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issue #1770: Adding webp image format support for linux 64bit.

This commit is contained in:
James Chen 2013-02-06 15:47:23 +08:00
parent c7fdb1e637
commit 561f6ca435
7 changed files with 986 additions and 14 deletions
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cocos2dx/platform/third_party/linux/libraries/lib64/libwebp.a.REMOVED.git-id vendored Normal file
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cocos2dx/platform/third_party/linux/libwebp/decode.h vendored Normal file
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// Copyright 2010 Google Inc. All Rights Reserved.
//
// This code is licensed under the same terms as WebM:
// Software License Agreement: http://www.webmproject.org/license/software/
// Additional IP Rights Grant: http://www.webmproject.org/license/additional/
// -----------------------------------------------------------------------------
//
// Main decoding functions for WebP images.
//
// Author: Skal (pascal.massimino@gmail.com)
#ifndef WEBP_WEBP_DECODE_H_
#define WEBP_WEBP_DECODE_H_
#include "./types.h"
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
#define WEBP_DECODER_ABI_VERSION 0x0200 // MAJOR(8b) + MINOR(8b)
// Return the decoder's version number, packed in hexadecimal using 8bits for
// each of major/minor/revision. E.g: v2.5.7 is 0x020507.
WEBP_EXTERN(int) WebPGetDecoderVersion(void);
// Retrieve basic header information: width, height.
// This function will also validate the header and return 0 in
// case of formatting error.
// Pointers 'width' and 'height' can be passed NULL if deemed irrelevant.
WEBP_EXTERN(int) WebPGetInfo(const uint8_t* data, size_t data_size,
int* width, int* height);
// Decodes WebP images pointed to by 'data' and returns RGBA samples, along
// with the dimensions in *width and *height. The ordering of samples in
// memory is R, G, B, A, R, G, B, A... in scan order (endian-independent).
// The returned pointer should be deleted calling free().
// Returns NULL in case of error.
WEBP_EXTERN(uint8_t*) WebPDecodeRGBA(const uint8_t* data, size_t data_size,
int* width, int* height);
// Same as WebPDecodeRGBA, but returning A, R, G, B, A, R, G, B... ordered data.
WEBP_EXTERN(uint8_t*) WebPDecodeARGB(const uint8_t* data, size_t data_size,
int* width, int* height);
// Same as WebPDecodeRGBA, but returning B, G, R, A, B, G, R, A... ordered data.
WEBP_EXTERN(uint8_t*) WebPDecodeBGRA(const uint8_t* data, size_t data_size,
int* width, int* height);
// Same as WebPDecodeRGBA, but returning R, G, B, R, G, B... ordered data.
// If the bitstream contains transparency, it is ignored.
WEBP_EXTERN(uint8_t*) WebPDecodeRGB(const uint8_t* data, size_t data_size,
int* width, int* height);
// Same as WebPDecodeRGB, but returning B, G, R, B, G, R... ordered data.
WEBP_EXTERN(uint8_t*) WebPDecodeBGR(const uint8_t* data, size_t data_size,
int* width, int* height);
// Decode WebP images pointed to by 'data' to Y'UV format(*). The pointer
// returned is the Y samples buffer. Upon return, *u and *v will point to
// the U and V chroma data. These U and V buffers need NOT be free()'d,
// unlike the returned Y luma one. The dimension of the U and V planes
// are both (*width + 1) / 2 and (*height + 1)/ 2.
// Upon return, the Y buffer has a stride returned as '*stride', while U and V
// have a common stride returned as '*uv_stride'.
// Return NULL in case of error.
// (*) Also named Y'CbCr. See: http://en.wikipedia.org/wiki/YCbCr
WEBP_EXTERN(uint8_t*) WebPDecodeYUV(const uint8_t* data, size_t data_size,
int* width, int* height,
uint8_t** u, uint8_t** v,
int* stride, int* uv_stride);
// These five functions are variants of the above ones, that decode the image
// directly into a pre-allocated buffer 'output_buffer'. The maximum storage
// available in this buffer is indicated by 'output_buffer_size'. If this
// storage is not sufficient (or an error occurred), NULL is returned.
// Otherwise, output_buffer is returned, for convenience.
// The parameter 'output_stride' specifies the distance (in bytes)
// between scanlines. Hence, output_buffer_size is expected to be at least
// output_stride x picture-height.
WEBP_EXTERN(uint8_t*) WebPDecodeRGBAInto(
const uint8_t* data, size_t data_size,
uint8_t* output_buffer, size_t output_buffer_size, int output_stride);
WEBP_EXTERN(uint8_t*) WebPDecodeARGBInto(
const uint8_t* data, size_t data_size,
uint8_t* output_buffer, size_t output_buffer_size, int output_stride);
WEBP_EXTERN(uint8_t*) WebPDecodeBGRAInto(
const uint8_t* data, size_t data_size,
uint8_t* output_buffer, size_t output_buffer_size, int output_stride);
// RGB and BGR variants. Here too the transparency information, if present,
// will be dropped and ignored.
WEBP_EXTERN(uint8_t*) WebPDecodeRGBInto(
const uint8_t* data, size_t data_size,
uint8_t* output_buffer, size_t output_buffer_size, int output_stride);
WEBP_EXTERN(uint8_t*) WebPDecodeBGRInto(
const uint8_t* data, size_t data_size,
uint8_t* output_buffer, size_t output_buffer_size, int output_stride);
// WebPDecodeYUVInto() is a variant of WebPDecodeYUV() that operates directly
// into pre-allocated luma/chroma plane buffers. This function requires the
// strides to be passed: one for the luma plane and one for each of the
// chroma ones. The size of each plane buffer is passed as 'luma_size',
// 'u_size' and 'v_size' respectively.
// Pointer to the luma plane ('*luma') is returned or NULL if an error occurred
// during decoding (or because some buffers were found to be too small).
