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https://chromium.googlesource.com/libyuv/libyuv
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MJPGToI420
BUG=none TEST=none Review URL: https://webrtc-codereview.appspot.com/396014 git-svn-id: http://libyuv.googlecode.com/svn/trunk@181 16f28f9a-4ce2-e073-06de-1de4eb20be90
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@ -1,6 +1,6 @@
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Name: libyuv
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URL: http://code.google.com/p/libyuv/
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Version: 180
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Version: 181
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License: BSD
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License File: LICENSE
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@ -20,6 +20,8 @@ struct jpeg_source_mgr;
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namespace libyuv {
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static const uint32 kUnknownDataSize = 0xFFFFFFFF;
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enum JpegSubsamplingType {
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kJpegYuv420,
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kJpegYuv422,
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@ -11,7 +11,7 @@
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#ifndef INCLUDE_LIBYUV_VERSION_H_
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#define INCLUDE_LIBYUV_VERSION_H_
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#define LIBYUV_VERSION 180
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#define LIBYUV_VERSION 181
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#endif // INCLUDE_LIBYUV_VERSION_H_
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@ -13,6 +13,9 @@
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#include "libyuv/basic_types.h"
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#include "libyuv/cpu_id.h"
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#include "libyuv/format_conversion.h"
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#ifdef HAVE_JPEG
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#include "libyuv/mjpeg_decoder.h"
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#endif
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#include "libyuv/planar_functions.h"
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#include "libyuv/rotate.h"
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#include "libyuv/video_common.h"
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@ -1363,12 +1366,202 @@ int ARGB4444ToI420(const uint8* src_argb4444, int src_stride_argb4444,
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return 0;
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}
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#ifdef HAVE_JPEG
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struct I420Buffers {
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uint8* y;
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int y_stride;
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uint8* u;
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int u_stride;
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uint8* v;
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int v_stride;
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int w;
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int h;
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};
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static void JpegCopyI420(void* opaque,
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const uint8* const* data,
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const int* strides,
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int rows) {
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I420Buffers* dest = static_cast<I420Buffers*>(opaque);
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I420Copy(data[0], strides[0],
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data[1], strides[1],
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data[2], strides[2],
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dest->y, dest->y_stride,
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dest->u, dest->u_stride,
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dest->v, dest->v_stride,
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dest->w, rows);
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dest->y += rows * dest->y_stride;
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dest->u += ((rows + 1) >> 1) * dest->u_stride;
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dest->v += ((rows + 1) >> 1) * dest->v_stride;
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dest->h -= rows;
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}
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static void JpegI422ToI420(void* opaque,
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const uint8* const* data,
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const int* strides,
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int rows) {
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I420Buffers* dest = static_cast<I420Buffers*>(opaque);
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I422ToI420(data[0], strides[0],
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data[1], strides[1],
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data[2], strides[2],
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dest->y, dest->y_stride,
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dest->u, dest->u_stride,
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dest->v, dest->v_stride,
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dest->w, rows);
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dest->y += rows * dest->y_stride;
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dest->u += ((rows + 1) >> 1) * dest->u_stride;
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dest->v += ((rows + 1) >> 1) * dest->v_stride;
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dest->h -= rows;
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}
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static void JpegI444ToI420(void* opaque,
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const uint8* const* data,
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const int* strides,
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int rows) {
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I420Buffers* dest = static_cast<I420Buffers*>(opaque);
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I444ToI420(data[0], strides[0],
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data[1], strides[1],
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data[2], strides[2],
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dest->y, dest->y_stride,
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dest->u, dest->u_stride,
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dest->v, dest->v_stride,
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dest->w, rows);
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dest->y += rows * dest->y_stride;
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dest->u += ((rows + 1) >> 1) * dest->u_stride;
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dest->v += ((rows + 1) >> 1) * dest->v_stride;
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dest->h -= rows;
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}
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static void JpegI411ToI420(void* opaque,
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const uint8* const* data,
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const int* strides,
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int rows) {
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I420Buffers* dest = static_cast<I420Buffers*>(opaque);
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I411ToI420(data[0], strides[0],
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data[1], strides[1],
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data[2], strides[2],
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dest->y, dest->y_stride,
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dest->u, dest->u_stride,
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dest->v, dest->v_stride,
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dest->w, rows);
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dest->y += rows * dest->y_stride;
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dest->u += ((rows + 1) >> 1) * dest->u_stride;
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dest->v += ((rows + 1) >> 1) * dest->v_stride;
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dest->h -= rows;
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}
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static void JpegI400ToI420(void* opaque,
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const uint8* const* data,
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const int* strides,
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int rows) {
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I420Buffers* dest = static_cast<I420Buffers*>(opaque);
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I400ToI420(data[0], strides[0],
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dest->y, dest->y_stride,
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dest->u, dest->u_stride,
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dest->v, dest->v_stride,
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dest->w, rows);
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dest->y += rows * dest->y_stride;
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dest->u += ((rows + 1) >> 1) * dest->u_stride;
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dest->v += ((rows + 1) >> 1) * dest->v_stride;
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dest->h -= rows;
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}
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// MJPG (Motion JPeg) to I420
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// TODO(fbarchard): review w and h requirement. dw and dh may be enough.
