72     image *ctx;  member
80 extern bool image_load(const std::vector<std::string>& filename, image *ctx);
81 extern bool image_save(const std::string& filename, image *ctx);
83 extern bool image_ecc_new(const std::string& filename, image *ctx);
84 extern bool image_ecc_load(const std::string& filename, image *ctx);
85 extern bool image_ecc_save(image *ctx);
87 extern bool image_process(image_proc_func f, image *ctx);
89 extern void image_init(image *ctx);
90 extern void image_free(image *ctx);
92 inline uint8_t image_get_interleaved_byte(uint64_t i, image *ctx)  in image_get_interleaved_byte()  argument
94     uint64_t offset = fec_ecc_interleave(i, ctx->rs_n, ctx->rounds);  in image_get_interleaved_byte()
96     if (unlikely(offset >= ctx->inp_size)) {  in image_get_interleaved_byte()
100     return ctx->input[offset];  in image_get_interleaved_byte()
103 inline void image_set_interleaved_byte(uint64_t i, image *ctx,  in image_set_interleaved_byte()  argument
106     uint64_t offset = fec_ecc_interleave(i, ctx->rs_n, ctx->rounds);  in image_set_interleaved_byte()
108     if (unlikely(offset >= ctx->inp_size)) {  in image_set_interleaved_byte()
110     } else if (ctx->output && ctx->output[offset] != value) {  in image_set_interleaved_byte()
111         ctx->output[offset] = value;  in image_set_interleaved_byte()