARGB1555ToI420(src, src_width * 2,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_R444:
src = sample + (src_width * crop_y + crop_x) * 2;
r = ARGB4444ToI420(src, src_width * 2,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_24BG:
src = sample + (src_width * crop_y + crop_x) * 3;
r = RGB24ToI420(src, src_width * 3,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_RAW:
src = sample + (src_width * crop_y + crop_x) * 3;
r = RAWToI420(src, src_width * 3,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_ARGB:
src = sample + (src_width * crop_y + crop_x) * 4;
r = ARGBToI420(src, src_width * 4,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_BGRA:
src = sample + (src_width * crop_y + crop_x) * 4;
r = BGRAToI420(src, src_width * 4,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_ABGR:
src = sample + (src_width * crop_y + crop_x) * 4;
r = ABGRToI420(src, src_width * 4,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_RGBA:
src = sample + (src_width * crop_y + crop_x) * 4;
r = RGBAToI420(src, src_width * 4,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
// TODO(fbarchard): Support cropping Bayer by odd numbers
// by adjusting fourcc.
case FOURCC_BGGR:
src = sample + (src_width * crop_y + crop_x);
r = BayerBGGRToI420(src, src_width,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_GBRG:
src = sample + (src_width * crop_y + crop_x);
r = BayerGBRGToI420(src, src_width,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_GRBG:
src = sample + (src_width * crop_y + crop_x);
r = BayerGRBGToI420(src, src_width,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_RGGB:
src = sample + (src_width * crop_y + crop_x);
r = BayerRGGBToI420(src, src_width,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_I400:
src = sample + src_width * crop_y + crop_x;
r = I400ToI420(src, src_width,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
// Biplanar formats
case FOURCC_NV12:
src = sample + (src_width * crop_y + crop_x);
src_uv = sample + aligned_src_width * (src_height + crop_y / 2) + crop_x;
r = NV12ToI420Rotate(src, src_width,
src_uv, aligned_src_width,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height, rotation);
break;
case FOURCC_NV21:
src = sample + (src_width * crop_y + crop_x);
src_uv = sample + aligned_src_width * (src_height + crop_y / 2) + crop_x;
// Call NV12 but with u and v parameters swapped.
r = NV12ToI420Rotate(src, src_width,
src_uv, aligned_src_width,
y, y_stride,
v, v_stride,
u, u_stride,
dst_width, inv_dst_height, rotation);
break;
case FOURCC_M420:
src = sample + (src_width * crop_y) * 12 / 8 + crop_x;
r = M420ToI420(src, src_width,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_Q420:
src = sample + (src_width + aligned_src_width * 2) * crop_y + crop_x;
src_uv = sample + (src_width + aligned_src_width * 2) * crop_y +
src_width + crop_x * 2;
r = Q420ToI420(src, src_width * 3,
src_uv, src_width * 3,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
// Triplanar formats
case FOURCC_I420:
case FOURCC_YU12:
case FOURCC_YV12: {
const uint8* src_y = sample + (src_width * crop_y + crop_x);
const uint8* src_u;
const uint8* 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 = I420Rotate(src_y, src_width,
src_u, halfwidth,
src_v, halfwidth,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height, rotation);
break;
}
case FOURCC_I422:
case FOURCC_YV16: {
const uint8* src_y = sample + src_width * crop_y + crop_x;
const uint8* src_u;
const uint8* 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,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
}
case FOURCC_I444:
case FOURCC_YV24: {
const uint8* src_y = sample + src_width * crop_y + crop_x;
const uint8* src_u;
const uint8* 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,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
}
case FOURCC_I411: {
int quarterwidth = (src_width + 3) / 4;
const uint8* src_y = sample + src_width * crop_y + crop_x;
const uint8* src_u = sample + src_width * abs_src_height +
quarterwidth * crop_y + crop_x / 4;
const uint8* src_v = sample + src_width * abs_src_height +
quarterwidth * (abs_src_height + crop_y) + crop_x / 4;
r = I411ToI420(src_y, src_width,
src_u, quarterwidth,
src_v, quarterwidth,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
}
#ifdef HAVE_JPEG
case FOURCC_MJPG:
r = MJPGToI420(sample, sample_size,
y, y_stride,
u, u_stride,
v, v_stride,
src_width, abs_src_height, dst_width, inv_dst_height);
break;
#endif
default:
r = -1; // unknown fourcc - return failure code.