WEBP_EXTERN(uint8_t*) WebPDecodeYUVInto(
const uint8_t* data, size_t data_size,
uint8_t* luma, size_t luma_size, int luma_stride,
uint8_t* u, size_t u_size, int u_stride,
uint8_t* v, size_t v_size, int v_stride);
//------------------------------------------------------------------------------
// Output colorspaces and buffer
// Colorspaces
// Note: the naming describes the byte-ordering of packed samples in memory.
// For instance, MODE_BGRA relates to samples ordered as B,G,R,A,B,G,R,A,...
// Non-capital names (e.g.:MODE_Argb) relates to pre-multiplied RGB channels.
// RGB-565 and RGBA-4444 are also endian-agnostic and byte-oriented.
typedef enum { MODE_RGB = 0, MODE_RGBA = 1,
MODE_BGR = 2, MODE_BGRA = 3,
MODE_ARGB = 4, MODE_RGBA_4444 = 5,
MODE_RGB_565 = 6,
// RGB-premultiplied transparent modes (alpha value is preserved)
MODE_rgbA = 7,
MODE_bgrA = 8,
MODE_Argb = 9,
MODE_rgbA_4444 = 10,
// YUV modes must come after RGB ones.
MODE_YUV = 11, MODE_YUVA = 12, // yuv 4:2:0
MODE_LAST = 13
} WEBP_CSP_MODE;
// Some useful macros:
static WEBP_INLINE int WebPIsPremultipliedMode(WEBP_CSP_MODE mode) {
return (mode == MODE_rgbA || mode == MODE_bgrA || mode == MODE_Argb ||
mode == MODE_rgbA_4444);
}
static WEBP_INLINE int WebPIsAlphaMode(WEBP_CSP_MODE mode) {
return (mode == MODE_RGBA || mode == MODE_BGRA || mode == MODE_ARGB ||
mode == MODE_RGBA_4444 || mode == MODE_YUVA ||
WebPIsPremultipliedMode(mode));
}
static WEBP_INLINE int WebPIsRGBMode(WEBP_CSP_MODE mode) {
return (mode < MODE_YUV);
}
//------------------------------------------------------------------------------
// WebPDecBuffer: Generic structure for describing the output sample buffer.
typedef struct { // view as RGBA
uint8_t* rgba; // pointer to RGBA samples
int stride; // stride in bytes from one scanline to the next.
size_t size; // total size of the *rgba buffer.
} WebPRGBABuffer;
typedef struct { // view as YUVA
uint8_t* y, *u, *v, *a; // pointer to luma, chroma U/V, alpha samples
int y_stride; // luma stride
int u_stride, v_stride; // chroma strides
int a_stride; // alpha stride
size_t y_size; // luma plane size
size_t u_size, v_size; // chroma planes size
size_t a_size; // alpha-plane size
} WebPYUVABuffer;
// Output buffer
typedef struct {
WEBP_CSP_MODE colorspace; // Colorspace.
int width, height; // Dimensions.
int is_external_memory; // If true, 'internal_memory' pointer is not used.
union {
WebPRGBABuffer RGBA;
WebPYUVABuffer YUVA;
} u; // Nameless union of buffer parameters.
uint32_t pad[4]; // padding for later use
uint8_t* private_memory; // Internally allocated memory (only when
// is_external_memory is false). Should not be used
// externally, but accessed via the buffer union.
} WebPDecBuffer;
// Internal, version-checked, entry point
WEBP_EXTERN(int) WebPInitDecBufferInternal(WebPDecBuffer*, int);
// Initialize the structure as empty. Must be called before any other use.
// Returns false in case of version mismatch
static WEBP_INLINE int WebPInitDecBuffer(WebPDecBuffer* buffer) {
return WebPInitDecBufferInternal(buffer, WEBP_DECODER_ABI_VERSION);
}
// Free any memory associated with the buffer. Must always be called last.
// Note: doesn't free the 'buffer' structure itself.
WEBP_EXTERN(void) WebPFreeDecBuffer(WebPDecBuffer* buffer);
//------------------------------------------------------------------------------
// Enumeration of the status codes
typedef enum {
VP8_STATUS_OK = 0,
VP8_STATUS_OUT_OF_MEMORY,
VP8_STATUS_INVALID_PARAM,
VP8_STATUS_BITSTREAM_ERROR,
VP8_STATUS_UNSUPPORTED_FEATURE,
VP8_STATUS_SUSPENDED,
VP8_STATUS_USER_ABORT,
VP8_STATUS_NOT_ENOUGH_DATA
} VP8StatusCode;
//------------------------------------------------------------------------------
// Incremental decoding
//
// This API allows streamlined decoding of partial data.
// Picture can be incrementally decoded as data become available thanks to the
// WebPIDecoder object. This object can be left in a SUSPENDED state if the
// picture is only partially decoded, pending additional input.
// Code example:
//
// WebPInitDecBuffer(&buffer);
// buffer.colorspace = mode;
// ...
// WebPIDecoder* idec = WebPINewDecoder(&buffer);
// while (has_more_data) {
// // ... (get additional data)
// status = WebPIAppend(idec, new_data, new_data_size);
// if (status != VP8_STATUS_SUSPENDED ||
// break;
// }
//
// // The above call decodes the current available buffer.
// // Part of the image can now be refreshed by calling to
// // WebPIDecGetRGB()/WebPIDecGetYUVA() etc.
// }
// WebPIDelete(idec);
typedef struct WebPIDecoder WebPIDecoder;
// Creates a new incremental decoder with the supplied buffer parameter.
// This output_buffer can be passed NULL, in which case a default output buffer
// is used (with MODE_RGB). Otherwise, an internal reference to 'output_buffer'
// is kept, which means that the lifespan of 'output_buffer' must be larger than
// that of the returned WebPIDecoder object.
// Returns NULL if the allocation failed.
