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deps: update webp to 1.4.0

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alexey.lysiuk 2024-04-15 17:18:29 +03:00
parent 9d015c7bfb
commit eb012e6772
19 changed files with 320 additions and 156 deletions
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114
deps/webp/include/webp/decode.h vendored
View file

@ -48,34 +48,33 @@ WEBP_EXTERN int WebPGetDecoderVersion(void);
// RIFF + VP8X + (optional chunks) + VP8(L)
// ALPH + VP8 <-- Not a valid WebP format: only allowed for internal purpose.
// VP8(L) <-- Not a valid WebP format: only allowed for internal purpose.
WEBP_EXTERN int WebPGetInfo(const uint8_t* data, size_t data_size,
int* width, int* height);
WEBP_NODISCARD 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 WebPFree().
// Returns NULL in case of error.
WEBP_EXTERN uint8_t* WebPDecodeRGBA(const uint8_t* data, size_t data_size,
int* width, int* height);
WEBP_NODISCARD 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);
WEBP_NODISCARD 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);
WEBP_NODISCARD 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);
WEBP_NODISCARD 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);
WEBP_NODISCARD 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
@ -87,10 +86,9 @@ WEBP_EXTERN uint8_t* WebPDecodeBGR(const uint8_t* data, size_t data_size,
// 'width' and 'height' may be NULL, the other pointers must not be.
// Returns NULL in case of error.
// (*) Also named Y'CbCr. See: https://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);
WEBP_NODISCARD 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
@ -100,22 +98,22 @@ WEBP_EXTERN uint8_t* WebPDecodeYUV(const uint8_t* data, size_t data_size,
// 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(
WEBP_NODISCARD 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(
WEBP_NODISCARD 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(
WEBP_NODISCARD 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(
WEBP_NODISCARD 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(
WEBP_NODISCARD 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);
@ -126,7 +124,7 @@ WEBP_EXTERN uint8_t* WebPDecodeBGRInto(
// '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(
WEBP_NODISCARD 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,
@ -217,11 +215,11 @@ struct WebPDecBuffer {
};
// Internal, version-checked, entry point
WEBP_EXTERN int WebPInitDecBufferInternal(WebPDecBuffer*, int);
WEBP_NODISCARD 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) {
WEBP_NODISCARD static WEBP_INLINE int WebPInitDecBuffer(WebPDecBuffer* buffer) {
return WebPInitDecBufferInternal(buffer, WEBP_DECODER_ABI_VERSION);
}
@ -232,7 +230,7 @@ WEBP_EXTERN void WebPFreeDecBuffer(WebPDecBuffer* buffer);
//------------------------------------------------------------------------------
// Enumeration of the status codes
typedef enum VP8StatusCode {
typedef enum WEBP_NODISCARD VP8StatusCode {
VP8_STATUS_OK = 0,
VP8_STATUS_OUT_OF_MEMORY,
VP8_STATUS_INVALID_PARAM,
@ -251,23 +249,24 @@ typedef enum VP8StatusCode {
// WebPIDecoder object. This object can be left in a SUSPENDED state if the
// picture is only partially decoded, pending additional input.
// Code example:
//
// WebPInitDecBuffer(&output_buffer);
// output_buffer.colorspace = mode;
// ...
// WebPIDecoder* idec = WebPINewDecoder(&output_buffer);
// while (additional_data_is_available) {
// // ... (get additional data in some new_data[] buffer)
// status = WebPIAppend(idec, new_data, new_data_size);
// if (status != VP8_STATUS_OK && status != VP8_STATUS_SUSPENDED) {
// break; // an error occurred.
// }
//
// // The above call decodes the current available buffer.
// // Part of the image can now be refreshed by calling
// // WebPIDecGetRGB()/WebPIDecGetYUVA() etc.
// }
// WebPIDelete(idec);
/*
WebPInitDecBuffer(&output_buffer);
output_buffer.colorspace = mode;
...
WebPIDecoder* idec = WebPINewDecoder(&output_buffer);
while (additional_data_is_available) {
// ... (get additional data in some new_data[] buffer)
status = WebPIAppend(idec, new_data, new_data_size);
if (status != VP8_STATUS_OK && status != VP8_STATUS_SUSPENDED) {
break; // an error occurred.
}
// The above call decodes the current available buffer.
// Part of the image can now be refreshed by calling
// WebPIDecGetRGB()/WebPIDecGetYUVA() etc.
}
WebPIDelete(idec);
*/
// Creates a new incremental decoder with the supplied buffer parameter.
// This output_buffer can be passed NULL, in which case a default output buffer
@ -281,7 +280,8 @@ typedef enum VP8StatusCode {
// within valid bounds.
// All other fields of WebPDecBuffer MUST remain constant between calls.
// Returns NULL if the allocation failed.
WEBP_EXTERN WebPIDecoder* WebPINewDecoder(WebPDecBuffer* output_buffer);
WEBP_NODISCARD 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
@ -293,7 +293,7 @@ WEBP_EXTERN WebPIDecoder* WebPINewDecoder(WebPDecBuffer* output_buffer);
// colorspace 'csp' is taken into account for allocating this buffer. All other
// parameters are ignored.
// Returns NULL if the allocation failed, or if some parameters are invalid.
WEBP_EXTERN WebPIDecoder* WebPINewRGB(
WEBP_NODISCARD WEBP_EXTERN WebPIDecoder* WebPINewRGB(
WEBP_CSP_MODE csp,
uint8_t* output_buffer, size_t output_buffer_size, int output_stride);
@ -308,7 +308,7 @@ WEBP_EXTERN WebPIDecoder* WebPINewRGB(
// In this case, the output buffer will be automatically allocated (using
// MODE_YUVA) when decoding starts. All parameters are then ignored.
// Returns NULL if the allocation failed or if a parameter is invalid.
WEBP_EXTERN WebPIDecoder* WebPINewYUVA(
WEBP_NODISCARD 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,
@ -316,7 +316,7 @@ WEBP_EXTERN WebPIDecoder* WebPINewYUVA(
// Deprecated version of the above, without the alpha plane.
// Kept for backward compatibility.
WEBP_EXTERN WebPIDecoder* WebPINewYUV(
WEBP_NODISCARD 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);
@ -346,21 +346,21 @@ WEBP_EXTERN VP8StatusCode WebPIUpdate(
// (*last_y, *width etc.) can be NULL if corresponding information is not
// needed. The values in these pointers are only valid on successful (non-NULL)
// return.
WEBP_EXTERN uint8_t* WebPIDecGetRGB(
WEBP_NODISCARD 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(
WEBP_NODISCARD 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(
WEBP_NODISCARD 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,
@ -373,7 +373,7 @@ static WEBP_INLINE uint8_t* WebPIDecGetYUV(
// 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(
WEBP_NODISCARD WEBP_EXTERN const WebPDecBuffer* WebPIDecodedArea(
const WebPIDecoder* idec, int* left, int* top, int* width, int* height);
//------------------------------------------------------------------------------
@ -389,7 +389,7 @@ WEBP_EXTERN const WebPDecBuffer* WebPIDecodedArea(
CHECK(WebPGetFeatures(data, data_size, &config.input) == VP8_STATUS_OK);
// C) Adjust 'config', if needed
config.no_fancy_upsampling = 1;
config.options.no_fancy_upsampling = 1;
config.output.colorspace = MODE_BGRA;
// etc.
@ -468,12 +468,14 @@ struct WebPDecoderConfig {
};
// Internal, version-checked, entry point
WEBP_EXTERN int WebPInitDecoderConfigInternal(WebPDecoderConfig*, int);
WEBP_NODISCARD 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) {
WEBP_NODISCARD static WEBP_INLINE int WebPInitDecoderConfig(
WebPDecoderConfig* config) {
return WebPInitDecoderConfigInternal(config, WEBP_DECODER_ABI_VERSION);
}
@ -488,8 +490,8 @@ static WEBP_INLINE int WebPInitDecoderConfig(WebPDecoderConfig* config) {
// 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, if available).
WEBP_EXTERN WebPIDecoder* WebPIDecode(const uint8_t* data, size_t data_size,
WebPDecoderConfig* config);
WEBP_NODISCARD 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