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int MJPGToI420(const uint8* sample,
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size_t sample_size,
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uint8* y, int y_stride,
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uint8* u, int u_stride,
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uint8* v, int v_stride,
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int w, int h,
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int dw, int dh) {
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if (sample_size == kUnknownDataSize) {
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// ERROR: MJPEG frame size unknown
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return -1;
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}
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// TODO(fbarchard): Port to C
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MJpegDecoder* mjpeg_decoder = new MJpegDecoder();
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bool ret = mjpeg_decoder->LoadFrame(sample, sample_size);
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if (ret && (mjpeg_decoder->GetWidth() != w ||
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mjpeg_decoder->GetHeight() != h)) {
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// ERROR: MJPEG frame has unexpected dimensions
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mjpeg_decoder->UnloadFrame();
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delete mjpeg_decoder;
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return 1; // runtime failure
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}
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if (ret) {
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I420Buffers bufs = { y, y_stride, u, u_stride, v, v_stride, dw, dh };
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// YUV420
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if (mjpeg_decoder->GetColorSpace() ==
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MJpegDecoder::kColorSpaceYCbCr &&
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mjpeg_decoder->GetNumComponents() == 3 &&
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mjpeg_decoder->GetVertSampFactor(0) == 2 &&
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mjpeg_decoder->GetHorizSampFactor(0) == 2 &&
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mjpeg_decoder->GetVertSampFactor(1) == 1 &&
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mjpeg_decoder->GetHorizSampFactor(1) == 1 &&
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mjpeg_decoder->GetVertSampFactor(2) == 1 &&
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mjpeg_decoder->GetHorizSampFactor(2) == 1) {
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ret = mjpeg_decoder->DecodeToCallback(&JpegCopyI420, &bufs, dw, dh);
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// YUV422
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} else if (mjpeg_decoder->GetColorSpace() ==
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MJpegDecoder::kColorSpaceYCbCr &&
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mjpeg_decoder->GetNumComponents() == 3 &&
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mjpeg_decoder->GetVertSampFactor(0) == 1 &&
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mjpeg_decoder->GetHorizSampFactor(0) == 2 &&
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mjpeg_decoder->GetVertSampFactor(1) == 1 &&
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mjpeg_decoder->GetHorizSampFactor(1) == 1 &&
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mjpeg_decoder->GetVertSampFactor(2) == 1 &&
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mjpeg_decoder->GetHorizSampFactor(2) == 1) {
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ret = mjpeg_decoder->DecodeToCallback(&JpegI422ToI420, &bufs, dw, dh);
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// YUV444
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} else if (mjpeg_decoder->GetColorSpace() ==
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MJpegDecoder::kColorSpaceYCbCr &&
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mjpeg_decoder->GetNumComponents() == 3 &&
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mjpeg_decoder->GetVertSampFactor(0) == 1 &&
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mjpeg_decoder->GetHorizSampFactor(0) == 1 &&
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mjpeg_decoder->GetVertSampFactor(1) == 1 &&
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mjpeg_decoder->GetHorizSampFactor(1) == 1 &&
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mjpeg_decoder->GetVertSampFactor(2) == 1 &&
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mjpeg_decoder->GetHorizSampFactor(2) == 1) {
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ret = mjpeg_decoder->DecodeToCallback(&JpegI444ToI420, &bufs, dw, dh);
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// YUV411
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} else if (mjpeg_decoder->GetColorSpace() ==
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MJpegDecoder::kColorSpaceYCbCr &&
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mjpeg_decoder->GetNumComponents() == 3 &&
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mjpeg_decoder->GetVertSampFactor(0) == 1 &&
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mjpeg_decoder->GetHorizSampFactor(0) == 4 &&
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mjpeg_decoder->GetVertSampFactor(1) == 1 &&
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mjpeg_decoder->GetHorizSampFactor(1) == 1 &&
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mjpeg_decoder->GetVertSampFactor(2) == 1 &&