WEBP_EXTERN(WebPIDecoder*) WebPINewDecoder(WebPDecBuffer* output_buffer);
// This function allocates and initializes an incremental-decoder object, which
// will output the RGB/A samples specified by 'csp' into a preallocated
// buffer 'output_buffer'. The size of this buffer is at least
// 'output_buffer_size' and the stride (distance in bytes between two scanlines)
// is specified by 'output_stride'. Returns NULL if the allocation failed.
WEBP_EXTERN(WebPIDecoder*) WebPINewRGB(
WEBP_CSP_MODE csp,
uint8_t* output_buffer, size_t output_buffer_size, int output_stride);
// This function allocates and initializes an incremental-decoder object, which
// will output the raw luma/chroma samples into a preallocated planes. The luma
// plane is specified by its pointer 'luma', its size 'luma_size' and its stride
// 'luma_stride'. Similarly, the chroma-u plane is specified by the 'u',
// 'u_size' and 'u_stride' parameters, and the chroma-v plane by 'v'
// and 'v_size'. And same for the alpha-plane. The 'a' pointer can be pass
// NULL in case one is not interested in the transparency plane.
// Returns NULL if the allocation failed.
WEBP_EXTERN(WebPIDecoder*) WebPINewYUVA(
uint8_t* luma, size_t luma_size, int luma_stride,
uint8_t* u, size_t u_size, int u_stride,
uint8_t* v, size_t v_size, int v_stride,
uint8_t* a, size_t a_size, int a_stride);
// Deprecated version of the above, without the alpha plane.
// Kept for backward compatibility.
WEBP_EXTERN(WebPIDecoder*) WebPINewYUV(
uint8_t* luma, size_t luma_size, int luma_stride,
uint8_t* u, size_t u_size, int u_stride,
uint8_t* v, size_t v_size, int v_stride);
// Deletes the WebPIDecoder object and associated memory. Must always be called
// if WebPINewDecoder, WebPINewRGB or WebPINewYUV succeeded.
WEBP_EXTERN(void) WebPIDelete(WebPIDecoder* idec);
// Copies and decodes the next available data. Returns VP8_STATUS_OK when
// the image is successfully decoded. Returns VP8_STATUS_SUSPENDED when more
// data is expected. Returns error in other cases.
WEBP_EXTERN(VP8StatusCode) WebPIAppend(
WebPIDecoder* idec, const uint8_t* data, size_t data_size);
// A variant of the above function to be used when data buffer contains
// partial data from the beginning. In this case data buffer is not copied
// to the internal memory.
// Note that the value of the 'data' pointer can change between calls to
// WebPIUpdate, for instance when the data buffer is resized to fit larger data.
WEBP_EXTERN(VP8StatusCode) WebPIUpdate(
WebPIDecoder* idec, const uint8_t* data, size_t data_size);
// Returns the RGB/A image decoded so far. Returns NULL if output params
// are not initialized yet. The RGB/A output type corresponds to the colorspace
// specified during call to WebPINewDecoder() or WebPINewRGB().
// *last_y is the index of last decoded row in raster scan order. Some pointers
// (*last_y, *width etc.) can be NULL if corresponding information is not
// needed.
WEBP_EXTERN(uint8_t*) WebPIDecGetRGB(
const WebPIDecoder* idec, int* last_y,
int* width, int* height, int* stride);
// Same as above function to get a YUVA image. Returns pointer to the luma
// plane or NULL in case of error. If there is no alpha information
// the alpha pointer '*a' will be returned NULL.
WEBP_EXTERN(uint8_t*) WebPIDecGetYUVA(
const WebPIDecoder* idec, int* last_y,
uint8_t** u, uint8_t** v, uint8_t** a,
int* width, int* height, int* stride, int* uv_stride, int* a_stride);
// Deprecated alpha-less version of WebPIDecGetYUVA(): it will ignore the
// alpha information (if present). Kept for backward compatibility.
static WEBP_INLINE uint8_t* WebPIDecGetYUV(
const WebPIDecoder* idec, int* last_y, uint8_t** u, uint8_t** v,
int* width, int* height, int* stride, int* uv_stride) {
return WebPIDecGetYUVA(idec, last_y, u, v, NULL, width, height,
stride, uv_stride, NULL);
}
// Generic call to retrieve information about the displayable area.
// If non NULL, the left/right/width/height pointers are filled with the visible
// rectangular area so far.
// Returns NULL in case the incremental decoder object is in an invalid state.
// Otherwise returns the pointer to the internal representation. This structure
// is read-only, tied to WebPIDecoder's lifespan and should not be modified.
WEBP_EXTERN(const WebPDecBuffer*) WebPIDecodedArea(
const WebPIDecoder* idec, int* left, int* top, int* width, int* height);
//------------------------------------------------------------------------------
// Advanced decoding parametrization
//
// Code sample for using the advanced decoding API
/*
// A) Init a configuration object
WebPDecoderConfig config;
CHECK(WebPInitDecoderConfig(&config));
// B) optional: retrieve the bitstream's features.
CHECK(WebPGetFeatures(data, data_size, &config.input) == VP8_STATUS_OK);
// C) Adjust 'config', if needed
config.no_fancy = 1;
config.output.colorspace = MODE_BGRA;
// etc.
// Note that you can also make config.output point to an externally
// supplied memory buffer, provided it's big enough to store the decoded
// picture. Otherwise, config.output will just be used to allocate memory
// and store the decoded picture.
// D) Decode!
CHECK(WebPDecode(data, data_size, &config) == VP8_STATUS_OK);
// E) Decoded image is now in config.output (and config.output.u.RGBA)
// F) Reclaim memory allocated in config's object. It's safe to call
// this function even if the memory is external and wasn't allocated
// by WebPDecode().
WebPFreeDecBuffer(&config.output);
*/
// Features gathered from the bitstream
typedef struct {
int width; // Width in pixels, as read from the bitstream.
int height; // Height in pixels, as read from the bitstream.
int has_alpha; // True if the bitstream contains an alpha channel.