46
deps/webp/include/webp/demux.h vendored
View file

@ -50,6 +50,7 @@
#include "./decode.h" // for WEBP_CSP_MODE
#include "./mux_types.h"
#include "./types.h"
#ifdef __cplusplus
extern "C" {
@ -85,13 +86,13 @@ typedef enum WebPDemuxState {
} WebPDemuxState;
// Internal, version-checked, entry point
WEBP_EXTERN WebPDemuxer* WebPDemuxInternal(
WEBP_NODISCARD WEBP_EXTERN WebPDemuxer* WebPDemuxInternal(
const WebPData*, int, WebPDemuxState*, int);
// Parses the full WebP file given by 'data'. For single images the WebP file
// header alone or the file header and the chunk header may be absent.
// Returns a WebPDemuxer object on successful parse, NULL otherwise.
static WEBP_INLINE WebPDemuxer* WebPDemux(const WebPData* data) {
WEBP_NODISCARD static WEBP_INLINE WebPDemuxer* WebPDemux(const WebPData* data) {
return WebPDemuxInternal(data, 0, NULL, WEBP_DEMUX_ABI_VERSION);
}
@ -103,7 +104,7 @@ static WEBP_INLINE WebPDemuxer* WebPDemux(const WebPData* data) {
// If this data is volatile, the demuxer object should be deleted (by calling
// WebPDemuxDelete()) and WebPDemuxPartial() called again on the new data.
// This is usually an inexpensive operation.
static WEBP_INLINE WebPDemuxer* WebPDemuxPartial(
WEBP_NODISCARD static WEBP_INLINE WebPDemuxer* WebPDemuxPartial(
const WebPData* data, WebPDemuxState* state) {
return WebPDemuxInternal(data, 1, state, WEBP_DEMUX_ABI_VERSION);
}
@ -164,14 +165,14 @@ struct WebPIterator {
// Returns false if 'dmux' is NULL or frame 'frame_number' is not present.
// Call WebPDemuxReleaseIterator() when use of the iterator is complete.
// NOTE: 'dmux' must persist for the lifetime of 'iter'.
WEBP_EXTERN int WebPDemuxGetFrame(
WEBP_NODISCARD WEBP_EXTERN int WebPDemuxGetFrame(
const WebPDemuxer* dmux, int frame_number, WebPIterator* iter);
// Sets 'iter->fragment' to point to the next ('iter->frame_num' + 1) or
// previous ('iter->frame_num' - 1) frame. These functions do not loop.
// Returns true on success, false otherwise.
WEBP_EXTERN int WebPDemuxNextFrame(WebPIterator* iter);
WEBP_EXTERN int WebPDemuxPrevFrame(WebPIterator* iter);
WEBP_NODISCARD WEBP_EXTERN int WebPDemuxNextFrame(WebPIterator* iter);
WEBP_NODISCARD WEBP_EXTERN int WebPDemuxPrevFrame(WebPIterator* iter);
// Releases any memory associated with 'iter'.
// Must be called before any subsequent calls to WebPDemuxGetChunk() on the same
@ -202,15 +203,16 @@ struct WebPChunkIterator {
// payloads are accessed through WebPDemuxGetFrame() and related functions.
// Call WebPDemuxReleaseChunkIterator() when use of the iterator is complete.
// NOTE: 'dmux' must persist for the lifetime of the iterator.
WEBP_EXTERN int WebPDemuxGetChunk(const WebPDemuxer* dmux,
const char fourcc[4], int chunk_number,
WebPChunkIterator* iter);
WEBP_NODISCARD WEBP_EXTERN int WebPDemuxGetChunk(const WebPDemuxer* dmux,
const char fourcc[4],
int chunk_number,
WebPChunkIterator* iter);
// Sets 'iter->chunk' to point to the next ('iter->chunk_num' + 1) or previous
// ('iter->chunk_num' - 1) chunk. These functions do not loop.
// Returns true on success, false otherwise.
WEBP_EXTERN int WebPDemuxNextChunk(WebPChunkIterator* iter);
WEBP_EXTERN int WebPDemuxPrevChunk(WebPChunkIterator* iter);
WEBP_NODISCARD WEBP_EXTERN int WebPDemuxNextChunk(WebPChunkIterator* iter);
WEBP_NODISCARD WEBP_EXTERN int WebPDemuxPrevChunk(WebPChunkIterator* iter);
// Releases any memory associated with 'iter'.
// Must be called before destroying the associated WebPDemuxer with
@ -257,21 +259,21 @@ struct WebPAnimDecoderOptions {
};
// Internal, version-checked, entry point.
WEBP_EXTERN int WebPAnimDecoderOptionsInitInternal(
WEBP_NODISCARD WEBP_EXTERN int WebPAnimDecoderOptionsInitInternal(
WebPAnimDecoderOptions*, int);
// Should always be called, to initialize a fresh WebPAnimDecoderOptions
// structure before modification. Returns false in case of version mismatch.
// WebPAnimDecoderOptionsInit() must have succeeded before using the
// 'dec_options' object.
static WEBP_INLINE int WebPAnimDecoderOptionsInit(
WEBP_NODISCARD static WEBP_INLINE int WebPAnimDecoderOptionsInit(
WebPAnimDecoderOptions* dec_options) {
return WebPAnimDecoderOptionsInitInternal(dec_options,
WEBP_DEMUX_ABI_VERSION);
}
// Internal, version-checked, entry point.
WEBP_EXTERN WebPAnimDecoder* WebPAnimDecoderNewInternal(
WEBP_NODISCARD WEBP_EXTERN WebPAnimDecoder* WebPAnimDecoderNewInternal(
const WebPData*, const WebPAnimDecoderOptions*, int);
// Creates and initializes a WebPAnimDecoder object.
@ -284,7 +286,7 @@ WEBP_EXTERN WebPAnimDecoder* WebPAnimDecoderNewInternal(
// Returns:
// A pointer to the newly created WebPAnimDecoder object, or NULL in case of
// parsing error, invalid option or memory error.
static WEBP_INLINE WebPAnimDecoder* WebPAnimDecoderNew(
WEBP_NODISCARD static WEBP_INLINE WebPAnimDecoder* WebPAnimDecoderNew(
const WebPData* webp_data, const WebPAnimDecoderOptions* dec_options) {
return WebPAnimDecoderNewInternal(webp_data, dec_options,
WEBP_DEMUX_ABI_VERSION);
@ -306,8 +308,8 @@ struct WebPAnimInfo {
// info - (out) global information fetched from the animation.
// Returns:
// True on success.
WEBP_EXTERN int WebPAnimDecoderGetInfo(const WebPAnimDecoder* dec,
WebPAnimInfo* info);
WEBP_NODISCARD WEBP_EXTERN int WebPAnimDecoderGetInfo(
const WebPAnimDecoder* dec, WebPAnimInfo* info);
// Fetch the next frame from 'dec' based on options supplied to
// WebPAnimDecoderNew(). This will be a fully reconstructed canvas of size
@ -321,8 +323,9 @@ WEBP_EXTERN int WebPAnimDecoderGetInfo(const WebPAnimDecoder* dec,
// Returns:
// False if any of the arguments are NULL, or if there is a parsing or
// decoding error, or if there are no more frames. Otherwise, returns true.
WEBP_EXTERN int WebPAnimDecoderGetNext(WebPAnimDecoder* dec,
uint8_t** buf, int* timestamp);
WEBP_NODISCARD WEBP_EXTERN int WebPAnimDecoderGetNext(WebPAnimDecoder* dec,
uint8_t** buf,
int* timestamp);
// Check if there are more frames left to decode.
// Parameters:
@ -330,7 +333,8 @@ WEBP_EXTERN int WebPAnimDecoderGetNext(WebPAnimDecoder* dec,
// Returns:
// True if 'dec' is not NULL and some frames are yet to be decoded.
// Otherwise, returns false.
WEBP_EXTERN int WebPAnimDecoderHasMoreFrames(const WebPAnimDecoder* dec);
WEBP_NODISCARD WEBP_EXTERN int WebPAnimDecoderHasMoreFrames(
const WebPAnimDecoder* dec);
// Resets the WebPAnimDecoder object, so that next call to
// WebPAnimDecoderGetNext() will restart decoding from 1st frame. This would be
@ -348,7 +352,7 @@ WEBP_EXTERN void WebPAnimDecoderReset(WebPAnimDecoder* dec);
//
// Parameters:
// dec - (in) decoder instance from which the demuxer object is to be fetched.
WEBP_EXTERN const WebPDemuxer* WebPAnimDecoderGetDemuxer(
WEBP_NODISCARD WEBP_EXTERN const WebPDemuxer* WebPAnimDecoderGetDemuxer(
const WebPAnimDecoder* dec);
// Deletes the WebPAnimDecoder object.