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mjpeg_decoder->GetHorizSampFactor(2) == 1) {
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ret = mjpeg_decoder->DecodeToCallback(&JpegI411ToI420, &bufs, dw, dh);
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// YUV400
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} else if (mjpeg_decoder->GetColorSpace() ==
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MJpegDecoder::kColorSpaceGrayscale &&
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mjpeg_decoder->GetNumComponents() == 1 &&
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mjpeg_decoder->GetVertSampFactor(0) == 1 &&
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mjpeg_decoder->GetHorizSampFactor(0) == 1) {
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ret = mjpeg_decoder->DecodeToCallback(&JpegI400ToI420, &bufs, dw, dh);
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} else {
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// TODO(fbarchard): Implement conversion for any other colorspace/sample
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// factors that occur in practice. 411 is supported by libjpeg
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// ERROR: Unable to convert MJPEG frame because format is not supported
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mjpeg_decoder->UnloadFrame();
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delete mjpeg_decoder;
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return 1;
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}
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}
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delete mjpeg_decoder;
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return 0;
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}
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#endif
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// Convert camera sample to I420 with cropping, rotation and vertical flip.
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// src_width is used for source stride computation
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// src_height is used to compute location of planes, and indicate inversion
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// TODO(fbarchard): sample_size should be used to ensure the low levels do
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// not read outside the buffer provided. It is measured in bytes and is the
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// size of the frame. With MJPEG it is the compressed size of the frame.
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// sample_size is measured in bytes and is the size of the frame.
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// With MJPEG it is the compressed size of the frame.
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int ConvertToI420(const uint8* sample, size_t sample_size,
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uint8* y, int y_stride,
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uint8* u, int u_stride,
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@ -1389,199 +1582,187 @@ int ConvertToI420(const uint8* sample, size_t sample_size,
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if (src_height < 0) {
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inv_dst_height = -inv_dst_height;
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}
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int r = 0;
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switch (format) {
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// Single plane formats
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case FOURCC_YUY2:
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src = sample + (aligned_src_width * crop_y + crop_x) * 2 ;
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YUY2ToI420(src, aligned_src_width * 2,
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y, y_stride,
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u, u_stride,
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v, v_stride,
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dst_width, inv_dst_height);
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r = YUY2ToI420(src, aligned_src_width * 2,
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y, y_stride,
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u, u_stride,
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v, v_stride,
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dst_width, inv_dst_height);
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break;
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case FOURCC_UYVY:
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src = sample + (aligned_src_width * crop_y + crop_x) * 2;
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UYVYToI420(src, aligned_src_width * 2,
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y, y_stride,
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u, u_stride,
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v, v_stride,
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dst_width, inv_dst_height);
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r = UYVYToI420(src, aligned_src_width * 2,
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y, y_stride,
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u, u_stride,
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v, v_stride,
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dst_width, inv_dst_height);
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break;
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case FOURCC_V210:
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// stride is multiple of 48 pixels (128 bytes).