// Unused for now:
int bitstream_version; // should be 0 for now. TODO(later)
int no_incremental_decoding; // if true, using incremental decoding is not
// recommended.
int rotate; // TODO(later)
int uv_sampling; // should be 0 for now. TODO(later)
uint32_t pad[3]; // padding for later use
} WebPBitstreamFeatures;
// Internal, version-checked, entry point
WEBP_EXTERN(VP8StatusCode) WebPGetFeaturesInternal(
const uint8_t*, size_t, WebPBitstreamFeatures*, int);
// Retrieve features from the bitstream. The *features structure is filled
// with information gathered from the bitstream.
// Returns false in case of error or version mismatch.
// In case of error, features->bitstream_status will reflect the error code.
static WEBP_INLINE VP8StatusCode WebPGetFeatures(
const uint8_t* data, size_t data_size,
WebPBitstreamFeatures* features) {
return WebPGetFeaturesInternal(data, data_size, features,
WEBP_DECODER_ABI_VERSION);
}
// Decoding options
typedef struct {
int bypass_filtering; // if true, skip the in-loop filtering
int no_fancy_upsampling; // if true, use faster pointwise upsampler
int use_cropping; // if true, cropping is applied _first_
int crop_left, crop_top; // top-left position for cropping.
// Will be snapped to even values.
int crop_width, crop_height; // dimension of the cropping area
int use_scaling; // if true, scaling is applied _afterward_
int scaled_width, scaled_height; // final resolution
int use_threads; // if true, use multi-threaded decoding
// Unused for now:
int force_rotation; // forced rotation (to be applied _last_)
int no_enhancement; // if true, discard enhancement layer
uint32_t pad[6]; // padding for later use
} WebPDecoderOptions;
// Main object storing the configuration for advanced decoding.
typedef struct {
WebPBitstreamFeatures input; // Immutable bitstream features (optional)
WebPDecBuffer output; // Output buffer (can point to external mem)
WebPDecoderOptions options; // Decoding options
} WebPDecoderConfig;
// Internal, version-checked, entry point
WEBP_EXTERN(int) WebPInitDecoderConfigInternal(WebPDecoderConfig*, int);
// Initialize the configuration as empty. This function must always be
// called first, unless WebPGetFeatures() is to be called.
// Returns false in case of mismatched version.
static WEBP_INLINE int WebPInitDecoderConfig(WebPDecoderConfig* config) {
return WebPInitDecoderConfigInternal(config, WEBP_DECODER_ABI_VERSION);
}
// Instantiate a new incremental decoder object with the requested
// configuration. The bitstream can be passed using 'data' and 'data_size'
// parameter, in which case the features will be parsed and stored into
// config->input. Otherwise, 'data' can be NULL and no parsing will occur.
// Note that 'config' can be NULL too, in which case a default configuration
// is used.
// The return WebPIDecoder object must always be deleted calling WebPIDelete().
// Returns NULL in case of error (and config->status will then reflect
// the error condition).
WEBP_EXTERN(WebPIDecoder*) WebPIDecode(const uint8_t* data, size_t data_size,
WebPDecoderConfig* config);
// Non-incremental version. This version decodes the full data at once, taking
// 'config' into account. Returns decoding status (which should be VP8_STATUS_OK
// if the decoding was successful).
WEBP_EXTERN(VP8StatusCode) WebPDecode(const uint8_t* data, size_t data_size,
WebPDecoderConfig* config);
#if defined(__cplusplus) || defined(c_plusplus)
} // extern "C"
#endif
#endif /* WEBP_WEBP_DECODE_H_ */

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// Copyright 2011 Google Inc. All Rights Reserved.
//
// This code is licensed under the same terms as WebM:
// Software License Agreement: http://www.webmproject.org/license/software/
// Additional IP Rights Grant: http://www.webmproject.org/license/additional/
// -----------------------------------------------------------------------------
//
// WebP encoder: main interface
//
// Author: Skal (pascal.massimino@gmail.com)
#ifndef WEBP_WEBP_ENCODE_H_
#define WEBP_WEBP_ENCODE_H_
#include "./types.h"
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
#define WEBP_ENCODER_ABI_VERSION 0x0200 // MAJOR(8b) + MINOR(8b)
// Return the encoder's version number, packed in hexadecimal using 8bits for
// each of major/minor/revision. E.g: v2.5.7 is 0x020507.
WEBP_EXTERN(int) WebPGetEncoderVersion(void);
//------------------------------------------------------------------------------
// One-stop-shop call! No questions asked:
// Returns the size of the compressed data (pointed to by *output), or 0 if
// an error occurred. The compressed data must be released by the caller
// using the call 'free(*output)'.
// These functions compress using the lossy format, and the quality_factor
// can go from 0 (smaller output, lower quality) to 100 (best quality,
// larger output).
WEBP_EXTERN(size_t) WebPEncodeRGB(const uint8_t* rgb,
int width, int height, int stride,
float quality_factor, uint8_t** output);
WEBP_EXTERN(size_t) WebPEncodeBGR(const uint8_t* bgr,
int width, int height, int stride,
float quality_factor, uint8_t** output);
WEBP_EXTERN(size_t) WebPEncodeRGBA(const uint8_t* rgba,
int width, int height, int stride,
float quality_factor, uint8_t** output);
WEBP_EXTERN(size_t) WebPEncodeBGRA(const uint8_t* bgra,
int width, int height, int stride,
float quality_factor, uint8_t** output);
// These functions are the equivalent of the above, but compressing in a
// lossless manner. Files are usually larger than lossy format, but will
// not suffer any compression loss.