83
deps/webp/include/webp/encode.h vendored
View file

@ -164,13 +164,14 @@ typedef enum WebPPreset {
} WebPPreset;
// Internal, version-checked, entry point
WEBP_EXTERN int WebPConfigInitInternal(WebPConfig*, WebPPreset, float, int);
WEBP_NODISCARD 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) {
WEBP_NODISCARD static WEBP_INLINE int WebPConfigInit(WebPConfig* config) {
return WebPConfigInitInternal(config, WEBP_PRESET_DEFAULT, 75.f,
WEBP_ENCODER_ABI_VERSION);
}
@ -179,8 +180,9 @@ static WEBP_INLINE int WebPConfigInit(WebPConfig* config) {
// 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) {
WEBP_NODISCARD static WEBP_INLINE int WebPConfigPreset(WebPConfig* config,
WebPPreset preset,
float quality) {
return WebPConfigInitInternal(config, preset, quality,
WEBP_ENCODER_ABI_VERSION);
}
@ -191,11 +193,12 @@ static WEBP_INLINE int WebPConfigPreset(WebPConfig* config,
// speed and final compressed size.
// This function will overwrite several fields from config: 'method', 'quality'
// and 'lossless'. Returns false in case of parameter error.
WEBP_EXTERN int WebPConfigLosslessPreset(WebPConfig* config, int level);
WEBP_NODISCARD WEBP_EXTERN int WebPConfigLosslessPreset(WebPConfig* config,
int level);
// Returns true if 'config' is non-NULL and all configuration parameters are
// within their valid ranges.
WEBP_EXTERN int WebPValidateConfig(const WebPConfig* config);
WEBP_NODISCARD WEBP_EXTERN int WebPValidateConfig(const WebPConfig* config);
//------------------------------------------------------------------------------
// Input / Output
@ -255,8 +258,8 @@ WEBP_EXTERN void WebPMemoryWriterClear(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.
// writer.mem must be freed by calling WebPMemoryWriterClear.
WEBP_EXTERN int WebPMemoryWrite(const uint8_t* data, size_t data_size,
const WebPPicture* picture);
WEBP_NODISCARD 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
@ -364,13 +367,13 @@ struct WebPPicture {
};
// Internal, version-checked, entry point
WEBP_EXTERN int WebPPictureInitInternal(WebPPicture*, int);
WEBP_NODISCARD 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) {
WEBP_NODISCARD static WEBP_INLINE int WebPPictureInit(WebPPicture* picture) {
return WebPPictureInitInternal(picture, WEBP_ENCODER_ABI_VERSION);
}
@ -381,7 +384,7 @@ static WEBP_INLINE int WebPPictureInit(WebPPicture* picture) {
// 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);
WEBP_NODISCARD 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'
@ -394,7 +397,8 @@ WEBP_EXTERN void WebPPictureFree(WebPPicture* picture);
// will fully own the copied pixels (this is not a view). The 'dst' picture need
// not be initialized as its content is overwritten.
// Returns false in case of memory allocation error.
WEBP_EXTERN int WebPPictureCopy(const WebPPicture* src, WebPPicture* dst);
WEBP_NODISCARD WEBP_EXTERN int WebPPictureCopy(const WebPPicture* src,
WebPPicture* dst);
// Compute the single distortion for packed planes of samples.
// 'src' will be compared to 'ref', and the raw distortion stored into
@ -403,19 +407,18 @@ WEBP_EXTERN int WebPPictureCopy(const WebPPicture* src, WebPPicture* dst);
// 'x_step' is the horizontal stride (in bytes) between samples.
// 'src/ref_stride' is the byte distance between rows.
// Returns false in case of error (bad parameter, memory allocation error, ...).
WEBP_EXTERN int WebPPlaneDistortion(const uint8_t* src, size_t src_stride,
const uint8_t* ref, size_t ref_stride,
int width, int height,
size_t x_step,
int type, // 0 = PSNR, 1 = SSIM, 2 = LSIM
float* distortion, float* result);
WEBP_NODISCARD WEBP_EXTERN int WebPPlaneDistortion(
const uint8_t* src, size_t src_stride,
const uint8_t* ref, size_t ref_stride, int width, int height, size_t x_step,
int type, // 0 = PSNR, 1 = SSIM, 2 = LSIM
float* distortion, float* result);
// Compute PSNR, SSIM or LSIM distortion metric between two pictures. Results
// are in dB, stored in result[] in the B/G/R/A/All order. The distortion is
// always performed using ARGB samples. Hence if the input is YUV(A), the
// picture will be internally converted to ARGB (just for the measurement).
// Warning: this function is rather CPU-intensive.
WEBP_EXTERN int WebPPictureDistortion(
WEBP_NODISCARD WEBP_EXTERN int WebPPictureDistortion(
const WebPPicture* src, const WebPPicture* ref,