}
if (need_buf) {
if (!r) {
r = I420Rotate(y, y_stride,
u, u_stride,
v, v_stride,
tmp_y, tmp_y_stride,
tmp_u, tmp_u_stride,
tmp_v, tmp_v_stride,
dst_width, abs_dst_height, rotation);
}
delete buf;
}
return r;
}
#ifdef __cplusplus
} // extern "C"
} // namespace libyuv

228
source/convert_jpeg.cc Normal file
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@ -0,0 +1,228 @@
/*
* 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.h"
#ifdef HAVE_JPEG
#include "libyuv/mjpeg_decoder.h"
#endif
#ifdef __cplusplus
namespace libyuv {
extern "C" {
#endif
#ifdef HAVE_JPEG
struct I420Buffers {
uint8* y;
int y_stride;
uint8* u;
int u_stride;
uint8* v;
int v_stride;
int w;
int h;
};
static void JpegCopyI420(void* opaque,
const uint8* const* data,
const int* strides,
int rows) {
I420Buffers* dest = static_cast<I420Buffers*>(opaque);
I420Copy(data[0], strides[0],
data[1], strides[1],
data[2], strides[2],
dest->y, dest->y_stride,
dest->u, dest->u_stride,
dest->v, dest->v_stride,
dest->w, rows);
dest->y += rows * dest->y_stride;
dest->u += ((rows + 1) >> 1) * dest->u_stride;
dest->v += ((rows + 1) >> 1) * dest->v_stride;
dest->h -= rows;
}
static void JpegI422ToI420(void* opaque,
const uint8* const* data,
const int* strides,
int rows) {
I420Buffers* dest = static_cast<I420Buffers*>(opaque);
I422ToI420(data[0], strides[0],
data[1], strides[1],
data[2], strides[2],
dest->y, dest->y_stride,
dest->u, dest->u_stride,
dest->v, dest->v_stride,
dest->w, rows);
dest->y += rows * dest->y_stride;
dest->u += ((rows + 1) >> 1) * dest->u_stride;
dest->v += ((rows + 1) >> 1) * dest->v_stride;
dest->h -= rows;
}
static void JpegI444ToI420(void* opaque,
const uint8* const* data,
const int* strides,
int rows) {
I420Buffers* dest = static_cast<I420Buffers*>(opaque);
I444ToI420(data[0], strides[0],
data[1], strides[1],
data[2], strides[2],
dest->y, dest->y_stride,
dest->u, dest->u_stride,
dest->v, dest->v_stride,
dest->w, rows);
dest->y += rows * dest->y_stride;
dest->u += ((rows + 1) >> 1) * dest->u_stride;
dest->v += ((rows + 1) >> 1) * dest->v_stride;
dest->h -= rows;
}
static void JpegI411ToI420(void* opaque,
const uint8* const* data,
const int* strides,
int rows) {
I420Buffers* dest = static_cast<I420Buffers*>(opaque);
I411ToI420(data[0], strides[0],
data[1], strides[1],
data[2], strides[2],
dest->y, dest->y_stride,
dest->u, dest->u_stride,
dest->v, dest->v_stride,
dest->w, rows);
dest->y += rows * dest->y_stride;
dest->u += ((rows + 1) >> 1) * dest->u_stride;
dest->v += ((rows + 1) >> 1) * dest->v_stride;
dest->h -= rows;
}
static void JpegI400ToI420(void* opaque,
const uint8* const* data,
const int* strides,
int rows) {
I420Buffers* dest = static_cast<I420Buffers*>(opaque);
I400ToI420(data[0], strides[0],
dest->y, dest->y_stride,
dest->u, dest->u_stride,
dest->v, dest->v_stride,
dest->w, rows);
dest->y += rows * dest->y_stride;
dest->u += ((rows + 1) >> 1) * dest->u_stride;
dest->v += ((rows + 1) >> 1) * dest->v_stride;
dest->h -= rows;
}
// Query size of MJPG in pixels.