WEBP_EXTERN(size_t) WebPEncodeLosslessRGB(const uint8_t* rgb,
int width, int height, int stride,
uint8_t** output);
WEBP_EXTERN(size_t) WebPEncodeLosslessBGR(const uint8_t* bgr,
int width, int height, int stride,
uint8_t** output);
WEBP_EXTERN(size_t) WebPEncodeLosslessRGBA(const uint8_t* rgba,
int width, int height, int stride,
uint8_t** output);
WEBP_EXTERN(size_t) WebPEncodeLosslessBGRA(const uint8_t* bgra,
int width, int height, int stride,
uint8_t** output);
//------------------------------------------------------------------------------
// Coding parameters
// Image characteristics hint for the underlying encoder.
typedef enum {
WEBP_HINT_DEFAULT = 0, // default preset.
WEBP_HINT_PICTURE, // digital picture, like portrait, inner shot
WEBP_HINT_PHOTO, // outdoor photograph, with natural lighting
WEBP_HINT_GRAPH, // Discrete tone image (graph, map-tile etc).
WEBP_HINT_LAST
} WebPImageHint;
typedef struct {
int lossless; // Lossless encoding (0=lossy(default), 1=lossless).
float quality; // between 0 (smallest file) and 100 (biggest)
int method; // quality/speed trade-off (0=fast, 6=slower-better)
WebPImageHint image_hint; // Hint for image type (lossless only for now).
// Parameters related to lossy compression only:
int target_size; // if non-zero, set the desired target size in bytes.
// Takes precedence over the 'compression' parameter.
float target_PSNR; // if non-zero, specifies the minimal distortion to
// try to achieve. Takes precedence over target_size.
int segments; // maximum number of segments to use, in [1..4]
int sns_strength; // Spatial Noise Shaping. 0=off, 100=maximum.
int filter_strength; // range: [0 = off .. 100 = strongest]
int filter_sharpness; // range: [0 = off .. 7 = least sharp]
int filter_type; // filtering type: 0 = simple, 1 = strong (only used
// if filter_strength > 0 or autofilter > 0)
int autofilter; // Auto adjust filter's strength [0 = off, 1 = on]
int alpha_compression; // Algorithm for encoding the alpha plane (0 = none,
// 1 = compressed with WebP lossless). Default is 1.
int alpha_filtering; // Predictive filtering method for alpha plane.
// 0: none, 1: fast, 2: best. Default if 1.
int alpha_quality; // Between 0 (smallest size) and 100 (lossless).
// Default is 100.
int pass; // number of entropy-analysis passes (in [1..10]).
int show_compressed; // if true, export the compressed picture back.
// In-loop filtering is not applied.
int preprocessing; // preprocessing filter (0=none, 1=segment-smooth)
int partitions; // log2(number of token partitions) in [0..3]. Default
// is set to 0 for easier progressive decoding.
int partition_limit; // quality degradation allowed to fit the 512k limit
// on prediction modes coding (0: no degradation,
// 100: maximum possible degradation).
uint32_t pad[8]; // padding for later use
} WebPConfig;
// Enumerate some predefined settings for WebPConfig, depending on the type
// of source picture. These presets are used when calling WebPConfigPreset().
typedef enum {
WEBP_PRESET_DEFAULT = 0, // default preset.
WEBP_PRESET_PICTURE, // digital picture, like portrait, inner shot
WEBP_PRESET_PHOTO, // outdoor photograph, with natural lighting
WEBP_PRESET_DRAWING, // hand or line drawing, with high-contrast details
WEBP_PRESET_ICON, // small-sized colorful images
WEBP_PRESET_TEXT // text-like
} WebPPreset;
// Internal, version-checked, entry point
WEBP_EXTERN(int) WebPConfigInitInternal(WebPConfig*, WebPPreset, float, int);
// Should always be called, to initialize a fresh WebPConfig structure before
// modification. Returns false in case of version mismatch. WebPConfigInit()
// must have succeeded before using the 'config' object.
// Note that the default values are lossless=0 and quality=75.
static WEBP_INLINE int WebPConfigInit(WebPConfig* config) {
return WebPConfigInitInternal(config, WEBP_PRESET_DEFAULT, 75.f,
WEBP_ENCODER_ABI_VERSION);
}
// This function will initialize the configuration according to a predefined
// set of parameters (referred to by 'preset') and a given quality factor.
// This function can be called as a replacement to WebPConfigInit(). Will
// return false in case of error.
static WEBP_INLINE int WebPConfigPreset(WebPConfig* config,
WebPPreset preset, float quality) {
return WebPConfigInitInternal(config, preset, quality,
WEBP_ENCODER_ABI_VERSION);
}
// Returns true if 'config' is non-NULL and all configuration parameters are
// within their valid ranges.
WEBP_EXTERN(int) WebPValidateConfig(const WebPConfig* config);
//------------------------------------------------------------------------------
// Input / Output
typedef struct WebPPicture WebPPicture; // main structure for I/O
// Structure for storing auxiliary statistics (mostly for lossy encoding).
typedef struct {
int coded_size; // final size
float PSNR[5]; // peak-signal-to-noise ratio for Y/U/V/All/Alpha
int block_count[3]; // number of intra4/intra16/skipped macroblocks
int header_bytes[2]; // approximate number of bytes spent for header
// and mode-partition #0
int residual_bytes[3][4]; // approximate number of bytes spent for
// DC/AC/uv coefficients for each (0..3) segments.
int segment_size[4]; // number of macroblocks in each segments
int segment_quant[4]; // quantizer values for each segments
int segment_level[4]; // filtering strength for each segments [0..63]
int alpha_data_size; // size of the transparency data
int layer_data_size; // size of the enhancement layer data
// lossless encoder statistics
uint32_t lossless_features; // bit0:predictor bit1:cross-color transform
// bit2:subtract-green bit3:color indexing
int histogram_bits; // number of precision bits of histogram
int transform_bits; // precision bits for transform
int cache_bits; // number of bits for color cache lookup
int palette_size; // number of color in palette, if used
int lossless_size; // final lossless size
uint32_t pad[4]; // padding for later use
} WebPAuxStats;
// Signature for output function. Should return true if writing was successful.