int metric_type, // 0 = PSNR, 1 = SSIM, 2 = LSIM
float result[5]);
@ -428,8 +431,8 @@ WEBP_EXTERN int WebPPictureDistortion(
// 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);
WEBP_NODISCARD 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
@ -442,9 +445,9 @@ WEBP_EXTERN int WebPPictureCrop(WebPPicture* picture,
// with WebPPictureInit() if it is different from 'src', since its content will
// be overwritten.
// Returns false in case of invalid parameters.
WEBP_EXTERN int WebPPictureView(const WebPPicture* src,
int left, int top, int width, int height,
WebPPicture* dst);
WEBP_NODISCARD 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.
@ -455,29 +458,30 @@ WEBP_EXTERN int WebPPictureIsView(const WebPPicture* picture);
// dimension will be calculated preserving the aspect ratio.
// No gamma correction is applied.
// Returns false in case of error (invalid parameter or insufficient memory).
WEBP_EXTERN int WebPPictureRescale(WebPPicture* picture, int width, int height);
WEBP_NODISCARD WEBP_EXTERN int WebPPictureRescale(WebPPicture* picture,
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(
WEBP_NODISCARD WEBP_EXTERN int WebPPictureImportRGB(
WebPPicture* picture, const uint8_t* rgb, int rgb_stride);
// Same, but for RGBA buffer.
WEBP_EXTERN int WebPPictureImportRGBA(
WEBP_NODISCARD 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(
WEBP_NODISCARD 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(
WEBP_NODISCARD WEBP_EXTERN int WebPPictureImportBGR(
WebPPicture* picture, const uint8_t* bgr, int bgr_stride);
WEBP_EXTERN int WebPPictureImportBGRA(
WEBP_NODISCARD WEBP_EXTERN int WebPPictureImportBGRA(
WebPPicture* picture, const uint8_t* bgra, int bgra_stride);
WEBP_EXTERN int WebPPictureImportBGRX(
WEBP_NODISCARD WEBP_EXTERN int WebPPictureImportBGRX(
WebPPicture* picture, const uint8_t* bgrx, int bgrx_stride);
// Converts picture->argb data to the YUV420A format. The 'colorspace'
@ -486,24 +490,24 @@ WEBP_EXTERN int WebPPictureImportBGRX(
// 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 = WEBP_YUV420*/);
WEBP_NODISCARD WEBP_EXTERN int WebPPictureARGBToYUVA(
WebPPicture* picture, WebPEncCSP /*colorspace = WEBP_YUV420*/);
// Same as WebPPictureARGBToYUVA(), but the conversion is done using
// pseudo-random dithering with a strength 'dithering' between
// 0.0 (no dithering) and 1.0 (maximum dithering). This is useful
// for photographic picture.
WEBP_EXTERN int WebPPictureARGBToYUVADithered(
WEBP_NODISCARD WEBP_EXTERN int WebPPictureARGBToYUVADithered(
WebPPicture* picture, WebPEncCSP colorspace, float dithering);
// Performs 'sharp' RGBA->YUVA420 downsampling and colorspace conversion.
// Performs 'sharp' RGBA->YUVA420 downsampling and colorspace conversion
// Downsampling is handled with extra care in case of color clipping. This
// method is roughly 2x slower than WebPPictureARGBToYUVA() but produces better
// and sharper YUV representation.
// Returns false in case of error.
WEBP_EXTERN int WebPPictureSharpARGBToYUVA(WebPPicture* picture);
WEBP_NODISCARD WEBP_EXTERN int WebPPictureSharpARGBToYUVA(WebPPicture* picture);
// kept for backward compatibility:
WEBP_EXTERN int WebPPictureSmartARGBToYUVA(WebPPicture* picture);
WEBP_NODISCARD WEBP_EXTERN int WebPPictureSmartARGBToYUVA(WebPPicture* picture);
// Converts picture->yuv to picture->argb and sets picture->use_argb to true.
// The input format must be YUV_420 or YUV_420A. The conversion from YUV420 to
@ -511,7 +515,7 @@ WEBP_EXTERN int WebPPictureSmartARGBToYUVA(WebPPicture* picture);
// Note that the use of this colorspace is discouraged if one has access to the
// raw ARGB samples, since using YUV420 is comparatively lossy.
// Returns false in case of error.
WEBP_EXTERN int WebPPictureYUVAToARGB(WebPPicture* picture);
WEBP_NODISCARD WEBP_EXTERN int WebPPictureYUVAToARGB(WebPPicture* picture);
// Helper function: given a width x height plane of RGBA or YUV(A) samples
// clean-up or smoothen the YUV or RGB samples under fully transparent area,
@ -541,7 +545,8 @@ WEBP_EXTERN void WebPBlendAlpha(WebPPicture* picture, uint32_t background_rgb);
// 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);
WEBP_NODISCARD WEBP_EXTERN int WebPEncode(const WebPConfig* config,
WebPPicture* picture);
//------------------------------------------------------------------------------

