webp.hpp

#ifndef LILLIPUT_WEBP_HPP
#define LILLIPUT_WEBP_HPP

#include "opencv.hpp"

#ifdef __cplusplus
extern "C" {
#endif

//----------------------
// Enums & Constants
//----------------------
enum WebpEncoderOptions {
    WEBP_METHOD = 1000,
    WEBP_FILTER_STRENGTH = 1001,
    WEBP_FILTER_TYPE = 1002,
    WEBP_AUTOFILTER = 1003,
    WEBP_PARTITIONS = 1004,
    WEBP_SEGMENTS = 1005,
    WEBP_PREPROCESSING = 1006,
    WEBP_THREAD_LEVEL = 1007,
    WEBP_PALETTE = 1008
};

//----------------------
// Type Definitions
//----------------------
typedef struct webp_decoder_struct* webp_decoder;
typedef struct webp_encoder_struct* webp_encoder;

//----------------------
// Decoder Management
//----------------------

webp_decoder webp_decoder_create(const opencv_mat buf);
int webp_decoder_get_width(const webp_decoder d);
int webp_decoder_get_height(const webp_decoder d);
int webp_decoder_get_pixel_type(const webp_decoder d);
int webp_decoder_get_num_frames(const webp_decoder d);
int webp_decoder_get_total_duration(const webp_decoder d);
int webp_decoder_get_prev_frame_delay(const webp_decoder d);
int webp_decoder_get_prev_frame_dispose(const webp_decoder d);
int webp_decoder_get_prev_frame_blend(const webp_decoder d);
int webp_decoder_get_prev_frame_x_offset(const webp_decoder d);
int webp_decoder_get_prev_frame_y_offset(const webp_decoder d);
bool webp_decoder_get_prev_frame_has_alpha(const webp_decoder d);
uint32_t webp_decoder_get_bg_color(const webp_decoder d);
uint32_t webp_decoder_get_loop_count(const webp_decoder d);
size_t webp_decoder_get_icc(const webp_decoder d, void* buf, size_t buf_len);
void webp_decoder_release(webp_decoder d);
bool webp_decoder_decode(webp_decoder d, opencv_mat mat);

//----------------------
// Encoder Management
//----------------------
webp_encoder webp_encoder_create(void* buf,
                                 size_t buf_len,
                                 const void* icc,
                                 size_t icc_len,
                                 uint32_t bgcolor,
                                 int loop_count);
size_t webp_encoder_write(webp_encoder e,
                          const opencv_mat src,
                          const int* opt,
                          size_t opt_len,
                          int delay,
                          int blend,
                          int dispose,
                          int x_offset,
                          int y_offset);
void webp_encoder_release(webp_encoder e);
size_t webp_encoder_flush(webp_encoder e);
void webp_decoder_advance_frame(webp_decoder d);
int webp_decoder_has_more_frames(webp_decoder d);

#ifdef __cplusplus
}
#endif

#endif