// data/data_size is the segment of data to write, and 'picture' is for
// reference (and so one can make use of picture->custom_ptr).
typedef int (*WebPWriterFunction)(const uint8_t* data, size_t data_size,
const WebPPicture* picture);
// WebPMemoryWrite: a special WebPWriterFunction that writes to memory using
// the following WebPMemoryWriter object (to be set as a custom_ptr).
typedef struct {
uint8_t* mem; // final buffer (of size 'max_size', larger than 'size').
size_t size; // final size
size_t max_size; // total capacity
uint32_t pad[1]; // padding for later use
} WebPMemoryWriter;
// The following must be called first before any use.
WEBP_EXTERN(void) WebPMemoryWriterInit(WebPMemoryWriter* writer);
// The custom writer to be used with WebPMemoryWriter as custom_ptr. Upon
// completion, writer.mem and writer.size will hold the coded data.
WEBP_EXTERN(int) WebPMemoryWrite(const uint8_t* data, size_t data_size,
const WebPPicture* picture);
// Progress hook, called from time to time to report progress. It can return
// false to request an abort of the encoding process, or true otherwise if
// everything is OK.
typedef int (*WebPProgressHook)(int percent, const WebPPicture* picture);
typedef enum {
// chroma sampling
WEBP_YUV420 = 0, // 4:2:0
WEBP_YUV422 = 1, // 4:2:2
WEBP_YUV444 = 2, // 4:4:4
WEBP_YUV400 = 3, // grayscale
WEBP_CSP_UV_MASK = 3, // bit-mask to get the UV sampling factors
// alpha channel variants
WEBP_YUV420A = 4,
WEBP_YUV422A = 5,
WEBP_YUV444A = 6,
WEBP_YUV400A = 7, // grayscale + alpha
WEBP_CSP_ALPHA_BIT = 4 // bit that is set if alpha is present
} WebPEncCSP;
// Encoding error conditions.
typedef enum {
VP8_ENC_OK = 0,
VP8_ENC_ERROR_OUT_OF_MEMORY, // memory error allocating objects
VP8_ENC_ERROR_BITSTREAM_OUT_OF_MEMORY, // memory error while flushing bits
VP8_ENC_ERROR_NULL_PARAMETER, // a pointer parameter is NULL
VP8_ENC_ERROR_INVALID_CONFIGURATION, // configuration is invalid
VP8_ENC_ERROR_BAD_DIMENSION, // picture has invalid width/height
VP8_ENC_ERROR_PARTITION0_OVERFLOW, // partition is bigger than 512k
VP8_ENC_ERROR_PARTITION_OVERFLOW, // partition is bigger than 16M
VP8_ENC_ERROR_BAD_WRITE, // error while flushing bytes
VP8_ENC_ERROR_FILE_TOO_BIG, // file is bigger than 4G
VP8_ENC_ERROR_USER_ABORT, // abort request by user
VP8_ENC_ERROR_LAST // list terminator. always last.
} WebPEncodingError;
// maximum width/height allowed (inclusive), in pixels
#define WEBP_MAX_DIMENSION 16383
// Main exchange structure (input samples, output bytes, statistics)
struct WebPPicture {
// INPUT
//////////////
// Main flag for encoder selecting between ARGB or YUV input.
// It is recommended to use ARGB input (*argb, argb_stride) for lossless
// compression, and YUV input (*y, *u, *v, etc.) for lossy compression
// since these are the respective native colorspace for these formats.
int use_argb;
// YUV input (mostly used for input to lossy compression)
WebPEncCSP colorspace; // colorspace: should be YUV420 for now (=Y'CbCr).
int width, height; // dimensions (less or equal to WEBP_MAX_DIMENSION)
uint8_t *y, *u, *v; // pointers to luma/chroma planes.
int y_stride, uv_stride; // luma/chroma strides.
uint8_t* a; // pointer to the alpha plane
int a_stride; // stride of the alpha plane
uint32_t pad1[2]; // padding for later use
// ARGB input (mostly used for input to lossless compression)
uint32_t* argb; // Pointer to argb (32 bit) plane.
int argb_stride; // This is stride in pixels units, not bytes.
uint32_t pad2[3]; // padding for later use
// OUTPUT
///////////////
// Byte-emission hook, to store compressed bytes as they are ready.
WebPWriterFunction writer; // can be NULL
void* custom_ptr; // can be used by the writer.
// map for extra information (only for lossy compression mode)
int extra_info_type; // 1: intra type, 2: segment, 3: quant
// 4: intra-16 prediction mode,
// 5: chroma prediction mode,
// 6: bit cost, 7: distortion
uint8_t* extra_info; // if not NULL, points to an array of size
// ((width + 15) / 16) * ((height + 15) / 16) that
// will be filled with a macroblock map, depending
// on extra_info_type.
// STATS AND REPORTS
///////////////////////////
// Pointer to side statistics (updated only if not NULL)
WebPAuxStats* stats;
// Error code for the latest error encountered during encoding
WebPEncodingError error_code;
// If not NULL, report progress during encoding.
WebPProgressHook progress_hook;
void* user_data; // this field is free to be set to any value and
// used during callbacks (like progress-report e.g.).
uint32_t pad3[3]; // padding for later use
// Unused for now: original samples (for non-YUV420 modes)
uint8_t *u0, *v0;
int uv0_stride;
uint32_t pad4[7]; // padding for later use
// PRIVATE FIELDS
////////////////////
void* memory_; // row chunk of memory for yuva planes
void* memory_argb_; // and for argb too.
void* pad5[2]; // padding for later use
};
// Internal, version-checked, entry point
WEBP_EXTERN(int) WebPPictureInitInternal(WebPPicture*, int);
// Should always be called, to initialize the structure. Returns false in case
// of version mismatch. WebPPictureInit() must have succeeded before using the
// 'picture' object.