91
deps/webp/include/webp/mux.h vendored
View file

@ -16,12 +16,13 @@
#define WEBP_WEBP_MUX_H_
#include "./mux_types.h"
#include "./types.h"
#ifdef __cplusplus
extern "C" {
#endif
#define WEBP_MUX_ABI_VERSION 0x0108 // MAJOR(8b) + MINOR(8b)
#define WEBP_MUX_ABI_VERSION 0x0109 // MAJOR(8b) + MINOR(8b)
//------------------------------------------------------------------------------
// Mux API
@ -70,7 +71,7 @@ typedef struct WebPMuxAnimParams WebPMuxAnimParams;
typedef struct WebPAnimEncoderOptions WebPAnimEncoderOptions;
// Error codes
typedef enum WebPMuxError {
typedef enum WEBP_NODISCARD WebPMuxError {
WEBP_MUX_OK = 1,
WEBP_MUX_NOT_FOUND = 0,
WEBP_MUX_INVALID_ARGUMENT = -1,
@ -104,13 +105,13 @@ WEBP_EXTERN int WebPGetMuxVersion(void);
// Life of a Mux object
// Internal, version-checked, entry point
WEBP_EXTERN WebPMux* WebPNewInternal(int);
WEBP_NODISCARD WEBP_EXTERN WebPMux* WebPNewInternal(int);
// Creates an empty mux object.
// Returns:
// A pointer to the newly created empty mux object.
// Or NULL in case of memory error.
static WEBP_INLINE WebPMux* WebPMuxNew(void) {
WEBP_NODISCARD static WEBP_INLINE WebPMux* WebPMuxNew(void) {
return WebPNewInternal(WEBP_MUX_ABI_VERSION);
}
@ -123,18 +124,21 @@ WEBP_EXTERN void WebPMuxDelete(WebPMux* mux);
// Mux creation.
// Internal, version-checked, entry point
WEBP_EXTERN WebPMux* WebPMuxCreateInternal(const WebPData*, int, int);
WEBP_NODISCARD WEBP_EXTERN WebPMux* WebPMuxCreateInternal(const WebPData*, int,
int);
// Creates a mux object from raw data given in WebP RIFF format.
// Parameters:
// bitstream - (in) the bitstream data in WebP RIFF format
// copy_data - (in) value 1 indicates given data WILL be copied to the mux
// object and value 0 indicates data will NOT be copied.
// object and value 0 indicates data will NOT be copied. If the
// data is not copied, it must exist for the lifetime of the
// mux object.
// Returns:
// A pointer to the mux object created from given data - on success.
// NULL - In case of invalid data or memory error.
static WEBP_INLINE WebPMux* WebPMuxCreate(const WebPData* bitstream,
int copy_data) {
WEBP_NODISCARD static WEBP_INLINE WebPMux* WebPMuxCreate(
const WebPData* bitstream, int copy_data) {
return WebPMuxCreateInternal(bitstream, copy_data, WEBP_MUX_ABI_VERSION);
}
@ -154,7 +158,9 @@ static WEBP_INLINE WebPMux* WebPMuxCreate(const WebPData* bitstream,
// e.g., "ICCP", "XMP ", "EXIF" etc.
// chunk_data - (in) the chunk data to be added
// copy_data - (in) value 1 indicates given data WILL be copied to the mux
// object and value 0 indicates data will NOT be copied.
// object and value 0 indicates data will NOT be copied. If the
// data is not copied, it must exist until a call to
// WebPMuxAssemble() is made.
// Returns:
// WEBP_MUX_INVALID_ARGUMENT - if mux, fourcc or chunk_data is NULL
// or if fourcc corresponds to an image chunk.
@ -217,7 +223,9 @@ struct WebPMuxFrameInfo {
// bitstream - (in) can be a raw VP8/VP8L bitstream or a single-image
// WebP file (non-animated)
// copy_data - (in) value 1 indicates given data WILL be copied to the mux
// object and value 0 indicates data will NOT be copied.
// object and value 0 indicates data will NOT be copied. If the
// data is not copied, it must exist until a call to
// WebPMuxAssemble() is made.
// Returns:
// WEBP_MUX_INVALID_ARGUMENT - if mux is NULL or bitstream is NULL.
// WEBP_MUX_MEMORY_ERROR - on memory allocation error.
@ -235,7 +243,9 @@ WEBP_EXTERN WebPMuxError WebPMuxSetImage(
// mux - (in/out) object to which the frame is to be added
// frame - (in) frame data.
// copy_data - (in) value 1 indicates given data WILL be copied to the mux
// object and value 0 indicates data will NOT be copied.
// object and value 0 indicates data will NOT be copied. If the
// data is not copied, it must exist until a call to
// WebPMuxAssemble() is made.
// Returns:
// WEBP_MUX_INVALID_ARGUMENT - if mux or frame is NULL
// or if content of 'frame' is invalid.
@ -449,7 +459,7 @@ WEBP_EXTERN int WebPAnimEncoderOptionsInitInternal(
// structure before modification. Returns false in case of version mismatch.
// WebPAnimEncoderOptionsInit() must have succeeded before using the
// 'enc_options' object.