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// pixels come in groups of 6 = 16 bytes
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src = sample + (aligned_src_width + 47) / 48 * 128 * crop_y +
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crop_x / 6 * 16;
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V210ToI420(src, (aligned_src_width + 47) / 48 * 128,
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y, y_stride,
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u, u_stride,
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v, v_stride,
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dst_width, inv_dst_height);
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r = V210ToI420(src, (aligned_src_width + 47) / 48 * 128,
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y, y_stride,
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u, u_stride,
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v, v_stride,
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dst_width, inv_dst_height);
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break;
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case FOURCC_24BG:
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src = sample + (src_width * crop_y + crop_x) * 3;
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RGB24ToI420(src, src_width * 3,
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y, y_stride,
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u, u_stride,
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v, v_stride,
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dst_width, inv_dst_height);
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r = RGB24ToI420(src, src_width * 3,
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y, y_stride,
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u, u_stride,
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v, v_stride,
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dst_width, inv_dst_height);
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break;
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case FOURCC_RAW:
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src = sample + (src_width * crop_y + crop_x) * 3;
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RAWToI420(src, src_width * 3,
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y, y_stride,
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u, u_stride,
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v, v_stride,
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dst_width, inv_dst_height);
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r = RAWToI420(src, src_width * 3,
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y, y_stride,
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u, u_stride,
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v, v_stride,
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dst_width, inv_dst_height);
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break;
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case FOURCC_ARGB:
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src = sample + (src_width * crop_y + crop_x) * 4;
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ARGBToI420(src, src_width * 4,
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y, y_stride,
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u, u_stride,
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v, v_stride,
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dst_width, inv_dst_height);
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r = ARGBToI420(src, src_width * 4,
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y, y_stride,
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u, u_stride,
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v, v_stride,
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dst_width, inv_dst_height);
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break;
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case FOURCC_BGRA:
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src = sample + (src_width * crop_y + crop_x) * 4;
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BGRAToI420(src, src_width * 4,
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y, y_stride,
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u, u_stride,
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v, v_stride,
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dst_width, inv_dst_height);
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r = BGRAToI420(src, src_width * 4,
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y, y_stride,
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u, u_stride,
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v, v_stride,
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dst_width, inv_dst_height);
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break;
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case FOURCC_ABGR:
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src = sample + (src_width * crop_y + crop_x) * 4;
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ABGRToI420(src, src_width * 4,
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y, y_stride,
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u, u_stride,
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v, v_stride,
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dst_width, inv_dst_height);
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r = ABGRToI420(src, src_width * 4,
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y, y_stride,
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u, u_stride,
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v, v_stride,
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dst_width, inv_dst_height);
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break;
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case FOURCC_RGBP:
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src = sample + (src_width * crop_y + crop_x) * 2;
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RGB565ToI420(src, src_width * 2,
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y, y_stride,
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u, u_stride,
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v, v_stride,
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dst_width, inv_dst_height);
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r = RGB565ToI420(src, src_width * 2,
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y, y_stride,
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u, u_stride,
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v, v_stride,
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dst_width, inv_dst_height);
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break;
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// V4L2_PIX_FMT_RGB555 'RGBO'
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// Byte 0 Byte 1
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// Bit 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
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// g2 g1 g0 b4 b3 b2 b1 b0 a r4 r3 r2 r1 r0 g4 g3
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// Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
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// a r4 r3 r2 r1 r0 g4 g3 g2 g1 g0 b4 b3 b2 b1 b0
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case FOURCC_RGBO:
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src = sample + (src_width * crop_y + crop_x) * 2;
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ARGB1555ToI420(src, src_width * 2,
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y, y_stride,
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u, u_stride,
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v, v_stride,
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dst_width, inv_dst_height);
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r = ARGB1555ToI420(src, src_width * 2,
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y, y_stride,
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u, u_stride,
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v, v_stride,
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dst_width, inv_dst_height);
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break;
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// V4L2_PIX_FMT_RGB444 'R444'
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// Byte 0 Byte 1
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// Bit 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
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// g3 g2 g1 g0 b3 b2 b1 b0 a3 a2 a1 a0 r3 r2 r1 r0
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// Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
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// a3 a2 a1 a0 r3 r2 r1 r0 g3 g2 g1 g0 b3 b2 b1 b0
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case FOURCC_R444:
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src = sample + (src_width * crop_y + crop_x) * 2;
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ARGB4444ToI420(src, src_width * 2,
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y, y_stride,
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u, u_stride,
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v, v_stride,
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dst_width, inv_dst_height);
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r = ARGB4444ToI420(src, src_width * 2,
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y, y_stride,
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u, u_stride,
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v, v_stride,
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dst_width, inv_dst_height);
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break;
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// TODO(fbarchard): Support cropping Bayer by odd numbers
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// by adjusting fourcc.