// Note that, by default, use_argb is false and colorspace is WEBP_YUV420.
static WEBP_INLINE int WebPPictureInit(WebPPicture* picture) {
return WebPPictureInitInternal(picture, WEBP_ENCODER_ABI_VERSION);
}
//------------------------------------------------------------------------------
// WebPPicture utils
// Convenience allocation / deallocation based on picture->width/height:
// Allocate y/u/v buffers as per colorspace/width/height specification.
// Note! This function will free the previous buffer if needed.
// Returns false in case of memory error.
WEBP_EXTERN(int) WebPPictureAlloc(WebPPicture* picture);
// Release the memory allocated by WebPPictureAlloc() or WebPPictureImport*().
// Note that this function does _not_ free the memory used by the 'picture'
// object itself.
// Besides memory (which is reclaimed) all other fields of 'picture' are
// preserved.
WEBP_EXTERN(void) WebPPictureFree(WebPPicture* picture);
// Copy the pixels of *src into *dst, using WebPPictureAlloc. Upon return,
// *dst will fully own the copied pixels (this is not a view).
// Returns false in case of memory allocation error.
WEBP_EXTERN(int) WebPPictureCopy(const WebPPicture* src, WebPPicture* dst);
// Compute PSNR or SSIM distortion between two pictures.
// Result is in dB, stores in result[] in the Y/U/V/Alpha/All order.
// Returns false in case of error (pic1 and pic2 don't have same dimension, ...)
// Warning: this function is rather CPU-intensive.
WEBP_EXTERN(int) WebPPictureDistortion(
const WebPPicture* pic1, const WebPPicture* pic2,
int metric_type, // 0 = PSNR, 1 = SSIM
float result[5]);
// self-crops a picture to the rectangle defined by top/left/width/height.
// Returns false in case of memory allocation error, or if the rectangle is
// outside of the source picture.
// The rectangle for the view is defined by the top-left corner pixel
// coordinates (left, top) as well as its width and height. This rectangle
// must be fully be comprised inside the 'src' source picture. If the source
// picture uses the YUV420 colorspace, the top and left coordinates will be
// snapped to even values.
WEBP_EXTERN(int) WebPPictureCrop(WebPPicture* picture,
int left, int top, int width, int height);
// Extracts a view from 'src' picture into 'dst'. The rectangle for the view
// is defined by the top-left corner pixel coordinates (left, top) as well
// as its width and height. This rectangle must be fully be comprised inside
// the 'src' source picture. If the source picture uses the YUV420 colorspace,
// the top and left coordinates will be snapped to even values.
// Picture 'src' must out-live 'dst' picture. Self-extraction of view is allowed
// ('src' equal to 'dst') as a mean of fast-cropping (but note that doing so,
// the original dimension will be lost).
// Returns false in case of memory allocation error or invalid parameters.
WEBP_EXTERN(int) WebPPictureView(const WebPPicture* src,
int left, int top, int width, int height,
WebPPicture* dst);
// Returns true if the 'picture' is actually a view and therefore does
// not own the memory for pixels.
WEBP_EXTERN(int) WebPPictureIsView(const WebPPicture* picture);
// Rescale a picture to new dimension width x height.
// Now gamma correction is applied.
// Returns false in case of error (invalid parameter or insufficient memory).
WEBP_EXTERN(int) WebPPictureRescale(WebPPicture* pic, int width, int height);
// Colorspace conversion function to import RGB samples.
// Previous buffer will be free'd, if any.
// *rgb buffer should have a size of at least height * rgb_stride.
// Returns false in case of memory error.
WEBP_EXTERN(int) WebPPictureImportRGB(
WebPPicture* picture, const uint8_t* rgb, int rgb_stride);
// Same, but for RGBA buffer.
WEBP_EXTERN(int) WebPPictureImportRGBA(
WebPPicture* picture, const uint8_t* rgba, int rgba_stride);
// Same, but for RGBA buffer. Imports the RGB direct from the 32-bit format
// input buffer ignoring the alpha channel. Avoids needing to copy the data
// to a temporary 24-bit RGB buffer to import the RGB only.
WEBP_EXTERN(int) WebPPictureImportRGBX(
WebPPicture* picture, const uint8_t* rgbx, int rgbx_stride);
// Variants of the above, but taking BGR(A|X) input.
WEBP_EXTERN(int) WebPPictureImportBGR(
WebPPicture* picture, const uint8_t* bgr, int bgr_stride);
WEBP_EXTERN(int) WebPPictureImportBGRA(
WebPPicture* picture, const uint8_t* bgra, int bgra_stride);
WEBP_EXTERN(int) WebPPictureImportBGRX(
WebPPicture* picture, const uint8_t* bgrx, int bgrx_stride);
// Converts picture->argb data to the YUVA format specified by 'colorspace'.
// Upon return, picture->use_argb is set to false. The presence of real
// non-opaque transparent values is detected, and 'colorspace' will be
// adjusted accordingly. Note that this method is lossy.
// Returns false in case of error.
WEBP_EXTERN(int) WebPPictureARGBToYUVA(WebPPicture* picture,
WebPEncCSP colorspace);
// Converts picture->yuv to picture->argb and sets picture->use_argb to true.
// The input format must be YUV_420 or YUV_420A.
// Note that the use of this method is discouraged if one has access to the
// raw ARGB samples, since using YUV420 is comparatively lossy. Also, the
// conversion from YUV420 to ARGB incurs a small loss too.
// Returns false in case of error.
WEBP_EXTERN(int) WebPPictureYUVAToARGB(WebPPicture* picture);
// Helper function: given a width x height plane of YUV(A) samples
// (with stride 'stride'), clean-up the YUV samples under fully transparent
// area, to help compressibility (no guarantee, though).
WEBP_EXTERN(void) WebPCleanupTransparentArea(WebPPicture* picture);
// Scan the picture 'picture' for the presence of non fully opaque alpha values.
// Returns true in such case. Otherwise returns false (indicating that the
// alpha plane can be ignored altogether e.g.).
WEBP_EXTERN(int) WebPPictureHasTransparency(const WebPPicture* picture);
//------------------------------------------------------------------------------
// Main call
// Main encoding call, after config and picture have been initialized.
