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-rw-r--r--chromium/third_party/libyuv/include/libyuv/mjpeg_decoder.h68
1 files changed, 34 insertions, 34 deletions
diff --git a/chromium/third_party/libyuv/include/libyuv/mjpeg_decoder.h b/chromium/third_party/libyuv/include/libyuv/mjpeg_decoder.h
index 7bb82fce146..82fd95df21b 100644
--- a/chromium/third_party/libyuv/include/libyuv/mjpeg_decoder.h
+++ b/chromium/third_party/libyuv/include/libyuv/mjpeg_decoder.h
@@ -11,10 +11,9 @@
#ifndef INCLUDE_LIBYUV_MJPEG_DECODER_H_ // NOLINT
#define INCLUDE_LIBYUV_MJPEG_DECODER_H_
-#ifdef __cplusplus
-
#include "libyuv/basic_types.h"
+#ifdef __cplusplus
// NOTE: For a simplified public API use convert.h MJPGToI420().
struct jpeg_common_struct;
@@ -23,7 +22,15 @@ struct jpeg_source_mgr;
namespace libyuv {
-bool ValidateJpeg(const uint8* sample, size_t sample_size);
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+LIBYUV_BOOL ValidateJpeg(const uint8* sample, size_t sample_size);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
static const uint32 kUnknownDataSize = 0xFFFFFFFF;
@@ -36,6 +43,17 @@ enum JpegSubsamplingType {
kJpegUnknown
};
+struct Buffer {
+ const uint8* data;
+ int len;
+};
+
+struct BufferVector {
+ Buffer* buffers;
+ int len;
+ int pos;
+};
+
struct SetJmpErrorMgr;
// MJPEG ("Motion JPEG") is a pseudo-standard video codec where the frames are
@@ -63,11 +81,12 @@ class LIBYUV_API MJpegDecoder {
~MJpegDecoder();
// Loads a new frame, reads its headers, and determines the uncompressed
- // image format. Returns true if image looks valid and format is supported.
- // If return value is true, then the values for all the following getters
- // are populated.
+ // image format.
+ // Returns LIBYUV_TRUE if image looks valid and format is supported.
+ // If return value is LIBYUV_TRUE, then the values for all the following
+ // getters are populated.
// src_len is the size of the compressed mjpeg frame in bytes.
- bool LoadFrame(const uint8* src, size_t src_len);
+ LIBYUV_BOOL LoadFrame(const uint8* src, size_t src_len);
// Returns width of the last loaded frame in pixels.
int GetWidth();
@@ -111,7 +130,7 @@ class LIBYUV_API MJpegDecoder {
// Call this after LoadFrame() if you decide you don't want to decode it
// after all.
- bool UnloadFrame();
+ LIBYUV_BOOL UnloadFrame();
// Decodes the entire image into a one-buffer-per-color-component format.
// dst_width must match exactly. dst_height must be <= to image height; if
@@ -120,13 +139,13 @@ class LIBYUV_API MJpegDecoder {
// at least GetComponentSize(i). The pointers in planes are incremented
// to point to after the end of the written data.
// TODO(fbarchard): Add dst_x, dst_y to allow specific rect to be decoded.
- bool DecodeToBuffers(uint8** planes, int dst_width, int dst_height);
+ LIBYUV_BOOL DecodeToBuffers(uint8** planes, int dst_width, int dst_height);
// Decodes the entire image and passes the data via repeated calls to a
// callback function. Each call will get the data for a whole number of
// image scanlines.
// TODO(fbarchard): Add dst_x, dst_y to allow specific rect to be decoded.
- bool DecodeToCallback(CallbackFunction fn, void* opaque,
+ LIBYUV_BOOL DecodeToCallback(CallbackFunction fn, void* opaque,
int dst_width, int dst_height);
// The helper function which recognizes the jpeg sub-sampling type.
@@ -134,34 +153,15 @@ class LIBYUV_API MJpegDecoder {
int* subsample_x, int* subsample_y, int number_of_components);
private:
- struct Buffer {
- const uint8* data;
- int len;
- };
-
- struct BufferVector {
- Buffer* buffers;
- int len;
- int pos;
- };
-
- // Methods that are passed to jpeglib.
- static int fill_input_buffer(jpeg_decompress_struct* cinfo);
- static void init_source(jpeg_decompress_struct* cinfo);
- static void skip_input_data(jpeg_decompress_struct* cinfo,
- long num_bytes); // NOLINT
- static void term_source(jpeg_decompress_struct* cinfo);
-
- static void ErrorHandler(jpeg_common_struct* cinfo);
void AllocOutputBuffers(int num_outbufs);
void DestroyOutputBuffers();
- bool StartDecode();
- bool FinishDecode();
+ LIBYUV_BOOL StartDecode();
+ LIBYUV_BOOL FinishDecode();
void SetScanlinePointers(uint8** data);
- bool DecodeImcuRow();
+ LIBYUV_BOOL DecodeImcuRow();
int GetComponentScanlinePadding(int component);
@@ -173,9 +173,9 @@ class LIBYUV_API MJpegDecoder {
jpeg_source_mgr* source_mgr_;
SetJmpErrorMgr* error_mgr_;
- // true iff at least one component has scanline padding. (i.e.,
+ // LIBYUV_TRUE iff at least one component has scanline padding. (i.e.,
// GetComponentScanlinePadding() != 0.)
- bool has_scanline_padding_;
+ LIBYUV_BOOL has_scanline_padding_;
// Temporaries used to point to scanline outputs.
int num_outbufs_; // Outermost size of all arrays below.