LIBYUV_API
int MJPGSize(const uint8* sample, size_t sample_size,
int* width, int* height) {
MJpegDecoder mjpeg_decoder;
bool ret = mjpeg_decoder.LoadFrame(sample, sample_size);
if (ret) {
*width = mjpeg_decoder.GetWidth();
*height = mjpeg_decoder.GetHeight();
}
mjpeg_decoder.UnloadFrame();
return ret ? 0 : -1; // -1 for runtime failure.
}
// MJPG (Motion JPeg) to I420
// TODO(fbarchard): review w and h requirement. dw and dh may be enough.
LIBYUV_API
int MJPGToI420(const uint8* sample,
size_t sample_size,
uint8* y, int y_stride,
uint8* u, int u_stride,
uint8* v, int v_stride,
int w, int h,
int dw, int dh) {
if (sample_size == kUnknownDataSize) {
// ERROR: MJPEG frame size unknown
return -1;
}
// TODO(fbarchard): Port MJpeg to C.
MJpegDecoder mjpeg_decoder;
bool ret = mjpeg_decoder.LoadFrame(sample, sample_size);
if (ret && (mjpeg_decoder.GetWidth() != w ||
mjpeg_decoder.GetHeight() != h)) {
// ERROR: MJPEG frame has unexpected dimensions
mjpeg_decoder.UnloadFrame();
return 1; // runtime failure
}
if (ret) {
I420Buffers bufs = { y, y_stride, u, u_stride, v, v_stride, dw, dh };
// YUV420
if (mjpeg_decoder.GetColorSpace() ==
MJpegDecoder::kColorSpaceYCbCr &&
mjpeg_decoder.GetNumComponents() == 3 &&
mjpeg_decoder.GetVertSampFactor(0) == 2 &&
mjpeg_decoder.GetHorizSampFactor(0) == 2 &&
mjpeg_decoder.GetVertSampFactor(1) == 1 &&
mjpeg_decoder.GetHorizSampFactor(1) == 1 &&
mjpeg_decoder.GetVertSampFactor(2) == 1 &&
mjpeg_decoder.GetHorizSampFactor(2) == 1) {
ret = mjpeg_decoder.DecodeToCallback(&JpegCopyI420, &bufs, dw, dh);
// YUV422
} else if (mjpeg_decoder.GetColorSpace() ==
MJpegDecoder::kColorSpaceYCbCr &&
mjpeg_decoder.GetNumComponents() == 3 &&
mjpeg_decoder.GetVertSampFactor(0) == 1 &&
mjpeg_decoder.GetHorizSampFactor(0) == 2 &&
mjpeg_decoder.GetVertSampFactor(1) == 1 &&
mjpeg_decoder.GetHorizSampFactor(1) == 1 &&
mjpeg_decoder.GetVertSampFactor(2) == 1 &&
mjpeg_decoder.GetHorizSampFactor(2) == 1) {
ret = mjpeg_decoder.DecodeToCallback(&JpegI422ToI420, &bufs, dw, dh);
// YUV444
} else if (mjpeg_decoder.GetColorSpace() ==
MJpegDecoder::kColorSpaceYCbCr &&
mjpeg_decoder.GetNumComponents() == 3 &&
mjpeg_decoder.GetVertSampFactor(0) == 1 &&
mjpeg_decoder.GetHorizSampFactor(0) == 1 &&
mjpeg_decoder.GetVertSampFactor(1) == 1 &&
mjpeg_decoder.GetHorizSampFactor(1) == 1 &&
mjpeg_decoder.GetVertSampFactor(2) == 1 &&
mjpeg_decoder.GetHorizSampFactor(2) == 1) {
ret = mjpeg_decoder.DecodeToCallback(&JpegI444ToI420, &bufs, dw, dh);
// YUV411
} else if (mjpeg_decoder.GetColorSpace() ==
MJpegDecoder::kColorSpaceYCbCr &&
mjpeg_decoder.GetNumComponents() == 3 &&
mjpeg_decoder.GetVertSampFactor(0) == 1 &&