static WEBP_INLINE int WebPAnimEncoderOptionsInit(
WEBP_NODISCARD static WEBP_INLINE int WebPAnimEncoderOptionsInit(
WebPAnimEncoderOptions* enc_options) {
return WebPAnimEncoderOptionsInitInternal(enc_options, WEBP_MUX_ABI_VERSION);
}
@ -490,7 +500,7 @@ static WEBP_INLINE WebPAnimEncoder* WebPAnimEncoderNew(
// Returns:
// On error, returns false and frame->error_code is set appropriately.
// Otherwise, returns true.
WEBP_EXTERN int WebPAnimEncoderAdd(
WEBP_NODISCARD WEBP_EXTERN int WebPAnimEncoderAdd(
WebPAnimEncoder* enc, struct WebPPicture* frame, int timestamp_ms,
const struct WebPConfig* config);
@ -503,8 +513,8 @@ WEBP_EXTERN int WebPAnimEncoderAdd(
// webp_data - (out) generated WebP bitstream.
// Returns:
// True on success.
WEBP_EXTERN int WebPAnimEncoderAssemble(WebPAnimEncoder* enc,
WebPData* webp_data);
WEBP_NODISCARD WEBP_EXTERN int WebPAnimEncoderAssemble(WebPAnimEncoder* enc,
WebPData* webp_data);
// Get error string corresponding to the most recent call using 'enc'. The
// returned string is owned by 'enc' and is valid only until the next call to
@ -521,6 +531,57 @@ WEBP_EXTERN const char* WebPAnimEncoderGetError(WebPAnimEncoder* enc);
// enc - (in/out) object to be deleted
WEBP_EXTERN void WebPAnimEncoderDelete(WebPAnimEncoder* enc);
//------------------------------------------------------------------------------
// Non-image chunks.
// Note: Only non-image related chunks should be managed through chunk APIs.
// (Image related chunks are: "ANMF", "VP8 ", "VP8L" and "ALPH").
// Adds a chunk with id 'fourcc' and data 'chunk_data' in the enc object.
// Any existing chunk(s) with the same id will be removed.
// Parameters:
// enc - (in/out) object to which the chunk is to be added
// fourcc - (in) a character array containing the fourcc of the given chunk;
// e.g., "ICCP", "XMP ", "EXIF", etc.
// chunk_data - (in) the chunk data to be added
// copy_data - (in) value 1 indicates given data WILL be copied to the enc
// object and value 0 indicates data will NOT be copied. If the
// data is not copied, it must exist until a call to
// WebPAnimEncoderAssemble() is made.
// Returns:
// WEBP_MUX_INVALID_ARGUMENT - if enc, fourcc or chunk_data is NULL.
// WEBP_MUX_MEMORY_ERROR - on memory allocation error.
// WEBP_MUX_OK - on success.
WEBP_EXTERN WebPMuxError WebPAnimEncoderSetChunk(
WebPAnimEncoder* enc, const char fourcc[4], const WebPData* chunk_data,
int copy_data);
// Gets a reference to the data of the chunk with id 'fourcc' in the enc object.
// The caller should NOT free the returned data.
// Parameters:
// enc - (in) object from which the chunk data is to be fetched
// fourcc - (in) a character array containing the fourcc of the chunk;
// e.g., "ICCP", "XMP ", "EXIF", etc.
// chunk_data - (out) returned chunk data
// Returns:
// WEBP_MUX_INVALID_ARGUMENT - if enc, fourcc or chunk_data is NULL.
// WEBP_MUX_NOT_FOUND - If enc does not contain a chunk with the given id.
// WEBP_MUX_OK - on success.
WEBP_EXTERN WebPMuxError WebPAnimEncoderGetChunk(
const WebPAnimEncoder* enc, const char fourcc[4], WebPData* chunk_data);
// Deletes the chunk with the given 'fourcc' from the enc object.
// Parameters:
// enc - (in/out) object from which the chunk is to be deleted
// fourcc - (in) a character array containing the fourcc of the chunk;
// e.g., "ICCP", "XMP ", "EXIF", etc.
// Returns:
// WEBP_MUX_INVALID_ARGUMENT - if enc or fourcc is NULL.
// WEBP_MUX_NOT_FOUND - If enc does not contain a chunk with the given fourcc.
// WEBP_MUX_OK - on success.
WEBP_EXTERN WebPMuxError WebPAnimEncoderDeleteChunk(
WebPAnimEncoder* enc, const char fourcc[4]);
//------------------------------------------------------------------------------
#ifdef __cplusplus

3
deps/webp/include/webp/mux_types.h vendored
View file

@ -79,7 +79,8 @@ static WEBP_INLINE void WebPDataClear(WebPData* webp_data) {
// Allocates necessary storage for 'dst' and copies the contents of 'src'.
// Returns true on success.
static WEBP_INLINE int WebPDataCopy(const WebPData* src, WebPData* dst) {
WEBP_NODISCARD static WEBP_INLINE int WebPDataCopy(const WebPData* src,
WebPData* dst) {
if (src == NULL || dst == NULL) return 0;
WebPDataInit(dst);
if (src->bytes != NULL && src->size != 0) {