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case FOURCC_BGGR:
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src = sample + (src_width * crop_y + crop_x);
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BayerBGGRToI420(src, src_width,
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y, y_stride,
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u, u_stride,
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v, v_stride,
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dst_width, inv_dst_height);
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r = BayerBGGRToI420(src, src_width,
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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);
|
||||
BayerGBRGToI420(src, src_width,
|
||||
y, y_stride,
|
||||
u, u_stride,
|
||||
v, v_stride,
|
||||
dst_width, inv_dst_height);
|
||||
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);
|
||||
BayerGRBGToI420(src, src_width,
|
||||
y, y_stride,
|
||||
u, u_stride,
|
||||
v, v_stride,
|
||||
dst_width, inv_dst_height);
|
||||
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);
|
||||
BayerRGGBToI420(src, src_width,
|
||||
y, y_stride,
|
||||
u, u_stride,
|
||||
v, v_stride,
|
||||
dst_width, inv_dst_height);
|
||||
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;
|
||||
I400ToI420(src, src_width,
|
||||
y, y_stride,
|
||||
u, u_stride,
|
||||
v, v_stride,
|
||||
dst_width, inv_dst_height);
|
||||
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;
|
||||
NV12ToI420Rotate(src, src_width,
|
||||
src_uv, aligned_src_width,
|
||||
y, y_stride,
|
||||
u, u_stride,
|
||||
v, v_stride,
|
||||
dst_width, inv_dst_height, rotation);
|
||||
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.
|
||||
NV12ToI420Rotate(src, src_width,
|
||||
src_uv, aligned_src_width,
|
||||
y, y_stride,
|
||||
u, u_stride,
|
||||
v, v_stride,
|
||||
dst_width, inv_dst_height, rotation);
|
||||
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_M420:
|
||||
src = sample + (src_width * crop_y) * 12 / 8 + crop_x;
|
||||
M420ToI420(src, src_width,
|
||||
y, y_stride,
|
||||
u, u_stride,
|
||||
v, v_stride,
|
||||
dst_width, inv_dst_height);
|
||||
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;
|
||||
Q420ToI420(src, src_width * 3,
|
||||
src_uv, src_width * 3,
|
||||
y, y_stride,
|
||||
u, u_stride,
|
||||
v, v_stride,
|
||||
dst_width, inv_dst_height);
|
||||
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:
|
||||
@ -1602,13 +1783,13 @@ int ConvertToI420(const uint8* sample, size_t sample_size,
|
||||
src_u = sample + src_width * abs_src_height +
|
||||
halfwidth * (halfheight + crop_y / 2) + crop_x / 2;
|
||||
}
|
||||
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);
|
||||
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:
|
||||
@ -1628,13 +1809,13 @@ int ConvertToI420(const uint8* sample, size_t sample_size,
|
||||
src_u = sample + src_width * abs_src_height +
|
||||
halfwidth * (abs_src_height + crop_y) + crop_x / 2;
|
||||
}
|
||||
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);
|
||||
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:
|
||||
@ -1649,13 +1830,13 @@ int ConvertToI420(const uint8* sample, size_t sample_size,
|
||||
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;
|
||||
}
|
||||
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);
|
||||
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: {
|
||||
@ -1665,22 +1846,26 @@ int ConvertToI420(const uint8* sample, size_t sample_size,
|
||||
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;
|
||||
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);
|
||||
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;
|
||||
}
|
||||
|
||||
// Formats not supported
|
||||
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;
|
||||
default:
|
||||
return -1; // unknown fourcc - return failure code.
|
||||
}
|
||||
return 0;
|
||||
return r;
|
||||
}
|
||||
|
||||
#ifdef __cplusplus
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user