mjpeg_decoder.GetHorizSampFactor(0) == 4 &&
mjpeg_decoder.GetVertSampFactor(1) == 1 &&
mjpeg_decoder.GetHorizSampFactor(1) == 1 &&
mjpeg_decoder.GetVertSampFactor(2) == 1 &&
mjpeg_decoder.GetHorizSampFactor(2) == 1) {
ret = mjpeg_decoder.DecodeToCallback(&JpegI411ToI420, &bufs, dw, dh);
// YUV400
} else if (mjpeg_decoder.GetColorSpace() ==
MJpegDecoder::kColorSpaceGrayscale &&
mjpeg_decoder.GetNumComponents() == 1 &&
mjpeg_decoder.GetVertSampFactor(0) == 1 &&
mjpeg_decoder.GetHorizSampFactor(0) == 1) {
ret = mjpeg_decoder.DecodeToCallback(&JpegI400ToI420, &bufs, dw, dh);
} else {
// TODO(fbarchard): Implement conversion for any other colorspace/sample
// factors that occur in practice. 411 is supported by libjpeg
// ERROR: Unable to convert MJPEG frame because format is not supported
mjpeg_decoder.UnloadFrame();
return 1;
}
}
return 0;
}
#endif
#ifdef __cplusplus
} // extern "C"
} // namespace libyuv
#endif

384
source/convert_to_i420.cc Normal file
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@ -0,0 +1,384 @@
/*
* 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.h"
#include "libyuv/format_conversion.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* sample,
#ifdef HAVE_JPEG
size_t sample_size,
#else
size_t /* sample_size */,
#endif
uint8* y, int y_stride,
uint8* u, int u_stride,
uint8* v, int v_stride,
int crop_x, int crop_y,
int src_width, int src_height,
int dst_width, int dst_height,
RotationMode rotation,
uint32 fourcc) {
uint32 format = CanonicalFourCC(fourcc);
if (!y || !u || !v || !sample ||
src_width <= 0 || dst_width <= 0 ||
src_height == 0 || dst_height == 0) {
return -1;
}
int aligned_src_width = (src_width + 1) & ~1;
const uint8* src;
const uint8* src_uv;
int abs_src_height = (src_height < 0) ? -src_height : src_height;
int inv_dst_height = (dst_height < 0) ? -dst_height : dst_height;
if (src_height < 0) {
inv_dst_height = -inv_dst_height;
}
int r = 0;
// 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 y is same as source sample,
// also enable temporary buffer.
bool need_buf = (rotation && format != FOURCC_I420 &&
format != FOURCC_NV12 && format != FOURCC_NV21 &&
format != FOURCC_YU12 && format != FOURCC_YV12) || y == sample;
uint8* tmp_y = y;
uint8* tmp_u = u;
uint8* tmp_v = v;
int tmp_y_stride = y_stride;
int tmp_u_stride = u_stride;
int tmp_v_stride = v_stride;
uint8* buf = NULL;
int abs_dst_height = (dst_height < 0) ? -dst_height : dst_height;
if (need_buf) {
int y_size = dst_width * abs_dst_height;
int uv_size = ((dst_width + 1) / 2) * ((abs_dst_height + 1) / 2);
buf = new uint8[y_size + uv_size * 2];
if (!buf) {
return 1; // Out of memory runtime error.