85
deps/webp/include/webp/sharpyuv/sharpyuv.h vendored
View file

@ -22,22 +22,37 @@ extern "C" {
#else
// This explicitly marks library functions and allows for changing the
// signature for e.g., Windows DLL builds.
#if defined(__GNUC__) && __GNUC__ >= 4
#if defined(_WIN32) && defined(WEBP_DLL)
#define SHARPYUV_EXTERN __declspec(dllexport)
#elif defined(__GNUC__) && __GNUC__ >= 4
#define SHARPYUV_EXTERN extern __attribute__((visibility("default")))
#else
#if defined(_MSC_VER) && defined(WEBP_DLL)
#define SHARPYUV_EXTERN __declspec(dllexport)
#else
#define SHARPYUV_EXTERN extern
#endif /* _MSC_VER && WEBP_DLL */
#endif /* __GNUC__ >= 4 */
#endif /* defined(_WIN32) && defined(WEBP_DLL) */
#endif /* WEBP_EXTERN */
#endif /* SHARPYUV_EXTERN */
#ifndef SHARPYUV_INLINE
#ifdef WEBP_INLINE
#define SHARPYUV_INLINE WEBP_INLINE
#else
#ifndef _MSC_VER
#if defined(__cplusplus) || !defined(__STRICT_ANSI__) || \
(defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L)
#define SHARPYUV_INLINE inline
#else
#define SHARPYUV_INLINE
#endif
#else
#define SHARPYUV_INLINE __forceinline
#endif /* _MSC_VER */
#endif /* WEBP_INLINE */
#endif /* SHARPYUV_INLINE */
// SharpYUV API version following the convention from semver.org
#define SHARPYUV_VERSION_MAJOR 0
#define SHARPYUV_VERSION_MINOR 2
#define SHARPYUV_VERSION_PATCH 1
#define SHARPYUV_VERSION_MINOR 4
#define SHARPYUV_VERSION_PATCH 0
// Version as a uint32_t. The major number is the high 8 bits.
// The minor number is the middle 8 bits. The patch number is the low 16 bits.
#define SHARPYUV_MAKE_VERSION(MAJOR, MINOR, PATCH) \
@ -61,6 +76,33 @@ typedef struct {
int rgb_to_v[4];
} SharpYuvConversionMatrix;
typedef struct SharpYuvOptions SharpYuvOptions;
// Enums for transfer functions, as defined in H.273,
// https://www.itu.int/rec/T-REC-H.273-202107-I/en
typedef enum SharpYuvTransferFunctionType {
// 0 is reserved
kSharpYuvTransferFunctionBt709 = 1,
// 2 is unspecified
// 3 is reserved
kSharpYuvTransferFunctionBt470M = 4,
kSharpYuvTransferFunctionBt470Bg = 5,
kSharpYuvTransferFunctionBt601 = 6,
kSharpYuvTransferFunctionSmpte240 = 7,
kSharpYuvTransferFunctionLinear = 8,
kSharpYuvTransferFunctionLog100 = 9,
kSharpYuvTransferFunctionLog100_Sqrt10 = 10,
kSharpYuvTransferFunctionIec61966 = 11,
kSharpYuvTransferFunctionBt1361 = 12,
kSharpYuvTransferFunctionSrgb = 13,
kSharpYuvTransferFunctionBt2020_10Bit = 14,
kSharpYuvTransferFunctionBt2020_12Bit = 15,
kSharpYuvTransferFunctionSmpte2084 = 16, // PQ
kSharpYuvTransferFunctionSmpte428 = 17,
kSharpYuvTransferFunctionHlg = 18,
kSharpYuvTransferFunctionNum
} SharpYuvTransferFunctionType;
// Converts RGB to YUV420 using a downsampling algorithm that minimizes
// artefacts caused by chroma subsampling.
// This is slower than standard downsampling (averaging of 4 UV values).
@ -85,6 +127,8 @@ typedef struct {
// adjacent pixels on the y, u and v channels. If yuv_bit_depth > 8, they
// should be multiples of 2.
// width, height: width and height of the image in pixels
// This function calls SharpYuvConvertWithOptions with a default transfer
// function of kSharpYuvTransferFunctionSrgb.
SHARPYUV_EXTERN int SharpYuvConvert(const void* r_ptr, const void* g_ptr,
const void* b_ptr, int rgb_step,
int rgb_stride, int rgb_bit_depth,
@ -93,6 +137,31 @@ SHARPYUV_EXTERN int SharpYuvConvert(const void* r_ptr, const void* g_ptr,
int yuv_bit_depth, int width, int height,
const SharpYuvConversionMatrix* yuv_matrix);
struct SharpYuvOptions {
// This matrix cannot be NULL and can be initialized by
// SharpYuvComputeConversionMatrix.
const SharpYuvConversionMatrix* yuv_matrix;
SharpYuvTransferFunctionType transfer_type;
};
// Internal, version-checked, entry point
SHARPYUV_EXTERN int SharpYuvOptionsInitInternal(const SharpYuvConversionMatrix*,
SharpYuvOptions*, int);
// Should always be called, to initialize a fresh SharpYuvOptions
// structure before modification. SharpYuvOptionsInit() must have succeeded
// before using the 'options' object.
static SHARPYUV_INLINE int SharpYuvOptionsInit(
const SharpYuvConversionMatrix* yuv_matrix, SharpYuvOptions* options) {
return SharpYuvOptionsInitInternal(yuv_matrix, options, SHARPYUV_VERSION);
}
SHARPYUV_EXTERN int SharpYuvConvertWithOptions(
const void* r_ptr, const void* g_ptr, const void* b_ptr, int rgb_step,
int rgb_stride, int rgb_bit_depth, void* y_ptr, int y_stride, void* u_ptr,
int u_stride, void* v_ptr, int v_stride, int yuv_bit_depth, int width,
int height, const SharpYuvOptions* options);
// TODO(b/194336375): Add YUV444 to YUV420 conversion. Maybe also add 422
// support (it's rarely used in practice, especially for images).

