C++ (Cpp) BrotliEncoderMaxCompressedSize Examples

Example #1

File: brotli_nif.c Project: yjh0502/erl-brotli

static ERL_NIF_TERM
brotli_encode(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[])
{
    unsigned int quality;
    ErlNifBinary data, encoded;

    if (argc != 2) {
        return (BADARG);
    }

    if (!enif_inspect_iolist_as_binary(env, argv[0], &data)) {
        return (BADARG);
    }

    if (!enif_get_uint(env, argv[1], &quality)) {
        return (BADARG);
    }

    size_t length = data.size;
    size_t output_length = BrotliEncoderMaxCompressedSize(data.size);
    uint8_t* output = malloc(output_length);
    BROTLI_BOOL ok = BrotliEncoderCompress(quality,
        BROTLI_DEFAULT_WINDOW, BROTLI_DEFAULT_MODE,
        length, data.data,
        &output_length, output);
    if(!ok) {
        free(output);
        return (BADARG);
    }
    if (!enif_alloc_binary(output_length, &encoded)) {
        free(output);
        return (BADARG);
    }

    memcpy(encoded.data, output, output_length);
    free(output);

    return enif_make_binary(env, &encoded);
}

Example #2

File: squash-brotli.c Project: Saremox/squash

static size_t
squash_brotli_get_max_compressed_size (SquashCodec* codec, size_t uncompressed_size) {
  return BrotliEncoderMaxCompressedSize(uncompressed_size);
}