}
y = buf;
u = y + y_size;
v = u + uv_size;
y_stride = dst_width;
u_stride = v_stride = ((dst_width + 1) / 2);
}
switch (format) {
// Single plane formats
case FOURCC_YUY2:
src = sample + (aligned_src_width * crop_y + crop_x) * 2;
r = YUY2ToI420(src, aligned_src_width * 2,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_UYVY:
src = sample + (aligned_src_width * crop_y + crop_x) * 2;
r = UYVYToI420(src, aligned_src_width * 2,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_RGBP:
src = sample + (src_width * crop_y + crop_x) * 2;
r = RGB565ToI420(src, src_width * 2,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_RGBO:
src = sample + (src_width * crop_y + crop_x) * 2;
r = ARGB1555ToI420(src, src_width * 2,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_R444:
src = sample + (src_width * crop_y + crop_x) * 2;
r = ARGB4444ToI420(src, src_width * 2,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_24BG:
src = sample + (src_width * crop_y + crop_x) * 3;
r = RGB24ToI420(src, src_width * 3,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_RAW:
src = sample + (src_width * crop_y + crop_x) * 3;
r = RAWToI420(src, src_width * 3,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_ARGB:
src = sample + (src_width * crop_y + crop_x) * 4;
r = ARGBToI420(src, src_width * 4,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_BGRA:
src = sample + (src_width * crop_y + crop_x) * 4;
r = BGRAToI420(src, src_width * 4,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_ABGR:
src = sample + (src_width * crop_y + crop_x) * 4;
r = ABGRToI420(src, src_width * 4,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_RGBA:
src = sample + (src_width * crop_y + crop_x) * 4;
r = RGBAToI420(src, src_width * 4,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
// TODO(fbarchard): Support cropping Bayer by odd numbers
// by adjusting fourcc.
case FOURCC_BGGR:
src = sample + (src_width * crop_y + crop_x);
r = BayerBGGRToI420(src, src_width,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_GBRG:
src = sample + (src_width * crop_y + crop_x);
r = BayerGBRGToI420(src, src_width,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_GRBG:
src = sample + (src_width * crop_y + crop_x);
r = BayerGRBGToI420(src, src_width,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_RGGB:
src = sample + (src_width * crop_y + crop_x);
r = BayerRGGBToI420(src, src_width,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_I400:
src = sample + src_width * crop_y + crop_x;
r = I400ToI420(src, src_width,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
// Biplanar formats
case FOURCC_NV12:
src = sample + (src_width * crop_y + crop_x);
src_uv = sample + aligned_src_width * (src_height + crop_y / 2) + crop_x;
r = NV12ToI420Rotate(src, src_width,
src_uv, aligned_src_width,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height, rotation);
break;
case FOURCC_NV21:
src = sample + (src_width * crop_y + crop_x);
src_uv = sample + aligned_src_width * (src_height + crop_y / 2) + crop_x;
// Call NV12 but with u and v parameters swapped.