37
deps/webp/include/webp/types.h vendored
View file

@ -36,18 +36,39 @@ typedef long long int int64_t;
#define WEBP_INLINE __forceinline
#endif /* _MSC_VER */
#ifndef WEBP_NODISCARD
#if defined(WEBP_ENABLE_NODISCARD) && WEBP_ENABLE_NODISCARD
#if (defined(__cplusplus) && __cplusplus >= 201700L) || \
(defined(__STDC_VERSION__) && __STDC_VERSION__ >= 202311L)
#define WEBP_NODISCARD [[nodiscard]]
#else
// gcc's __has_attribute does not work for enums.
#if defined(__clang__) && defined(__has_attribute)
#if __has_attribute(warn_unused_result)
#define WEBP_NODISCARD __attribute__((warn_unused_result))
#else
#define WEBP_NODISCARD
#endif /* __has_attribute(warn_unused_result) */
#else
#define WEBP_NODISCARD
#endif /* defined(__clang__) && defined(__has_attribute) */
#endif /* (defined(__cplusplus) && __cplusplus >= 201700L) ||
(defined(__STDC_VERSION__) && __STDC_VERSION__ >= 202311L) */
#else
#define WEBP_NODISCARD
#endif /* defined(WEBP_ENABLE_NODISCARD) && WEBP_ENABLE_NODISCARD */
#endif /* WEBP_NODISCARD */
#ifndef WEBP_EXTERN
// This explicitly marks library functions and allows for changing the
// signature for e.g., Windows DLL builds.
# if defined(__GNUC__) && __GNUC__ >= 4
# if defined(_WIN32) && defined(WEBP_DLL)
# define WEBP_EXTERN __declspec(dllexport)
# elif defined(__GNUC__) && __GNUC__ >= 4
# define WEBP_EXTERN extern __attribute__ ((visibility ("default")))
# else
# if defined(_MSC_VER) && defined(WEBP_DLL)
# define WEBP_EXTERN __declspec(dllexport)
# else
# define WEBP_EXTERN extern
# endif
# endif /* __GNUC__ >= 4 */
# define WEBP_EXTERN extern
# endif /* defined(_WIN32) && defined(WEBP_DLL) */
#endif /* WEBP_EXTERN */
// Macro to check ABI compatibility (same major revision number)
@ -60,7 +81,7 @@ extern "C" {
// Allocates 'size' bytes of memory. Returns NULL upon error. Memory
// must be deallocated by calling WebPFree(). This function is made available
// by the core 'libwebp' library.
WEBP_EXTERN void* WebPMalloc(size_t size);
WEBP_NODISCARD WEBP_EXTERN void* WebPMalloc(size_t size);
// Releases memory returned by the WebPDecode*() functions (from decode.h).
WEBP_EXTERN void WebPFree(void* ptr);

5
deps/webp/lib/cmake/WebP/WebPConfig.cmake vendored
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@ -1,4 +1,4 @@
set(WebP_VERSION 1.3.2)
set(WebP_VERSION 1.4.0)
set(WEBP_VERSION ${WebP_VERSION})
@ -35,7 +35,8 @@ endif()
include("${CMAKE_CURRENT_LIST_DIR}/WebPTargets.cmake")
set_and_check(WebP_INCLUDE_DIR "${PACKAGE_PREFIX_DIR}/include")
set(WEBP_INCLUDE_DIRS ${WebP_INCLUDE_DIRS})
set(WebP_INCLUDE_DIRS ${WebP_INCLUDE_DIR})
set(WEBP_INCLUDE_DIRS ${WebP_INCLUDE_DIR})
set(WebP_LIBRARIES "webpdecoder;webp;webpdemux;webpmux")
set(WEBP_LIBRARIES "${WebP_LIBRARIES}")

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deps/webp/lib/cmake/WebP/WebPConfigVersion.cmake vendored
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@ -7,7 +7,7 @@
# PACKAGE_VERSION_COMPATIBLE if the current version is >= requested version.
# The variable CVF_VERSION must be set before calling configure_file().
set(PACKAGE_VERSION "1.3.2")
set(PACKAGE_VERSION "1.4.0")
if (PACKAGE_FIND_VERSION_RANGE)
# Package version must be in the requested version range

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deps/webp/lib/pkgconfig/libsharpyuv.pc vendored
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@ -5,7 +5,7 @@ includedir=${prefix}/include
Name: libsharpyuv
Description: Library for sharp RGB to YUV conversion
Version: 1.3.2
Version: 1.4.0
Cflags: -I${includedir}
Libs: -L${libdir} -lsharpyuv
Libs.private:

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deps/webp/lib/pkgconfig/libwebp.pc vendored
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@ -5,7 +5,7 @@ includedir=${prefix}/include
Name: libwebp
Description: Library for the WebP graphics format
Version: 1.3.2
Version: 1.4.0
Requires.private: libsharpyuv
Cflags: -I${includedir}
Libs: -L${libdir} -lwebp

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deps/webp/lib/pkgconfig/libwebpdecoder.pc vendored
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@ -5,7 +5,7 @@ includedir=${prefix}/include
Name: libwebpdecoder
Description: Library for the WebP graphics format (decode only)
Version: 1.3.2
Version: 1.4.0
Cflags: -I${includedir}
Libs: -L${libdir} -lwebpdecoder
Libs.private:

2
deps/webp/lib/pkgconfig/libwebpdemux.pc vendored
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@ -5,7 +5,7 @@ includedir=${prefix}/include
Name: libwebpdemux
Description: Library for parsing the WebP graphics format container
Version: 1.3.2
Version: 1.4.0
Requires.private: libwebp >= 0.2.0
Cflags: -I${includedir}
Libs: -L${libdir} -lwebpdemux

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deps/webp/lib/pkgconfig/libwebpmux.pc vendored
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@ -5,7 +5,7 @@ includedir=${prefix}/include
Name: libwebpmux
Description: Library for manipulating the WebP graphics format container
Version: 1.3.2
Version: 1.4.0
Requires.private: libwebp >= 0.2.0
Cflags: -I${includedir}
Libs: -L${libdir} -lwebpmux