// 'picture' must be less than 16384x16384 in dimension (cf WEBP_MAX_DIMENSION),
// and the 'config' object must be a valid one.
// Returns false in case of error, true otherwise.
// In case of error, picture->error_code is updated accordingly.
// 'picture' can hold the source samples in both YUV(A) or ARGB input, depending
// on the value of 'picture->use_argb'. It is highly recommended to use
// the former for lossy encoding, and the latter for lossless encoding
// (when config.lossless is true). Automatic conversion from one format to
// another is provided but they both incur some loss.
WEBP_EXTERN(int) WebPEncode(const WebPConfig* config, WebPPicture* picture);
//------------------------------------------------------------------------------
#if defined(__cplusplus) || defined(c_plusplus)
} // extern "C"
#endif
#endif /* WEBP_WEBP_ENCODE_H_ */

45
cocos2dx/platform/third_party/linux/libwebp/types.h vendored Normal file
View File

@ -0,0 +1,45 @@
// Copyright 2010 Google Inc. All Rights Reserved.
//
// This code is licensed under the same terms as WebM:
// Software License Agreement: http://www.webmproject.org/license/software/
// Additional IP Rights Grant: http://www.webmproject.org/license/additional/
// -----------------------------------------------------------------------------
//
// Common types
//
// Author: Skal (pascal.massimino@gmail.com)
#ifndef WEBP_WEBP_TYPES_H_
#define WEBP_WEBP_TYPES_H_
#include <stddef.h> // for size_t
#ifndef _MSC_VER
#include <inttypes.h>
#ifdef __STRICT_ANSI__
#define WEBP_INLINE
#else /* __STRICT_ANSI__ */
#define WEBP_INLINE inline
#endif
#else
typedef signed char int8_t;
typedef unsigned char uint8_t;
typedef signed short int16_t;
typedef unsigned short uint16_t;
typedef signed int int32_t;
typedef unsigned int uint32_t;
typedef unsigned long long int uint64_t;
typedef long long int int64_t;
#define WEBP_INLINE __forceinline
#endif /* _MSC_VER */
#ifndef WEBP_EXTERN
// This explicitly marks library functions and allows for changing the
// signature for e.g., Windows DLL builds.
#define WEBP_EXTERN(type) extern type
#endif /* WEBP_EXTERN */
// Macro to check ABI compatibility (same major revision number)
#define WEBP_ABI_IS_INCOMPATIBLE(a, b) (((a) >> 8) != ((b) >> 8))
#endif /* WEBP_WEBP_TYPES_H_ */

24
cocos2dx/proj.linux/.cproject
View File

@ -1,7 +1,5 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<?fileVersion 4.0.0?>
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@ -42,6 +40,7 @@
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@ -64,7 +63,7 @@
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@ -91,8 +90,9 @@
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@ -173,6 +173,7 @@
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<listOptionValue builtIn="false" value="LINUX"/>
@ -483,6 +488,7 @@
<listOptionValue builtIn="false" value="../../../cocos2dx/platform/third_party/linux/libraries/lib64/libxml2.a"/>
<listOptionValue builtIn="false" value="../../../cocos2dx/platform/third_party/linux/libraries/lib64/libpng.a"/>
<listOptionValue builtIn="false" value="../../../cocos2dx/platform/third_party/linux/libraries/lib64/libjpeg.a"/>
<listOptionValue builtIn="false" value="../../../cocos2dx/platform/third_party/linux/libraries/lib64/libwebp.a"/>
</option>
<option id="gnu.cpp.link.option.paths.2133869956" name="Library search path (-L)" superClass="gnu.cpp.link.option.paths"/>
<inputType id="cdt.managedbuild.tool.gnu.cpp.linker.input.350375429" superClass="cdt.managedbuild.tool.gnu.cpp.linker.input">

2
cocos2dx/proj.linux/.project
View File

@ -224,7 +224,7 @@
</linkedResources>
<filteredResources>
<filter>
<id>1345102407743</id>
<id>1360135975775</id>
<name>platform</name>
<type>9</type>
<matcher>

11
cocos2dx/proj.linux/Makefile
View File

@ -22,7 +22,8 @@ INCLUDES = -I.. \
-I../platform/third_party/linux/libxml2 \
-I../platform/third_party/linux/libpng \
-I../platform/third_party/linux/libjpeg \
-I../platform/third_party/linux/libtiff/include
-I../platform/third_party/linux/libtiff/include \
-I../platform/third_party/linux/libwebp
LBITS := $(shell getconf LONG_BIT)
ifeq ($(LBITS),64)
@ -87,6 +88,7 @@ OBJECTS = ../actions/CCAction.o \
../platform/CCSAXParser.o \
../platform/CCThread.o \
../platform/platform.o \
../platform/CCImageCommonWebp.o \
../platform/CCEGLViewProtocol.o \
../platform/CCFileUtils.o \
../platform/linux/CCStdC.o \
@ -164,11 +166,12 @@ STATICLIBS = $(STATICLIBS_DIR)/libfreetype.a \
$(STATICLIBS_DIR)/libxml2.a \
$(STATICLIBS_DIR)/libpng.a \
$(STATICLIBS_DIR)/libjpeg.a \
$(STATICLIBS_DIR)/libtiff.a
$(STATICLIBS_DIR)/libtiff.a \
$(STATICLIBS_DIR)/libwebp.a
SHAREDLIBS = -lglfw -lcurl -lfontconfig -lGLEW
SHAREDLIBS = -lglfw -lcurl -lfontconfig -lGLEW
debug: CCFLAGS += -g3 -O0
debug: CCFLAGS += -g3 -O0
debug: CXXFLAGS += -g3 -O0
debug: DEFINES += -DDEBUG -DCC_ENABLE_CHIPMUNK_INTEGRATION -DCOCOS2D_DEBUG=1
debug: $(TARGET)