r = NV12ToI420Rotate(src, src_width,
src_uv, aligned_src_width,
y, y_stride,
v, v_stride,
u, u_stride,
dst_width, inv_dst_height, rotation);
break;
case FOURCC_M420:
src = sample + (src_width * crop_y) * 12 / 8 + crop_x;
r = M420ToI420(src, src_width,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
case FOURCC_Q420:
src = sample + (src_width + aligned_src_width * 2) * crop_y + crop_x;
src_uv = sample + (src_width + aligned_src_width * 2) * crop_y +
src_width + crop_x * 2;
r = Q420ToI420(src, src_width * 3,
src_uv, src_width * 3,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
// Triplanar formats
case FOURCC_I420:
case FOURCC_YU12:
case FOURCC_YV12: {
const uint8* src_y = sample + (src_width * crop_y + crop_x);
const uint8* src_u;
const uint8* 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 = I420Rotate(src_y, src_width,
src_u, halfwidth,
src_v, halfwidth,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height, rotation);
break;
}
case FOURCC_I422:
case FOURCC_YV16: {
const uint8* src_y = sample + src_width * crop_y + crop_x;
const uint8* src_u;
const uint8* 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,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
}
case FOURCC_I444:
case FOURCC_YV24: {
const uint8* src_y = sample + src_width * crop_y + crop_x;
const uint8* src_u;
const uint8* 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,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
}
case FOURCC_I411: {
int quarterwidth = (src_width + 3) / 4;
const uint8* src_y = sample + src_width * crop_y + crop_x;
const uint8* src_u = sample + src_width * abs_src_height +
quarterwidth * crop_y + crop_x / 4;
const uint8* src_v = sample + src_width * abs_src_height +
quarterwidth * (abs_src_height + crop_y) + crop_x / 4;
r = I411ToI420(src_y, src_width,
src_u, quarterwidth,
src_v, quarterwidth,
y, y_stride,
u, u_stride,
v, v_stride,
dst_width, inv_dst_height);
break;
}
#ifdef HAVE_JPEG
case FOURCC_MJPG:
r = MJPGToI420(sample, sample_size,
y, y_stride,
u, u_stride,
v, v_stride,
src_width, abs_src_height, dst_width, inv_dst_height);
break;
#endif
default:
r = -1; // unknown fourcc - return failure code.
}
if (need_buf) {
if (!r) {
r = I420Rotate(y, y_stride,
u, u_stride,
v, v_stride,
tmp_y, tmp_y_stride,
tmp_u, tmp_u_stride,
tmp_v, tmp_v_stride,
dst_width, abs_dst_height, rotation);
}
delete buf;
}
return r;
}
#ifdef __cplusplus
} // extern "C"
} // namespace libyuv
#endif

12
util/convert.cc
View File

@ -25,11 +25,11 @@
// options
bool verbose = false;
int image_width = 0, image_height = 0;
int fileindex_org = 0;
int fileindex_rec = 0;
int num_rec = 0;
int num_skip_org = 0;
int num_frames = 0;
int fileindex_org = 0; // argv argument contains the original file name.
int fileindex_rec = 0; // argv argument contains the reconstructed file name.
int num_rec = 0; // Number of reconstructed images.
int num_skip_org = 0; // Number of frames to skip in original.
int num_frames = 0; // Number of frames to convert.
// Parse PYUV format. ie name.1920x800_24Hz_P420.yuv
bool ExtractResolutionFromFilename(const char* name,
@ -54,7 +54,7 @@ void PrintHelp(const char * program) {
printf(" -s <width> <height> .... specify resolution. "
"Optional if name contains\n"
" resolution (ie. "
"bali.1920x800_24Hz_P420.yuv)\n");
"name.1920x800_24Hz_P420.yuv)\n");
printf(" -skip <src_argb> ....... Number of frame to skip of src_argb\n");
printf(" -frames <num> .......... Number of frames to convert\n");
printf(" -v ..................... verbose\n");

6
util/psnr_main.cc
View File

@ -50,8 +50,8 @@ bool do_ssim = false;
bool do_mse = false;
bool do_lssim = false;
int image_width = 0, image_height = 0;
int fileindex_org = 0;
int fileindex_rec = 0;
int fileindex_org = 0; // argv argument contains the source file name.
int fileindex_rec = 0; // argv argument contains the destination file name.
int num_rec = 0;
int num_skip_org = 0;
int num_skip_rec = 0;
@ -98,7 +98,7 @@ void PrintHelp(const char * program) {
printf(" -s <width> <height> .... specify YUV size, mandatory if none of the "
"sequences have the\n");
printf(" resolution embedded in their filename (ie. "
"bali.1920x800_24Hz_P420.yuv)\n");
"name.1920x800_24Hz_P420.yuv)\n");
printf(" -psnr .................. compute PSNR (default)\n");
printf(" -ssim .................. compute SSIM\n");
printf(" -mse ................... compute MSE\n");